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Home Engineering Mechanics Machine Drawing Lab Drafting of screw heads, stud bolts, tab holes and set screws
Machine Drawing Lab Lab Experiments

Drafting of screw heads, stud bolts, tab holes and set screws



Drafting of screw heads, stud bolts, tab holes and set screws

different-forms-of-set-screws

Different forms of Set Screws

stud-bolt

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:

  1. Radius dimension
  2. Linear dimension
  3. Diameter dimension
  4. 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
  6. Draw required screw heads, stud bolts, tab holes and set screws
  7. Specify convention by hatch command
  8. Save the drawn diagram at a specified folder
  9. Give the dimensions to the drawn diagram by using different methods of dimensions

Conclusion

The required screw heads, stud bolts, tab holes and set screws is drafted in auto cad 2016 software.