Posted: February 8th, 2015

ASSIGNMENT # 8

Paper, Order, or Assignment Requirements

ASSIGNMENT # 8

Each question carries 05 points

The assignment will be graded out of a possible 50 points

Questions are from Textbook chapters 15, 16 and 17 (Both 10th Edition & 11th Edition)

1. List and explain five of the main independent variables in metal forming processes.
2. List and explain five of the main dependent variables in metal forming processes.
3. Define hot working and cold working. List and explain three examples of the processes that are performed in each of these cases.
4. List four (4) advantages and four (4) disadvantages of cold working as compared to hot working processes.
5. Explain the following bulk deformation processes and give two examples of each
6. a) Rolling b) forging c) Extrusion d) wire and tube drawing
7. Explain a method of manufacturing of thick-walled seamless pipes using hot piercing of solid steel rod.
8. List three main differences of sheet metal forming as compared to bulk forming.
9. What is the definition of shearing? Why are sheared or blanked edges generally not smooth? How can the quality of the sheared edges be improved?
10. What are the differences between piercing and blanking? List and explain four (4) general rules for the design of piercing and blanking dies.
11. List three factors that determine the minimum bend radius for a material. How can we prevent flattening or wrinkling when bending a tube?