Answer is:
tube drawing
Explanation:
A moving mandrel is used in Tube drawing.
Answer is:
annealing is needed between stages
Explanation:
Tandem drawing is the drawing force of the process through two dies in tandem was evaluated by being compared with the drawing force of a conventional drawing process
Tandem drawing of wires and tubes is necessary because Annealing is needed between stages
Answer is:
camber on the rolls
Answer is:
a little larger than the minor diameter of the thread
Explanation:
The blank diameter used in thread rolling will be A little larger than the minor diameter of the thread.
Answer is:
ductile materials
Explanation:
Materials are limited to ductile materials because the threads are cold formed.
Also, materials with good deformation characteristics are necessary for rolling; these materials include softer (more ductile) metals and exclude brittle materials, such as cast iron.
