Fundamentals of Modern Manufacturing, Binder Ready Version: Materials, Processes, and Systems
Fundamentals of Modern Manufacturing, Binder Ready Version: Materials, Processes, and Systems
6th Edition
ISBN: 9781119128694
Author: Mikell P. Groover
Publisher: WILEY
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Chapter 22, Problem 17P

(a)

To determine

A machine shop restricts the figure of cemented carbide grades to four for inventory control purposes. The chemical composition of these grades is as follows:

Grade 1 contains 95% WC and 5% Co; Grade 2 contains 82% WC, 4% Co, and 14% TiC; Grade 3 contains 80% WC, 10% Co, and 10% TiC; and Grade 4 contains 89% WC and 11% Co.

Specify the grade that should be used for the rough machining of gray cast iron and explain your recommendation.

(b)

To determine

A machine shop restricts the figure of cemented carbide grades to four for inventory control purposes. The chemical composition of these grades is as follows:

Grade 1 contains 95% WC and 5% Co; Grade 2 contains 82% WC, 4% Co, and 14% TiC; Grade 3 contains 80% WC, 10% Co, and 10% TiC; and Grade 4 contains 89% WC and 11% Co.

Specify the grade that should be used for the finish turning of unhardened steel and explain your recommendation.

(c)

To determine

A machine shop restricts the figure of cemented carbide grades to four for inventory control purposes. The chemical composition of these grades is as follows:

Grade 1 contains 95% WC and 5% Co; Grade 2 contains 82% WC, 4% Co, and 14% TiC; Grade 3 contains 80% WC, 10% Co, and 10% TiC; and Grade 4 contains 89% WC and 11% Co.

Specify the grade that should be used for the rough milling of aluminum and explain your recommendation.

(d)

To determine

A machine shop restricts the figure of cemented carbide grades to four for inventory control purposes. The chemical composition of these grades is as follows:

Grade 1 contains 95% WC and 5% Co; Grade 2 contains 82% WC, 4% Co, and 14% TiC; Grade 3 contains 80% WC, 10% Co, and 10% TiC; and Grade 4 contains 89% WC and 11% Co.

Specify the grade that should be used for the finish turning of brass and explain your recommendation. For each case, explain your recommendation.

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