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Machine Drawing Lab Lab Experiments

Modeling and assembly of milling machine clapper block

Modeling and assembly of milling machine clapper block



To draft Milling Machine Clapper Block using 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


  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. Use hatching command where ever required
  7. Draw the Swivel Plate, Drag Release Plate, Pin and Tool Holder. Draw the Tool Clamping Screw and Washer.
  8. Give dimensions to Milling Machine Clapping Block by using suitable dimensioning method.


The required Milling Machine Clapping Block drafted using Auto CAD 2016.