Tutorial on Screw Jack

Hareesha N G

Asst. Professor

Dept of Aeronautical Engg

Dayananda Sagar College of Engg

Bangalore-78

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Assembly Drawings1. Screw Jack

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Part-1: Create body of the Screw jack

1. Select XZ Plane

2. Draw the 2D sketch as shown

3. Use revolved protrusion command to create 3D feature, Angle 3600

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Part-1: Create body of the Screw jack

• Create fillets as shown in Fig. 1, 2, and 3

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4

Part-2: Create nut of the screw jack

1. Select XZ Plane

2. Draw the 2D sketch as shown in Fig.1

3. Use revolved protrusion command to create 3D feature, Angle 3600 as shown in fig.2

4. Create threaded hole as shown in Fig.4 using Fig.3

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Fig.1

Fig.2

Fig.4

Fig.3

Part-3: Create Screw Spindle of the screw jack (Step-1)

1. Select XZ Plane

2. Draw the 2D sketch as shown in Fig.1

3. Use revolved protrusion command to create 3D

feature, Angle 3600 as shown in Fig.2

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Fig.1Fig.2

Part-3: Create Screw Spindle of the screw jack ( Step-2)

1. Select XZ Plane

2. Draw the 2D sketch as shown

3. Use Cut out command to create Symmetric through hole

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Part-3: Create Screw Spindle of the screw jack ( Step-3)

1. Select XY Plane

2. Draw the 2D sketch as shown

3. Use Cut out command to create Symmetric through hole

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Part-3: Create Screw Spindle of the screw jack ( Step-4)

1. Select the Plane as shown, use threaded hole command, Go to hole option,

set the parameters as shown in dialogue box and create threaded hole as shown

in fig.1

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fig.1

Part-4: Create CUP of the screw jack (Step-1)

1. Select XZ Plane

2. Draw the 2D sketch as shown

3. Use revolved protrusion command to create 3D feature, angle 3600

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Part-4: Create CUP of the screw jack (Step-2)

1. Select XZ Plane

2. Draw the 2D sketch as shown

3. Use Cut out command to create the profile as shown

4. Use Circular pattern to create remaining features as shown

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Part-5: Create Special washer of the screw jack

1. Select XZ Plane

2. Draw the 2D sketch as shown

3. Use revolved protrusion command to create 3D feature, angle 3600

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Part-6: Create Special washer of the screw jack (Step-1)

1. Select XZ Plane

2. Draw the 2D sketch as shown

3. Use revolved protrusion command to create 3D feature, angle 3600

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Part-6: Create Special washer of the screw jack (Step-2)

1. Select top surface as shown

2. Draw the 2D sketch as shown

3. Use cut out command to create 3D feature, depth 3mm

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Part-6: Create Special washer of the screw jack (Step-3)

1. Select cylindrical surface as shown

2. Use thread command to create thread feature with the parameters as shown below

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Part-7: Create Tommy Bar of the screw jack

• Select XZ Plane

• Draw the 2D sketch as shown

• Use revolved protrusion command to create 3D feature, angle 3600

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