Name........................................... Group.............................. Mark....................

9.3 G-Cramp project - Cutting an External Thread

Complete the flow chart below. Add sketches inside the large boxes.
(1) Put the mild steel in the centre lathe three jaw chuck (2) Turn a shoulder on the end of the rod
(3) Now place the rod vertically in the vice (4) Press down and turn, keeping the die square to the rod
(5) Continue, half turn forward, quarter turn back (6) remove the die and wipe clean.

Put the mild steel in the centre lathe three jaw chuck
 
 
 
 
 
remove the die and wipe clean