Huong Dan Su Dung Model WBH - Ban Tieng Viet

2200D3NE-WBH2006.3. n hnh ln u: thng Ba, 2006

MYCOMS TAY S DNGMy nn MYCOM sri WBH

S tay s dng ny c bin son nhm gii thiu chi tit cu to h thng, quy trnh tho v lp My nn MYCOM sri WBH. m bo an ton, vui lng tham kho cn thn s tay ny trc khi thc hin tho, lp h thng. My nn MYCOM sri WBH l th h my nn tin tin trong dng sn phm W (WB). S tay ny ch gii thiu nhng c im ca sri WBH. Vic kt hp tham kho s tay ny v S tay s dng My cp ng MYCOM sri W s gip ch hn cho vic nm vng h thng.

Vui lng gi li s tay tham kho sau ny

2006 MAYEKAWA MFG.CO.,LTD. All Rights Reserved

2200D3NE-WBH2006.3. n hnh ln u: thng Ba, 2006

Li ni uXin cm n Qu khch hng t mua My nn MYCOM sri WBH ca chng ti (k t y xin gi tt l h thng). s dng h thng lu di v an ton, vui lng tham kho cn thn S tay s dng ny (k t y xin gi tt l s tay ny) trc khi thc hin vic tho, lp h thng.

Tun th cc du hiu cnh bo trong s tay. S tay ny cung cp thng tin v cu to, quy trnh tho, lp h thng. S tay ny c bin son dnh cho nhng ngi khng ch c kinh nghim vn hnh, iu chnh m cn am hiu v kim tra v bo tr h thng. Ch nhng ai p ng c nhng iu kin trn mi c php thc hin vic tho, lp h thng vi s tr gip ca s tay ny. Ni dung trong s tay ny khng c xem l mt iu khon ca hp ng cng nh khng c dng chnh sa, thay i cc tha thun, cam kt, rng buc k kt. Nghim cm sao chp, chuyn giao bt k phn no hoc ton b s tay ny m khng c s ng bng vn bn ca Tp on Mayekawa. My nn MYCOM sri WBH l th h my nn tin tin trong dng sn phm W (WB). S tay ny ch gii thiu nhng c im ca sri WBH. Vic kt hp tham kho s tay ny v S tay s dng my cp ng MYCOM sri W s gip ch hn cho vic nm vng h thng. Trong trng hp lm tht lc hay h hng s tay ny, vui lng lin h MAYEKAWA hay cc i l ca chng ti yu cu mt bn sao mi. S tay ny phi i km vi h thng khi chuyn giao. H thng c th b thay i m khng c bo trc. V l do ny, ni dung trong s tay ny c th khc bit i cht so vi thc t hot ng. Vui lng lin h MAYEKAWA hay cc i l ca chng ti nu pht hin bt k im nghi vn no khi s dng. Vui lng lin h MAYEKAWA hay cc i l ca chng ti nu Qu khch hng c bt k thc mc no v s tay ny v/hoc h thng.

Ni dung ca s tay ny c th b thay i m khng cn bo trc.

2006 MAYEKAWA MFG.CO.,LTD. All Rights Reserved

2200D3NE-WBH2006.3. Mc lc

MC LCChng 11.1

M u............................................................ 1-1 An ton ........................................................... 2-1Mc nguy him ............................................................................. 2-1 Tn thng nghim trng & tn thng nh................................ 2-2 Du hiu............................................................................................. 2-3

Cc quy c trong s tay .......................................................................... 1-1

Chng 22.1 2.1.1 2.1.2 2.1.3 2.2 2.3

Nguy him, cnh bo, thn trng.............................................................. 2-1

Nhn cnh bo ............................................................................................ 2-3 Thi b ......................................................................................................... 2-3 2.3.1 2.3.2 Thi b mi cht lnh, du c v cc cht tiu hy c................. 2-3 Thi b ton b h thng ................................................................... 2-3

Chng 33.1 3.2

Tng quan h thng ...................................... 3-1

Tng quan.................................................................................................... 3-1 Cc kiu my ............................................................................................... 3-1

Chng 44.1 4.2 4.3 4.4 4.5 4.6

Nhng ci tin v cu trc ........................... 4-1

V my ......................................................................................................... 4-1 B phn lm kn .......................................................................................... 4-3 chn .......................................................................................................... 4-4 ng ht du ca bm du .................................................................... 4-5 Trc khuu h 8 xylanh mt cp ............................................................... 4-6 Chy khng ti (ty chn).......................................................................... 4-6

Chng 55.1 5.2

Nhng chi tit lm mi ................................. 5-1

Nhng chi tit lm mi............................................................................... 5-1 Nhng chi tit loi b ................................................................................. 5-1

Chng 66.1

iu chnh cng sut .................................... 6-1 ng ng nc gii nhit.......................... 7-1 Danh sch v hnh tho ri cc chi tit....... 8-1

Tin trnh iu chnh cng sut ................................................................ 6-1

Chng 77.1

H thng ng ng nc gii nhit....................................................... 7-1

Chng 88.1

Hnh tho ri ton h thng ...................................................................... 8-1

Mc lc 1


8.2 8.3 8.4 8.5

Hnh tho ri xylanh ................................................................................... 8-2 Hnh tho ri chn................................................................................... 8-3 Hnh tho ri trc chnh.......................................................................... 8-3 Danh sch cc chi tit ................................................................................ 8-4

Chng 99.1 9.1.1 9.1.2 9.1.3 9.1.4 9.1.5 9.2 9.2.1 9.2.2 9.2.3 9.2.4 9.2.5 9.2.6 9.2.7 9.2.8 9.2.9 9.2.10 9.2.11 9.2.12 9.2.13 9.2.14 9.2.15 9.2.16 9.2.17 9.2.18 9.2.19

Tho ................................................................ 9-1Ngt tt c cc ngun in ................................................................ 9-2 Tho x mi cht lnh v du ra khi h thng................................. 9-2 X nc gii nhit.............................................................................. 9-2 Tho ai hoc khp ni ..................................................................... 9-3 m bo dng c cn thit v khng gian lm vic .......................... 9-3 Tho ng ng nc gii nhit....................................................... 9-5 Tho np my .................................................................................... 9-5 Tho l xo an ton ............................................................................. 9-7 Tho cm van x .............................................................................. 9-8 B phn gim ti .............................................................................. 9-10 B gii nhit du v np l quan st................................................ 9-12 Tho cm chi tit xylanh ................................................................. 9-14 Smi xylanh ..................................................................................... 9-16 Pittng v thanh truyn .................................................................... 9-17 Vng gng........................................................................................ 9-18 Np my u trc............................................................................. 9-19 B phn lm kn ............................................................................... 9-20 Bm du .......................................................................................... 9-22 Ko trc............................................................................................ 9-22 u trc chnh............................................................................... 9-23 trc chnh...................................................................................... 9-24 Trc khuu ....................................................................................... 9-25 chn.............................................................................................. 9-27 B lc ............................................................................................... 9-28

Nhng yu cu khi tho............................................................................. 9-2

Quy trnh ...................................................................................................... 9-4

Chng 10 Lp ................................................................ 10-110.1 Danh sch cc loi bulng ...................................................................... 10-2 10.2 Quy trnh .................................................................................................... 10-3

Mc lc 2


10.2.1 10.2.2 10.2.3 10.2.4 10.2.5 10.2.6 10.2.7 10.2.8 10.2.9

chn.............................................................................................. 10-4 Trc khuu ....................................................................................... 10-5 trc chnh v u trc chnh...................................................... 10-6 Ko trc v bm du ....................................................................... 10-7 B phn lm kn v np my u trc ............................................. 10-8 Lp cm chi tit xylanh ................................................................. 10-11 Lp cm chi tit xylanh vo v my............................................... 10-15 iu chnh b phn gim ti .......................................................... 10-20 van............................................................................................ 10-22

10.2.10 Gn b lc v np l quan st ....................................................... 10-24 10.2.11 Chy khng kim tra ................................................................. 10-25 10.2.12 Np my......................................................................................... 10-27 10.2.13 ng ng nc gii nhit............................................................ 10-30 10.2.14 Kim tra ln cui ............................................................................ 10-31

Chng 11 c tnh van u vo v ra ......................... 11-111.1 c tnh van u vo ................................................................................ 11-1 11.2 c tnh van u ra................................................................................... 11-1

Mc lc 3

2200D3NE-WBH2006.3.

Chng 1 M u

Chng 11.1Cc cp tiu

M u

Cc quy c trong s tayCc kiu tiu c s dng trong s tay ny:

Chng XX.1X.1.1Quy c

Tiu chng

Tiu 1Tiu 2Tiu 3

1.2.3

Cc con s th hin th t cc mc.

My nn MYCOM sri WBH

1.1

Cc quy c trong s tay

1-1

2200D3NE-WBH2006.3.

Chng 2

An ton

Chng 2

An ton

Vui lng nm vng nhng du hiu cnh bo quan trng c dng trong s tay ny.

2.12.1.1

Nguy him, Cnh bo, Thn trngMc nguy himH thng c thit k vi u tin hng u l m bo an ton cho cng nhn lm vic v ngn nga h hng pht sinh. S tay ny chia mc nguy him ra ba cp da theo mc thit hi: Nguy him, Cnh bo, Thn trng. Hy c cc ch dn tht cn thn, hiu r chng trc khi vn hnh h thng. Cc du hiu NGUY HIM, CNH BO, THN TRNG theo th t mc thit hi (NGUY HIM > CNH BO > THN TRNG). Xem chi tit di y.

Du hiu NGUY HIM cho bit mi nguy him rt d xy ra v s gy tn thng nghim trng hoc t vong i vi ngi thao tc.

Du hiu CNH BO cho bit mi nguy him c th gy tn thng nghim trng hoc t vong i vi ngi thao tc.

Du hiu THN TRNG cho bit mi nguy him c th gy tn thng nh i vi ngi thao tc.

Du hiu THN TRNG khng c du chm than cho bit mi nguy him c th lm h hng h thng, thit b. [Thng tin hu ch] Cc thng tin hu ch c cung cp khi c mt vn no m ngi lm vic cn bit khi vn hnh, bo tr h thng. Nu c thm nhng vn lin quan n phn vic thc hin, cc thng tin hu ch s c cung cp.

My nn MYCOM sri WBH

2.1 Nguy him, cnh bo, thn trng

2-1

2200D3NE-WBH2006.3.

Chng 2

An ton

2.1.2

Tn thng nghim trng & tn thng nhKhi nim ny miu t nhng tn thng li hu qu nh mt th lc, tn thng phn mm, phng nng, phng lnh, in git, gy xng, nhim c, v/hoc cc tn thng khc yu cu phi c iu tr v/hoc lu tr ti bnh vin.

Tn thng nghim trng

Tn thng nh Khi nim ny miu t nhng tn thng khng cn iu tr v/hoc lu tr ti bnh vin (nhng tn thng khng bao gm tn thng nghim trng nh nh ngha trn).

2.1.3

Du hiuCng vi cc du hiu cnh bo nguy him trn, s tay ny cn s dng hai du hiu di y din t mt cch trc quan nhng thng tin, chi tit quan trng cn tun th.

Du hiu Khng c lm

Du hiu ny cho bit nhng iu khng c lm.

Du hiu Hy lm theo

Du hiu ny cho bit nhng iu hy lm theo.

My nn MYCOM sri WBH

2.1 Nguy him, cnh bo, thn trng

2-2

2200D3NE-WBH2006.3.

Chng 2

An ton

2.2

Nhn cnh boCc nhn cnh bo c gn vo nhng phn ca h thng ni c th xut hin nhng mi nguy him trong qu trnh vn hnh, thao tc. Cc nhn c kch c v mu sc ph hp to s ch ca ngi thao tc. Chng bao gm cc du hiu i km vi li cnh bo.

Khng c tho g hay gch xa cc nhn cnh bo.

Hy xc nh v tr cc nhn cnh bo. c ni dung cc nhn cnh bo tht cn thn v ghi nh chng.

Nu bt k nhn cnh bo no b tho g hay khng cn hin th r rng, hy lin h chng ti hoc cc i l yu cu mt nhn cnh bo mi. Khch hng khng c thay i v tr cc nhn cnh bo. Ch gn cc nhn cnh bo vo ng v tr nhn c khi thay mi.

2.32.3.1

Thi bThi b mi cht lnh, du c v cc cht tiu hy ci vi cc cht thi loi ny, hy lm vic vi cc t chc x l cht thi cng nghip chuyn bit m bo tun th ng lut php v cc quy nh.

2.3.2

Thi b ton b h thngKhi cn thi b ton b h thng, vui lng lin h Mayekawa hoc cc i l ca chng ti c cung cp dch v h tr.

My nn MYCOM sri WBH

2.2 Nhn cnh bo

2-3

2200D3NE-WBH2006.3.

Chng 3 Tng quan h thng

Chng 33.1

Tng quan h thngH thng ny (My nn MYCOM sri WBH) l th h my nn tin tin trong dng sn phm W (WB). Nhng thay i quan trng v cu trc bao gm: Bc bt trc chn trc chnh v cc thnh phn

Tng quan

[Thng tin hu ch] S tay ny ch gii thiu nhng c im ca sri WBH. Vic kt hp tham kho s tay ny v S tay s dng my cp ng MYCOM sri W s gip ch hn cho vic nm vng h thng.

3.2

Cc kiu myH thng chia ra cc kiu sau.Bng 3-1 Cc kiu my

Kiu My nn mt cp My nn n hai cp

Model 4WBH, 6WBH, 8WBH, 8WBHH (Ty chn: 6WBHU, 8WBHU, 8WBHHU) 42WBH, 62WBH

[Thng tin hu ch] Theo c tnh k thut, h thng cn c chia ra da theo loi mi cht lnh s dng. Xem mc 4.5 Trc khuu h 8 xylanh mt cp v 4.6 Chy khng ti (ty chn) trong Chng 4 Nhng ci tin v cu trc, trang 4-6 bit thm v cc kiu my.

My nn MYCOM sri WBH

3.1 Tng quan

3-1

2200D3NE-WBH2006.3.

Chng 4

Nhng ci tin v cu trc

Chng 44.1 V my

Nhng ci tin v cu trcChng ny trnh by nhng ci tin ca sri WBH so vi WB.

V my ca sri WBH c thit k m nhim lun vai tr trc, do loi b chi tit trc ring trong sri WB. (xem Hnh 4-1: Hp my khi ng) B cn bng p t gia v my v bung ht c iu chnh ph hp vi thay i trn. (xem hnh 4-2) Sri WBH khng cn dng lp gii nhit. [Thng tin hu ch] Vic m v lp v my ch c thc hin pha bm du.

Hnh 4-1

Mt ct ngang ca my nn sri WBH

My nn MYCOM sri WBH

4.1

V my

4-1

2200D3NE-WBH2006.3.

Chng 4


Hnh 4-2

B cn bng p thp bng gas

My nn MYCOM sri WBH

4.1

V my

4-2

2200D3NE-WBH2006.3.

Chng 4


4.2

B phn lm knB lm kn mi c dng ch K v L c s dng cho php h thng tng kh nng lm vic m vn m bo yu cu.

Hnh 4-3

B phn lm kn

Bng 4-1

B phn lm kn

STT * 34 35 37 39 41 42 Vng bt Vng dn

Chi tit

S lng 1 1 b 1 1 1 2

Phe hm O (JIS B 2401 P110) Phe hm O (JIS W 1516 G19) ta di ng Phe hm O (JIS W 1516 G27)

* Xem y s chi tit mc 8.5 Danh sch cc chi tit trong Chng 8 Danh sch v hnh tho ri cc chi tit, trang 8-4.

My nn MYCOM sri WBH

4.2 Vng bt

4-3

2200D3NE-WBH2006.3.

Chng 4


4.3

chnTrc khuu c thit k dch v pha bm du ( hnh di l bn tri) khi p sut ht m. Nu p sut ht t ti gi tr dng, trc khuu s dch v pha ngc li ( hnh di l bn phi) to ra lc y dc trc biu th bng hai mi tn nh trong hnh. H thng c cn chnh sao cho phn b v hp th lc y ny bng chn v trc chnh. S iu chnh ny lm cho sri WBH loi b bt ai c hm gi vng m bc bt trc (gip nh v trc khuu tt hn) nh dng trong sri WB.

Hnh 4-4

chn

My nn MYCOM sri WBH

4.3 chn

4-4

2200D3NE-WBH2006.3.

Chng 4


4.4

ng ht du ca bm dung ht ca bm du tri qua nhiu ln ci tin. hnh 4-5, phn mt ct xui v bn phi biu din v my v phn mt ct xui v bn tri biu din u trc chnh. H thng s dng ng ht du mi cho php cc ng ht du gia v my v u trc chnh thng vi nhau ti mt bch c ming m. Ci tin ny tng kh nng chng r ca ng du.

Hnh 4-5

ng ht du ca bm du

My nn MYCOM sri WBH

4.4 ng ht du ca bm du

4-5

2200D3NE-WBH2006.3.

Chng 4


4.5

Trc khuu h 8 xylanh mt cpCc loi vt liu dng cho trc khuu h 8 xylanh mt cp khc nhau ty theo iu kin lm vic. Cc loi vt liu ny chia lm 2 loi, cc vt liu c bn cao c dng trong nhng h thng i hi p sut lm vic ln.Bng 4-2 Cc kiu my

c tnh C cng p sut lm vic nh sri WB p sut lm vic ln 8WBH 8WBHH

Model

4.6

Chy khng ti (ty chn)Cc model 6WBH v 8WBH c kh nng chy khng ti nh mt tnh nng ty chn thm. V tr ng x trong model 6WBH nu c thm tnh nng ty chn ny s khc v tr trong model 6WB. Nu khng yu cu tnh nng chy khng ti, v tr ng x trong model 6WBH v 6WB l nh nhau. i vi model 8WBH, ng x c b tr ging nh model 8WB cho d c thm tnh nng chy khng ti hay khng. K t U dng ch cc kiu my ny. (VD: 8WBHU) Cng tng t i vi sri WB, cc model 4WBH, 42WBH v 62WBH cng c kh nng chy khng ti (ch cp thp i vi my nn n hai cp). [Thng tin hu ch] Tnh nng chy khng ti ch c dnh trong trng hp c bit, v khng c thit k chy khng ti trong khong thi gian di.

My nn MYCOM sri WBH

4.5

Trc khuu h 8 xylanh mt cp

4-6

2200D3NE-WBH2006.3.

Chng 5

Nhng chi tit lm mi

Chng 55.1

NHNG CHI TIT LM MIBng sau lit k nhng chi tit c lm mi trong h thng ny.Bng 5-1 Bng k nhng chi tit lm mi

Nhng chi tit lm mi

STT*1

Chi tit V my Trc khuu u trc chnh Ming m u trc chnh Bulng np (ngn) Bulng np (di) trc chnh Np Vng m kn Bulng np chn chn (kiu B.B) Bc bt trc L xo gim ti

S lng 1 1 1 1 14 2 1 1 1 12 1 1 1 -

Tng thch *2 Khng C Khng Khng Khng Khng Khng Khng Khng Khng Khng Khng Khng C

Ghi ch C hai loi trc khuu h 8 xylanh ng vi hai loi vt liu khc nhau. M16 L55 M16 L110 JIS B 2401 G230 M16 L55 Loi chn S lng thay i ty loi model.

1 2 8 9 10 11 12 26 27-1 28 29 29-1 32 142*1: *2:

Xem y s chi tit mc 8.5 Danh sch cc chi tit trong Chng 8 Danh sch v hnh tho ri cc chi tit, trang 8-4. Kh nng tng thch c nh ngha l mt chi tit lm mi cng c th dng c trong h thng sri WB. Mt khc, kh nng tng thch bo m rng mt chi tit trong sri WB c th c dng trong h thng ny mc d chi tit c lm mi nh bng trn (ng vi C trong ct Tng thch).

5.2

Nhng chi tit loi bBng sau lit k nhng chi tit trong sri WB b loi b trong h thng mi ny.Bng 5-2 Bng lit k nhng chi tit loi b

Chi tit u trc Ming m u trc Bulng u trc ai c hm

S lng 1 1 4 2

Ghi ch

M16 L40 M95 P1.5

My nn MYCOM sri WBH

5.1 Nhng chi tit lm mi

5-1

2200D3NE-WBH2006.3.

Chng 6

iu chnh cng sut

Chng 66.1

iu chnh cng sutHnh sau trnh by tin trnh iu chnh cng sut cho tng model.Bng 6-1 Tin trnh iu chnh cng sut

Tin trnh iu chnh cng sut

K hiu L R ( )

Miu t S ca xylanh S ca cn y b gim ti Vng cam (khuyt tri) Vng cam (khuyt phi) Tin trnh thc hin iu chnh cng sut Dng trong cc model c th chy khng ti

Ghi ch

*

Tin trnh iu khin t y ti n g ti 4WBH c b gim ti trong c bn xylanh m bo gim ti thiu chn ng khi m my. Cng sut lm vic bnh thng trong khong 100 50%.

Hnh 6-1


My nn MYCOM sri WBH

6.1


6-1

2200D3NE-WBH2006.3.

Chng 7

ng ng nc gii nhit

Chng 77.1

ng ng nc gii nhitng ng nc gii nhit khc nhau ty theo phng php: gii nhit qua b gii nhit du hoc gii nhit trc tip. Phng php gii nhit qua b gii nhit du: h thng c thit k dn nc gii nhit qua b gii nhit du ri mi vo cc np my. Phng php gii nhit trc tip: h thng c thit k dn nc gii nhit trc tip vo cc np my.

H thng ng ng nc gii nhit

Hnh 7-1


c tnh C ng ng vo nc gii nhit C ng ng ra nc gii nhit p sut lm vic ti a Nhit hot ng ti a

Thng s 20A 20A Ti a 0.5 MPaG Ti a 50oC

My nn MYCOM sri WBH

8.1


7-1

2200D3NE-WBH2006.3.

Chng 8

Danh sch v hnh tho ri cc chi tit

Chng 88.1


Hnh tho ri ton h thng

Hnh 8-1

Hnh tho ri ton h thng

My nn MYCOM sri WBH

8.1 Hnh tho ri ton h thng

8-1

2200D3NE-WBH2006.3.

Chng 8


8.2

Hnh tho ri xylanh

Hnh 8-2

Hnh tho ri xylanh

My nn MYCOM sri WBH

8.2

Hnh tho ri xylanh

8-2

2200D3NE-WBH2006.3.

Chng 8


8.3

Hnh tho ri chn

Hnh 8-3

Hnh tho ri chn

8.4

Hnh tho ri trc chnh

Hnh 8-4

Hnh tho ri trc chnh

My nn MYCOM sri WBH

8.3 Hnh tho ri chn

8-3

2200D3NE-WBH2006.3.

Chng 8


8.5

Danh sch cc chi titBng 8-1 STT 1 2 3 4 5 6 7 8 9 10 11 12 225 13 14 15 16 22 26 27 27-1 28 29 29-1 226 30 31 32 34 37 35 39 41 42 45 46 47 48 49 50 51 52 53 55 54 56 58 59 60 61 Danh sch cc chi tit (1/3) Chi tit V my Trc khuu Ko trc Then puly Vng m phng puly Vng m vnh puly Bulng puly u trc chnh Vng m trc chnh Bulng np (ngn) Bulng np (di) trc chnh Phe hm O trc chnh Cht trc chnh B lc u trc chnh Vnh m b lc u trc chnh Bulng b lc u trc chnh Van iu chnh p sut du Np my u trc Vng m np my u trc Phe hm O np my u trc Bulng np my chn chn (loi BB) Phe hm O chn Vng m chn Bulng chn B lm kn trc Vng bt trc Phe hm O vng bt trc Vng m dn Phe hm O vng m dn ta di ng Phe hm O ta di ng Np l quan st c l thm du Np l quan st khng c l thm du Vnh m np l quan st Bulng np l quan st Np my loi gii nhit bng khng kh Np my loi gii nhit bng nc Vng m np my Bulng np my Np o nc Vnh m np o Bulng np o Cm chi tit bm du Phe hm O bm du Vng m bm du Bulng bm du Smi xylanh

My nn MYCOM sri WBH

8.5 Danh sch cc chi tit

8-4

2200D3NE-WBH2006.3.

Chng 8 Bng 8-1 STT 62 63 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84U 84L 85 86 87 89 90 100 101 109 110 111 112 113 114 116 117 119 121 122 123 135 142 143 144 145 146 147 149 150 150-1


Danh sch cc chi tit (2/3)

Chi tit Vng cam (khuyt tri) Vng cam (khuyt phi) Vng cch Vng m smi xylanh Phe hm O smi xylanh Cht nng L xo cht nng Cht tch cht nng m van ht L xo m van ht van Vng dn van x Bulng vng dn van x Cm chi tit thanh truyn (cp nn cao) Cm chi tit thanh truyn Bulng ni thanh truyn Vng m ni thanh truyn ai c ni thanh truyn s 1 ai c ni thanh truyn s 2 ng lt u thanh truyn bi kim u thanh truyn (cp nn cao) Vng lt trn Vng lt di Pittng Cht pittng L xo kha cht pittng Vng gng s 1 Vng gng s 2 Vng gng s 3 Vng gng s 4 Khung van x m van x ta van x Bulng ta van x ai c ta van x s 1 ai c ta van x s 2 L xo m van x L xo an ton Mn b lc du Np b lc du Vng m b lc du Bulng np b lc du Cn y b gim ti L xo b gim ti Vng m cn y Bulng cn y Pittng gim ti Np pittng gim ti Vng m np pittng gim ti Bulng np pittng gim ti Vt u chm np pittng gim ti Vng m vt u chm np pittng gim ti

My nn MYCOM sri WBH


8-5

2200D3NE-WBH2006.3.

Chng 8 Bng 8-1


Danh sch cc chi tit (3/3)

STT Chi tit 164 Knh thm du 165 Phe hm O knh thm du 166 B knh thm du 167 Bulng b knh thm du 154 B lc ht Li lc tinh b lc ht * 156 158 L xo b lc ht L xo kha b lc ht * 159 161 Np y ng ht 162 Vng m np y ng ht 163 Bulng np y ng ht 168 Co x 169 Vng m co x 170 Bulng co x 172 Vng m van ngt x 173 Van ngt x 173-1 Bch van ngt x 173B Bulng, ai c bch van ngt x 174 Bulng, ai c ni co v van ngt x 175 Phin lc cn 176 Vng m phin lc cn vi v my 177 Bulng phin lc cn 178 Li phin lc cn 178-1 Li lc tinh phin lc cn 179 Np y phin lc cn 180 Vng m np y phin lc cn 181 Bulng np y phin lc cn 182 Van ngt ht 182-1 Bch van ngt ht 182B Bulng, ai c bch van ngt ht 183 Bulng, ai c ni phin lc cn vi van ngt ht 184 Vng m van ngt ht 185W B gii nhit du (loi lm mt bng nc) 185R B gii nhit du (loi lm mt bng mi cht lnh) 197 Nhit k (ng ra) 199 Nhit k (ng vo) 234 Bch van ni ng np o ca np my gii nhit bng nc 235 Vnh m bch van ni ng np o ca np my gii nhit bng nc 236 Bulng ni ng np o ca np my gii nhit bng nc 205 Van in t JO4140 Na ni ch T (R3/86R3/8) *: Khng c nu lp phin lc cn (175)

My nn MYCOM sri WBH


8-6

2200D3NE-WBH2006.3.

Chng 9 Tho

Chng 9

Tho

Phi m bo TT in h thng trc khi kim tra, bo tr. Nu khng m bo TT in c th lm my nn chy ngoi mun trong qu trnh kim tra, bo tr v c th gy thng tn nguy him cho con ngi. Cc nguy him tim tng khc gy chn thng cho ngi lm vic cng c th xy ra nh b qun vo dy ai v/hoc cc c cu quay khc, v/hoc nguy c in git ti nhng v tr dn in.

Vic tho my nn ch thc hin khi my c x p. Nguy c bn gas hay du c p sut cao c th xy ra nu chng cn trong my, iu ny c th dn n nhng thng tn bao gm c nght th v/hoc ngt xu. Phi m bo TT b gia nhit trc khi kim tra, bo tr h thng. Nu khng thc hin, trong qu trnh lm vic c th dn ti nhng thng tn nh in git ti nhng v tr dn in v b phng khi ti nhng b mt b gia nhit. Hy thn trng trnh b in git khi TT, M ngun in.

m bo s dng ng dng c khi tho my nn. Vic dng dng c mn hay h hng c th gy ra nhng thng tn cho ngi lm vic. Hy thn trng khi lm vic vi nhng chi tit nng. Dng nhng dng c h tr nh bulng an ton gi chc chi tit v gim thiu nguy c chn thng c th xy ra.

My nn MYCOM sri WBH

9-1

2200D3NE-WBH2006.3.

Chng 9 Tho

9.1

Nhng yu cu khi thoNgt tt c cc ngun in

Tho x mi cht lnh v du ra khi h thng

Tho x nc gii nhit

Tho puly hay khp ni trc

m bo dng c cn thit v khng gian lm vic Hnh 9-1 Nhng yu cu khi tho

9.1.1

Ngt tt c cc ngun inTt c cc ngun in bao gm ngun in chnh v ngun in iu khin phi c ngt trc khi tho my.

9.1.2

Tho x mi cht lnh v du ra khi h thngTrc khi tho cn phi thu li ton b mi cht lnh trong h thng trnh b bay mt vo khng kh. Nu mt lng ln mi cht lnh tan vo trong Sau khi thu li mi cht lnh v v my thng vi mi trng xung quanh, tin hnh tho x du qua van x.

9.1.3

Tho x nc gii nhitX nc gii nhit qua vi x hay van x.

My nn MYCOM sri WBH

9.1 Nhng yu cu cn thit

9-2

2200D3NE-WBH2006.3.

Chng 9 Tho

9.1.4

Tho puly hay khp ni trc

Puly hay khp ni u rt nng. Hy 4 cng nhn hay nhiu hn na thc hin cng vic.

Khi tho puly hay khp ni, h thng c ngt khi ng c in. [Thng tin hu ch] Ch cn ko nh puly hay khp ni dc trc l c th tho ra.Bng 9-1 Khi lng puly Bng 9-2 Khi lng khp ni

Loi Puly rnhC8 Puly rnhC10 Puly rnhC12

Khi lng 83kg 101kg 115kg

Loi Khp ni chun

Khi lng 52kg

Hnh 9-2

Tho puly

Hnh 9-3

Khi tho puly

9.1.5

m bo dng c cn thit v khng gian lm vicm bo c khng gian lm vic t dng c cng nh cc chi tit tho ra mt cch trt t, v m bo c ng dng c cn thit cho cng vic, bao gm c du cho vic lau chi, lp li cc chi tit v gi lau.

My nn MYCOM sri WBH

9.1 Nhng yu cu cn thit

9-3

2200D3NE-WBH2006.3.

Chng 9 Tho

9.2

Quy trnhTho ng ng nc gii nhit Tho np my Tho l xo an ton Tho cm van x B phn gim ti B gii nhit du v np l quan st Tho cm chi tit xylanh Smi xylanh Tho cm chi tit truyn Pittng v thanh xylanh Vng gng Np u trc B phn lm kn Bm du Ko trc u trc chnh trc chnh Trc khuu chn B lc

My nn MYCOM sri WBH

9.2

Quy trnh

9-4

2200D3NE-WBH2006.3.

Chng 9 Tho

9.2.1

Tho ng ng nc gii nhitng ng nc gii nhit c hai loi, ty theo loi phng php gii nhit: gii nhit qua b gii nhit du hoc gii nhit trc tip. Hnh 7-1 H thng ng ng nc gii nhit trnh by kiu kt ni ca mi phng php. Np my nn lp cc ng ni rng lp u ni ng bt li trong c d. Vic tho cc ng ny i hi phi tho lng c d ra. [Thng tin hu ch] Nu cc ng ni nh trn hnh 9-5, c th d dng tho ng bng cch tho lng cc bulng mt bch ni ng v np my ri ra.

9.2.2

Tho np my

Chi tit nng. Hy 2 cng nhn hay nhiu hn na thc hin cng vic.

Np my c hai loi, loi dng trong trng hp gii nhit bng nc (hnh 9-5) v loi gii nhit bng khng kh (hnh 9-6). Nu khng cn thit lau chi bn trong o np, np my c tho ra chung vi o np, bt k loi no. Vic tho np tin hnh t mt trn trnh nhng vt bn ngoi hay nc gii nhit i vo h thng.Bng 9-3 Khi lng np my

Chi tit Np c o np (gii nhit bng nc) Np gii nhit bng khng kh

Khi lng 34kg 21kg

Hnh 9-5

Np my c phn o np

Hnh 9-6

Np my gii nhit bng khng kh

My nn MYCOM sri WBH

9.2

Quy trnh

9-5

2200D3NE-WBH2006.3.

Chng 9 Tho

1.

Tho bulng chnh gia trn v a bulng an ton vo nh trong Hnh 9-7.

Bulng an ton

Hnh 9-7

Np my (gii nhit bng nc)

2. 3.

Tho tng cp bulng i din nhau, ln lt theo chiu quay chn. Ni lng hai con bulng cui cng.Trong trng hp vng m np khng b dnh st vo np, np my s b y ra do lc tc ng ca l xo. Vng m np dnh st vo np my s khin np khng t bt ra c. Trong trng hp ny phi x l tho vng m ra. tho vng m, dng hai bulng tch np t vo hai l tch np trn mt bch ri y cho vng m ri ra. Nu khng cn thn, np my s bt ra khng kim sot c v gy chn thng nguy him cho ngi lm vic.

4. 5.

Tho tt c cc bulng cn li ra. Tho np my ra bng cch ko dc theo bulng an ton.

Hnh 9-8

Sau khi tho np my

My nn MYCOM sri WBH

9.2

Quy trnh

9-6

2200D3NE-WBH2006.3.

Chng 9 Tho

9.2.3

Tho l xo an tonL xo an ton c kp gia phn sau np my v khung van x nh hnh 9-9. L xo c nh v kht trn phn li ca khung van x sao cho c th d dng tho nu ko ra nh trong hnh.Bng 9-4 Khi lng l xo gim ti

Chi tit L xo an ton

Khi lng 1.5kg

1.

Tho l xo an ton bng cch ko n ra ngoi.

L xo gim ti

Hnh 9-9

Np my (gii nhit bng nc)

Trong qu trnh hot ng vi mi cht lnh amnic, khi x nhit cao s hnh thnh cacbit lm l xo an ton kt cht vo khung van x. Khi tho l xo c th lm tho lun cm van x, v c nguy c cm van x b rt xung t.

My nn MYCOM sri WBH

9.2

Quy trnh

9-7

2200D3NE-WBH2006.3.

Chng 9 Tho

9.2.4

Tho cm van xCm van x c lp va vn bn trong vng dn van x, cho php tho ra d dng bng cch cm ko ai c nh hnh 9-10. m bo ko ai c hng thng ra ngoi trnh kt. Nu khng di chuyn c, th vn n ri ko li.Bng 9-5 Khi lng cm van x

Chi tit Cm van x

Khi lng 3.3kg

1.

Cm ai c ri ko n ra.

Cm van x

Hnh 9-10

Tho cm van x

Khng cho nhng vt ngoi rt vo trong xylanh. Nu khng cn thn vt l rt vo xylanh s lm try xc b mt trong qu trnh hot ng cng nh khi tho xylanh ra.

Tho cm van xPhn vic ny ch thc hin khi c yu cu c th hoc cn thay th, sa cha.

1.

Vi dng c thch hp, tho dn ai c ri tho bulng ra.Tt c cc chi tit u c th tho ri ra c.

Cm van x

Hnh 9-11

Cm van x

My nn MYCOM sri WBH

9.2

Quy trnh

9-8

2200D3NE-WBH2006.3.

Chng 9 Tho

Cc chi tit1 3 4 5

2

6

12 7 8 9Hnh 9-12 Bng 9-6 Cc chi tit Cc chi tit

10

11

STT 1 2 3 4 5 6 7 8 9 10 11 12

Chi tit m van ht L xo m van ht van Bulng vng dn van x Vng dn van x Bulng ta van x ta van x m van x L xo m van x Khung van x ai c ta van x (s 1) ai c ta van x (s 2)

Cc chi tit ca cm van ht

Cc chi tit ca cm van x

My nn MYCOM sri WBH

9.2

Quy trnh

9-9

2200D3NE-WBH2006.3.

Chng 9 Tho

9.2.5

B phn gim tiCh thc hin tho b phn gim ti khi c tnh trng khc thng xy ra. Cn tho ng du trc khi tho b gim ti.Bng 9-7 Khi lng b phn gim ti

Chi tit Np b phn gim ti

Khi lng 1.5kg

1. 2. 3.

Tho bulng c nh np b gim ti ri tho np ra. Theo th t tho pittng gim ti, tho cn y b gim ti ri tho l xo gim ti. Cn y b gim ti ty loi m khc nhau v chiu di, ph thuc vo kch thc xylanh. Cn ch con s ch xylanh c khc trnh lp nhm cn y v xylanh vi nhau.

S ch xylanh

Hnh 9-13

V my

Hnh 9-14

Cn y b gim ti

[Thng tin hu ch] Cc chi tit ca b gim ti chia lm hai phn: phn gn trong v my (hnh 9-13) v phn gn trong smi xylanh (hnh 9-16).

My nn MYCOM sri WBH

9.2

Quy trnh

9-10

2200D3NE-WBH2006.3.

Chng 9 Tho

1

2

3

4

5

Hnh 9-15 Bng 9-8

Cc chi tit ca b gim ti (phn gn trong v my) Cc chi tit ca b gim ti (phn gn trong v my)

STT 1 2 3 4 5 1

Chi tit Cn y L xo Vng m Bulng cn y Pittng 2

4

3Hnh 9-16 Bng 9-9 Cc chi tit ca b gim ti (phn gn trong smi xylanh) Cc chi tit ca b gim ti (phn gn trong smi xylanh)

5

STT 1 2 3 4 5

Chi tit Vng cam (khuyt tri) Vng cch Cht nng L xo Cht tch

My nn MYCOM sri WBH

9.2

Quy trnh

9-11

2200D3NE-WBH2006.3.

Chng 9 Tho

9.2.6

B gii nhit du v np l quan st


c th tho xylanh ra cn phi tho b gii nhit du v np l quan st trc. Tho ai c gi b gii nhit du v ng ng ri tho ng du ra.Bng 9-10 Khi lng b phn gim ti

Chi tit B gii nhit du, loi nc gii nhit dn qua b gii nhit du B gii nhit du, loi nc gii nhit dn trc tip vo np my Np l quan st [Thng tin hu ch]

Khi lng 10kg 39kg 17kg

B gii nhit du, loi nc gii nhit dn qua b gii nhitdu, c gi bng ai c nh Hnh 9-17. Tho ai c ri tho b gii nhit ra. B gii nhit du, loi nc gii nhit dn trc tip vo np my, c gi bng bulng nh Hnh 9-18. Tho bulng ri ko ra khi rnh tho b gii nhit ra. ai c gi Bulng gi

Hnh 9-17

B gii nhit du, loi dn nc qua b gii nhit du

Hnh 9-18

B gii nhit du, loi dn nc trc tip vo np my

[Thng tin hu ch]

Nu c lp ng dn du v t ng (t ng ng chia v

phn phi du t b) vo np l quan st th hy tho tt c cc ng ny ra. m bo tho dy in nu c gn thm b gia nhit du. Khng cn thit phi tho b gia nhit du.

My nn MYCOM sri WBH

9.2

Quy trnh

9-12

2200D3NE-WBH2006.3.

Chng 9 Tho

1. 2. 3.

Tho bulng chnh gia pha trn ca np l quan st ri a bulng an ton vo. Tho cc bulng cn li. Nu vng m b dnh, dng bulng tch np tch ra. Tho np l quan st bng cch ko n ra ngoi v pha ngi thc hin. Ch cn thn khng lm hng b gia nhit du nu khng tho n ra.

My nn MYCOM sri WBH

9.2

Quy trnh

9-13

2200D3NE-WBH2006.3.

Chng 9 Tho

9.2.7

Tho cm chi tit xylanhTho cm chi tit xylanh bao gm vic tho smi xylanh, pittng v thanh truyn khi v my ni chng c lp vo.Bng 9-11 Khi lng cm chi tit xylanh

Chi tit Cm chi tit xylanh Vng dn van x + van

Khi lng 14kg 6.3kg

Xylanh l cm chi tit nng. Ch cn thn trnh trc khuu, v my b try xc khi tho cm chi tit xylanh.

1. 2. 3.

a v tr pittng ca xylanh cn tho xung im cht di (v tr thp nht). Tho cc bulng gi nh v cm van x. t ngn tay vo trong l van x v ko c v vng dn van x ra ngoi nh Hnh 9-19. m van ht vn cn nm trong ta smi xylanh.

Hnh 9-19

Tho van

4. 5.

Tho m van ht. Tho ai c thanh truyn t pha l quan st c th tho c cm xylanh nh hnh 9-20. Ch tho ai c theo th t ai c 1 v 2.

Hnh 9-20

Tho ai c thanh truyn

6.

Tho bulng thanh truyn trc khi tho cm xylanh. Cng vic tin hnh c th gy h hng cho trc khuu nu khng cn thn.9.2 Quy trnh

My nn MYCOM sri WBH

9-14

2200D3NE-WBH2006.3.

Chng 9 Tho

Chi tit nng. Hy 2 cng nhn hay nhiu hn na thc hin vic tho cm xylanh.

7.

a inh khuy vo l bt trn u pittng, ko pittng ra ly cm chi tit xylanh ra khi v my. Nu smi xylanh dnh cht vo v my, buc thm vng dy quanh smi xylanh ri ko ra. Smi xylanh cp nn cao trong my nn n hai cp c thm phe hm smi xylanh nn phi cn lc ko mnh hn.

Hnh 9-21

Tho cm chi tit xylanh

[Thng tin hu ch] Vng gng nh ra khi nh xylanh ch khi pittng b ko nhm mc ch ko ra khi cm chi tit xylanh. iu ny s lm vic tho pittng v thanh truyn khi smi xylanh kh hn.

Phn phnh cui ni np ca thanh truyn c th b vng vo thnh my khi ko cm chi tit xylanh ra. Cn phi ly tay gi n pha bn l quan st trnh b kt khi tho cm xylanh ra.

8.

Tho cm chi tit xylanh theo th t v xp theo s sri ca xylanh trnh lp ln.

Hnh 9-22

Cm xylanh

My nn MYCOM sri WBH

9.2

Quy trnh

9-15

2200D3NE-WBH2006.3.

Chng 9 Tho

9.2.8

Smi xylanhCh cho php tin hnh vic tho smi xylanh trn mt mt bn g, nha sch s. Cn thn t cm xylanh nm xung.Bng 9-12 Khi lng smi xylanh

Chi tit Smi xylanh Cm pittng v thanh truyn

Khi lng 8.6kg 5.4kg

1.

Gi cht smi xylanh, cm thanh truyn ri ko cm thanh truyn, pittng ra, v pha ngi thc hin nh Hnh 9-23.

Hnh 9-23

Tho pittng v thanh truyn ra khi smi xylanh

[Thng tin hu ch] Vng cam trong smi xylanh khng cn thit phi tho ra. Cam ny c hai loi, loi khuyt tri v loi khuyt phi, ty theo hng lm vic ng vi vic gn vo trc khuu. Ch lp smi xylanh vo ng v tr ban u ca n theo s sri.

Hnh 9-24

Pittng v thanh truyn

My nn MYCOM sri WBH

9.2

Quy trnh

9-16

2200D3NE-WBH2006.3.

Chng 9 Tho

9.2.9

Pittng v thanh truynt u pittng quay xung di.Bng 9-13 Khi lng pittng v thanh truyn

Chi tit Pittng Thanh truyn

Khi lng 2.3kg 3.1kg

1. 2.

Dng km tho l xo kha cht. n vo cht y n ra.[Thng tin hu ch] Nu pittng v cht b kt, dng ming g g nh ri th rt ra.

3.

Pittng ch c th tch ri khi thanh truyn khi tho cht. ng ly vng lt ra khi thanh truyn tr khi cn thay th.[Thng tin hu ch] Thanh truyn c nh s gm mt b 3 s nh trn Hnh 9-25. S ch xylanh nh trn Hnh 9-26. Khi tho cn lu sp xp theo tng cp trnh nhm ln.

Hnh 9-25

S ca b thanh truyn

Hnh 9-26

S ca b xylanh

My nn MYCOM sri WBH

9.2

Quy trnh

9-17

2200D3NE-WBH2006.3.

Chng 9 Tho

9.2.10

Vng gngVng gng l chi tit khng cn phi tho, tr khi c yu cu thay th.

1.

S dng dng c chuyn dng tho vng gng nh trn hnh 9-27.Nu khng c sn dng c ny, c th dng vng dy kn ko vng gng ra nh hnh 9-28.

Hnh 9-27

Tho vng gng vi dng c chuyn dng

Hnh 9-28

Tho vng gng dng dy ko

Cn phi tht cn thn khi tho vng gng trnh lm cong hay bin dng, lm cho du tiu hao nhiu khi h thng lm vic.

My nn MYCOM sri WBH

9.2

Quy trnh

9-18

2200D3NE-WBH2006.3.

Chng 9 Tho

9.2.11

Np my u trc

Chi tit nng. Hy 2 cng nhn hay nhiu hn na thc hin cng vic.Bng 9-14 Khi lng np my u trc

Chi tit Np my u trc

Khi lng 30kg

1.

Tho hai bulng gi np pha trn ri a hai bulng an ton vo.Bulng an ton

Hnh 9-29

Np my u trc

2. 3.

Tho cc bulng, cha li hai bulng v tr i din. Tho lng hai bulng ny. Vng m c th b dnh vo np. Nh nhng tch vng m ra bng cch dng ba g nh vo mt bch. Phn trong np c chc nng cha du nn cn t mt chu pha di hng du chy ra khi tho. Ko np thng ra ngoi tho n ra.i km trong np l phe hm O gi du gia ta di ng ngn cch vi khng gian np. ng thi c km ng x du cho du chy ra khi khng gian np. Xem hnh 9-30. ta di ngHnh 9-30

4.

Phe hm O

ng x du

Mt sau np my u trc

ta di ng l chi tit d h hng. Cn phi tht cn thn khi tho np v nu va chm vi trc s lm try xc, h hng .

My nn MYCOM sri WBH

9.2

Quy trnh

9-19

2200D3NE-WBH2006.3.

Chng 9 Tho

9.2.12

B phn lm knB phn lm kn c t trong np my u trc, bao gm cc vng bt lp trn trc khuu v ta di ng trong np.Bng 9-15 Khi lng b phn lm kn

Chi tit Vng bt

Khi lng 1.7kg

1.

ta di ng c t trong np my u trc vi hai phe hm O. t ngn tay vo gia v ko ra v pha ngi thc hin tho ra.

Hnh 9-31

chn trong np

2.

Vng bt trc t trong vng dn cng vi phe hm O thnh cm chi tit. Vng dn c c nh vi trc bng ba con vt cy. Tho ba con vt cy ny c th tho vng dn cng vi vng bt v phe hm. Ko chng ra ngoi tho ra.

Vt cy

Hnh 9-32

Tho vt

3.

m bo gi nguyn b lm kn sau khi tho nh mt cm chi tit. Gi mt trt ca ta di ng v vng bt khng b va chm, try xc.

Mt trtHnh 9-33 ta di ng

My nn MYCOM sri WBH

9.2

Quy trnh

9-20

2200D3NE-WBH2006.3.

Chng 9 Tho

Mt trt

Hnh 9-34

Cm chi tit lm kn

Hnh 9-35

Vng dn (tri) v vng bt (phi)

My nn MYCOM sri WBH

9.2

Quy trnh

9-21

2200D3NE-WBH2006.3.

Chng 9 Tho

9.2.13

Bm duKhng cn tho cm chi tit bm du.Bng 9-16 Khi lng bm du

Chi tit Bm du

Khi lng 7.3kg

1. 2.

Ghi li hng quay ca mi tn trc khi tho bm du ra. Tho bulng bm du v a bulng M10 vo l dnh ring. Sau khi tho vng m, tho bulng M10 ny ra. m bo ly phe hm O khi u trc chnh.

Hnh 9-36

Bm du

9.2.14

Ko trcKo trc nm cui trc khuu, ch c th nhn thy khi tho bm du ra (xem Hnh 9-37). Cht ko trc trong trc khuu, khng c gi c nh nn c th d dng ko ra.

Hnh 9-37

Ko trc

My nn MYCOM sri WBH

9.2

Quy trnh

9-22

2200D3NE-WBH2006.3.

Chng 9 Tho

9.2.15

u trc chnh


Bng 9-17

Khi lng u trc chnh

Chi tit u trc chnh

Khi lng 51kg

1.

Tho ng ng du dn vo ng h o p sut. C th xy ra h hi cho u trc chnh nu ng ng p sut du vn cn lp. m bo tho ng h o p sut du. Tho vt np.Vt np

2.

Hnh 9-38

u trc chnh

[Thng tin hu ch] Nu vng m dnh vo u trc chnh, dng bulng tch np n vo cc l tng ng trn mt bch y ra.

3.

Gi chc ri ko u trc chnh ra. Do trc khuu nm trong u trc nn phi ko ra dt khot v ch thc hin mt ln v nu khng, khi lng ca u trc s nng ln trc khuu, gy h hng cho trc v chn.[Thng tin hu ch] Khi ko u trc chnh c th lm trc khuu b ko theo ra. Do dng tay gi trc khuu v ch ko u trc ra.

My nn MYCOM sri WBH

9.2

Quy trnh

9-23

2200D3NE-WBH2006.3.

Chng 9 Tho

9.2.16

trc chnhBng 9-18 Khi lng trc chnh

Chi tit trc chnh

Khi lng 1.9kg

trc chnh c t bn trong u trc chnh, gi bng cht.

1.

Tho cht ri ly trc ra nh Hnh 939.

Cht

trc chnhHnh 9-39 trc chnh

My nn MYCOM sri WBH

9.2

Quy trnh

9-24

2200D3NE-WBH2006.3.

Chng 9 Tho

9.2.17

Trc khuu

Chi tit nng. Hy 4 cng nhn hay nhiu hn na thc hin cng vic.Bng 9-19 Khi lng ca trc khuu

Sri 4WBH 6WBH 8WBH 42WBH 62WBH

Khi lng 79kg 84kg 83kg 84kg 83kg

H thng c thit k tho trc khuu ra t pha bm du, khc vi sri WB.

1.

Bc kn trc khuu li bng vi nh trn Hnh 9-40 trnh b try xc khi thao tc.

Hnh 9-40

Bo v trc khuu

2.

tho trc khuu, t vo mt thanh g qua l quan st nh Hnh 9-41 ri cho trc khuu da ln v ko t t ra.

Hnh 9-41

Tho trc khuu

[Thng tin hu ch] Khi ko trc khuu c th gy h hi cho chn nu trc b ko nghing ra khi cha ra ht . Do m bo ko thng trc ra cho ti khi hon ton ra khi chn.

My nn MYCOM sri WBH

9.2

Quy trnh

9-25

2200D3NE-WBH2006.3.

Chng 9 Tho

3.

Vi loi BB (WBH-BB), trc khuu lm vo ch mt xoay chn t trt. Tho trt bng cch ko n ra v pha ngi thc hin, sau khi tho trc khuu.

i vi loi BB, vic thay th trt i hi phi tho trc khuu ra trc. Tho trc khuu ra pha bm du (pha ht) ri thay trt.

My nn MYCOM sri WBH

9.2

Quy trnh

9-26

2200D3NE-WBH2006.3.

Chng 9 Tho

9.2.18

chn chn c gn vo v my bng bulng.Bng 9-20 Khi lng ca chn

Chi tit chn

Khi lng 3.3kg

1. 2.

Tho cc bulng ra. n hai bulng x vo hai l tng ng tch vng m ra. Khi chn lng, ko n v pha ngi thc hin tho ra.

Bulng x

Hnh 9-42

t hai bulng x vo

Hnh 9-43

Ly chn ra

[Thng tin hu ch] Vi my nn n hai cp (42WBH, 62WBH), chn c gn cng vi phe hm O vnh ngoi do cn lc mnh hn tho ra.

3.

Vi loi BB (WBH-BB), ch chn lm vo pha v my t trt. Sau khi tho chn, vng m ca trt nm trong phn lm ca v my. Ko vng m ra v pha ngi thc hin qua l quan st tho n.

My nn MYCOM sri WBH

9.2

Quy trnh

9-27

2200D3NE-WBH2006.3.

Chng 9 Tho

9.2.19

B lcCc b lc sau c tho ra: Cm lc u trc chnh Mn lc du Phin lc cn B lc ht

Cm lc u trc chnhy l cm lc c gn trn u trc chnh bng bulng.Bng 9-21 Khi lng cm lc u trc chnh

Chi tit Cm lc u trc chnh

Khi lng 2.1kg

1

Tho cc bulng gi ri ko cm lc v pha ngi thc hin tho n ra.

Cm lcHnh 9-44 Cm lc u trc chnh

Cm lc c cc l thp rt mng nn cn trnh va chm vi bt k vt no khc khi tho, lp. Khng c tho ri cm lc u trc chnh ra.

My nn MYCOM sri WBH

9.2

Quy trnh

9-28

2200D3NE-WBH2006.3.

Chng 9 Tho

Mn lc duMn lc du c t trong np lc du nh hnh 9-45.Bng 9-22 Khi lng np lc du

Chi tit Np lc du

Khi lng 1.3kg

1.

Tho cc bulng gi np ra.

Np lc du

Hnh 9-45

Np lc du

2.

Ko np ri ly mn lc du ra.[Thng tin hu ch] Mn lc du l mt chi tit gn trong np nn c th ng thi va ly np v ly lun ra mn lc.

My nn MYCOM sri WBH

9.2

Quy trnh

9-29

2200D3NE-WBH2006.3.

Chng 9 Tho

Phin lc cnPhin lc cn dng c cho cc men sau: 6WBH, 8WBH, 42WBH, 62WBHBng 9-23 Khi lng np phin lc cn

Chi tit Np phin lc cn

Khi lng 4.1kg

1. 2.

Tho cc bulng gi np ra. Tho np phin lc cn.

Np phin lc cn

Hnh 9-46

Np phin lc cn

3.

Ly phin lc cn ra.[Thng tin hu ch] Phin lc cn l mt chi tit gn trong np nn c th ng thi va ly np v ly lun ra phin lc.

My nn xut xng t nh my c thm ti lc bng vi t trong phin lc cn ngn khng lm my nn h hng trong qu trnh chy th. Sau mt thi gian ti lc s b rch, h hng. m bo rng ti lc c tho ra sau ln chy th u tin.

My nn MYCOM sri WBH

9.2

Quy trnh

9-30

2200D3NE-WBH2006.3.

Chng 9 Tho

B lc htB lc ht dng c cho cc men sau: 4WBH, 6WBH, 8WBH B lc ht c gi trong v my bng l xo.Bng 9-24 Khi lng np b lc ht

Chi tit Np b lc ht

Khi lng 4.1kg

1. 2.

Tho cc bulng gi np ra. Tho np b lc ht.

Np b lc ht

Hnh 9-47

Np b lc ht

3.

Ko l xo v phin lc cn ra.[Thng tin hu ch] Vi men 4WBH, ti lc c gn vo trong b lc ht vi l xo c nh v khng c phin lc no gn va.

Sau mt thi gian ti lc s b rch, h hng. m bo rng ti lc c tho ra sau ln chy th u tin.

My nn MYCOM sri WBH

9.2

Quy trnh

9-31

2200D3NE-WBH2006.3.

Chng 10 Lp

Chng 10

Lp

Ch dng nhng chi tit, ph tng chnh hng MYCOM. Vic khng tun th yu cu ny c th dn n nhng h hng cho my nn, thit b k c nguy c b in git do khng m bo iu kin ni t trong qu trnh hot ng.

m bo s dng ng dng c khi tho my nn. Vic dng dng c mn hay h hng c th gy ra nhng thng tn cho ngi lm vic. Hy thn trng khi lm vic vi nhng chi tit nng. Dng nhng dng c h tr nh bulng an ton gi chc chi tit v gim thiu nguy c chn thng c th xy ra.

Tham kho chng 6 Ph tng thay th v ch tiu thay (Sri WB) trong S tay hng dn s dng my nn MYCOM sri WB bit thm thng tin bao gm sa cha v thay th. Xem chng 11 c tnh van u vo v u ra trong s tay ny bit thm v cc kiu van ht v van x. Khi thay th ph tng, m bo rng nhng chi tit c thay ph hp vi men ang s dng. Nu ph tng em thay b try xc hay r do lu, dng giy nhm (800 n 1200) ch lng li. Lm sch ph tng thay bng du nh. Lau ph tng bng vi thun, khng dng vi si, len hay cc loi vi d x lau v. m bo thay du my mi. Chm du vo cc mt trt, mt lm vic trc khi lp li. Vi cc vng m c l chm du, m bo lp ng v tr khng bt kt ng du bi trn. Gi dng c lm vic sch s. Khng dng dng c mn hay h hng. T t sit cht dn cc bulng, sit cht cc bulng i din nhau ti lc sit cn thit theo nh mc 10.1 Danh sch cc loi bulng. m bo kim tra, sit li ln cui.

My nn MYCOM sri WBH

10-1

2200D3NE-WBH2006.3.

Chng 10 Lp

10.1

Danh sch cc loi bulngCc bulng cn c sit ti lc sit ph hp theo nh bng 10-1.Bng 10-1 Danh sch cc loi bulng

STT 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19

Bulng Bulng u puly Vt u su cnh (di) Vt u su cnh (ngn) Bulng np my u trc Bulng np l quan st Bulng np my Bulng nh v cm van x Bulng np u ht Bulng np phin lc cn Bulng chn Bulng bm du Bulng np pittng gim ti Bulng np b lc du Bulng np cm lc u trc chnh Bulng ca thm du ai c ta van x 1 ai c ta van x 2 ai c ni thanh truyn 1 ai c ni thanh truyn 2

C M27L50 (P1.5) M16L110 M16L55 M16L45 M12L60 (P1.25) M12L40 M12L35 M10L35 M10L30

Lc sit N.m (kg.cm) 380 (3800)

120 (1200)

80 (800)

40 (400)

5/8" 1/2"

120 (1200) 80 (800) 120 (1200) 80 (800)

My nn MYCOM sri WBH

10.1

Danh sch cc loi bulng

10-2

2200D3NE-WBH2006.3.

Chng 10 Lp

10.2

Quy trnhVic lp li h thng i theo mt quy trnh gn nh l ngc li ca quy trnh tho, sau khi chun b y ph tng thay th, sa cha v dng c lm vic cn thit, sch s. Tham kho thm chng 9 Tho khi tin hnh lp, v tun th cc ch dn a ra. chn Trc khuu trc chnh v u trc chnh

Ko trc v bm du B phn lm kn v np u trc Lp cm chi tit xylanh Lp cm chi tit xylanh vo v my iu chnh b phn gim ti Tho cm chi tit xylanh van Gn b lc v np l quan st Chy khng kim tra Np my ng ng nc gii nhit Kim tra ln cui Hnh 10-1 Quy trnh

My nn MYCOM sri WBH

10.2

Quy trnh

10-3

2200D3NE-WBH2006.3.

Chng 10 Lp

10.2.1

chnRnh phe hm O L cp du

1.

Lp chn vo v my vi lu quay l cp du hng ln trn. Trong my nn hai cp, lp thm phe hm O.

Bulng chn

Vng m

Hnh 10-2

chn

2.

Gn vng m ri sit cc bulng vo.

Hnh 10-3

Lp chn

3.

Vi chn loi BB c gn km thm trt nh Hnh 10-4. Sau khi lp chn loi BB, t pha trc khuu lp trt vo.

Hnh 10-5

chn loi BB

Hnh 10-4

trt

My nn MYCOM sri WBH

10.2

Quy trnh

10-4

2200D3NE-WBH2006.3.

Chng 10 Lp

10.2.2

Trc khuu


1.

Vi trc khuu c bc vi, tin hnh lp ging nh khi tho (xem Hnh 10-6 v 10-7).

Hnh 10-6

Bc vi bo v

Hnh 10-7

Lp trc khuu

[Thng tin hu ch] Thc hin thao tc lp trc khuu vo chn ch trong mt bc. Kim tra li xem c mnh g vn no cn trong my khng v ly chng ra ht.

2.

Trc khuu loi BB c ch to lp vi vng trong trt, nh hnh 10-9. Vi trt lp vo trc khuu, tin hnh lp trc vo chn.

Hnh 10-8

Trc khuu lp vi chn thng

Hnh 10-9

Trc khuu loi BB lp vi trt

My nn MYCOM sri WBH

10.2

Quy trnh

10-5

2200D3NE-WBH2006.3.

Chng 10 Lp

10.2.3

trc chnh v u trc chnh


1.

t trc chnh v u trc chnh nh Hnh 10-11 ri gn cht vo. Vi my nn hai cp, gn phe hm O vo rnh trn trc chnh.

Rnh phe hmHnh 10-10 trc chnh Hnh 10-11 Lp trc chnh vo u

2. 3.

Lp vng m vo u trc chnh. m bo hai l cp du trn u thng vi hai l trn vng m. Lp u trc chnh vo v my.[Thng tin hu ch] Lp trc chnh vo trc khuu. Di chuyn u trc chnh cho n khi tip xc vi v my. n cho u ni trn u vo trong v my.

Trc khi y mt bch u trc chnh vo st v my, m bo rng hai l cp du trn u thng vi hai l trn v.

My nn MYCOM sri WBH

10.2

Quy trnh

10-6

2200D3NE-WBH2006.3.

Chng 10 Lp

10.2.4

Ko trc v bm du

1.

Quay trc khuu l cht ko trc nm v tr cao nht. Vi cht lp nh hnh 10-12, gn ko trc vo nh hnh 10-13 v iu chnh rnh nm chnh gia.

Hnh 10-12 Cht ko trc

Hnh 10-13

Ko trc

2. 3. 4.

Gn phe hm O bm du vo u trc chnh. Vng m bm du c gn vo bm. Nu rnh trc bm du trng vi ko trc th lp bm du vo. Nu lp vo kh khn th ko bm ra iu chnh li v tr ri lp li. Quay bm du cho hnh ch dn chiu mi tn quay ln trn nh hnh 10-14. Nu chiu mi tn ph hp vi chiu quay my nn, tin hnh lp bulng. Nu chiu mi tn ch ngc li, quay ngc bm du 180o chiu ca n ph hp vi chiu quay ca h thng.Hnh 10-14

Chiu quay

Mi tn chiu quay

My nn MYCOM sri WBH

10.2

Quy trnh

10-7

2200D3NE-WBH2006.3.

Chng 10 Lp

10.2.5

B phn lm kn v np my u trc


1. 2.

Gn phe hm O vo trong vng dn. Gn phe hm O vo vng bt trc ri gn vo vng dn. Cm chi tit lm kn trc hon chnh nh hnh 10-15. Kim tra l xo bng cch n t trn xung. Nu l xo bt ln xung th mi m bo l xo bnh thng.

Hnh 10-15

Cm chi tit lm kn trc

3. 4.

Quay trc khuu bi kha nm trn. Gn cm chi tit lm kn vo trc khuu, gi chc trc khuu m bo bi kha vo ng rnh (xem Hnh 10-16).

Hnh 10-16

Gn cm chi tit lm kn vo trc

My nn MYCOM sri WBH

10.2

Quy trnh

10-8

2200D3NE-WBH2006.3.

Chng 10 Lp

5.

Sit 3 vt c nh vng dn, nh trn Hnh 10-17. m bo sit cht.

Hnh 10-17

Sit vt c nh

6.

Gn 2 phe hm O vo ta di ng (xem Hnh 10-18). Lp ta di ng vo np my (xem Hnh 10-19).

Hnh 10-18

ta di ng

Hnh 10-19

Lp ta di ng

7.

Gn phe hm v vng m vo np my u trc (xem hnh 10-20).

Phe hm

Vng mHnh 10-20

ng x du

Np my lp ta

My nn MYCOM sri WBH

10.2

Quy trnh

10-9

2200D3NE-WBH2006.3.

Chng 10 Lp

8.

y hai bulng an ton vo hai l tng ng trn cng v my.[Thng tin hu ch] Dng bulng an ton nh v d dng khi lp.

9.

Cho du bi trn vo mt trt ca b phn lm kn ( ta di ng v vng bt). Lp np vi phe hm v vng m nh Hnh 10-20. m bo lp np vung gc vi trc khuu. Khi lp, gi cho ta di ng khng chm vo trc khuu.[Thng tin hu ch] Np my u trc ni vi ng x du cho du thot ra khng gian np (xem Hnh 10-20). u ra ca ng gn vo l cn bng pha di v my, nh trn Hnh 1021.

L cn bng ni vi ng x du

Hnh 10-21

L cn bng trn v my

10. y hai bulng np my vo hai v tri xng nhau ri tin hnh sit dn dn tng bc n kht st. Khi np st vo v, tin hnh sit cc bulng cn li vo.

Hnh 10-22

Np my lp xong

My nn MYCOM sri WBH

10.2

Quy trnh

10-10

2200D3NE-WBH2006.3.

Chng 10 Lp

10.2.6

Lp cm chi tit xylanh

Pittng v vng gng

1.

Xem Hnh 10-23 hay 10-24 tin hnh lp vng gng vo pittng.

Hnh 10-24

Dng dng c chuyn dng

Hnh 10-23

Dng dy ko

2.

Trn vng gng c cc ch khc nh trn Hnh 10-25. m bo rng gn vng gng sao cho cc ch khc ny hng ln trn cng pha vi nh pittng (khi nhn pittng t trn xung s thy cc ch ny).

Hnh 10-25

Ch khc trn vng gng

3.

Lp 3 vng gng vo phn trn pittng theo th t vng 3 n vng 1. Vng gng th 4 nm di cng.

Trnh lm ko dn vng gng.

My nn MYCOM sri WBH

10.2

Quy trnh

10-11

2200D3NE-WBH2006.3.

Chng 10 Lp

4.

Sau khi lp vng gng, m bo cc vng ny c th xoay c trong rnh. Quay cc vng gng en xen nhau nh Hnh 10-26.

Hnh 10-26

Quay v tr cc vng gng

Pittng v thanh truynThanh truyn c hai loi: loi thng (hnh 10-27) v loi cho my nn hai cp (hnh 20-28). Loi cho my nn hai cp dng bi kim u lp cht thanh truyn.

Hnh 10-26

Loi thng

Hnh 10-28

Loi cho my nn hai cp

Mi pittng c khc s tng ng vi xylanh ca n. S ca b thanh truyn (hnh 10-29) v s ca b xylanh (hnh 10-30) c khc trn thanh truyn. Lp pittng v thanh truyn sao cho s khc xylanh ca chng ging nhau.

Hnh 10-29

S ca b thanh truyn

Hnh 10-30

S ca b xylanh

My nn MYCOM sri WBH

10.2

Quy trnh

10-12

2200D3NE-WBH2006.3.

Chng 10 Lp

1.

t u pittng p ngc xung t. a thanh truyn vo, gi cho u lp cht ngang vi l cht trn pittng. Lp cht ni vo.

Hnh 10-31

Lp cht ni

[Thng tin hu ch] Lp cht vo trc, cho nh ra ngoi l khong 2mm d gn vo thanh truyn (xem Hnh 10-31).

2.

Khi lp cht, lp l xo kha cht vo rnh hai l hai bn (xem Hnh 10-32). m bo l xo chn st rnh l cht.

Hnh 10-32

Lp l xo kha cht

3.

Lp cc vng lt vo phn u phnh to ca thanh truyn. n vng lt vo khi canh cho rnh trn thanh truyn trng vi ch nh trn vng lt. Vng lt chia ra hai loi: vng lt trn c l cp du gia cn vng lt di khng c l cp du. Vng lt trn lp vo phn thanh truyn, cn vng lt di lp vo np chp thanh truyn.Hnh 10-33 Cm pittng v thanh truyn

My nn MYCOM sri WBH

10.2

Quy trnh

10-13

2200D3NE-WBH2006.3.

Chng 10 Lp

Smi xylanh

1.

Xem Hnh 6-1 Tin trnh iu chnh cng sut trong Chng 6 iu chnh cng sut nm c loi khuyt tri hay khuyt phi no ph hp vi tng smi xylanh. Trn smi xylanh c dn s tng ng vi con s trn v my. Hnh 10-34 v d mt trng hp lp sai vng cam. Phi m bo vng cam lp ng vi s ch xylanh trn pittng v thanh truyn v ng hng. u di smi xylanh c vt mp d lp. y t t cm pittng v thanh truyn vo nh Hnh 10-35.

Khuyt tri

Khuyt phi

Hnh 10-34 Trng hp lp sai vng cam

2.


3.

Khi pittng vo hon ton trong xylanh, y n xung st y (xem Hnh 10-36). Cm chi tit xylanh sn sng lp vo my.


My nn MYCOM sri WBH

10.2

Quy trnh

10-14

2200D3NE-WBH2006.3.

Chng 10 Lp

10.2.7

Lp cm chi tit xylanh vo v myVic lp li b gim ti c thc hin ngc li so vi khi tho. Xem mc 9.2.5 B phn gim ti trong Chng 9 Tho.

1.

cho ch li ca cn y b gim ti nm ngay di (hay trn) ng tm ca l lp xylanh trong v my, nh trn Hnh 10-37. Nu ch li ny khng ngay gia, tho vt gi b gim ti v y cht nh v cn y qua vic y pittng gim ti (xem Hnh 10-38).[Thng tin hu ch] V tr ca cn y b phn gim ti (chnh gia trn hay di) ty vo men my v loi xylanh.

Hnh 10-37

Ch nh trn cn y b gim ti (loi nm di)

Hnh 10-38

nh v cn y b gim ti

2.

Vi my nn hai cp, gn thm phe hm O vo ch v lp xylanh (xem Hnh 1039).

Phe hm

Hnh 10-39 Phe hm smi xylanh

My nn MYCOM sri WBH

10.2

Quy trnh

10-15

2200D3NE-WBH2006.3.

Chng 10 Lp

3.

Quay trc khuu phn lp vi thanh truyn nm v tr thp nht. Khi nhn t ch lp xylanh s thy cc l cp du nh trn Hnh 10-40.

L cp du

Trc khuuHnh 10-40 Phn trc lp thanh truyn v tr thp nht

4.

Gn vng m smi xylanh vo mt bch smi xylanh. Cho mt lng du ph hp vo s gip vng m dnh vo mt bch ngay c khi b lay chuyn khi lp. Lp np chp thanh truyn vo thanh truyn tng ng. m bo cc s khc trn np v trn thanh truyn ging nhau.

5.

Hnh 10-41 S ca b thanh truyn

6.

Lp cht vo l c ren gi u pittng (xem Hnh 10-42).

S ch xylanh

Cht

Hnh 10-42 S ch xylanh trn pittng (xylanh 6)

My nn MYCOM sri WBH

10.2

Quy trnh

10-16

2200D3NE-WBH2006.3.

Chng 10 Lp

7.

Kim tra li cc s trn cc chi tit c khp nhau khng v hng ca vng cam ng cha. nh v sao cho rnh vng cam khp vi ch nh ca cn y b gim ti trong ch lp xylanh tng ng vo v my (xem Hnh 10-43).Hnh 10-43 Ch nh trn cn y b gim ti (loi nm di)

1

2

4

3Hnh 10-44 Cc chi tit ca b gim ti (loi gn trong smi xylanh)

5

8.

Tin hnh lp cm chi tit xylanh vo v my theo trnh t ngc li so vi khi tho.

Hnh 10-45 Lp cm chi tit xylanh vo v my

Chi tit nng nn cn phi gi chc v thao tc cn thn trnh lm h hng trc, khi lp ghp. [Thng tin hu ch] Khi u thanh truyn i ra khi l lp xylanh, a tay vo l xylanh khc trong v my gi n.

My nn MYCOM sri WBH

10.2

Quy trnh

10-17

2200D3NE-WBH2006.3.

Chng 10 Lp

9.

Khi xylanh vo trong v my, gi cho thanh truyn chp vo trc khuu. T t n xylanh xung cho thanh truyn m st vo trc.

Phi lun gi cho thanh truyn ng hng chp vo trc khuu, nu khng c th gy h hi cho trc do va chm vi thanh truyn do bt cn.

10. Gn bulng ni thanh truyn vo thanhtruyn nh Hnh 10-46. m bo rng kha ca bulng khp vi kha trn thanh truyn.

Hnh 10-46 Lp bulng ni thanh truyn

11. Gn np chp thanh truyn vo vi lu lp ng theo b s v hng

np sao cho cc s nm cng pha vi nhau. Gn vng m vo bulng.

Kha trn bulng ni c th b xoay i khi kha trn thanh truyn khi lp np. Phi lun m bo hai kha ny khp nhau.

12. Tin hnh sit bulng s 1 ti lc sit

ph hp. Sau gn bulng s 2 vo v sit li. Xem Hnh 10-47.

Hnh 10-47 Lp bulng ni thanh truyn

Kim tra xem thanh truyn c th dch chuyn qua li trn trc khng. Nu khng, c th do lp sai hng np chp hoc lp khng ng np vo thanh truyn.

My nn MYCOM sri WBH

10.2

Quy trnh

10-18

2200D3NE-WBH2006.3.

Chng 10 Lp

13. Lp ln lt cc xylanh, tng ci mt, khi xong xylanh ny mi tip tcn xylanh khc. Quay trc khuu cho phn trc ni vi thanh truyn ca xylanh v tr thp nht.[Thng tin hu ch] Xylanh s b y ra ngoi khi quay trc khuu. Phi lun gi xylanh khi quay.

14. Lp li bc 1 n 13 cho n khi lp xong tt c xylanh. 15. m bo lp ng tt c cc xylanh. 16. m bo cc s ghi trn thanh truyn khp vi nhau.Vic lp cm chi tit xylanh n y l hon chnh.

My nn MYCOM sri WBH

10.2

Quy trnh

10-19

2200D3NE-WBH2006.3.

Chng 10 Lp

10.2.8

iu chnh b phn gim tiVi smi xylanh gc trong h thng c khc du () trn mt v c iu chnh (xem Hnh 10-48). Du () khc trn v my ch v tr iu chnh. iu chnh b gim ti bng cch quay cc xylanh cho k hiu () trn xylanh ngang vi du () trn v. Smi xylanh thay mi khng c khc du () trn mt.

1.

nh v cht nng trn smi xylanh ngang vi du () nh Hnh 10-48.

K hiu nh v

Cht nngHnh 10-48 Cc k hiu iu chnh

2.

Dch chuyn cht nng ln xung bng cch n vo hay ni lng cht nh v nh Hnh 10-49. C th t c kt qu iu chnh chnh xc nh dng thc so, nh trn Hnh 10-50.

Hnh 10-49

nh v cn y

Hnh 10-50

iu chnh chnh xc cht nng

My nn MYCOM sri WBH

10.2

Quy trnh

10-20

2200D3NE-WBH2006.3.

Chng 10 Lp

3.

Khi iu chnh xong cht nng xylanh tri, tin hnh thc hin iu chnh cht nng xylanh phi. Vic iu chnh cht nng hon tt khi c hai cht cng nm ngang so vi mt ta xylanh. m bo chc chn rng iu chnh cc k hiu () trn smi xylanh ngangvi du ().

4.

My nn MYCOM sri WBH

10.2

Quy trnh

10-21

2200D3NE-WBH2006.3.

Chng 10 Lp

10.2.9

van

1.

Gn l xo van ht vo cc l trn van nh Hnh 10-51. Gn thm mt l xo cn ln hn vo l dnh ring cho n, xoay n i vo cc rnh.

Hnh 10-51 van v lo xo

2.

Nu b gim ti c t trong xylanh ch van c gn th cho cht nng h thp xung hn so vi mt ta ca xylanh. S dng cht nh v nh Hnh 10-52.


3.

Lp m van ht vo van ri lp vo vng dn van x. Dng tay gi nh trn Hnh 10-53 khi lp vo v my. Dch chuyn van qua li, ln xung xem lp chnh xc cha.


My nn MYCOM sri WBH

10.2

Quy trnh

10-22

2200D3NE-WBH2006.3.

Chng 10 Lp

4.

T t sit hai bulng vo van, va gi cc chi tit nh Hnh 10-54.

Bulng van x

Hnh 10-54 Sit bulng gi tm van

5.

Tin hnh tng t van cn li. Sau sit cht tt c cc bulng li ti lc sit ph hp.

Hnh 10-55 Lp van

6.

Tho cht nh v cn y ra sau khi lp xong van. Sau lp vt np v vng m vo (xem Hnh 10-56).

Hnh 10-56 Lp vt np

My nn MYCOM sri WBH

10.2

Quy trnh

10-23

2200D3NE-WBH2006.3.

Chng 10 Lp

10.2.10 Gn b lc v np l quan st

Chi tit nng. Hy 2 cng nhn hay nhiu hn na thc hin cng vic. Lp b lc du v np vo v my. Lp phin lc cn v b lc ht v lp np cho tng ci.

m bo rng bulng ni thanh truyn c sit cht v trong my khng c bt k vt l no trc khi lp np l quan st.

1. 2. 3. 4.

Gn bulng an ton vo l trn cng. Gn vng m, a np l quan st vo v gn bulng. Sit cc bulng li ti lc sit ph hp v tho bulng an ton ra. Lp ng du v b gii nhit du. Lp li tt c cc ng ni, ng h tho. Ch ni ng khi lm sch bn trong bng kh nn. m bo cc mi ni an ton. Lp puly hay khp ni trc vo trc khuu. Ni ai hay trc chun b cho my nn lm vic trng thi chy khng.

5.

Phi lun lp hp che ai hay hp che khp ni v l do an ton.

6.

Tho nt 3/4" gia np l quan st ri tin hnh np du my. Lp li khi np xong.

My nn MYCOM sri WBH

10.2

Quy trnh

10-24

2200D3NE-WBH2006.3.

Chng 10 Lp

10.2.11 Chy khng kim traCn phi chy khng kim tra trc khi lp cm van x, l xo an ton v np my. Chy my khi cha lp cc phn trn cho php pht hin khng ch sai st trong lp rp m cn nhng hin tng khc thng trc khi np mi cht lnh. Khuyn co ngi dng thc hin vic chy khng kim tra.

1.

Tt, m my vi ln trong vi giy n khi ng h ch p bt u hot ng. m bo p sut du tng ln lm kim ng h o chy lin tc. m bo rng c th t c gi tr p sut du qua vic iu chnh van x du. Thit lp p sut du 0.25MPaG.

Nhit du gim, nht tng ln ngay khi h thng bt u hot ng. Nguy him c th xy ra gy h hng ng h o nu van x du ng hon ton khi m my khin p sut c th tng n 1MPaG hay cao hn na. Trc khi m my, vn van x du ngc chiu kim ng h 3 vng t v tr hon ton ng.

2. 3.

Nu ng h ch p vn khng hot ng sau vi ln tt, m my, c th c li trong h thng thy lc. Kim tra, khc phc ri th li. Ch ting h thng hot ng pht ra trong vi pht sau khi khi ng. Vi h thng bnh thng s pht ra m thanh u nh t cc chi tit chuyn ng. Bng cch ri n vo mt trong xylanh c th kim tra c iu kin bi trn ca thnh xylanh nh trn Hnh 10-57. iu kin bi trn l tng l mt lp du mng tri u trn mt.

4.

n pinHnh 10-57 Kim tra hot ng

[Thng tin hu ch] Nu du bn te trong xylanh c th do vng gng b bin dng trong qu trnh lp lm mt tc dng, gy tn hao du. Trong trng hp ny cn thay vng gng mi.

My nn MYCOM sri WBH

10.2

Quy trnh

10-25

2200D3NE-WBH2006.3.

Chng 10 Lp

5.

Tin hnh kim tra hot ng ca van ht v b gim ti. Lp cm van x vo v to p nh trn Hnh 10-58. Nu pht ra m thanh to v chc xem nh van ht hot ng bnh thng.

Hnh 10-58 Kim tra hot ng

6.

M van solenoid hay m van tay (g ti) xylanh ti-g ti dn gim m thanh hot ng xung. Khi m thanh gn nh tt, tt van solenoid hay ng van tay dn tng m ln li.[Thng tin hu ch] m thanh b nn tng ln/gim xung do ng/m van cho bit b phn gim ti ang hot ng bnh thng.

Kim tra hot ng khi pittng ang chy do phi thn trng khi tin hnh cng vic.

7.

Sau khi hon tt vic kim tra ca tt c cc b phn lin quan, tt h thng v chun b lp rp cc phn cn li.Phi m bo rng TT ngun in chnh, ngun in iu khin cng nh tt c cc ngun ni in khc my nn trng thi tt trc khi tin hnh tip.

My nn MYCOM sri WBH

10.2

Quy trnh

10-26

2200D3NE-WBH2006.3.

Chng 10 Lp

10.2.12 Np my


Theo th t lp cm van x, l xo an ton, np my. Ch kim tra hot ng ca van x trc khi lp vo my. Van x hot ng bnh thng nu n dch chuyn ln xung khi dng ngn tay n nh Hnh 10-59.

Hnh 10-59

Kim tra hot ng van x

Tin hnh lp cm van x ngc li so vi khi tho. i vi van, gn l xo ln vo l, n v xoay n vo. S dng dng c chuyn dng (Hnh 10-60) sit cht ai c ta van x s 1 v 2 ti lc sit ph hp.

Hnh 10-60

Dng c chuyn dng cho cm van x

My nn MYCOM sri WBH

10.2

Quy trnh

10-27

2200D3NE-WBH2006.3.

Chng 10 Lp

1.

Khi m bo cm van x hot ng bnh thng, lp n vo vng dn van x trong my tng ng vi s xylanh (xem Hnh 10-61).

Hnh 10-61 Lp cm van x

2.

Lp l xo an ton vo cm van x nh trn Hnh 10-62. Xylanh di trong my nn 8 xylanh rt nghing nn l xo d tut ra.

Hnh 10-62 Lp l xo an ton

[Thng tin hu ch] Lp st cun l xo vo vng dn van x s gi chc l xo hn.

3.

S dng bulng an ton khi lp np. Nh trn Hnh 10-63, t bulng an ton vo l chnh gia trn ri lp vng m vo. Lp np my vo theo ng hng vi bulng an ton vo l chnh gia trn.Lp np o vo vi gn o nm gia np my quay v pha dn ng trc khuu (xem Hnh 10-65). Hnh 10-63 Lp l xo an ton

Vt bn ngoi c th rt vo xylanh bn di nu lp np my xylanh trn trc. Do lun phi lp np my xylanh di trc.

My nn MYCOM sri WBH

10.2

Quy trnh

10-28

2200D3NE-WBH2006.3.

Chng 10 Lp

4. 5.

Bulng np my s b l xo an ton y bt li. Tng bc sit cht hai bulng i din nhau nn l xo li ng thi p st np my vo. t cc bulng cn li vo cc l bt bulng. Tho bulng an ton ra v t con bulng cui cng vo. Ln lt sit cht cc bulng i din nhau ti lc sit ph hp. Lp np o vo np my loi gii nhit bng nc nu tho n ra. Lp np o ng theo hng nhn MYCOM v ng lp ng nc. Gn trong np my phi khp vi gn trong np o (xem Hnh 10-64). Trn h thng tiu chun, ng nc gii nhit vo/ra trong np o nm v pha bm du (xem Hnh 7-1).

6.

Hnh 10-64 Np o

Hnh 10-65 Np my loi gii nhit bng nc

Hnh 10-66

Np my loi gii nhit bng kh

My nn MYCOM sri WBH

10.2

Quy trnh

10-29

2200D3NE-WBH2006.3.

Chng 10 Lp

10.2.13 ng ng nc gii nhitLp cc ng ni ty theo yu cu tng loi h thng lm mt, cc ng ni rng c chiu di khc nhau ty loi.

1.

Lp ng ni rng vo l ni sau lp u ni ng vo. Phn cui ca ng ni rng cch g kha cui mt khong 7mm nh trn Hnh 10-67.

7mm

Hnh 10-67 u ni ng

2. 3.

Lp c d vo u ni ng. u ni ng c ba g kha nh trn Hnh 1067. Sit c d n khi hai vng dy ca n bt cht vo hai g kha. m bo c d c sit ging nh trn Hnh 10-68 khi lp vo np o.

Hnh 10-68 Lp c d

Nu c d khng lp ng c th b r r trong lc h thng hot ng, gy ra h hng cho cc thit b in gm c ng c in v bng iu khin.

My nn MYCOM sri WBH

10.2

Quy trnh

10-30

2200D3NE-WBH2006.3.

Chng 10 Lp

10.2.14 Kim tra ln cuiKim tra ln cui bao gm vic sit li tt c cc bulng gi np my, np l quan st v c kim tra cc ng ni ng v nt y. Sau khi kim tra, tin hnh th kn vi kh nn v nit.

1. 2. 3.

m bo khng c ch r no t vng m, van vi, nt y. X ht kh nn v nit qua van x sau khi hon tt kim tra. Dn ht kh kim tra ra khi my nn ri thng n vi h thng lnh qua van chn m.

My nn MYCOM sri WBH

10.2

Quy trnh

10-31

2200D3NE-WBH2006.3.

Chng 11

c tnh van u vo v ra

Chng 11

c tnh van u vo v ra

c tnh van u vo v u ra cho di y ty theo loi mi cht lnh. Vi my nn hai cp, xem My nn mt cp bit c tnh van cp nn cao. Vi cp thp, xem My nn h tr.

11.1

c tnh van u voBng 11-1 c tnh van u vo

Amnic My nn mt cp My nn h tr WN (1.2) N (1.2)

HFC (R404A, R507A) WR (3.0) WN (1.2)

HCFC (R22) WR (3.0) R (1.5)

Prpan WR (3.0) N (1.2)

11.2

c tnh van u raBng 11-2 c tnh van u ra

Amnic My nn mt cp My nn h tr WCN (1.0) SN (1.0)

HFC (R404A, R507A) WCRH (3.0) SR (1.2)

HCFC (R22) WCR (2.4) SR (1.2)

Prpan WCR (2.4) WCR (2.4)

My nn MYCOM sri WBH

11-1

GHI CH

Documents

Huong Dan Su Dung Model WBH - Ban Tieng Viet