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In each case: a) create the required fully defined 2D base sketches. b) use the sketches make the corresponding solid model. 9.1) Part Name: 9001-XX EXERCISES 9p-1 Figure 9p-1 Figure 9p-2 Sweep1 Sweep2 a) Create the .188 in thick base plate. Add the 3in x .5 in chamfers as shown in Figure 9p-2. Create Composite Curve1 Convert Entities then

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Page 1: EXERCISES 9p1 · 2013. 10. 28. · EXERCISES 9p9 €€€€€€€€€€€€€€d)€Sketch€the€rib.€Extrude€to€create€the€rib€feature.€Add€the€R.250€and€R.063€fillets

In each case:                     a) create the required fully defined 2D base sketches.                     b) use the sketches make the corresponding solid model.

9.1) Part Name: 9001­XX

EXERCISES 9p­1

Figure 9p­1

Figure 9p­2

Sweep1

Sweep2

              a) Create the .188 in thick base plate. Add the 3in x .5 in chamfers as shown in Figure 9p­2.

Create Composite Curve1ConvertEntities

then

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              b) Create the R1.000 fillets and the .375 x .375 chamfers.

EXERCISES9p­2

             c) Sketch the grooved track profile as illustrated in Figure 9p­4.

Figure 9p­4

Figure 9p­3

Part 9001­XX

Annotations

Material<not specif

(­)Sketch2

Sweep1

Part 9001­XX

Annotations

Material<not specif

(­)Sketch2Sweep1

(­)Sketch2Sweep2

             d) Execute Sweep1 (left)  using the grooved sketch2 along a composite curve 1.                 Follow this with another Sweep2(right) using sketch2, again, along a composite                 curve 2. The final results are shown in Figure 9p­1.

              .375 x .375 CHAMFER

R1.000 TYP

R1.000 TYP

CompCurve1 CompCurve1

CompCurve2

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EXERCISES 9p­3

9.2) Part Name: 9002­XX

Figure 9p­5

              a) Sketch the boundary of the Profile Curve.

Figure 9p­6

(­)Sketch1

Only Constraints That Must be Imposed on the Profile Curve

.250

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EXERCISES9p­4

(­)Sketch2

(­)Sketch3

(­)Sketch4

              b) Create the Path curve; Sketch2.

Figure 9p­7

Figure 9p­8

              c) Create the Guide Curves; Sketch3 and Sketch4. Use the Sweep feature to produce the                  thin solid as shown in Figure 9p­5

point relations       with Sketch3

Edit Sketch1, roll forward to

     and Sketch4

Sketch4 and create pierce

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EXERCISES 9p­5

9.3) Part Name: 9003­XX

Figure 9p­9

              a) Create the shell body solid as shown in Figure 9p­10

Figure 9p­10

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EXERCISES

.500

.375

.500

R.125TYP

.500ELLIPSE

Figure 9p­11

Figure 9p­12

              a) Sketch the centerline guide curve. Use the Composite Curve         feature to join all the entities                  into a single guide curve,

              a) Create Plane1 and sketch the circular profile. Use the Sweep and Composite                  Curve features to produce the finished part shown in Figure 9p­9.

CENTERLINEGUIDE CURVE

9p­6

.400

Composite Curve1

ConvertEntities Offset

Entities

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EXERCISES 9p­7

9.4) Part Name: 9004­XX

Figure 9p­13

              a) Create the base solid as shown in Figure 9p­14

Figure 9p­14

R.090 TYP

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EXERCISES9p­8

              b) Sketch the ellipse, line and fillet entities. Extrude to modify the shape of the base solid.

Figure 9p­15

Figure 9p­16

              c) Add the chamfer, fillets, C'sink hole and slot features as shown in Figure 9p­16.

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EXERCISES 9p­9

              d) Sketch the rib. Extrude to create the rib feature. Add the R.250 and R.063 fillets.

3.250 1.000

30°RIB

Figure 9p­17

              e) Establish Plane1 and sketch the construction line to create the points 1 and 2                  in the plane. See Figure 9p­18

Figure 9p­18

Figure 9p­19

3D Line1

Point1Point2

Point1

              f) Create a 3D plane offset .25in below the top surface of the part. Snap to a Top view and                  wireframe display with Point 1 visible. Sketch 3D Line1 of arbitary length normal to                  the edge as shown in Figure 9p­19.

existing vertcaltangency line

existing vertcaltangency line

midpoint of construction linesketched between tangency lines

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EXERCISES9p­10

              g) Orientate the model as shown in Figure 9p­20. Tap the            button and switch to the                               axis. Sketch 3D Line2 of arbitary length.

3D Line1

3D Line2

Figure 9p­21

3D Line3

Point2

3D Line4

3D Line3

3D Line5

Figure 9p­22

Figure 9p­23

              h) Snap the model back to the Top view again           to the        axis and sketch Line 3 ofarbitary length normal to the edge  as shown in Figure 9p­22.

              j) Add the R.188 fillets. Create a new 3D sketch for the sweep circular profile. Use the Sweep                 feature and select the 3D sketch as the path. The other hooked ring is created by mirroring                  and selecting

Tab

Tab

Figure 9p­20

              i) Orientate the model as shown in Figure 9p­22. Tap the            button again and switch to the                        axis. Sketch 3D Line4 of arbitary length. Sketch 3D Line5 connecting Lines 4 and 2.                 Add dimensions to control the length of the existing lines.

Tab

              Composite Curve

Bodies to Mirror

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9.5) Part Name: 9005­XX

Figure 9p­24

EXERCISES 9p­11

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a) Sketch the flange sections A­A through F­F    as separate profile entities  .

F F

SECTION F­F

SECTION A­A

SECTION B­B

SECTION C

­C

SECTION D­D

SECTION E­E

.125 TYP

.858

.313

.130

.625.190

.130.375

R.75

45°

.47

3.250

1.625

Sections of the flange shown in the FRONT view

The flange sections shown in the ISO view

Figure 9p­25

Figure 9p­26

EXERCISES9p­12

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b) Loft the solid flange as illustrated in Figure 9p­27

c) Complete the clamp body by adding the base, shaft guide and R.032 fillets as illustrated in    Figure 9p­24.

Figure 9p­27

EXERCISES 9p­13

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9.6) Part Name: 9006­XX Create a solid model of the funnel body as shown in Figure 9p­28.

Figure 9p­28

SECTION A­A

SECTION B­B

SECTION D­D

SECTION C­C

.500 3.500 .750

1.250 1.500

1.250 1.500

.500 3.000 .500

.750

.750

R.750(2PLS)R.500(2PLS)

R.500(2PLS)R.375(2PLS)

Ø1.000

.500 .750

.625

.625

R.375(4PLS)

2.500

1.500

1.250

Figure 9p­29

EXERCISES9p­14

.500

3 point Arc

3 point Arc

3 point Arc

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Note: Prior to lofting:

         a) Sketch the construction lines shown in Figure 9p­30 on SECTION D­D.

         b) Use the Split Entities tool to split the circle at the points 1 through 8.

Tools Window Help

Sketch Tools

Split Entities

Fillet

1

2

3

4

5

67

8

Figure 9p­30

EXERCISES 9p­15

R.375(4PLS)SECTION C­C

SECTION D­D

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9.7) Part Name: 9007­XX Create a solid model of the crane hook body as shown in Figure 9p­31.

a) Sketch the hook 2D outline shown dark   consisting of construction entities.

R.844

1.563

.625

R.1875

.500

.500 .500 .140

121°

.161

30°

44°

tang

ent li

ne

tange

nt lin

e

.75­9UNC­2A.032 x 45° CHAMFER

2.232

Figure 9p­31

Figure 9p­32

EXERCISES9p­16

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b) Sketch the sections A,B,C,D,E,F,G,H,I,J  shown in Figure 9p­33 as separate profile entities.

30°45°

22°22°

15°

R.313

R.156

.531F

J

H

D

Figure 9p­33

c) Loft the center portion of the hook body. See Figure 9p­34.

Figure 9p­34

EXERCISES 9p­17

.234

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d) Sketch the sections K,L,M . as separate profile entities.

e) Create the trans solid portion of the hook by lofting and the tip solid by revolving. See Figure 9p­36.

f) Sketch the sections N,O as separate profile entities.

Figure 9p­35

Figure 9p­36

Figure 9p­37

EXERCISES9p­18

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g) Create the vertical solid portion of the hook by lofting. See Figure 9p­38.

h) Sketch the the section P as a separate profile entity.

i) Create the hook base solid by revolving.

j) Create the hook thread shaft solid.

Figure 9p­38

Figure 9p­39

Figure 9p­40

Figure 9p­41

EXERCISES 9p­19

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k) Sketch the section Q, of the first tooth of the .75­10UNC  thread as a separate profile entity.

Pitch = 1/threads per inch + .013Pitch = 1/9  + .013     =.124

Note:

Pitch = .124

.013.075

.075

Q 60°

l) Sketch the helix curve. Set the curve height equal to the thread length of 1.375in, the pitch is   equal to the thread pitch.

HELIX: base radius : .375 top radius : .375 turn Height : .113

(spline)

Figure 9p­42

Figure 9p­43

EXERCISES9p­20

Pirece Point

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m) Make the threads by using the Sweep Cut feature. See Figure 9p­44.

1.375

.032

.032

n) Sketch the .032 x .032 chamfer section as a spearate entity. See Figure 9p­45.

Figure 9p­44

Figure 9p­45

EXERCISES 9p­21

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p) Complete the part by generating the arrest latch tab solid. Refer to Figure 9p­47.

o) Use the Revolve Cut feature to chamfer the threads.

Figure 9p­46

Figure 9p­47

2.311

1.7611.94

.125DIA THRU

R.125

.469.534.625

.125.25

ARREST LATCH SOLID

EXERCISES9p­22

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a) Create the hub top boundary consisting of arcs and construction entities.

9.8) Part Name: 9008­XX Create a solid model of the steering wheel body.

Figure 9p­48

Figure 9p­49

EXERCISES 9p­23

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b) Sketch the sections A, B, C, D  as shown in Figure 9p­50.

c) Loft the hub top solid. See Figure 9p­51.

d) Create the hub bottom boundary

Figure 9p­50

Figure 9p­51

Figure 9p­52

EXERCISES9p­24

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e) Sketch the sections E, F, G, H. as separate profile entities.

f) Loft the hub end solids.

Figure 9p­53

Figure 9p­54

EXERCISES 9p­25

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g) Sketch the sections I, J, K, L as separate profile entities.

FRONT VIEW

1.75

h) Loft the hub center solid.

The single hub solid should now result as shown in Figure 9p­57.

Figure 9p­55

Figure 9p­56

Figure 9p­57

EXERCISES9p­26

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J) Sketch the sections M, N, O, as separate profile entities.

39°

R8

SECTION A­A

A

A

50.5°

10°14°

.5.575

R1.25

1

.875

R1.875R.032

R.032

1.125

R2.3

R.063

.875

ARC CENTER­C1 AT (.605,.694,6.510)

ARC CENTER­C1

M

NO

CROSSECTION O CROSSECTION N CROSSECTION M

TOP VIEW

Figure 9p­58

EXERCISES 9p­27

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k) Sketch the sections P, Q, R, as separate profile entities.

42°

R8

50.5°

11°14°

ARC CENTER­C2

R.032R1.751

CROSSECTION P

CROSSECTION Q

CROSSECTION R

P

Q

R

Figure 9p­59

EXERCISES9p­28

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l) Loft the upper and lower spoke solids of the steering wheel.

m) Mirror the upper and lower spoke solids of the steering wheel.

Figure 9p­60

Figure 9p­61

EXERCISES 9p­29

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n) Create the rim solid.C

C

SECTION C­C

.5

.375

o) Create the hub center logo cone solid and cut it from hub solid. Complete the model by    adding an R.032 fillet in cavity edge and along the top edge of the logo.

.455

.375

1.75D2D

LOGO SOLID

RIM SOLID

Figure 9p­62

.375

Figure 9p­63

EXERCISES9p­30