Drafting of screw jack

Drafting of screw jack

Aim

To draft Screw Jack using Auto CAD 2016 Software used: Auto cad 2016

Software used:

Auto cad 2016

Commands used:

Draw commands:Line, Rectangle, Poly line, Polygon, Circle, Construction line, Arc, Spline, Ray, Hatch.

Modify commands:Erase,Copy,Mirror,Array,Move,Rotate,Trim,Extend,Stretch,Fillet,Join, Chamfer.

Dimension command:

• Radius dimension
• Linear dimension
• Diameter dimension
• Angular dimension

Procedure

1. Specify units by using units command unit change the insertsents by given and click on OK button
2. Now you have to specify drawing size using LI enter command First enter 0, 0 and enter 420,297 and click enter
3. Reset model space limits
4. Specify lower left corner or [on/off] <0, 0>0, 0
5. Specify upper right corner <12, 9> 420,297 Refit the screen by using zoom command Use hatching command where ever required
6. Draw the screw jack main body and its parts nut, screw, washer. Draw the Screw of main jack and Tommy bar.
7. Give dimensions to Screw Jack by using suitable dimensioning method.

Result:

The required Screw Jack drafted using Auto CAD 2016.