1 Why is heated tools often used in hot working process?2 In open die forging barreling or


1 .Why is heated tools often used in hot working process?

2. In open die forging, barreling or

buckling might happen. What are the causes of these two issues?

3. What are the advantages of the hydrostatic extrusion process?

4-.What factors determine the minimum bend radius for a material?

5. What is the function of the blank holding force in sheet drawing process?

Hot working refers to processes where metals are plastically deformed above their
recrystallization temperature. Being above the recrystallization temperature allows the
material to recrystallize…
Mechanical Engineering