Tham khảo tài liệu 'process planning episode 9', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Workholding devices 315 6. What do you think was the main problem with the jig before the chamfer was added to the location hole 7. Why were simpler alternatives to the jig design not considered in this case Chapter review questions 1. What exactly is meant by a workholding device in the broadest context 2. Identify and describe the four basic elements of a workholder. 3. Identify and briefly describe at least five types of general workholder. 4. What are the main reasons for using jigs and fixtures 5. What are jigs and fixtures Compare the two in terms of their similarities and differences. 6. What physical characteristics of the workpiece will influence the design and or selection of a workholder 7. How does the machine selected influence the design and or selection of a workholder 8. What other factors will influence the design and or selection of a workholder How do they influence this process 9. What is the main function of any workholder and how is this achieved 10. What is the main function of a clamping device What must be considered when locating them 11. What other factors must be considered according to the principles of jig and fixture design 12. What are the main steps in designing a jig fixture 13. What are the most influential factors in the interpretation of the workpiece drawing 14. What are the main factors considered in the manufacturing analysis during the jig fixture design 15. At the solution stage of a workholding design problem a number of questions will be asked about the design proposals What are these questions 16. How is the design and construction of a jig fixture evaluated 17. What are the two broad classifications of jig What types of jig exist within these classifications 18. What are the basic types of fixture available 316 Process Planning 19. Explain what is meant by the six degrees of freedom . 20. What are the three types of location that must be considered when designing a workholder 21. What are the main factors that influence
