EBK MANUFACTURING ENGINEERING & TECHNOL
7th Edition
ISBN: 9780100793439
Author: KALPAKJIAN
Publisher: YUZU
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Chapter 37, Problem 38QTP
Disassemble a simple ballpoint pen. Carefully measure the time it took for you to reassemble the pen, and calculate the assembly efficiency. Repeat the exercise for a
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An articulated robot loads and unloads a CNC machine tool. The cell is scheduled to produce abatch of 300 parts. Setting up the cell for this part style takes 30 min, programming the robot takes75 min, and programming the CNC machine tool takes 55 min. For safety reasons, these threesetup activities must be done sequentially. The programmed machining cycle takes 3.75 min.Cutting tools wear out and must be periodically changed, which takes 6.0 min every 20 cycles andis performed by a human worker. At the end of each machining cycle, the robot reaches into themachine and removes the just-completed part, places it in a parts storage carousel, then reachesfor a starting work part from the same carousel and places it in the machine tool fixture. Thissequence of handling activities takes 45 sec. The storage carousel holds 25 parts. At the beginningof the production run, it is full of raw work parts. As each part is retrieved by the robot, the carouselindexes one position to present a new raw…
Homework 2: It was found in a cylindrical turning of a circular shaft with a diameter of 24 mm that the life
of the turning stylus was 9 minutes when the rotational speed was 300 rpm and with the use of several HSS. When
turning the same shaft at a rotational speed of 250 rpm, the life of the pen increased to 48.5 minutes. Find
the life of the pen when the rotational speed becomes rpm 280
Use brief sentences, sketches or calculations to answer the following questions:
Chapter 37 Solutions
EBK MANUFACTURING ENGINEERING & TECHNOL
Ch. 37 - Describe the differences between mechanization...Ch. 37 - Explain the difference between hard and soft...Ch. 37 - Prob. 3RQCh. 37 - Explain the difference between a flexible...Ch. 37 - Describe the principle of numerical control of...Ch. 37 - Explain open-loop and closed-loop control...Ch. 37 - Describe the principle and purposes of adaptive...Ch. 37 - What factors have led to the development of...Ch. 37 - What is a point-to-point control system? How is...Ch. 37 - Describe the features of an industrial robot. Why...
Ch. 37 - List and describe the principles of various types...Ch. 37 - Describe the concept of design for assembly. Why...Ch. 37 - Is it possible to have partial automation in...Ch. 37 - Explain the advantages of flexible fixturing.Ch. 37 - How are robots programmed to follow a certain...Ch. 37 - What kind of end effectors are available for...Ch. 37 - (a) Why is automation generally regarded as...Ch. 37 - Are there activities in manufacturing operations...Ch. 37 - What is a programmable logic controller? Why...Ch. 37 - Explain the factors that have led to the...Ch. 37 - Prob. 21QLPCh. 37 - Prob. 22QLPCh. 37 - Discuss methods of online gaging of workpiece...Ch. 37 - Are drilling and punching the only applications...Ch. 37 - Prob. 25QLPCh. 37 - Prob. 26QLPCh. 37 - Describe situations in which the shape and size of...Ch. 37 - Explain the difference between an automated...Ch. 37 - Explain why sensors have become so essential in...Ch. 37 - Prob. 30QLPCh. 37 - Prob. 31QLPCh. 37 - What is meant by the term sensor fusion?Ch. 37 - Prob. 33QLPCh. 37 - Prob. 34QLPCh. 37 - Prob. 35QLPCh. 37 - Prob. 36QLPCh. 37 - Prob. 37QTPCh. 37 - Disassemble a simple ballpoint pen. Carefully...Ch. 37 - Examine Fig. 37.11b, and obtain an expression for...Ch. 37 - Refer to Part III of this book, and give an...Ch. 37 - Prob. 42SDPCh. 37 - Prob. 44SDPCh. 37 - Give examples of products that are suitable for...Ch. 37 - Prob. 47SDPCh. 37 - Prob. 48SDPCh. 37 - Prob. 51SDPCh. 37 - Prob. 52SDPCh. 37 - Prob. 53SDPCh. 37 - Design a robot gripper that will pick up and place...Ch. 37 - Prob. 55SDPCh. 37 - Prob. 56SDPCh. 37 - Describe the sensors that you use in a simple act,...Ch. 37 - Prob. 58SDPCh. 37 - Prob. 59SDPCh. 37 - Conduct an Internet search and obtain product...
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