(c) Elaborate the principles of vacuum forming process for thermoplastics, given a shaped form. Question 5 (a) [4] i. Explain the Spin welding process with the help of a diagram. [6] ii. Name the two requirements for the process to be successful? [4] (b) i. Which are the most common fastners used in assembly? [2] ii. Which joining process could be suitable for joining rubber sheet material? [2] (a) i. Give three reasons why mechanical fastners must be kept to a minimum for the assembly process. [3] i. What are the three things recommended to lower the assembly costs? [3]
(c) Elaborate the principles of vacuum forming process for thermoplastics, given a shaped form. Question 5 (a) [4] i. Explain the Spin welding process with the help of a diagram. [6] ii. Name the two requirements for the process to be successful? [4] (b) i. Which are the most common fastners used in assembly? [2] ii. Which joining process could be suitable for joining rubber sheet material? [2] (a) i. Give three reasons why mechanical fastners must be kept to a minimum for the assembly process. [3] i. What are the three things recommended to lower the assembly costs? [3]
Welding: Principles and Applications (MindTap Course List)
8th Edition
ISBN:9781305494695
Author:Larry Jeffus
Publisher:Larry Jeffus
Chapter22: Welding Joint Design And Welding Symbols
Section: Chapter Questions
Problem 17R: Why is cost a consideration in joint design?
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