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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?

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
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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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)
Transcribed Image Text: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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