HNG DN S DNG

SOLIDWORKS 2001

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Cc nguyn tc c bn ca SolidWorks SolidWorks 2001 l g?

SolidWorks 2001 l phn mm thit k c kh tng c ci tin thn thin vi giao din ngi dn g ho Microsoft Windows. Cng c d hc ny rt thch hp vi cc nh thi t k c kh, c thnhanh chng a ra nhng tng, kim nghim cc c im v kch thc, ng thi to ra cc m hnh v bn v c th. Chng ny cp n mt skhi nim v thut ng c bn sc s dngxuyn sut ng dng SolidWorks 2001.

Cc khi nhim c bnM hnh SoidWorks bao gm cc part1, assembly v drawing3. Nichung, bn thng bt u vi mtsketch , to ra mt feature c svsau thm nhiu feature khc to ra m hnh. (Bn cng c th bt u vi mt mt hoc mt khi c c nhp tng dng khc.)4 5 2

Bn c tdo hon thin thit k bng cch thm bt, thay i, hoc sp xp li cc feature. Milin hgiaccpart,assembly vdrawing m bo rngnhngthay ilmtrn m t cng nhn s tng lm thay i tt c cc cng khc. Bn c thsinh ra cc drawing hoc assembly bt clc no trong qu trnh thi t k. ng dngSolidWorkschophp bntubinccchc nng chngph hp vinhu cu s dng ca bn. Click Tools, Options trn thanh trnh n chnh hin thcc nhn kh dng System Options v Document Properties. ng dng SolidWorks thc hin sao lu cc cng vic cho bn. Tu chn auto recover s tng sao lu thng tin vti li u part, assembly, hoc drawing ang bn khng b mt document nu h thng b hng. t tu chnny,click Tools, Options.Trn nhn SystemOptions,click Backups vchn Saveautorecoverinfoevery (n) changes. Hy xc nh s ln thay i thng tin cho mi ln sao lu. Xem thm Backup Options.kch hot

Cc thut ng ny c s dng thng xuyn trong ng dng SW, thng qua cc lnh hoc thao tc, v vy, thun tin trong s dng, ti khng dch t ting Anh ra ting Vit hoc Hn-Vit. 1 Chi tit my, hoc mt vt thn.2

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Mi tr ng lp rp c c chi tit my. Bn v k thut, c th gm nhiu trang, khc vi sketch.

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Phc ho, khng phi l bn v.

C th hiu l mt lnh m hnh ha hoc mt nguyn cng ch to. 3

Cc ca s ti liuTrong ng dng SolidWorks, mi part, assembly v drawing c t trong mt tiliuv mi tiliu li c hin th trong mt ca sring. (Mt ti li u drawing c th cha nhiu trang.) Bn c th mcng mt lc nhiu ca s part, assembly v drawing. Hn na, bn cng c th c ng thi nhiu cng nhn ca cng mt ti liu.

b tr li cc c a s, bn c th ko chng bng cc thanh tiu v nh c li bng cch ko cc gc hoc khung ca s. Ttrnh n Window, bn cng c th chn Cascade, Tile Vertically, hoc TileHorizontally. sp xp li ca s SolidWorks, bn c thlm cho cc ti li u ang m thu v mt biu tng nh: click k hiu Iconize gc trn phi ca khung ti liu. Mt icon xut hin bn di ca s SolidWorks. Nu khng nhn th y icon ny, c thdo n n sau ti liu ang mkhc. nh c li cctiliu ang m, nu cn.Click Window,ArrangeIcons xpchng di y ca s SolidWorks. Click Window, Close Allng tt ccc ti liu ang m. Bn c nhc Save nhng ti li u cha lu.

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Khi qut v Bng thuc tnh PropertyManagerBngthuctnhlthit k mi caSolidWorks2001.Nhiuchc nngbygi s dng Bng thuc tnh thayv dngcc hp thoi, cho phpvng hohin thy chkhng b khutsaucc hp thoi nhcc phin b n trc.

M tBng thuc tnh c nhng mc sau: PropertyManager Title Block - cha icon ca Feature v tnFeature Cc nt OK , Cancel , Help , Keep Visible, cc ntv

.

Cc hp nhm c tiu hp nhmcc icon nhn Cc icon m hp nhm

v ng hp nhm

Cc chc nngCcchc nngtrongcc hpthoitrc yhontonc sn trong Bngthuc tnh.V d, nu bn to mt Base-Extrude,by gi bn s dng Bng thuc tnh Base-Extrudet cc tu chn m trc y bn s dng hp thoi Extrude Feature, nhType v Depth ca extrusion.

Cc lnh sau c chuyn thnh hoc cp nht vo Bng thuc tnh: Balloon Base Flange Chamfer Circular Pattern Closed Corner Curve Through Reference Points Drawing Views (all) Edge Flange Extrude Face Curves Fillet Flat Pattern Fold Linear Pattern Loft Mate Mate Reference Miter Flange Move Component Rib Revolve Sketch Driven Pattern Sketch Offset Sketch Properties (all) Sketched Bend Stacked Balloons Surface Extend Surface Trim Sweep

H thng muBn c th s dng cc mu c xc nh trc khc nhau cho Bng thuc tnh. 1.Click Tools, Options.2. Trn nhn System Options, chn Colors.

3.Click mi tn trong hp PropertyManager Skin v chn None. Lu : Skins c u tin hn h thng mu ca Bng thuc tnh. 4.Click mi tn trong hp Current Color Scheme v chn mt h thng mu t menu. 5.Click OK. Khi bn lm hin th Bng thuc tnh, h mu mi s xut hin.

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Nhp cc gi trv xc nhn hoc hu lnhKhi Bng thuc tnh hin th, bn c vi cch nh p gi trv xc nhn lnh. V d : 1.Trong Bngthuctnh Base-Extrude, di Direction 1,g30mmchiusu Depth ,nhng cha nhn Enter. Hnh preview khng thay i bi v bn cha xc nhn gi tr mi ny. 2.Nhn Enter. Hnh preview l p tc cp nht biu din Depth mi bng vic nhn Enter. 3. Tithi imny, nu bnmunhu lnh Base-Extrude vginguynchiusuban ul 20mm, hy nhn Esc. Nhng nu bn vn mun chp nhn gi tr mi; mi v bn xc nhn g i tr

4.Nhn Enter ln na. Lnh Base-Extrudec xc nhn. M hnh cp nht biu din gi tr mi v Bng thuc tnh Base-Extrudeng li.

Thanh SplitThanh split phn nh ranh gii Bng thuc tnh vi vng ho. nu bn ko thanhsplit vo ra, n s bt vo vtr c chiu rng ti u hin th Bngthuc tnh. Khi bn to ti li u mi, thanh split s m ti rng ti u ny. Bn c th ko thanh split

nh c li ca s, nu cn.

Cc Callout vo HandleCc CalloutCc Callout l nhng hp ch gii, xut hin trong

vng hokhi bndngcccng c no . Chng gip bn ddngphnbi t cc i tng khc nhau. V d, nhng callout hnh bn cho thy bin dngv ng dn casweep. Bncth konhngcalloutny t li v tr cachng, nhngkhngth thay i cc thuc tnh cacc i t ng m chng cp. Mt scallout,nhtrongccextrusion,hinth nhng hnh m b n cth sa i nh li c ca i tng. Bn c th sa i nhng hnh ny bng cch g vo Bng thuc tnh; callout v hnh preview s cp nht biu din hnh dng mi.

Cc HandleCho php bn click, di chuyn v t cc tham s

trngthi ngngaytrongvng ho.Cc handle kch hot c mu sng, khng kch hot cmu xm.

Cc thanh cng cCc nttrn thanhcng c l phm t t ca nhng lnh thngdng. Bn c th tu bin s hin th cc

thanh cng csao cho ph hp vi bn.

thay i cc nt trn tng thanh cng c, xem Customize Commands. hin th hoc n cc thanh cng c: 1.Click View, Toolbars, hoc right-click khung ca s SolidWorks. Mt danh mc cc thanh cng c hin th. Cc thanh cng c c du kim bn cnh l ang hin th; nhng thanh cng ckhng c kim b du i.2.Click tn thanh cng c tt bt s hin th ca n.

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- hoc 1.Click Tools, Customize. Mtdanh mccc thanhcng chinthtrnnhn Toolbars ca hp thoi Customize. 2.Chn hp kim cnh nhng thanh cng c bn mun hin th; hukim nhng thanh cng c bn khng mun hin th. 3. Bn cng c th chn t nhng option sau: change the size of the toolbar buttons (i cnt cng c) hide or show the tooltips (n hoc hin thdng nhc lnh) select the automatic activation ofsketch toolbars (tkch hot cc thanh cng c sketch).Xem thm Customize Toolbars.

4.Click OK lu cc la chn ca bn; click Reset tr li nhng thit lp ban u. Sp xp cc thanh cng c :Clickvogi accntc ng c vko. N u bnko mtthanhcng c n mtgc c a ca s SolidWorks, thanh cng c ny s tng c neo vo mt cnh .

Nu bn ko mt thanh cng c ra khi mt cnh ca ca s, n s trthnh mt palette tri ni.

Ko v thPhn mmSolidWorks h tr mt sthaotcko v thcc feature. Reorderingfeatures. Bncththay ith t toccfeature bngcchkochngtrongCy thit k. t con trtrn tn mt feature, nhn nt trichutvko n vtr mitrongdanh mc. (Trong khi bn ko trong Cy thit k, tng mc s phtsngkhi b nkoqua.Tn cafeature bn angdichuyn sc t di mchin ang pht sng n u bn thnt chut tri ra.) Nu thao tcdi chuyn l hp l,con trchnh ; nu khng hp l, con trc hnh . Feature Cut-Extrude c to trc feature Shell.

Trong Cy thi t k,

biu tng ca feature Shell c ko ln trn Cut-Extrude.

Di chuyn mt feature n v tr mi trn m hnh:

Trong khi giShift, ko feature ny n mt vtr khc. Nhnt chut thfeature ny trn mt b mt phng ca m hnh. di chuyn nhiu feature mt ln, giCtrl trong khi chn cc feature ri nhn Shifttrong khi ko chng.

To mt copy ca feature: t con trtrn mt b mt phng trn feature vgiCtrl trong khi ko. Th feature copy ln mt b mt phng khc ca m hnh. Copy mt feature t mt part n part khc: B tr li cc ca s, giShift, ch ln mt b mt phng ca feature ri ko v th vo ca skhc. - hoc - Bn cng c thdng c c cng cCopy v Paste trn thanh cng c Standard.

Trnh n tt7

Bn truy cp c rt nhiu lnh v c ng c ttrnh n tt khi lm vi c vi mt sketch, mt m hnh, mt assembly, hoc mt drawing. Khi bn di chuyn con trtrn m hnh, trn cc mc trong Cy thi t k hoc trn cc khung ca s SolidWorks, thao tc right-click sl m xu t hin mt trnh n tt gm cc lnh thch hp vi ni bn click. Trnh n tt em li mt cch thc hiu qu bn lm vi c lin t c m khng c n di chuyn con trn cc trnh n chnh hoc cc thanh cng c. V d, s dng trnh n tt, bn c th: Chn mt cng ckhng cn di chuyn con trn thanh cng c M v ng mt sketch Thay i hoc xem cc thuc tnh ca mt mc i tn m t feature hoc ly kch thc bng hp thoi Properties nhochinth mtsketch, mtphng, ng tmhocthnhphn ca assembly bngcch right-click mt mc trong Cy thi t k. M mt assembly component sa i Truy cp cc cng c kch th c v ch gii trong mt drawing Truy cp danh mc cc cng c khi click trn khung ca s SolidWorks

Xc nhn cc FeatureBn c mt scch thc hiu quxc nh n cc feature bn to. Sau khi tohnh xem trc ca mt feature, bn c th lm nh sau: Right-click v chn OK hoc Cancel ttrnh n tt. Right-click khi con trc hnh gi tr ny.Gc xc nhn Cch khc xc nhn cc feature l d ng Gc xc nhn. Bn c th lm nh

chp nhnhnh preview hoc click khng chp nhn cc

sau:Clic kcckhi u OK hoc Cancel tronggcvng ho ca SolidWorks.

Khi angtrongkiusketch,clickkhiu ExitSketch trong Gcxc nhn kt thc sketch. Lu : tt Gc xc nhn, click Tools, Options. Click General trn nhn System Options v click hu kim Enable Confirmation Corner.

Thanh Rollbacka m hnh tr li trng thi trc y, chn cc feature mi c a vo. Bn c th thm cc feature mi hoc sa i cc feature c sn trong khi m hn h trng thi rollback. Bnc tha mt part quay tr li bng Rollback Bar trongCy thi t k. Thanh rollback l mt ng m mu vng, s trthnh mu xanh m khi c chn. Ko thanh ny ln xu ng trn Cy thit k tin li chui nguyn cng ch to. a mt part quay v trng thi trc y: 1. t con tr trn thanh rollback trong Cy thit k. Con trc hnh bn tay .

2.Click chn thanh rollback. Thanh ny chuyn mu tvng thnh blue.3. Ko thanh rollback ln pha trn Cy thi t k cho n khi n trn (cc) feature bn mun rollback,

- hoc - Click trong Cy thit kv dng cc phm m i tn ln xung trn bn phm di chuyn thanh rollback. Mo:chophp s dngccphm mitnny,click Tools, Options vtrnnhn System Options, chn FeatureManager.Kim Arrow key navigation. 4. 8 tr li trng thi cui, ko thanh rollback xung y Cy thit k.

Lu : Cc icon xm c a Cy thit kkhng kh dng khi chng b rollback.

Tr gipNu c nhng vn khi s dng SolidWorks 2001, bn c th tm thy cc cu tr li bng mt scch: Trgip tr c tuyn SolidWorks cung cp cc h tr trong khi bn ang lm vi c. Click Helptrn thanhcng c Standard, hoc Help, SolidWorks 2001 Help Topics trn trnh

nchnh, truy cp h thng Trgip trc tuyn. H thngTrgip trc tuynny c mt t in k thut vi nhiu t mc gip ngi mi dng, nh ngi dng 2D chuyn sang dng 3D. c gip v mt hp thoi c thang kch hot, click nt Help trong hp thoi hoc nhn F1. Click What'sThistrnthanhcng c Standard, ri clickCythi t k, Bngthuctnhhoc

thanh cng cc ch dn v nhng mc . Online Tutorial (Gio trnh trc tuyn) c bn b i h c.Ncung cp mtcch thc trc tuyn n cun Getting Started (Vlng) v gip nh ng ngi mi dng xy d ng m hnh nhanh hn. Click Help, Online Tutorial truy cp Gio trnh trc tuyn ny.

Design Portfolio (H s thit k) c ba chi tit my v dgip b n hiu r cch th c phi hp cc cng ckhcnhau caSolidWorks nh thno p ng ccyu c uthit k ca bn.Click Help, Design Portfolio truy cp Design Portfolio. Vi cc m o nh, click Help, Tip of the Day. xem mt mo mi khi khi SolidWorks 2001, click Show Tips at Startup trong hp thoi Tip of the Day.Cc Tooltip c hi u lc cung cp thng tin vcc c ng c trncc thanh cng c hoc nhng

hp thoi. Khi bn gi con trtrn mt cng c ch clt, mt ch gii sxut hin hin th tn ca cng c ny. Khi bn di chuyn con trtrn mtcng c hoc click mt mc menu, Thanh trng thi di y ca s SolidWorks s hin th mt m t vn tt v chc nng ca cng c hoc mc menu ny.Gio trnh SolidWorks 2001Getting Started nhiu thng tin c bn v vic s dng SolidWorks toccpart,assemblyvdrawing. SolidWorks2001GettingStarted chiu lcnh mt tptin Adobe Acrobat nu bn c ci t gio trnh ny trong khi c i tphn mmSolidWorks. Click Help trn thanh cng ctrnh n chnh v tm Manua ls trn .

Trgip tr c tuyn cng c hiu lc ttrnh n Help trn thanh cng cchnh c a cc ng dng Add-in nh PhotoWorksTM, SolidWorks AnimatorTM, FeatureWorksTM, ...Thng tin thm v phn mm SolidWorks 2001, click Help, About SolidWorks 2001.Nhng thng

tin v ccng dng Add-in m bn a vo, click Help, About (tn ng dng). c thng tin tSolidWorks Web site, chn Help, About SolidWorks 2001 v click Connect.

What's Wrong? (Li g?)Cho php bn xem cc li ti lp bt k ca part hoc assembly. Mi tn xung

part hoc assembly v tn ca feature c li. Du chm than Cc li ti lp thng l:Cc kch th c

xut hin cnh tn c a ch th mc gy ra li ny.

Right-click tn ca sketch, feature, part, hoc assembly v chn Whats Wrong hin th li.

hoc tng quan l lng cc kch th c hoc tng quan n mt i tng khng cn tn ti

Cc features khng th dng li c, nh l mt gc l n qu ln

Nu mt thng ip bo li c ti n t **, bnc thclick ln thng ip bo li ny vvng c vn spht sng trn m hnh.

Bn c th tt tnh nng tng hin th li bng cch hu kim Display Errors at Every Rebuild. Lu : Hp kim Display Errors at Every Rebuild chc tc ng n mc hin thi. Kim hp Display Full message nu bn mun hin thton bthng ipkhi c li. Nukhng,ch c thng tin vn tt c hin th. (Mc nh l Display Full message.) Hp thoi Rebuild Errors s hin th khi li ny pht sinh ln u tin, hoc bn c th hin th hp thoi vo bt clc no bng cch right-click trn part trong Cy thi t k. 9

Cc phm ttCc phm t t chiu

lc i vi mi mc trnh n. Hy xem cc k t c gch di trn thanh trnh n chnh. Nhn phm Alt v k t c gch chn hin thtrnh n. V d, nhn Alt+F mtrnh n File. Cngth,hyxemc ck t c gchchn ca tng mctrong trnh n. Khi trnh n tri xung, nhn mt k t c gch chn kch hot lnh tng ng. V d, nhn Alt+F mtrnh n File, ri nhn Cng tp tin. Mt s lnh cng c cc phm tt hin thtrn trnh n cnh lnh ny. V d, t h p ph m Ctrl+N s m mt tp tin mi.

Bng di y lit k cc phm t t mc nh quay mt cng nhn m hnh: Hot ngQuay m hnh:

T hp phm

quay ng hoc ngang quay ng hoc ngang 90o

cc phm mi tn

Shift + cc phm mi tn Alt + cc phm mi tn tri hoc phi Ctrl + cc phm mi tn Z z Ctrl+B Ctrl+R

xoay theo hoc ngc chiu kim ng h Cun m hnh Zoom in Zoom out Dng li m hnh Lm ti mn hnh

Chuyn sang cc ti liu SolidWorks ang m khc Ctrl+Tab

Ngoi ra, bn c th tu bin cc phm tt cho ph hp vi thi quen ca bn.

Lu : Hp thoi Display Errors at Every Rebuild ch tc ng ti mc hin thi.

Cy thit kKhi nimCythit k nmbntri c a sSolidWorkscung cp mtcinhn t ngqut vpart,assembly,hoc

drawing ang kch hot. N cho ta ddng thy c cu trc c a m hnh hoc gim st cc c ng nhn khc nhau trong mt drawing.Cythit kv ca shoclin kt ng vinhau. Bncthchn mtfeature,sketch,hnh

drawing v ng cu trc trong chai ca s.

Bnc thchia Cy thit k v hin th chai Cy thit k hoc kt hp Cy thi t k vi Bng thuc tnh. Xem thm Split Panel Display.Cy thit k to thun li :

Chn cc mc trong m hnh theo tn. Phn bit v thay i trnh t t o cc feature. Bn c th ko v th cc mc trong Cy thit k t li trnh t ca chng. Nhng thay i ny s c ti to khi m hnh c ti lp. Hin thcc kch thc mt feature bng cch double-click tn feature . i tn cc m c bng cch click chm hai ln ln tn v g m t tn mi. 10

Chn v hu chn ccfeature ca m hnh. Xem cc quan h cha/con bng cch right-click mt feature trong dang mc ri chn Parent/Child.Cy thit k c nhng th mc v cng c sau:

Dng rollback bar tm thi a m hnh v trng thi sm hn. Thm mt phng trnh mi, sa hoc xo mt phng trnh c sn bng cch right-click th mc Equations vch n thaotc bnmun. (Th mc Equations xuthinkhi bn aphng trnh u tin vo ti li u m hnh.) Xem Equations. Kimsot shin thcckchthc vghich bngcchright-clickth mc Annotations Xem Annotations Overview. Thm hoc sa i cc ngun sng trong th mc Lighting .

. Xem Lighting Overview.

Di chuyn gia Cy thi t k, Bng thuc tnh, Bng cuhnhv cc bng Add-In bng cch chncc nhn di y pane bn tri

.

Cc quy c trong Cy thit kMt du hiu bntri bi u tng ca cc mc ch th rng n c ch a cc mc lin quan, nh ccsketch.Click tri rng mc ny v hin th ni dung can. thu gn tt c cc mc, right-click tn ca ti liu trn nh c y v chn Collapse Items.Cc sketch trong Cy thi t k c tin t(+) nu ch ng s iu tnh; () nu chng cha xc nh; (?) nu chng khng th gii. ( Khng c ti n t ngh a l sketch hon ton xc nh.) Cc Feature c tin t

s cn c ti lp nu c mt thay i ca part.

Cc thnh phn ca Assembly trong Cy thit k c tin t(+) nu chng si u nh v; () nu v tr ca chng cha xc nh; (?) nu v tr ca chng khng gii c; (f) nu v tr ca chng c c nh (bkho trong khng gian). Cc cng ch ca t hp c tin t(+) nuchnglinquan ncc thnhphn bsiu nh v trong t hp; (?) nu khng gii c. Trong mt t hp, sau mi copy ca thnh phn u c mt con s trong du ngoc nhn , vn tng ln theo s lt copy. Trng thi c a cc tham chiu ngoi hi n thtrong Cy thi t k, nh sau: o o o o Nu mt part hoc feature c mt tham chiu ngoi, sau tn ca n l >. Sau tn ca feature bt kc tham chiu ngoi cng c du >. Nu mt tham chiu ngoi hi n thi ngoi ng cnh, sau tn feature v part c du ->? Hu t->* ngha l tham chiu ny bkho. Hu t->x ngh a l tham chi u ny b ph.

Hin th Panel tchBn c th hin th mt panel btch ngay st vng ho, thng l Cy thi t k. Hin thtch khng gii hn s lng Cy thit k. Bn c th chn nhng kiu phi hp cc mc sau: Cy thit k Bng thuc tnh Bng cu hnh Cc ng dng thba c s dng panel Tu chn ny kh dng trong c ca sn v cc ca s kt hp. Khng cn m ca s mi, bn c th hin thcng mt part, assembly hoc drawing, vi kiu kt hp bt kcc panel. Vi mt thit k phc tp, v d, bn c th: Hin thcc phn khc nhau ca part, drawing, hoc assembly, tri rng hoc thu gn Xem cc chi ti t khc nhau c a cc cu hnh C cc la chn khc nhau t mi panelTch Cy thi t k:

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1.2.

t con tr trn nh Cy thit kn khi n i thnh

.

Ko thanh ny xung di mc cui cng trong Cy thit k.

3.

Th chut ra hin thCy thit k th hai di cy u tin. Mi copy ca Cy thit ku hin th mt nhm nhn.

4.

Chn cc nhn ph hp vi nhng panel bn mun hin th: Bng thuc tnh, Bng cu hnh, Cy thit k, hoc mt ng dng th ba.

ng Cy thit ktch: 1.2.

t con tr di y Cy thi t k th hai n khi n i thnhKo thanh ny n nh Cy thi t k gc.

.

3.

Th chut ng Cy thi t k th hai.

Cy thit k bay raChc nngcy thi t kbayrachophp bnnhnCy thit kv Bng thuctnh ng thi. kch hot Cy thit kbayra, click tiu Bngthuc tnhhocnhn Cy thit k. Click ra ch bt kn Cy thi t k bay ra. Bng thuc tnh (tri) v Cy thit k (phi).

Cc tu chn Cy thit kCho php bn t cc tu chn mc nh lin quan nCy thit k:

1.Click Tools, Options.2. Trn nhn System Options, click

FeatureManager.

3. Thay i options theo nhu cu v click OK.Cc tu chn Cy thit k: Scrollselecteditemintoview. Xc nhrng Cy thit k tng cun hin th biu tng featurelinquan nnhng i tng c ch n trong vng ho. Nu bnc mtparthocassembly rtphc tp, bn c th tt tu chn ny. Sau , khi b n mun Cy thit k cun n mt feature, bn c thright-clickfeaturenyvch n GoTo Feature (in Tree). Name feature on creation. Khi bn to mt feature mi, tn feature ny trong Cy thit k tng c chn v sn sng bn nhp mt tn bn mun. Arrow key navigation. Chophp bn s dng cc phm mi tn di chuyntrong Cy thit k, ng thi tri rng hoc thu gn ni dung ca n, nh sau: oMi tn ln - Cun ln oMi tn xung - Cun xung oMi tn tri ti nh Cy thit k- Thu gn oMi tn phi ti nh Cy thit k- Tri rng oMi tn tri ti mt mc trn cy Thu gn mc ny oMi tn phi ti mt mc trn cy - Tri rng mc ny n u n ang thu gn oSpace Bar - Chn mc ang pht sng 12

Dynamichighlight. Xc nh rnghnh dngtrongvng ho(cc c nh, b mt, mtphng, ng tm ) spht sng khi con tr lt qua cc mc trong Cy thi t k.

La chn tCy thit kC mt scch chn cc i tng trc tip tCy thi t k. Bn c th chn nhiu i tng lin t c trong Cy thi t k bng cch giShift trong khi chn. Click i tng th nht, giShift v click i tng cui cng. Bn c th chn nhiu i tng trongvng ho hoc cc i tngkhng lin tctrongCy thit k bng cch giCtrl trong khi chn. Bn c th chncc feature,sketch,plane,v ng tmtrong mhnh bng c ch clickcc tn chng trong Cy thi t k. Bn c th tm kim theok t ca Cy thit k bng cch right-click tn ca part, assembly, hoc drawing v chn Go To.

Tm kim trong Cy thit k.1. Right-click tn ca part, assembly, hoc drawing ti nh Cy thit k v chn Go To. - hoc -Right-click tn ca part, feature, sketch, hoc assembly trong Cy thit k v chn Go To. 2. 3. 4. Nhp tn i tng (hoc mt part ca tn ny) vo hp Find What. Click Find Next. Tip tc click Find Next n khi tn ca mc bn tm c cun n. Theo mc nh, Cy thi t k tm tnh xung. Nu bn mun i hng tm, hu kim Start from the top.

Mti liu trong SolidWorksTi liu SolidWorks miCc ti li u mi s dng cc template (mu) lm c s cho nh dng v cc thuc tnh. Cc mu bao gm

ccc tham s do ng i dng xc nh, nh cc n vo hoc cc tiu chun c thkhc. Cc mu cho php bn ginguyn nhiu kiu ti li u khc nhau cho cc part, drawing, hoc assembly theo yu cu. Mt template c th l mt part, drawing, hoc assembly m bn lu nh mt mu. Xem Cc mu ti liu. To mt ti liu SolidWorks mi: 1.Click New trn thanh cng cStandard, click File, New, hoc click New Document trn hp thoi Welcome to SolidWorks. 2.Chn mtbiu tng mu t mttrongccnhn ca hpthoi. Mtpreview ca muxuthin trong hp Preview. Mo: Bn c th bsung cc nhn c a mnh lu gi cc mu. 3. Nu bnchn mt mudrawing, hpkim CreateRapidDraftDrawing xuthin.Xemthm RapidDraft Drawings.

4.Click OK m mt ti liu SolidWorks mi bng mu c chn. Cc tu chn View ca ti liu mi Bnc thch ncchhi nththngtinxuthintrong ca schnh ca hpthoi NewSolidWorks Document. Chn Large Icons Chn List hin th cc mc bng cc bi u tng ln.

hin th cc mc bng cc biu tng nh. hin ththng tin v mi mc trong ca s, gm c cc ct cho c tp tin

Chn List Detailsv ngy sa i.

Mti liu c snLnh Open m mt ti liu part, drawing, hoc assembly c sn. N cng c dng nhp c c tp tin t nhng ng dng khc. 13

1.Click Open trn thanh cng c Standard, click File, Open, hoc nhn Ctrl+O. 2.Trong hp thoi Open, tm n ti li u part, drawing, hoc assembly, hay tp tin tng dng khc m bn mun m. 3.Kim Open as read-only nu bn khng mun lu nhng thay i. iu ny cho php ng i dng khc truy cp c ti liu trong khi bn ang m n. 4.Kim Preview nu bn mun xem cc ti liu SolidW orks m khng cn mchng. 5.Kim Configure m cu hnh xc nh ca mt part hoc assembly. 6.Kim View-Only mti liu part ch xem. Nu ang trong mt ti liu part hoc assembly, bn c th chuyn sang edit bng cch right-click trong vng ho v chn Edit. 7. Nu bn m mt ti liu assembly hoc drawing, bn c th click References xem danh mc cc ti liu ca part v/hoc assembly c tham chiu bi ti liu c chn hin thi. Bn c th sa i vtr cc tp tin trong danh mc. Nu ang m mt ti liu assembly, kim Lightweight mti li u bng cc part ti nh. Nu ang m mt RapidDraft drawing, kim Load Model ti m hnh.

8. 9.

10.Click Open mti liu. Nu bn m nhiu ti liu SolidWorks, bn c th nhn Ctrl+Tabxoay vng gi a chng.

Chn laPht sngCc mc bn chn c pht sng bng nt li n. t mu cho cc mc pht sng: 1.Click Tools, Options, SystemOptions, Colors. 2.Trongdanh mc SystemColors,chn Selected Item 1, ri click Edit. 3.Trong hp Color, tmuthch hp, ri click OK. 4.Click OK ln na kch hot thit lp mu mi. Lu : Mu pht sng mc nh l xanh l cy. Cc cnh cacc b mt bn chn pht sng nt lin mnh. Cc cnh bn chnphtsng nt lin m

Pht sng b mt trong ki u hnh ShadedTrong hnh Shaded

, bn c th kim sot mu pht sng c a b mt m bn chn.

1.Click Tools, Options, System Options, Colors. 2.Trong danh mc System Colors, chn Selected Faces, Shaded, ri click Edit. 3.Trong hp thoi Color, t mu thch hp, ri click OK. 4.Click OK ln na kch hot mu mi thit lp. tttuchnny,click Tools, Options, SystemOptions, General vhukim Useshadedface highlighting. Cc b mt c chn trong hnh Shaded Hidden Lines Removed , Hidden in Gray spht sng b ngnt lin mnh nhtrong .

, hoc Wireframe

Pht sng ngKhi bn di chuyn con trtrn cc c nh hoc b mt, chng pht s ng nh trong chc nng pht sng khi la chn. Chc nng pht sng ny hot ng nh vy khi: Bnchophp FastHLR/HLG hoc Wireframe 14vdng HiddenLinesRemoved

, HiddeninGray

,

S dng Shaded Vi tt ccc drawin g v cc tr ng hp khc khi khng cho php Fast HLR/HLG ng nh nt o mnh v b mt pht sng ng nh nt t mnh. Lu :Phtsng ng c bttheo mc nh. ttphtsng ng,click Tools, Options, System Options, Edge Display/Selection v hu kim Dynamic highlight from graphics view. t mu pht sng ng: 1.Click Tools, Options, System Options, Colors. 2.Trong danh mc System Colors, chn Dynamic Highlight, ri click Edit. 3.Trong hp thoi Color, t mu thch hp ri click OK. 4.Click OK ln na kch hot mu mi thit lp. Lu : Mu pht sng ng mc nh l ., cc c nh pht sng

Chn laLnh Selectchophp bn chn cc i tng sketch khi ang lm vi c trong mt sketch. Trong mt

sketch hoc ti li u drawing, dng Select: chn cc i tng sketch ko cc i tng sketch hoc cc im mt ti nh hnh sketch chn mt cnh hoc b mt ca m hnh ko mt hp chn bao quanh nhiu i tng sketch chn mt kch thc ko n v tr mi double-click mt kch thc sa Chn cc i tng: 1.Click Select or Tools, Sketch Tools, Select.

2.Click i tng bn mun chn. Chn nhiu i tng: GiCtrl trong khi click cc i tng bn mun chn. - hoc - Nu mt hp thoi ang kch hot, bn c th clickvo hp chn trc khi chncc i tng. Trong trng hp ny, b n khng phi giCtrl. Chn kiu hp: Trong mtsketchhocdrawing, bnc thko mthnhchnht bao quanh cc i tng bnmun chn. Tt c cc i tng hon ton nm trong hp ny u c chn. Lu rngcc i tngny thay i mu khi con tr lt trn chng. Sphtsng ngny gip bnxc nh ccc i tng c chn.

15

Chn theo ng vng kn1.Click ln mt b mt. Khi bn chn mt b mt, tt c cc

ng vng kn trn b mt u c chn.

2.GiCtrl v chn ng vng bn mun.

3.Click4.

hoc Insert, Features, Fillet/Round.

Xc nh Radius cho fillet v click OK.

Select OtherChn cc i tng khut. 1. t con tr ln i tng bn mun chn v right-click. .

2.Click Select Other. Con tri thnh

3.Click nt chut phi ln lt qua cc i tng nm di con tr ni bn click. Click nt tri chut

khi i tng thch hp pht s ng.

B lcLm cho ddng chn cc i tng c bit, bn c tht kiu i tng bn mun chn: cc b mt,

cnh, nh, hnh dng tham chiu, i tng sketch hoc cc kchthc v ghi ch. Vi thit lp lc ny, cc kiu i tng bn xc nh sc nhn bit khi con tr lt trn chng, to thun li cho vic ch chn nhng i tng ny. tt bt hin th thanh Selection Filter, clicktrn thanh cng c Standard hoc nhn F5.

Ba nt u tin trn thanh cng c Selection Filtercho php bn xc nh cch thc hot ng ca Selection Filter: Tt bt tt c cc b lc. Bn cng c th nhn F6.Xo tt c cc b lc.

Chn tt c cc b lc.Cc nt cn li trn thanh cng cSelection Filter l cc b lc. Chn cc b lc ph hp vi nhng

i tng bn mun chn trong vng ho.

NOTE: Bn c th tu bin thanh cng c Selection Filter bng cch b bt hoc i chcc nt. nhc bn, trong khi mt Selection Filterang kch hot, con trc hnh .

Select Open Loop / Select Open TangencySelect Open Loop v Select Open Tangency l nhng tu chn trn trnh n tt. Chng chophp bn truyn mt la chn dc theocc c nh ca mt b mt m hnh ni c ch hng theo mt bn ca cnh c chn. V d nh mt b mt ca m hnh c l. Nhng tu chn ny thng c dng cho cc lnh loft, sweep, fill, v extend surface v chng cho php bn ddng chn la v s dng cc profile m.

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Tu chn Select Open Loop: 1.Chn mt cnh c l hng k mt bn.

Tu chn Select Open Tangency: 1.Chn mt cnh c l hng k mt bn.

2.Right-click v chn Select Open Loop. Vng cnh bn l hng c chn.

2.Right-click v chn Select Open Tangency. Cc cnh tip tuyn cnh l hng c chn.

iu ny tri vi trnh n tu chn Select Loop. SolidWorks s chn vng cnh c nhi u on khng b thng k bn.

iu ny tri vi trnh n tu chn Select Tangency. SolidWorks s chn vng cnh c nhiu on khng b thng k bn.

Sketch (Vphc tho)Rt nhiu feature ca SolidWorks bt u bng phc tho 2D. V th, vic s dng thnh tho cc cng c sketch l rt quan trng. Bn c th to cc sketch 3D vi SolidWorks. Trong 3D sketch, cc i tng tn ti trong khng gian 3D; chng khng lin quan n vic xc nh cc mt phng sketch.

Bt u mt 2D Sketch mi m mt sketch mi, bn c th: Click Sketchtrn thanh cng c Sketch, hoc

Click Insert, Sketch trn thanh menu. Mt sketch mi c mtrn mt phng Front (mt phng mc nh). vtrn mt phng khc, chn mt phng trn Cy thit k trc khi bn m sketch. vtrn mt b mt phng ca m hnh, click b mt trc khi bn m sketch. Khi mt sketch m, cc cng c v sc kch hot: Sketch, Sketch Relations, Sketch Entities, v Sketch Tools.Thng tin vcc option m bn c th chn tu bin cc chc nng sketch, xem Cc tu chn Sketch

v Cc tu chn h thng chung. tu bin cc thanh cng c bng cch thm hoc bt cc nt, click Tools, Customize. Xem Tu bin cc thanh cng c. Select l mt cng c rt a nng, c s dng sut trong ng dng SolidWorks. Click Tools, Select,hoc right-click v chn Select t menu tt. S dng Select: Chn cc i tng sketch Ko cc i tng sketch hoc im mt nh dng li sketch Chn mt cnh hoc b mt ca m hnh Ko hp chn chn nhiu i tng sketch Chn mt kch thc ko n v tr mi double-click mt kch thc m bn mun thay i. 17

Grid bn truy cp n cc tu chngrid nh hin th, mt li, hoc cch thc truy bt. S dngnt Grid,hocclick Tools,Options vchn Grid/Snap trnnhn Document Properties. Sketch m v ng 2D sketch. Sketch trn Insert menu. 3D Sketch m v ng sketch 3D. Mt 3D sketch n c nhng i tng khng lin quan n cc mt phng sketch c th. 3D Sketch trn Insert menu. ModifySketch dichuyn,quayhoc thay i t l mtsketch. Modifytrn Tools, Sketch Tools menu. NoSolveMove chophp bndichuyncc i tngsketchkhng cnthay icckch thchay tng quan trong sketch. No Solve Move trn Tools, Sketch Tools menu. Thm vo , bn c th truy cp tu chn No Solve Move khi chc nng ca Bng thuctnh cho php. Xem Bng thuc tnh.

Cc cng c tng quan ca SketchCc cng c Sketch Relations ly kch thc v xc nh cc i tng sketch.

Thanh cng c Sketch Relations v menu Tools, Dimensions cung cp cc cng c kch thc. Thanhcng c Sketch Relations vmenu Tools, Relations cung cp cc c ng c thm v bt cc

tng quan hnh hc. (Khng phi tt c cc mc trong menu u c cc nt cng c tng ng.) Dimensions to cckch thc. Kiu kch thc (im n im, chiu di, bnknh, ng knh,hocgc) cxc nhtheocc i tng bnchn.Khi bnchnmenu Tools, Dimensions, bn c th ch n cc kiu kch thc: Parallel, Horizontal, hoc Vertical. Add Relation to cc t ng quan hnh hc (nh tip tuyn hoc vung gc) gia cc i tng sketch,hocgiachng vi c c mtphng, ng tm, cnh, ngcong, hoc nh.Xem Cc tng quan tng. Display/Delete Relations hin thcc tng quan c gn thcng hoc tng cho cc i tng sketch v cho php bn xo nhng tng quan bn khng mun cho tn ti na. Bn cng c th sa cc i tng c li bng cch i chcc tham chiu c lit k. Scan Equal Hin th cc ng v cung vi chiu di hoc bn knh bng nhau, ng thi cho php bn to cc tng quan chiu di ho c bn knh bng nhau gia cc i tng. Constrain All,trn menu Tools, Relations, t cc cng chi vi cc i tng sketch ca cc drawing .dxf hoc .dwg khng b cng ch, c import.

Thanh cng c Sketch Entity Tools v MenuCc cng c Sketch EntityCc cng c v ny to ra cc i tng sketch ring r, bn c th truy cp nh ng cng c ny t:

thanh cng c Sketch Tools menu Tools, Sketch Entity t menu tt (ch nhng cng csketch v c c cng c tng quan thch hp ti thi m right-clickl c trong shortcut menu.) Khng phi tt c cc mc trn menu Tools, Sketch Toolsu c nt cng c tng ng.

Line to mt ng thng. Cng cLine c th s dng trong 3D sketch. Centerpoint Arc to mt cung trn t mt tm im, xut pht im v im mt. Tangent Arc to mt cung trn, tip xc vi mt i tng sketch. 3 Point Arc to mt cung trn qua ba im (bt u, kt thc v trung im). Circle to mt ng trn. Ellipse to mt ellipse. Centerpoint Ellipse to mt phn ellipse t mt tm im, xut pht im v im mt cui. Lnh ny chc trong menu Tools, Sketch Entity, khng c nt cng c tng ng. Parabola to mt parabola. Spline to mt spline. 18

Cng cSpline c th s dng trong 3D sketch. Polygon to mt a gic. Rectangle to mt hnh ch nht. Parallelogram to mt hnh bnh hnh hoc hnh ch nht nm nghing gc so vi li sketch. Point to mt im sketch. Cng cPoint c th s dng trong 3D sketch. Centerline to mt ng sketch. ng tm c dng nh mt hnh c u trc v lm i xng cc i tng sketch v revolve cc part. Cng c Centerline c th s dng trong 3D sketch. Text to k t trong mt sketch trn b mt m hnh (chi vi part).

Cc cng c SketchCc cng c Sketch hot ng trn sketch hoc cc i tng sketch ring l. Bn c th truy cp cc cng

c ny t: thanh cng c Sketch Tools hoc menu Tools, Sketch Tools. Convert Entities to mt hoc nhiu i tng trong sketch bngcch chiu mt cnh, loop, b mt, ng cong sketch , ng vin sketch tbn ngoi ln m t phng sketch. Mirror to bn sao cc i tng sketch bng cch ly i xng chng qua mt ng tm. Face Curves kt xut cc ng cong 3D iso-parametric (ng cong 3D tham sng ng) t cc b mt hoc mt. Fillet to mt cung tip tuyn ti giao im hai i tng sketch v ta cc gc. Cng cFillet cng c th s dng vi 3D sketch. Sketch Chamfer lm vt giao im cc ng sketch. OffsetEntities tocc ngcongsketch,offset t mt hocnhiu i tngsketch,cc cnh ca m hnh, cc loop, b mt, mt lot cnh, mt cnh silhouette (cnh bng), hoc mt lot ng cong sketch ngoi, bng cch xc nh mt khong cch. Cng cOffset Entities cng c th s dng vi 3D sketch. Trim ta hoc ko di mt i tng sketch. Extend ko di mt i tng sketch. Intersection Curve m mt sketch v t o mt ng cong sketch ti cc giao tuyn ca: Mt mt phng v mt mt hoc b mt m hnh Hai mt Mt mt v mt b mt m hnh Mt mt phng v mt i tng part Mt mt v i tng part Cng cIntersection Curve cng c th s dng vi 3D sketch. Split Curve chia mt ng cong thnh hai i tng sketch. Linear Sketch Step and Repeat to mt dy thng ca cc i tng sketch. Circular Sketch Step and Repeat to mt dy trn c a cc i tng sketch. ConstructionGeometry convertcc i tngsketch(cc ngthng,cungtrn,phc tuyn,ellipse v.v) thnh ng cu trc vngc li. (Cc mctrong menu Construction Geometry ch c hiu lc trong drawing.) Cng cConstruction Geometry cng c th s dng vi 3D sketch. Edit Linear Step and Repeat cho php bn sa mt dy thng. Edit Circular Step and Repeat cho php bn sa mt dy trn. Edit Polygon cho php bn sa mt polygon. Insert Spline Pointt mt im ln spline s dng nh mt handle, hoc bn c th gn cc kch thc hoc tng quan. SimplifySplinenginho nhngha mtspline bngcch b btcc imtrnspline ny. Automatic Relations tng to c c tng quan khi bn bsung cc i tng sketch. Automatic Solve tng gii cc hnh sketch trong part khi bn to n. Automatic Inferencing Lines cung cpcc ng dng gip b n lm vic c hiu qu hn. Nhng ng thng nt t ny gip b n dng c c mt, ng sketch v cnh m hnh trong 19

mt sketch hoc drawing. Tuy nhin, chc nng ny c thl m ch m my tnh. Align Grid dng li sketch vi cnh m hnh c chn. Detach Segment on Drag cho php bn khng gn mt phn t sketch vi nhng i tng khc m n bnh vo. Override Dims on Drag cho php bn lncckch th c bng cch ko cc i tng sketch. Close Sketch to Model khp kn mt profile sketch m bng cc cnh ca m hnh c sn. Check Sketch for Feature kim tra li sketch lm nh hng ti vic dng n t o cc feature xc nh.

Bt u SketchCi g l quan trng khi bt u v?Khi bn to mt part hoc assembly mi, ba mt phng mc nh cdngtheocchnhxc nh. Mtphng bnchncho sketch th nht s quy nh hng cho part. V d, nu bnchn *Front trong hpthoi ViewOrientation (hoc t mt hnh chiu ng trong drawing), hnh ny svung gc vi Plane1. Nu bn m mt part mi v bt u vmkhngchn mt mtphng,sketch sc s totrn Plane1 theo mc nh v n l mt hnhfront (hnh chiu

ng). Nu sketch u tin l m t top view, bn phichn Plane2 trongCythit k trc khi click cng cSketch. Nusketch utinl mtlefthoc right view, hy chn Plane3. Bnkhngnhtthitphidng mt trongcc mtphng mc nhcho sketch utin; bncth to mt plane mi theo mtgc bt k.D vy, hng cacc view vn c xc nh theo cc plane mc nh. Nu bnnhmhoc i, bncth nh hng lichopart(v dthay i "Front" thnh "Top") vi Update StandardViews Orientation. 1. 2. 3. trong hpthoi

Thay i hng cc hnh chiu tiu chun: Click View, Orientation hoc nhn Space Bar. Trong hp thoi Orientation, double-click mt named view chn hng mi. V d, nu bn mun Left view hin thi trthnh front view, double-click Left.Click (khng double-click) tn hnh chi u tiu chun bn mun n nh l hng hin thi ca m hnh. V d, click Front nu bn mun hnh hin thi l front.

4.

Click Update Standard Views

. Tt ccc hnh tiu chun s cp nht theo hnh ny.

Cc hnh v cn phi phc tp n mc no?Trong nhiu trng hp, bn c th t c cng mt kt qu t vic to mt extruded feature c profile phc tp hoc t mt extruded feature c profile n gin v vi feature b sung. (Bn thng phi ng trc s la chn ny khi nh lm feature c s cho mt part.) 20

V d, nu cc c nh ca mt extrusion cn c v trn, b n c th v mt hnh phc tp c cc gc ln, hoc mt hnh n gin v sau b sung cc feature fillet tng ng.

Hnh v phc tp

Hnh vn gin Mt siu phi cn nhc: Ccsketchephc tp c dng li nhanh hn.CcSketch filletcth ctnh li nhanh hn cc fillet feature, nhng c th kh to v sa.Cchnh vn

gin linh hotv d qun l hn. Ccfeatureringcth sp xp li hoc chn li, nu cn.

Lm vic trong mt SketchKhi mt sketch ang kch hot, ca s sketch hin thcc cng c sketch cng nhcc thng tin trgip v sketch trong thanh trng thi di y ca s. Thm vo , bn c th chn sketch grid dl m v ic.

The Status BarTrong thanh trng thi di y ca ssketch c nhng thng tin sau: Cc to vtr con tr khi ang v mt i tng sketch. Trng thi ca sketch: Over Defined, Under Defined, hoc Fully Defined. (Xem Sketch Geometry Status v Sketch Dimension or Relation Status.) Dng ch : "Editing Sketch". Hin th khi bn ang trong kiu sketch nu li sketch b mt trong khi bn ang v. Khi con tr lt trn mt mc menu hoc nt cng c , hy xem m t vn tt vchng t i pha tri thanh trng thi. hin th status bar: Click View, Status Bar. Mt du kim gn mc menu ngha l thanh tr ng thi xut hin.

Gc ca Sketch

Gc to sketch hin th mu trong sketch ang c kch hot. S dng gc sketch gip bn bit to ca sketch m bn ang lm vi c trn . Misketch trongpart uc gc ca n,vth thngcnhiu gcsketchtrong mt part. Khi m mt sketch, bnkhngth tthinth gc can. B nkhngth lycckchthchoc tngquan n sketch origin; bn ch c thgn cc kch thc v tng quan n gc ca m hnh. Lu rng gc sketch v gc m hnh, c mu xm, khng phi l ng nht. 21

M mt Sketch miTheo mc nh, mt sketch mi sc mtrn mt phng Front, nhng bn c th msketch trn mt phng Top hoc mt phng Right. Msketch trn cc plane Top hoc Right: 1.Click Top hoc Right trong Cy thi t k. 2.Click Normal To 3.Click Sketch hoc View, Orientation v double-click *Normal To. m mt 2D sketch. m mt 3D sketch.

- hoc - Click 3D Sketch

chn mt mt phng khc m ta s v trn , xem To mt mt phng cu trc

Vtrn b mt ca mt Part toccfeature m itrn mtpart, bn vtrn b mt capart, ni bn mun t feature . Vtrn cc b mt m hnh: 1. 2.Click m hnh ti b mt phng bn mun v.

Click Sketch S sy ra:

hoc click Insert, Sketch.

Mt li hin thtrn b mt bn chn (nu bn chn option Display grid trong Tools, Options, Document Properties, Grid/Snap). Thanh cng c sketch c kch hot.Thng ip"EditingSketch"xuthintrnthanhtr ngthi di y ca s.

vtrn mt b mt khc, thot khi sketch hin ti, click b mt mi v m mt sketch mi.

Li SketchBnc th chn hin th mt li sketch khi bn c mt sketch hoc dra wing kch ho t. Li sgip nh hng cho bn khi vv ni chung l m t cng c hu ch. Nh ng Grid l tu chn. Bt grid: 1. 2. Click Grid , hoc click Tools, Options v chn Grid/Snap trn nhn Document Properties.

Kim Display grid.

Ca s Sketching cng cung cp mt tu chn Snap to points gip bn to cc ng v im chnh xc. Khi bt bt li, cc im bn v hoc ko s truy bt cc mt li gn nht trn li. iu ny c tc dng i vi cc im mt ca ng v tm cc ng trn v cung trn. Bt grid snap: 1. 2. Click Grid, hoc click Tools, Options v chn Grid/Snap trn nhn DocumentProperties. Di Snapbehavior, kim Snap to points.

22

Cc kiu vC hai cch v trong 2D: click-drag hoc click-click. SolidWorks p ng vi tn hiu ca bn xc nh

cc kiu nh sau: Nu bn click im th nht v ko, bn sdng ki u click-drag. Nu bn click im th nht v th, bn sdng kiu click-click. Trong 3D sketch, ch kiu click-drag c hiu lc.Khi cc cng cLine v Arc trong kiu-click mode, chng to ra mt chui cc phn t khi bn click. kt

thc mt chui sketch, lm mt trong cc cch: Double-click kt thc chui nhng vn kch hot cng c. Right-click v chn End chain, cng tng t double-click. Nhn Esc kt thc chui v thot cng c . Di chuyn con trra ngoi ca s ng ng ko. B n c th ch n cng ckhc, ng thi kt thc chui v.

Tng chuyn iBn c thi tang v mt ng thng sang v mt cung tip tuyn m khng phi chn cng c Arc. Bn c thi gia ng tm v cung bng phm A. Tng chuyn i gia line v arc: 1. 2. 3. 4. 5. Click Line thng.Click mt ca ng thng, ri ko con trra xa. Hnh preview bi u din mt ng khc. trn thanh cng cSketch Tools, hoc click Tools, Sketch Entity, Line v v mt on

Di chuyn con tr tr li im mt, ri li i ra. Hnh preview bi u din mt cung tip tuyn. Click v cung . Di chuyn con tr ra khi mt c a cung. Hnhpreviewbi u din mt ng thng. Bn c th v mt ng thng hoc thay i thnh mt cung trn nh bc 3. Lu : chuyn i gia ng thng v cung m khng cn tr li im mt, nhn A.

Cc biu hin ca Con trv tia dngTrong khi v, lu rng s biu hin cacon tr thay i phn nh tc v, v tr ca con tr v nhng tng quan hnh hc hin c tng p dng. Khi bndichuyncontr dctheo mt ng sketch bt k, u tin, n xut hin nh mt immt, rithay i thnhtrn nt vv sau l trung im v.v Khi hai ng thng giao nhau, con tr thay i ch th giao im.

Khi bn v mt cung, con tr thay i khi di chuyn xung quanh cung. Con tr cung cp cc thng tin vcc kch thckhi bn vcclinehocarc,nh chiu di, gc hoc bn knh ca i tng sketch.

23

Khi bn chn sketch khc hoc cc cng c km theo con tr l mt k hiu tng ng vi cng c .Hnhminhho lcccontr Rectangle, Circle, Spline, Point, Trim, Extend,v Dimensions,v cn nhi u k hi u khc na.kch thc,

Khi bn v, SolidWorks theo di bn v cung cp cc tia dnggip b n lm vic hiu qu hn. Trong khi v, lu rng cc tia nt t sdng con trtheo cc ng thng v im m bn v, cng nh vi cc m hnh c sn.Khimt ca mt ngthng bn ang v dng vi mt im khc m bn v, mt tia nt t s ch thng dng ny. iu gip bn dng cc mt vi mi im khc bn c th vkhng cn dng li.

Khi bn vcc cung, cc tiadng v cc kch thc s hng dn bn toracungchnh dng v kch c m bn mun. TIP: Cctiadngnubo rng mt tngquan cgn t ng;tiadngxanhbokhngc tng quan no c gn.

Cc tia dng tngBn c th tt cc tia dng trong khi ang sa mt sketch hoc khi ang v trong mt drawing. Nu cc tia dng tng b tt, bn skhng cn dng c ti ton b cc cnhmhnh v cc i tng sketch ang hoc khng kch hot. Tt cc tia dng trong mt sketch hoc drawing phc tp c th ci thin tc v v gim thiu cc tng quan khng mun c. Tt cc tia dng tng: Click Tools, Sketch Tools, Automatic Inferencing Lines tt cc tia dng tng. Trong cc drawing, bn phikchhotcc tiadngchonhng i tngsketchhin thi. Bn phi kch hot cc tia dng cho mi i tng mi m bn mun v.Kch ho t cc tia dng cho m t

i tng trong drawing:

1. 2. 3.

Click mt cng c v, nh l Line. Di chuyn con tr trn i tng bn mundng. Mucon tr chuynsang da cam mi khi tia chiu c kch hot cho i tng. Vi tng mi v i tia dng ti tng c kch hot.

Kch hot cc cnh ca m hnh dng:1. 2. 3. M mt sketch trn b mt phng ca m hnh. Click mt cng c v, nh l Line. Di chuyn con trtrn c nh ca m hnh kch hot n. N umhnhlhnh tr , tm im sxut hin nh ch thp en.

V d: dng tm mt hnh tr, chn mt cng c vv kch hot cc cnh ca hnh tr. Sau bn c th dng n tm.

24

Silhouettes (Cc cnh bng)Bn c th chn cnh bng ca mt mt trn, nhhnh tr, dng c c lnh Convert Entities hoc Offset Entities, hay Dimensions hoc Relations. Cc cnh Silhouette cng c chn theo box-select. S dng mt cnh silhouette: 1. Lmvic vi mtsketch mtrn b mtmhnhhoc mtphng(hoctrong mthnh drawing ang kch hot), di chuyn con trtrn mt mt tr cho n khi n thay i thnh mt hnh tr nh cnh mi tn con tr. Lc ny, c nhbng ca tr trthnh trng thy nh mt nt t. NOTE: cnhbngtr nnnhnthy c,click Tools,Options vchnnhn SystemOptions. Click Edge Display/Selection v chn Dynamic Highlight from Graphics View. 2. Chn line nt t s dng v i cc cng c sketch, nhConvert Entities hoc Offset Entities, hay Dimensions hoc Relations.

Shortcut MenuKhi s dng thnh th o cc cng c sketch, bn s thy rng menu tt cho ta cch thc chuyn i tc vnhanh chng v ddng. Nu bn right-click sau khi v mt i tng sketch, menu tt cho php bn chn mt cng c sketch khc m khng c n di chuyn con trn thanh cng c hoc menu. Trnh n tt menu thay i tutheo tc v m bn ang thc hin. Ch c nhng thao tc thch hp mi c lit k trong menu. iu ny cho bn mt cch thc c hiu qul m v i c m khng c n phi lin tc di chuyn con trn cc menu chnh hoc cc nt c ng c. V d, s dng trnh n tt trong mt sketch, bn c th : Chn cng csketch khc khng c n di chuyn con trn thanh cng c. Thay i view ca sketch Truy cp cng ckch thc. Gn tng quan cho cc i tng sketch hoc hin thv xo cc tng quan.Thot sketch

Cut, Copy v Paste trong SketchKhi qutBn c th cutvpaste,hoc copyvpaste, mt hoc nhiu i tng sketch tsketchny n sketch khc hay trong cng mt sketch. Chn cc i tng v ko k t hp vi nhn cc phm sau: copy trong cng ti liu hoc cc ti li u khc, giCtrl trong khi ko. move trong cng sketch, giShift trong khi ko. di chuyn gia cc ti liu khc nhau, giCtrl v kocc i tng sketch n ti liu th hai. Ri nhCtrl, nhn giShift v th sketch. NOTE: Mtsketch miphi c mtrongti liu ch kosketchvo.Thm na, bncthcopy bng cch chn mt hoc nhiu i tng sketch v click Edit, Copy, hoc bng cch nhn Ctrl+C. Sau , bncthpastecc i tngny bngcchclicktrongvng hovclick Edit, Paste hocnhn Ctrl+V. Tm ca cc i tng sketch c t ti im bn click.

Copy v Past cc i tng SketchBn c th copy mt i tng sketch v paste n ln mt face trong part hin thi, hoc bn c th paste n vo mt sketch khc, hoc n mt ti liu part, assembly, hay drawing. Ti liu ch phi c m. Copy v paste mt sketch: 1. 2. 3. Chn sketch khp kn trong Cy thit k. Click Edit, Copy, hoc nhn Ctrl+C. Click vo sketch hoc ti liu m bn mun paste sketch. 25

4.

Click Edit, Paste, hoc nhn Ctrl+V.

NOTE: Copy mt sketch khng copy cc t ng quan.

Shaded Sketch PlaneKhi bn ang sa mt sketch trong Shaded mode, bn c tu chn hin th mt phng sketch nh mt mt phng shaded. Tt bt shaded sketch plane: Click Tools, Options, System Options,Sketch. Kim Display plane when shaded. NOTE: Nu hin th chm, c th do tu chn Transparency. Vi mt s graphics card, tc hin th tng ln nu s dng mc trongsutthp. xc nh trongsut mcthp,click Tools, Options, System Options, Performance v hu kim c hai hp di Transparency: High quality for normal view mode v High quality for dynamic view mode.

Chnh sa SketchM mt sketch c sn bn c th sa i. 1. Right-click mt trong s: Tn ca sketch bn mun s a trong Cy thit k Mt feature c dng tsketch ny, trong m hnh hoc trong Cy thit k Mt i tng sketch trong sketch khng kch hot Lu : Vi nhng feature dng t nhiu sketch (loft v sweep), right-click sketch trong Cy thit k 2. 3. Chn Edit Sketch .

ng sketch sau khi kt thc sa, right-click trong sketch v chn Edit Sketch hoc click Sketch, - hoc - thot sketc h v t i l p, click Rebuild .

Lu : Nu thay i mt sketch v thot sketch khng ti lp, tn feature trong Cy thi t k hin th mt icon bo rng cn phi ti lp cho part. Xem K hiuRebuild.

Thot SketchBn thot mt sketch khi: To mt feature t profile va v. V d, khi extrude mt base, boss, hoc cut tsketch ny. Click Rebuild hoc Edit, Rebuild. Click Sketch. Click Insert, Sketch tmenu chnh. Chn Exit Sketch t shortcut menu.

Thay i mt phng Sketch1. Chn sketch trong Cy thit kv click Edit, Edit Sketch Plane, - hoc - Right-click sketch trong Cy thit k v chn Edit Sketch Plane. 2. 3. Chn mt mt phng mi bngcchclick mt phng trn Cy thit k hoc chn mt b mt mi bng cch click mt b mt phng khc ca m hnh. Click Apply.

Sketch h quSinh ra mt sketch tsketch khc c a cng mt part, hoc cng mt assembly. Khi bn to mt sketch t mt sketch c sn, bn c bo m rng hai sketch sduy tr nhng c im m chng chia s. Nhng thay i bn lm cho sketch gc sc phn nh trong sketch h qu. To mt sketch h qu t mt sketch trong cng part: 1. 2. 26 Chn sketch m t, bn mun sinh ra mt sketch mi. GiCtrl key v click ln b mt bn mun t sketch mi.

3. 4.

Click Insert, Derived Sketch. Sketch mi sxut hin trn b mt c chn v thanh trng thi bo rng bn ang edit sketch. nh vsketch hqu bngcchkov lykchthcntrn b mt cchn.(Sketch hqu khng uyn chuyn v ch di chuyn nh mt i tng duy nht.)Right-click part m trn , bn mun t mt h qu sketch.

H qusketch t mt sketch trong cng assembly: 1. 2. 3. 4. 5. 6.

Chn Edit Part. Chn sketch gc (trong cng assembly) m t , bn mun sinh sketch mi. GiCtrl key v click ln b mt bn mun t sketch mi. Click Insert, Derived Sketch. Sketch mi xut hin trn b mt c chn v bn ang trong trng thi edit sketch. nh vsketch hqu bngcchkov lykchthcntrn b mt cchn.(Sketch hqukhng uyn chuyn v ch di chuyn nh mt i tng duy nht).

Ghi ch:

Nu bn xo mt sketch gc sinh ra sketch h qu, bn sc nhc rng tt cccsketche h qu s tng bin mt. Click Yes hoc No. Bnkhngththm btcc i tnghnh hctrn mt sketch hqu;nlun ngnht vi sketch cha. Nhng bn c thnh hng li n bng cc kch thc v tng quan hnh hc. Khi bn thay i sketch gc, sketch h qu tng cp nht. ph vlin kt gia sketch h quv sketch cha c a n, right-click tn sketch h qutrong Cy thit k v chn Underive t menu. (Sau khi link b ph v, sketch h qu skhng cn c p nht khi sketch gc thay i.)

Mt phng tham chiu vung gc mt cnhBn c th vtrn mt mt phng tham chiu c tng to ra v vung gc vi mt cnh. 1.Trong ti li u part, chn mt im trn mt cnh v click Sketch. Mt mt phng tham chiu vung gc vi cnh c chn ti mt u mt gn vi im chn. Gc ca mt phng mi xut hin ti immt ny.

2. 3.

V mt i tng sketch nhhnh ch nht hoc hnh trn trn mt phng ny. To mt feature nh boss hoc cut.

V d s dng mt reference plane vung gc vi mt edge: Chn cnh Mt phng c gc ti im mt ca cnh Vtrn mt phngExtruded cut vung gc

vi mt phng

Kim tra Sketch to FeatureCho php bn kim tra li sketch cn tr vic to feature.

Mi kiu Feature cn c kiu Contour ph hp. Nu bn chn mt kiu Feature khc tdanhsch, kiu Contour s thay i theo tng ng. Mi kiu Contour a ra mt nhm ki m sot khc nhau trn sketch cng vi nhng kim sot chung i vi tt c cc dng contour. Xem Cc kiuContour hp l.

27

Kim tra mt sketch: 1. Vi mtsketch ang m,click Tools,SketchTools,CheckSketchForFeature . Hpthoi Check Sketch For Feature Usage xut hin. Nc mt danh mc Feature usage lit k tt ccc cch s dng sketch trong mt feature. Nu sketch c th dng to c feature, kiu ca feature s hin th trong hp Feature usage. Nu sketch khng th dng to ra feature, hin th trong hp Feature usage v contour c kim tra li chung cho tt ccc kiu . 2. Click Check.Sketch ckimtratutheokiucontour cquy nh bikiu featuretrong hp Feature usage. Nu sketch t, thng ip No problems found xut hin. Nu c li, mt thng ip m t li s hin th v nu c th , vng cha li spht sng. Mi ln check ch tm mt li. kim tra sketch cho kh nng dng trongcc kiu feature khc, bn c th chn mt kiu Feature usage mi trongdanhschvclick Check. Contourtype tng ng sthay iv mtcheck mi c tin hnh trn sketch. Click Reset tr li kiu Feature usage gc. Click Closeng hp thoi.

3.

4. 5.

Hp thoi cng tng khi bn thot sketch, ti l p v chuyn n ti liu mi

v.v

Modify SketchCho php bn di chuyn, quay hoc t l mt sketch.

Scale mt sketch: 1. 2. M mt sketch hoc chn mt sketch trong Cy thit kv click Modify Sketch Sketch Tools, hoc click Tools, Sketch Tools, Modify. Trong hp Scale About, chn mt trong s: Sketch origin. p dng t lng dng so vi gc ca sketch. Moveable origin. Scales the sketch about the moveable origin. 3. G mt gi tr thp phn vo hp Factor v nhn Enter. Lu : Bn khng thscale mt sketch nu n l tham chiu ngoi. 4. Click Closeng hp thoi. Di chuyn v quay m t sketch: 1. 2. M mt sketch hoc chn mt sketch trongCy thit kvclick Modify Sketch trong thanh cng c Sketch Tools, hoc click Tools, Sketch Tools, Modify. Di chuyn hnh v theo gia s: Trongphn Translate ca hp thoi Modify Sketch, g gi tr gia tngtrong cc hp X value v Y value v nhn Enter. trn thanh cng c

Dichuyn mt im xc nh n mt vtrxc nhkhc: Trongvng Translate, click Position selected point , v chn mt im trn sketch. Sau g cc totrong cc hp X value v Y value v nhn Enter. NOTE: Lnh Modify Sketch thay i cc i tng sketch i vi m hnh (gm c gc to sketch). Hnh vkhng thay i i vi gc. 3. quay sketch, trong hp Rotate,nhp mt gi trgc quay xc nh v nhn Enter. - hoc - Bn c th s dng con tr di chuyn v quay nh sau: Nhn chut tri di chuyn sketch. Nhn chut phi quay sketch quanh k hi u gc mu en. Tr ti cc im mt hoc tm c a gc mu en hin th mt trong ba k hiu"flip"trnchutphi.Nhnflipsymbol flipsketchtrncctrcX v/hoc Y. Trvo tm ca gc mu en hin th mt point symbol trn nt tri. Nhn nt tri di chuyn tm quay c lp ca sketch. 28

Lu : Bn khng th di chuyn mt sketch nu n c nhiu tham chiu ngoi. (Con tr c du ? trn nt tri.) N u sketch ch c mt im ngoi, bn c th quay sketch quanh im ny. 4. Click Closethot hp thoi. c thm thng tin v cch dng chc nng Bng thuc tnh sa i sketch, xem Move/Copy .

Khp kn Sketch i vi ModelKhp kn m t

sketch c profile m bng cc cnh m hnh c sn.

1. 2. 3.

M mt sketch trn mt b mt ca m hnh. V mt profile mc cc im mt ti p xc v i cc c nh m hnh trn cng ng bao ca b mt. Click Tools, Sketch Tools, Close Sketch to Model . Hp thoi Close Sketch with Model Edges xut hin. Lu rng c mt mi tn ch hng skhp. (Extrude s trong hoc ngoi sketch, nh minh ho.)

4. 5. 6. 7.

Click hp Reverse direction, nu cn. Click Yes khi mi tn chng hng, click Nothot hp thoi. Click Extruded Boss/Base hoc Insert, Boss, Extrude, hay Extruded Cut hoc Insert, Cut, Extrudev xc nh End Conditions trong hp thoi Extrude Feature (hoc hp thoi Extrude Cut Feature.)

Click OK extrusion.

Sketch Tools (Cc cng c v)Convert EntitiesTo ra mt hoc nhiu ng cong trong mt sketch bng cch chiu mt cnh, loop, b mt hoc sketch contour ngoi, nhm cnh hoc nhm ng cong sketch ln mt phng sketch. Convert mt i tng: 1. 2. Vi mt sketch ang kch hot, click mt cnh, loop, b mt hoc sketch contour ngoi, nhm cnh hoc nhm ng cong sketch. Click Convert Entities trn thanh cng c Sketch Tools hoc Tools, SketchTools, ConvertEntities. Nhng tng quan sau y sc to tng: Tng quan On Edgec to gia ng cong sketch mi v i t ng, v th, ng cong s cp nht nu i tng ny thay i. Tng quan Fixedc to ni b trong i tng sketch ti cc im mt sao cho sketch c thduytrtr ngth ihontonxc nh. Tngquan ni bnykhnghinthkhi bndng Display/Delete Relations. Loi b tng quan Fixed bng cch ko cc im mt.

i xng cc i tng SketchT o c c b n sao cc i tng sketch i xng qua mt ng tm. Khi bn to cc i tng mirror, SW s p dng mt tng quan i xng gia cc c p im sketch tng ng (cc mt c a ng thng, tm cc cung trn ) Nu bn thay i mt i tng mirror, i tng i xng vi n cng thay i theo. i xng cc i tng c sn: 1. 2. 3. Trong mt sketch, click Centerlinetrn thanh cng c Sketch Tools v v mt ng tm.

GiCtrl chn ng tm v c c i tng bn mun mirror. Click Mirrortrn thanh cng c Sketch Tools, hoc click Tools, Sketch Tools, Mirror.

i x ng cc i tng ang v: 1. 2. Chn mt ng tm l m tr c i xng. Click Mirrortrnthanhcng cSketchTools,hoc click Tools, Sketch

Tools, Mirror. Biu tng i xng xut hin trn hai u ng tm ch th 29

rng chc nng i xng tng c kch hot. 3. 4. To cc i tng sketch m bn mun lm i xng. Cc i tng bn v s mirror tng. tt mirror, click Mirror ln na.

FilletTo mt cung trn tip tuyn ti giao im hai i tng sketch, ta bcc gc. Cng c fillet dng cho c phc ho2D v 3D. Bn c th chn cc i tng sketch fillet bng cc cch sau: GiCtrl v click hai i tng giao nhau. Click mt gc. Bn cng c th chn cc i tng khng ct nhau fillet nu chng cha c ly kch thc. Cc i tng c chn sko di n ch fillet. Lu : Bn c th chn cc i tng trc hoc sau khi hp thoi xut hin. To mt fillet trong sketch: 1. 2. 3. 4. Click Fillet Fillet xut hin. Trong hp Radius, nhp mt bn knh fillet ho c s dng cc mi tn cun n gi tr mi. Nugcny ccckchthchoc tngquanv bnmungigiao im o,kim Keep constrained corners. Khi , bn c hi c mun xo c c tng quan khi fillet c to khng. Nu chn trc cc i tng sketch, click Apply tofillet. - hoc - Nu cha chn trc, click cc i tng sketch bn mun fillet. Hp thoi vn m bn c th tip tc fillet. Lu : Cc fillet c to lin tc trong mt lot c bn knh chung, chng tng c tng quan Equal vi fillet u tin trong lot. 5. 6. Click Undo nu bn mun hu fillet cui cng. Click Close to close the dialog box. V d: Fillet c to vi tu chn Keep constrained corners.trn thanh cng c Sketch Tools, hoc Tools, SketchTools, Fillet. Hp thoi Sketch

Sketch ChamferCng cSketch Chamfer p dng vt gc i vi cc i tng lin tip trong 2D sketch. Lnh chamfer c th xc nh bng gc-khong cch. Bn c th chn cc i tng sketch trc hoc sau khi chn cng c Sketch Chamfer. Mt hnh previe w xu t hin khi bn chn cc i tng sketch trc. To mt vt gc b ng cch chn trc cc i tng sketch: 1.Chn hai i tng sketch vt gc. 2.Click Sketch Chamfer xut hin. 3.Chn cc tham sChamfer Parameters. Hnh preview xut hin trong vng ho. 4.Click OKhon tt lnh v ng Bng thuc tnh. Lu : Nu cn vt gc nhiu, click Keep Visible Bng thuc tnh vn m . Cc chamfer ti p hoc Tools, Sketch Tools, Chamfer. Bng thuc tnh Sketch Chamfer

theo c p dng nh m t ti bc 2 trong tin trnh.

30

To vt gc bng cch chn cng c trc: 1.Click Sketch Chamfer hoc Tools, Sketch Tools, Chamfer. Bng thuc tnh Sketch Chamfer xut hin. 2.Chn cc tham sChamfer Parameters. 3.Chn hai i tng sketch cn vt gc. Lnh c thc hin tc khc. Lu : Bn c thxa cc gc vt c to trong mc hin thi mt ln bng vic click Undo.

Offset cc i tngBn c th to cc ng cong sketch c offset t mt hoc nhiu i tng sketch, cc cnh, loop (cc cnh lin tip khp kn mt b mt), cc b mt, ng cong, nhm cc cnh, hoc nhm ng cong bng cch xc nh khong cch. i tng sketch c chn c th l cu trc hnh hc. Cc i t ng c th c offset kp theo hai hng. ng dng SolidWorks to mt tng quan OnEdge gia i tng gc v i tng coffset tng ng. Nu i tng gc thay i, khi bn ti lp m hnh, i tng offset cng thay i. To mt ng cong offset t mt cnh ca m hnh: 1.Trong mtsketch, chn mthocnhiu i tngsketch, mt b mtmhnh,hoccc ngcong bn ngoi sketch. trn thanh cng c Sketch Tools, hoc click Tools, Sketch Tools, Offset

2.Click Offset Entities 3.

Entities. Bng thuc tnh Offset Entities xut hin. Di Parameters, chn trong s: t mtgitrOffsetDistance trong Bngthuctnh,hocdi

chuyn con trtrong vng hot khong cch offset. NOTE: Khi bnclicktrongvng ho, lnhOffset Entity shon tt. Chn mt trong cc hp kim sau, trc khi click trong vng ho: Chn Reverse thay i hng ca offset mt hng. Chn Select chain to mt offset tt c cc i tng sketch lin t c. Chn Bi-directional to offset theo c hai hng. 4.Click Close Dialog hoc click trong vng ho. Thay i khong cch offset: Thay i khong cch offset bng cch double-click kch thc offset v thay i gi tr. Trong mt offset hai hng, bn c th kch thc tng hng ring.

TrimXo mt phn sketch v cng c thko d i m t phn sketch. S dng Trim: Ta mt ng thng, cung trn, ellipse, spline,hoc ng tm khi chng giao vi cc i tngsketch khc.

Xo mt ng thng, cung trn, ellipse, spline, hoc ng tm.Ko di mt phn sketch ti mt i tng sketch khc.

Ta mt i tng sketch: 1.Click Trimtrn thanh cng c Sketch Tools hoc Tools, SketchTools, Trim.ln trn cc ph n sketch bn mun ta (xo).

2.Di chuyn con tr

3.Khi phn bn mun xo sng , click chut tri. Phn ny s b xo n ni n giao vi cc phn sketch khc (ng thng, cung trn, ellipse, spline, hoc ng tm) hoc cnh ca m hnh. Ton bi tng sketch s b xo nu n khng c t vi i tng sketch no khc. Lnh Trim cng c thxo nhng mc cn li cui cng ca mt i tng sketch. 31

Dng Trim ko di m t i tng sketch: Ko im mt ca mt i tng sketch cho nkhi n tip xc vi i tng khc. Bn khng thdng Trimko di mt i tng sketch nu n khng c kh nng giao vi i tng khc.

ExtendKo di i tng sketch ti mt i tng sketch khc.

1.Click Extend 2.Di chuyn con tr 3. 4.

trn thanh cng c Sketch Tools, hoc Tools, SketchTools, Extend.

ln i tng bn mun ko di ( ng thng, cung trn hoc ng tm).

i tng c chn pht s ng v phn kodipreviewmudixanh l cy theo hng s extend. Nu phn preview sai hng, di chuyncon tr sang vtr khc trn i tngv xem li preview mi. Click i tng sketch chp nhn lnh.

i tng sketch ko di ti i tng khc trong kh nng.

Intersection Curve (ng cong giao)Lnh Intersection Curve m mt sketch v to mt ng cong sketch ti nhng kiu giao:

Mt mt phng v mt mt hoc b mt m hnh Hai mt Mt mt v mt b mt m hnh Mt mt phng vi ton b part Mottj mt v ton b part Bn c th s dng ng cong giao ging nh cc ng cong sketch bt k, gm cc tc v: o chiu dy ti c c v tr mt ct khc nhau ca mt part. To sweep path theo giao tuyn ca mt mt phng v part. Ly mt ct ca cc khi import solid to ra cc part tham bin. s dng ng congsketch cho extrude mt feature, sketch phil 2D.Cc tc vkhc c th thc hin vi 3D sketch. to mt 2D sketch, chn mt mt phng trc ri click Intersection Curve. to mt 3D sketch, click Intersection Curve trc ri chn mt mt phng. o chiu dy mt mt ct ca part: 1. Vi mt part ang m, click Intersection Curvetrn thanh cng c Sketch Tools, hoc Tools,

SketchTools, IntersectionCurve. Mt3Dsketch c m(v bnclick phng). 2.Chn cc mc giao nhau: Chn mt mt phng ct qua b mt ca face part. Mt spline xut hin ti tit din. Click b mt ca part.

trc mt mt

32

3.Quaypart riclickvo b mt idin capart. Mtsplinekhc xut hin trn b mt ny.

4.By gi bn c th chn Tools, Measure v o khong cch gia hai spline ny.

Cc ng cong b mtBn c th kt xut cc ng cong iso-parametric (UV) t mt mt hoc b mt. ng dng ca chc nng ny l lt xut cc ng cong ca cc mt import v thc hin khu bit bng cc ng cong b mt. Bn c th xc nh li ng cong cch u hoc mt v tr to hai ng cong trc giao.

Li

V tr

Mi ng cong c to bi tin trnh ny l mt 3D sketch c lp. Tuy nhin, khi bn ang edit mt 3D sketch bng cng cFace Curves, tt c cc ng cong kt xut u c a vo 3D sketch ang kch hot. Kt xut cc ng cong iso-parametric: 1.Click Face Curves hoc Tools, Sketch Tools, Face Curves, ri chn mt b mt hay mt mt. hoc Tools, Sketch Tools, Face

Hoc ri chn mt b mt hay mt mt ri click Face Curves

Curves. Mtpreviewcc ng cong xut hin trn b mt. Cc ng cong mi hng c mt mu. Cc mu ph hp[j v i ccmu t trong Bng thuc tnh Face Curves . Tn ca b mt xut hin trong hp Face 2. .

Di Selections, chn trong s: o Mesh cc ngcongcch u.Xc nh s lng ngcongcho Direction1v Direction 2. oPosition giao im hai ng cong trc giao. Ko vtr ny trong vng ho hoc xc nh chnh xc t l khong cch ty cho Direction 1 v tbn phi cho Direction 2. Hp kim Direction 1 On/Off hoc Direction 2 On/Off - hu kim nu ng cong ny khng i hi. Position Vertex - chn mt nh hoc mt im xc nh giao im ca hai

ng cong. im ny khng ko i c. 3. Di Options: 33

oConstrain to model - nu kim, c c ng cong s cp nht nu m hnh thay i. oIgnore holes - thng s dng khi nhp cc mt c cc l hng bn trong hoc cc loop. Khi c chn, cc ng cong sinh ra sdi qua cc l nh khi mt cn nguyn vn. Nu khng ch n, c c ng cong s dng li nhng mp l. 4.Click OK. Cc ng cong xut hin nh 3D sketch trong Cy thit k. NOTE: Nu thng tincc cnh ca mt khng ph hp,cc ngcong cnh skhng c sinhra.Thngbo li:"FailedtocreateXoutofXfacecurves.Pleaseconsiderusingconvert entities." Bn c th to racc ng cong b mt bng cch m mt 3D sketch v dng cng c Convert Entities .

Split Curve (Chia ng cong)Cho php bn tch ng cong thnh hai i tng sketch. Bn c th xo mt im chia gp hai i

tngthnh mt i tngduynht. Bnphidnghai i tng Split Curvechia mt ngtrn, ellipse, hoc spline khp kn. B n c th ly kch thc n im chia. Chia mt i tng sketch: 1. Msketch c cc i tng cn chia.trnthanhcng c Sketch Tools hoc right-click i tngsketchvchn

2.Click Split Curve

SplitCurve. Con trc hnh

khi trn mt i tng sketch c th chia.

3.Click i tng sketch ti ch bn mun chia. i tng sketch bchia thnh hai i tng v mt im chia c chn vo gia hi i tng ny. Kt hp hai i tng sketch bchia thnh m t: Click im chia v nhn Delete key.

To dy Sketch thngBn c th to mtdythng thambinvc thhiu chnh c cacc i tngsketch bng lnh Linear Sketch Step and Repeat 1. 2. .

M mt sketch trn b mt m hnh v v mt hoc nhiu mc cn lp li. Vi cc i tng sketch c chn, click Linear Sketch Step and Repeattrn thanh cng c

Sketch Tools, hoc click Tools, Sketch Tools, Linear Step and Repeat.(Hoc bn c th chn cc i tng sau khi click Linear Sketch Step and Repeat .) Tn cc i tng sketch c chn xut hin trong hp Items to repeat. 3. Di Direction 1: Trong hp Number, t tng s instance bn mun, gm c sketch gc. Trong hp Spacing, t khong cchgia cc instance. Nu bn kim Fixed , gi trSpacing c hin th nh mt gi tr cnh khi dy c hon t t. Xem Fixed Spacing. t gc trong hp Angle. Click Reverse Direction 1 4. 5. 6. 7. i hngdy.

Nu bn nhp cc gi tr trong nhng hp Number, Spacing, hoc Angle, bn cn click Preview xem trc. Sau , bn c th quay li iu chnh cc gi tr v li click Preview. Vi mt dy 2D, lp li bc 3 v nhp cc g i tr cho Direction 2. Bn c th thay i Spacing v Angle bng cch ko im chn ca preview. Nu bn xc nh dy hai h ng, bn c th kim Constrain angle between axes. trained.

8.Click OKhon tt dy cc i tng sketch. Lu : Bn c th xo mt hoc nhiu instances khoit dy trc hoc sau khi hon thnh. Xo mt instance trong dy: Lu rng mi instance c m t trong hp Instances bng mt b s ch th vtr (hng, c t) ca n. 34

xo mt instance khi dy, chn n trong hp Instances v nhn Delete. Instance ny s b bin mt v ch th v tr ca n c a vo hp Instances deleted. a livody mtsketch instance bxo,chn chth v tr cantrong hp Instances deleted v linhn Delete.Sketchinstanceny ctr lidyvch th vtr can c chuyn v hInstances.

Dy trnBn c th to mt dy trn thng tham bin v c th hiu chnh c ca cc i tng sketch bng lnh Circular Sketch Step and Repeat 1. 2. .

M mt sketch trn b mt m hnh v v mt mc sketch xp dy. Vi cc i tng sketch c chn, click Circular Sketch Step and Repeattrn thanh cng

c Sketch Tools hoc click Tools, Sketch Tools, Circular Step and Repeat.(Hoc bn c th chn cc i tng saukhiclick CircularSketchStepandRepeat .)Tncc i tngsketch c chn xut hin trong hp Items to repeat. 3. Di Arc: Trong hp Radius, t mt gi trbn knh. y l kho ng cch t tm ca dy n tm hoc im c chn trn cc i tng. Nu bn chn kim Fixed, gi trRadius hin th nh mt gi tr c nh khi dy hon tt. Xem Constrain Spacing and Fixed Options. Trong hp Angle, t gc . y l gc o ttm cc i tng c chn n tm dy. 4. Di Center: Bn c thnh vtm dy bng cch nh p cc gi tr toX v Y cho im tm. - hoc Bn c th ko im tm ca dy n v tr bn mun. 5. Di Step: Trong hp Number, t tng s instance, k c sketch gc. Nukhngchn hp Equal: Trong hp Spacing, t gc gia cc instance.Trong trng hpny, b nc th chnkim Constrainspacing.Xem ConstrainSpacingandFixed Nuchn hp Equal:Trong hp Totalangle, tgcgiainstance u tin v cu i cng c a dy. Click Reverse Rotationi hng quay ca dy. 6. Nu nhp cc gi tr trong nhng hp Radius, Angle, X hoc Y, Number, Spacing,hoc TotalAngle, bn cnclick Previewxempreview ca dy. Sau , bn c th tr li iu chnh cc gi tr v li click Preview. Options. 7. 8. Bn c th ko mt trong cc im c chn dt bn knh, gc v vtr gia cc instance. Bn c th xo mt instance trc hoc sau khi hon t t to dy. Xo mt instance khi dy: Lu rng mi instance c m t trong hp Instances bng mt s ch th v tr ca n. Chn s vtr anvnhn Delete.Instancebin mtv s vtr canchuyn n hp Instances deleted. a li mt instance vo dy: Chn s v tr trong hp Instances deleted v li nhn Delete. Instance ny tr li v s v tr c a v hp Instances. 9.Click OKhon tt vic to dyc c i tng sketch.

Sa i mt dy Sketch thngTrc khi sa i mt dy thng, mt kinh nghim hay l nn th m cc t ng quan hoc kch thc i vi nhng feature ban u ca dy.

35

Sa i dy Sketch thng:1.Right-click dy sketch v chn Edit Sketch.

2.

thay i s lng instance, chn mt instance v click Tools, Sketch Tools, Edit Linear Step and Repeat. - hoc -Right-click mt instance v chn Edit Linear Step and Repeat.

3.Thay i Number ca instances trong mt hoc c hai hng v click OK. Ngoi ra, b n c th sa i dy b ng cc cch sau: Ko mt im hoc nh ca mt instances. Thay i gc c a dy bng cch double-click kch thc gc v thay i gi tr trong hp thoi Modify. Ly cc kch thc v thay i gi tr ca chng trong hp thoi Modify.Gn cc tng quan cho cc instance.

Chn v xo tng instance.4.Thot sketch hon tt dy mi.

Sa mt dy Sketch trnTrc khi sa i mt dy thng, mt kinh nghim hay l nn th m cc t ng quan hoc kch thc i vi nhng feature ban u ca dy. Sa i mt dy sketch trn:1.Right-click dy sketch v chn Edit Sketch.

2.

thay i s lng instance, chn mt instance v click Tools, Sketch Tools, Edit Circular Step and Repeat. - hoc - Right-click mt instance v chn Edit Circular Step and Repeat t menu tt.

3.Thay i Step, Number v click OK. Ngoi ra, b n c th sa i dy b ng cc cch sau: Double-click kch thc gc v thay i gc trong hp thoi Modify.Ko tm ca dy n v tr mi.

Thay i chiu quay ca dy nh vic ko instance ca dy bng tm hoc mt nh ca n. Thay i bn knh dy bng cch ko instance u tin bng tm hoc mt nh ca n raxa hoc li gn tm dy. Chn v xo tng instance.4.Thot sketch hon tt dy mi.

Hnh cu trcBn c th chuyn i cc ng cong sketchtrong mtsketch hoc draw ing thnhhnh c u trc.Hnh cu trc ch dng h tr cho vic to cc i tng sketch v cc hnh m cu i cng sc sp nhp vo part. Hnh c u trc c b qua khi sketch to thnh mt feature. Chuyn i cc i tng sketch trong mt drawing thnh hnh c u trc: Chn mt hoc nhiu i tng sketch trong mt drawing v lm mt trong s: Chn For construction trong Bng thuc tnh. Click Construction Geometrytrn thanh cng c Sketch Tools.

Click Tools, Sketch Entity, Construction Geometry. Chuyn i cc i tng sketch trong mt sketch thnh hnh cu trc: Chn mt hoc nhiu i tng sketch lm mt trong s: Chn For construction trong Bng thuc tnh. Click Construction Geometry 36trn thanh cng c Sketch Tools.

Bng thuc tnh PolygonBng thuc tnh Polygon kim s ot c c thuc tnh sau trong khi ang v mt a gic: Relations Information Options Chn kim For construction convert i tng thnh construction geometry. Parameters Chn Inscribed circle hoc Circumscribed circle. Bn c th xc nh s kt hp thch hp bt k ca cc tham s di y nh ngha mt agic. Khi bn thay i mt hoc nhiu tham s, cc tham skhc c p nht tng. - thng tin tr ng thi Read-only (Under Defined, Fully Defined, )

Number of sides Center X Coordinate Center Y Coordinate Circle Diameter ng knh ng trn ni tip hoc ngoi tip Angle gc quay New Polygon Click New polygon to a gic khc tr c khi ng Bng thuc tnh.

Cc tng quan tngXc nh cc t ng quan hnh hc tng trong khi bn ang v. bt tnh nng to tng quan tng nh mc nh h thng: Click Tools, Options, v chn Sketch trn nhn System Options. Kim Automatic relations. Tt bt tnh nng to tng quan tng cho ti liu hin thi: Click Tools, SketchTools, AutomaticRelations. Mt dukim cnh mcmenunghaltnh nngny c bt khi bn v. Khi bn v, con tr thay i hnh d ng biu din tng quan c thc to. Khi Automatic Relations bt, cc tng quan c a vo. Horizontal Vertical Coincident Midpoint Intersection

Perpendicular

Tangent

Mo: Tia dng nu ch th tng quan sc gn tng, tia xanh cho bit khng to ra tng quan no.

37

Automatic SolveXc nh SolidWorks c tnh ton gii hnh dng sketch ca part khi bn to n hay khng. tt bt chc nng tnh ton tng: Click Tools, Sketch Tools, Automatic Solve. Mt du kim cnh mc menu ngh a l ch c nng ny bt. Lu : Khi ang thay i nhiu kch thc trong mt sketch, bn c th tm thi tt Automatic Solve.

Cc tia dng tngBn c th tt cc tia d ng t ng trong khi ng chnh sa mt sketch hoc ang vtrong ti liu drawing. Nu ttcc tiadng tng, bn skhng c n dng c n tt c cc cnh ca m hnh vcc i tng sketch kch hot hoc khng kch hot. Vic tt cc tia dng trong mt sketch hoc drawing phc tp c th ci thin tc v trnh to ra nhng tng quan khng mong mun. Tt cc tia dng tng: Click Tools, Sketch Tools, Automatic Inferencing Lines tt cc tia dng tng. Trong cc drawing, bn phi kch hot cc tia dng cho cc i tng sketch hin thi. Bn cng phi kch hot cc tia dng cho tng i tng mi bn ang v. Bt cc tia dng cho m t i tng trong mt drawing: 1.Click mt cng c v, nh l Line . 2.Di chuyn con trln trn i tng bn mun dng n. Mu ca con tr chuyn thnh da cam khi tia dng c kch hot cho i tng ny. 3. Vi tng mi vi cc tia dng ti tng c kch hot. Bt cc tia dng cho cc cnh ca m hnh: 1. Msketch trn mt b mt phng ca m hnh.

2.Click mt cng c v, nh l Line. 3.Di chuyn con trln trn cnh ca m hnh kch hot n. Nu m hnh l khi tr, tm s xut hin nh mt ch thp en. V d: dngtheo tm mt khitr, chn mtcng c vvkchho tcc c nh ca khi trny. Sau , bn c th dng n tm ca n.

Li dngDng li sketch theo cnh m hnh bn chn. 1. Msketch trn mt b mt m hnh.

2.Click Tools, Sketch Tools, Align Grid. 3.Click cnh ca m hnh m bn mun dng. 4.Click Apply p dng s thay i. Li v chuyn n dng theo cnh bn chn v gc c t ti mt cnh, gn ch bn va click. 5.Click OK xc nhn thay i v ng hp thoi. hoc - Click Close ng hp thoi. Nu trc , bn click Apply, s thay i sc lu; nu bn khng click Apply, hp thoi ng m khng c s thay i. Xem thm Grid and Snap.

Tch ri cc phn tkhi koCho php b n tch ri mt phn t (ng thng, cung trn, ellipse, hc spline) ra khi cc i tng khc

gn vi n trong khi v, nu cc hi n th v tng quan khng ngn chn iu ny (xem ghi ch di). 1. Nu bn angc mtcng csketch ckch hot, click li cng c ln na tt n i hoc click Select trn thanh cng c Sketch trc khi tch cc phn t sketch.

2.Click Tools, Sketch Tools, Detach Segment on Drag. 3.Chn i tng bn mun tch v ko n n v tr mi. 38

i tng ny c tch ra khi cc i tng m n c g iao im chung. Lu :Detach Segment On Drag khng xo cc tng quan m i tng sketch c thc, v th, c kh nng i tng ny skhng tch ra c hoc khng th ko mt cch uyn chuyn. Nu xy ra trng hp , bn hy xo cc tng quan trc khi tch i tng. (Xem Hin th/Xo cc tng quan.)

Override Dims on DragCho php bn thay i cc kch thc bng cch ko cc i tng sketch. Cc kch th c sketch cp nht khi ko xong. Chng v n l cc kch thc iu khin v cp nht trong assembly v drawing.

Thay i cc kch thc bng cch ko: 1. Nu bn ang c mtcng c sketch c kch hot, click tt n i (click li cng c ln na) hoc click Select trn thanh cng c Sketch trc khi ko cc phn t sketch.

2.Trong mtpart,sketch,assembly,hocdrawing,click Tools,SketchTools,OverrideDimson Drag. Khi Override Dims on Drag c du kim bn c nh, bn c thko cc i tng sketch v cc kch thc s tng cp nht trong part, assembly v drawing. 3.Click Rebuild hoc Sketch ti lp part v thot sketch.

Khp kn Sketch i vi ModelKhp kn m t

sketch c profile m bng cc cnh m hnh c sn.

S dng mt profile m extrude bng cc cnh m hnh: 1. 2. 3. M mt sketch trn mt b mt ca m hnh. V mt profile mc cc im mt ti p xc v i cc c nh m hnh trn cng ng bao ca b mt. Click Tools, Sketch Tools, Close Sketch to Model . Hp thoi Close Sketch with Model Edges xut hin. Lu rng c mt mi tn ch hng skhp. (Extrude s trong hoc ngoi sketch, nh minh ho.) 4. 5. 6. 7. Click hp Reverse direction, nu cn. Click Yes khi mi tn chng hng, click Nothot hp thoi. Click Extruded Boss/Base hoc Insert, Boss, Extrude, hay Extruded Cut hoc Insert, Cut, Extrude v xc nh End Conditions trong hp thoi Extrude Feature (hoc hp thoi Extrude Cut Feature.) Click OK extrusion.

Cc kch thc v tng quanCc kch thcBn ly kch thc cc i tngsketch vcc i tngkhc bngcng cDimension. kiu ca kch thc cxc nh bi cc i tng bnclick ln. Vi mt s kiukchthc (im-im,gc,cung trn), ni bn t kch thc cng quyt nh kiu kch thc. Bn c thko hoc xo mt kch thc trong khi cng c Dimension ang kch hot. Ly kch thc cho mt sketch hoc drawing: 1.Click Dimensiontrn thanh cng c Sketch Relations, hoc Tools, Dimensions, hay right-click

v chn Dimension. Kiu kch thc mc nh l Parallel (song song).Tuy nhin, b n c th chn mt kiu kch thc khc ttrnh n tt. Nu bn ang chnh sa mt

sketch, bnc thchn OrdinateDimension, HorizontalDimension hoc VerticalDimension. Nu bn ang chnh sa mt hnh dra wing, b n c c c tu chn Baseline Dimension, Horizontal Ordinate Dimension, hoc Vertical Ordinat Dimension. Cc la chn ny cng c trong trnh n Tools, Dimensions.2.Click ln cc mc ly kch thc, nh trong bng di.

3.

Nu bn khng chn mt kiu kch thc trong trnh n tt, hy di chuyn con trra v xem xt kchthcpreview.Khi bndichuyncontr, kch thc s bttheo hng gnnht.Khi hnh preview ch thng kiu kch thc bn mun, bn c th right-click cht kiu ny li. 39

4.Click ln na t kch thc.

ly kch thcChiu di mt cnh hoc on thng

Click lnChiu di mt cnh hoc on thng .

Ch

Gc gia hai ng thngHai ng thng hoc cnh thng ca m hnh. Khong cch gia hai ng thng Khong cch t mt im n mt ng thng Hai ng thng hoc cnh song song. im v ng thng hoc cnh ca m hnh .

Vtr k ch thc nh hng n gc c o.

Khong cch gia hai imHai im.Bn knh ca

Mt trong cc im c th l mt nh ca m hnh.

cung trn

Cung trn. Cung trn, ri hai mt.

Chiu di cung trn ng knh ng trn Khong cch khi mt hoc c hai i tng l cung hoc ng trn

Chu vi ng trn. Tm hoc chu vi cung/ng trn v i tng khc (ng thng, cnh, im...)

Kiu hin th tu thuc v tr t kch thc. Theo mc nh, khong cch c o ttm cung/ng trn, ngay c khi bn chn chu vi.

Cc tng quan hnh hcClick Add Relationstrn thanh cng cRelations, hoc click Tools, Relations, Add to cc tngquan hnh hc (nh l tip tuyn hay vung gc) gia cc i tng sketch, hoc gia chng v i c c mt

phng, ng tm hoc nh. Khi tocc t ngquan,tnhtphic mt mc l i tngsketch.Cc mckhccth cng l i tng sketch hoc mt cnh, b mt, nh, gc, mt phng, ng tm, hoc ng cong ca sketch khc c hnh dng nhng thng hoc cung trn khi chiu ln mt phng sketch ny. Cc t ng quan hnh hc cng c thc to tng. Xem Cc tng quan tng.

Gn cc tng quanHpthoi AddGeometricRelations chnnhng tngquan mc nhtrn c scchnh d ng c ch n v ch th bng mt chm en trong nt radio. Cc tng quan c t trc c nh du bng nt radio m. Cc tng quan khng thch hp skhng kh dng. To mt tng quan: 1.Click Add Relationtrn thanh cng c Sketch Relations, hoc click Tools, Relations, Add.

2.Trong mt sketch, chn mt hoc nhiu mc. i vi nhiu kiu tng quan, bn c th chn trn hn hai mc. t nht phi c mt mc l i tngsketch. Cc mc khc c th cng l i tng sketchhoc mt cnh, b mt, nh, gc, mt phng, ng tm, hoc ng cong ca sketch khc vn c hnh dng nhng thng hoc cung trn khi chiu ln mt phng sketch ny. Cc mc bn chn hin th trong hp Selected Entities. loi mt mc, click n ln na. b tt c cc mc, right-click trong vng ho v chn Clear Selections. 3.Chn kiu tng quan bn mun gn ri click Apply. Xo b tng quan: Click Undo hu tng quan bn va gn. Tt chc nng gn tng quan: Click Close. Bng cc t ng quan hnh hc Tng quan Horizontal hoc Vertical Chn Mt hoc nhiu ng thng Hai hoc nhiu im. Kt qu Cc ng thng trthnh nm ngang hoc thng ng (xc nh theo mt khng gian sketch hin th i). Cc im c dng nm ngang hoc thng ng.

40

Collinear Coradial Parallel Tangent

Hai hoc nhiu ng thng. Hai hoc nhiu cung trn. Hai hoc nhiu ng thng. Mt cung trn, ellipse, hoc spline v mt ng thng hoc cung trn. Hai hoc nhiu cung trn, hoc mt im v mt cung trn.

Cc mc ny s nm trn mt ng thng ko di. Cc mc ny s ng tm v cng bn knh.

PerpendicularHai ng thng.

Hai mc ny s vung gc vi nhau. Hai mc ny s song song vi nhau. Hai mc ny s tip tuyn vi nhau.

Concentric

Cc cung sng tm.

Midpoint Intersection Coincident Equal Symmetric

Mt im v mt ng thng.The point remains at the midpoint of the line. Hai ng thng v mt im. im ny sthnh giao im ca hai ng thng. Mt im v mt ng thng, cung trn hoc ellipse. Hai hoc nhiu ng thng. Hai hoc nhiu cung trn. Mt ng tm v hai im, ng thng,cung trn, hoc ellipses. Mc bt k. im ny s n m trn ng thng, cung trn hoc ellipse. Cc ng thng di bng nhau. Cc cung trn bn knh bng nhau. Cc mc ny s cch u ng tm trn mt ng thng vung gc vi ng tm ny.Kch c

Fix

v v tr ca mc sc cnh. Tuy

nhin, cc im mt vn t do di chuyn dc theo hng ng ko di t i im .

Pierce

Mt im sketch v mt ng tm, cnh, ng thng, hoc spline.

im sketch ny s ni m ng tm, cnh, ng thng, hoc spline xuyn qua mt phng sketch. Hai im nhp thnh mt im n.

Merge PointsHai im sketch hoc im mt.

Lu : Khi bn gn mt tng quan n mt on thng, tng quan ny c tnh cho ng thng ko di v t n, khng chi vi phn on thng c v hay cnh m hnh c tnh ch t vt l. Do , mt s i tng skhng c s tip xc c th nh bn tng. Tng t, khi bn to mt tng quan n mt phn cung trn hay elliptical, tng quan ny c tnh cho c cung y . Cng th, nu bn to tng quan n mt i tng khng n m trn mt phng sketch, kt qu ca tng quan c p dng cho hnh chiu ca n ln mt phng ketch. Cc tng quan sc gn tng nu bn s dng cc cng c Offset Entities v Convert Entities.

Cc trng thi hnh hc

Sketch

Fully defined mu en. Cc kch thc v tng quan y v chnh xc. Underdefined muxanhblue.Cckchthcv tngquanchahontonxc nh,cc ng nt ny v n c th thay i hoc di chuyn bt ng. Over defined mu . Hnh dng ny b cng ch bi qu nhi u kch thc v/hoc tng quan. Dangling munu,nt t.Chp dng i vi mt i tngsketch c tng avo sketch trong v tr bit ca m hnh l lng. Not solved mu hng. Vtr h nh hc ny khng th xc nh c bng cc cng ch hin thi. Invalid mu vng. Hnh d ng khng hp l khi sketch c gii.

Cc trng thi ca kch thc hoc tng quan trong SketchCc kch thc

hoc tng quan ca sketch c th c nhng trng thi sau:

Dangling -- mu nu, nt t. Mt kch thc l lng khng xc nh c (c th l kch thc ly n mt i tng bxo). Satisfied mu en. Mt kch thc c xc nh hon ton v ph hp. 41

Over Defining mu . Kch thc hoc tng quan ny lin quan n trng th i siu nh v ca mt hoc nhiu i tng. Not Solved mu hng. Kch thc hoc tng quan ny khng c kh nng xc nh v tr ca mt hoc nhiu i tng sketch. Driven mu xm. Gi trkch thc ny c quyt nh khi gii sketch.

Cc Sketch hon ton xc nhCc sketch c th mt trong nm trng thi di y. Trng thi ca sketch hin th trong thanh trng thi

di y ca s SolidWorks. Fully Defined Tt c cc ng thng v ng cong trong sketch v v tr ca chng u c xc nh bi cc kch th c v/hoc c c tng quan. Over Defined C nhng kch thc v/hoc tng quanxung t hoc tha. xemv loi b cc tng quan xung t, xem Hin th/Xo cc tng quan. Under Defined -- Mt skch thc hoc tng quancha xc nh v c th thay i t do. Bn c thko cc im mt hoc cc ng thay i hnh dng sketch. NoSolutionFound --Sketchkhnggii c.Hnh dng,cc tngquanvkchthc cntr vic gii sketch s hin th. Invalid Solution Found -- Sketch khng gii c d vn c kt qukhng hp l, nhng thng c chiu di bng khng, cung trn c bn knh b ng khng, ho c spline t giao. Vi ng dng SolidWorks, khng bt buc phi ly y cc kch thc hoc xc nh hon ton cc sketch trc khi bn dng chng to ra cc feature. Tuy nhin, bn phi xc nh hon ton cc sketch ny trc khi bn c th coi rng part c hon tt. NOTE: Nu bn mun ch s dng cc sketchhon tonxc nh, bn c th t tuchn ny ti Tools, Options v chn nhn System Options. Trong mc Sketch, click Use fully defined sketches.

Hin th/Xo cc tng quanVi Display/Delete Relations , bnc th xemcc tng quan ca tt c cc i tngtrong mt sketch hoc bn c th chxemcc tng quan ca mt i tng sketchxc nh. Nu sketch trthnh "over defined" hoc "not solved," dng Display/Delete kim tra v xo cc tng quan khng cn thit.Xem v/hoc xo cc t ng quan:

1.Click mt i tng sketch m bn nghi ng. Nu bn khng chn i tng no, tt c cc tng quan trongsketch ny sc lit ktrong hp thoi. S dngcc mi tn chn ln lt, tun hon, tng i tng sketch c nhng tng quan bt k. khng chn cc i tng ny, right-click trong vng ho v Clear Selections. 2.Click Display/Delete Relations hoc Tools, Relations, Display/Delete. Trang Relations ca

hp thoi Display/Delete xut hin cho bit c bao nhiu tng quan c p dngvcho php bn xem hoc xo nhng tng quan ny. 3. xc nh phm vi hin th cc tng quan, chn trong hp Display Relations By: Entity, nu bn mun ch hin th cc tng quan ca nhng i tng c chn Criteria, nu bn mun hin th tt c cc tngquan trong ton bsketchph hp vi tiu chun m bn chn t danh mc xung. V d, bn c th chn Dangling lit k tt c cc tng quan l lng trong sketch. 4.Click hoc xem ln lt tng tng quan, nucnhiu tng quan.Khi mi tng

quan hin th, cc i tng sketch lin quan c pht sng v tr ng thi c hin th. Cc trng thi ny c th l Dangling, Satisfied, Over Defining, hoc Not Solved. Ngoi ra, chng cng c th l Broken hoc Locked nu cc tngquan c to trongng cnh ca mt assembly. Xem Kho v ph vcc tham chiu ngoi. 5. Bn c th kim Suppressed chn hoc hu chn tng quan hin thi. 6.Click Delete xo tng quan hin thi; click Delete All xo tt c cc tng quan i vi i tng ny. 42

Lu : Nu Allc chn trong hp Criteria, click DeleteAll sxo ton b cc tng quan c trong sketch. hon tc mt thao tc bn va thc hin, click Display/Delete Relations -- Entities. Bn c th tip tc hin th cc tng quan cho nhng i tng khc trong sketch. Hp thoi ny vn m cho n khi bn ng n. .Thngtinthm vcc i tng b li,hoc thayth mt i tngsketch,clicknhn

Scan EqualKim tra mt sketch tm nhng phn tc chi u d i v/ho c bn knh bng nhau, y cng l mt cch t tng quan Equal gia cc phn tsketch c cng chi u di hoc bn knh. Xc nh bn knh v chiu di bng nhau: 1.Trong mtsketch,click ScanEqual Relations, Scan Equal. Nu cc phn t sketch hin ti m bng nhau, cc nt tng ng sc kch hot. (V d, nu hai hoc nhiu ng thngdi bng nhau, Length sc kch hot; nu hai hoc nhiu cung trn c bn knh bng nhau, Radii sc kch hot; nu mt cung trn c bn knh bng chiu di mt on thng, Both sc kch hot.) 2. xem cc phn t sketch bng nhau, click mt nt kch hot. Cc phn t bng nhau cng kiu nh nt bn click spht sng trong sketch. Hp Value s hin th chiu di hoc bn knh. Hp Line Count hoc Arc Count s hin th s lng cc phn t bng nhau. 3. Nu c nhng tp hp b sung ca cc phn t bng nhau trong cng mt kiu, nt Find Next s kch hot. pht s ng nhng tp hp bsung ny, click nt Find Next.trnthanhcng cSketchToolshocclick Tools,

4.Click Set Equal, nu bn mun to mt tng quan Equal gia cc phn tpht sng. 5.Click Close.

SplineSplineTo cc ng cong phc tuyn: 1.Click Spline chuyn thnhtrnthanhcng cSketchTools,hoc Tools, SketchEntity, Spline.Contr

.

2.Nhn chut v ko ra phn t th nht. 3.Nhn ln im mt ny v ko tip ra phn t th hai. 4. Lp li cho n khi hon thnh. Lu : Nuchnphng phplintip Alternatesplinecreation,click ln ln lt tng im through to spline, sau double-click khi v xong spline.Xem thm Sketch Options v tu chn Alternate spline creation.

5.Chn cc im v dng Add Relations

xc nh cc tng quan gia cc im, nu cn.

Bn c th xc nh cc t ng quan Perpendicular v Tangent cho cc im xuyn qua trn mt spline. Bn c th gn tng quan Tangent gia cc im mt spline v im mt mt cung trn, mt ng thng, mt parabola, hoc spline khc. Sa li hnh dng spline: 1.Click Select trn thanh cng c Sketch. 2.Click ln spline; cc handle xut hin trn cc im xuyn qua v c c im mt phn t.3.Ko cc handle ny sa li hnh dng spline.

43

4. 5.

Bn cththm btcc imxuynquaspline htrhnh dng spline. Right-click spline v chn Insert Spline Point hoc click Tools, Sketch Tools, Insert Spline Point. Bn c thchn mt moving frame dc theo ng spline chnh sa hnh dng ca n.

Thay i thuc tnh mt spline v lm cho n c t l: 1.Right-click spline hoc mt im ca n v chn Properties. Bng thuc tnh Spline xut hin. 2. thay i spline ny thnh mt spline t l, kim Proportional. Spline t lMt spline mi to skhng c t l theo mc nh. B n c th thay i hnh d ng bng cch ko m t im spline hoc im mt. Mt spline t li s ginguyn t l hnh d ng khi b n k o c c i m mt; ton b spline s thay i h nh dng m t cch cn i. B n c th gn c c k c h th c v tng quan cho cc im ni b trong cc spline t l.

3.

Sa i t l ca spline theo yu cu.

Simplify SplineBn c th gim sim spline bng cch xc nh mt sai sthch hp. Mt hnh previe w c a spline hin th trc khi bn quyt nh thay i. Lu : S dng Simplify Spline tng tc thc hin m hnh c nhng spline phc tp. n gin ho mt spline: 1.Right-click spline v chn Simplify Spline, hoc click Tools, Sketch Tools, SimplifySpline. 2.Nhp mt gi trcao vo hp Tolerance v click Apply. Hp Number of spline points sbo co sim trn spline gc v trn ng cong n gin ho.3.Quan st hnh preview ca spline. Nu cn, tng gim gi tr trong hp Tolerance v li click Apply.

4.Khi hi lng vi hnh dng spline v s lng im gim c, click OK.

Insert Spline PointThm nhi u im vo spline. Bn c th :

Dng cc im spline nhcc handle ko spline c hnh d ng bn munGn cc kch thc gia cc im spline hoc gia cc im ny v cc i tng khc Gn cc tng quan i vi cc im spline Chn cc im spline:

1.Right-clickspline(trongsketch)vchn InsertSplinePoint, hoc click Tools, Sketch Tools, Insert Spline Point. Con tr hin th mt biu tng spline 2. .

Click mt hoc nhiu chtrn spline, nhng ni bn mun chn cc im.

Xo cc im spline:

Chn mt im v nh n phm Delete. Lu :gn cc tng quan hoc kch thc n cc im trong spline, spline khng c t l; y l mc nh. Nuspline bn angl ml t l,right-clicksplinenyvchn Properties.Hukim Proportional.

Moving FrameKhung di chuyn moving frame cho bn cch iu chnh trc tip mt spline m khng cn phc tp ho n bngcchthm c c imvosplineny. Bn cth s dngmoving frame trong mttiliuparthoc drawing. Khung di chuyn ny kh dng vi cc spline 2D hoc 3D . Lu : Khung di chuyn c th s dng vi cc spline c to trong SolidWorks m bn c th sa i. N khng dng c vi cc spline import hoc chuyn i. 44

a mt moving frame vo spline: Right-clicksketchsplinevchn MovingFrame t menu tt. Bncth dngmovingframetrongcccnh sau:

Komovingframe bngcc imframe di chuyn n dc theo spline n ni bn mun t n.

Koccframehandle thay ihnh dng spline. Chn mtframevthay icctoXvY ca imframe bngcchnh pccgitrvo Bng thuc tnh.

athmnhi umovingframevo mtspline,lmcho nckh nngkimsot cong ca splinenhng nikhngccc impoints. Ch cnhngframehotholhinthy .

Nhng framekhchinthnhnhngtamgic nh hngrangoi ngcong, nichng ng. Khi s dng kt hp vichc nng Inspect Curvature,handletm c a mimovingframe c lin k t vicomb.Xem Curvature Evaluator.

Lu : Nu bn khng c Bng thuc tnh kh dng, right-click spline, hoc mt trong cc im ca n v chn Properties. Xem Frame Point -- PropertyManager hoc Frame Point 3D -- PropertyManager .

nh gi cong cho cc SplineCng cnh gi cong cung cp s phn hi biu kin vnghing v cong ca spline. Bn c th dng c ng cny trong t i liu part hoc drawing. nh gi cong mt spline: 1.Trong mt sketch, click Select v right-clickspline. ( dngcurveevaluator vinhiu ngcong,giCtrl trong khiright-click nhiu ng cong.) 2.Chn InspectCurvature tmenu tt. Mt comb xut hin hin thcc ch cong ca spline. Cc vtr comb ct qua spline l nhng im cong. Khi bn ko spline, comb s thay i ng. 3. tt comb, right-click spline ln na v chn Remove Curvature Information.

3D SketchingS dng SolidWorks, bn c th to c c phc ho 3D. Bn c th dng cc phc ho3D lm ng dn cho sweep, guide curve cho loft hoc sweep, ng tm cho loft, hay i tng key cho mt hng. bt u mt phc ho 3D, click 3D Sketchtrn thanh cng c Sketch, hoc click Insert, 3D Sketch.

Mt space handle sgip b n nh hng trong khi vtrn mt s mt phng. Mo: Trc khi bt u v3D, hy chuy n sang cng nhn Isometric ddng to phc ho 3D do thy c tt c cc hng X, Y v Z. 45

Cc cng c kh dng trong phc ho3D l:

Line to cc ng thng. Spline to cc splines. Point to cc im. Centerline to cc ng cu trc. Convert Entities to cc i tng trongphc ho 3D bng cch chiu mt cnh, loop (nhm cnh lin tip khp kn), b mt, ng cong ngoi, sketch contour ngoi, nhm cc cnh, hoc nhm c c ng cong ngoi ln mt phng v. Face Curves to ra cc ng cong 3D iso-parametric (ng bin) t cc b mt hoc mt. Fillet lm trn giao im ca cc ng phc ho. Sketch Chamfer vt gc cc ng phc ho giao nhau. Intersection Curve to mt ng cong sketch ti giao tuyn. Trim xn ta hoc ko di m t i tng sketch trong phc ho 3D. Extend ko di mt i tng sketch trong phc ho 3D. Construction Geometry chuyn i cc ng cong sketch trong phc ho3D thnh cc ng cu trc. Khi bn v mt ng thng, n s bt vo mt hng chnh X, Y, hoc Z, nu thch hp v bp theo t ng hng ring