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In: Mechanical Engineering

1. Identify the three basic types of sheet metalworking operations. 2. In blanking of a round...

1. Identify the three basic types of sheet metalworking operations. 2. In blanking of a round sheet metal part, indicate how the clearance should be applied to the punch and die diameters. 3. What is the difference between a cutoff operation and a parting operation? 4. Describe V-bending and edge bending. 5. What is springback in sheet metal bending? 6. What are some of the simple measures used to assess the feasibility of a proposed cup drawing operation? 7. Distinguish between redrawing and reverse drawing. 8. What are some of the possible defects in drawn sheetmetal parts? 9. What is stretch forming? 10. Identify the principal components of a stamping die that performs blanking. 11. What are the two basic categories of structural frames used in stamping presses?

12. What are the relative advantages and disadvantages of mechanical versus hydraulic presses in sheet metalworking?

13. What is the Guerin process?

14. Identify a major technical problem in tube bending.

15. Distinguish between roll bending and roll forming.

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