Chapter 12 Questions

1. What options are available when selecting an assembly method?
2. What are the major characteristics of each of the available assembly methods?
3. Discuss some of the factors that affect the selection of an appropriate assembly method.
4. Define the term design assembly.
5. What are the benefits of applying the concept of design for assembly?
6. What has always been the traditional approach for DFA?
7. What three questions form the criteria for eliminating a part from an assembly or combining it with its neighboring part?
8. List the guidelines for product design for manual assembly.
9. What is the ideal insertion motion? Why?
10. Why should you try to avoid reorienting parts during assembly?
11. What effect does the concept of standardization of parts have on the assembly process?
12. Does nesting (or tangling) of parts while in the bulk have any effect on the assembly operation?
13. Why should parts be symmetrical?
14. What is your advice if you cannot get the parts to be symmetrical?
15. List the guidelines for product design for automatic assembly.
16. How can the use of self-aligning and self-locating features facilitate automatic assembly?
17. Can screw be considered as essential parts in a product? Why?
18. What is the ideal fixturing method in automatic assembly?
19. Discuss the concept of feedability.
20. Why should parts with a low center of gravity be favored in automatic assembly?
21. List two rules for product design for robotic assembly.
22. What are the methods for performing DFA analysis?
23. List some of the advantages, characteristics, features, and limitations of each DFA analysis method.