2 1.42 The tool-life curve for ceramic tools in Fig. 21.17 is to the right of those for other tool materials. Why? 30010020105-503003000Cutting speed (m/min)FIGURE21.17 Tool-life curves for a va-riety of cutting-tool materials. The nega-tive reciprocal of the slope of these curvesis the exponent n in the Taylor tool-lifeequation (21.25), and Cisthecuttingspeedat T = 1 min, ranging from about 60 to3,000 m/min in this figure.CeramicCarbideCast-cobalt alloyHigh-speed steelTool life (min)

The tool life exponent is high for ceramics material.

Answered: 2 1.42 The tool-life curve for ceramic…

Engineering

Mechanical Engineering

2 1.42 The tool-life curve for ceramic tools in Fig. 21.17 is to the right of those for other tool materials. Why?

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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Concept explainers

Machining Processes and Machine Tools

Machining is represented as the process in which an excessive amount of substance is eliminated from the particular element in the form of pieces. In machining, cutting tools such as rotary tools, lathe, drill press, grinder, chop saw, welders, and many more are applied to get the desired shape. As compared to other manufacturing processes, machining is precise and versatile.

Question

2 1.42 The tool-life curve for ceramic tools in Fig. 21.17 is to the right of those for other tool materials. Why?

300
100
20
10
5-
50
300
3000
Cutting speed (m/min)
FIGURE21.17 Tool-life curves for a va-
riety of cutting-tool materials. The nega-
tive reciprocal of the slope of these curves
is the exponent n in the Taylor tool-life
equation (21.25), and Cisthecuttingspeed
at T = 1 min, ranging from about 60 to
3,000 m/min in this figure.
Ceramic
Carbide
Cast-cobalt alloy
High-speed steel
Tool life (min)

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