A simple expression for the mean temperature in turning on a lathe is given by Tmean x V°f%, (21.24) where V is the cutting speed and f is the feed of the tool, as shown in Fig. 21.2. Approximate values of the exponents a and b are a = 0.2 and b = 0.125 for carbide tools and a = 0.5 and b = 0.375 for high-speed steel tools.
A simple expression for the mean temperature in turning on a lathe is given by Tmean x V°f%, (21.24) where V is the cutting speed and f is the feed of the tool, as shown in Fig. 21.2. Approximate values of the exponents a and b are a = 0.2 and b = 0.125 for carbide tools and a = 0.5 and b = 0.375 for high-speed steel tools.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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21.37 You will note that the values of a and b in Eq. (21.24) are higher for high-speed steels than for carbides. Why is this so?
Transcribed Image Text:A simple expression for the mean temperature in turning
on a lathe is given by
Tmean Vafb.
(21.24)
where V is the cutting speed and f is the feed of the tool,
as shown in Fig. 21.2. Approximate values of the exponents
a and b are a = 0.2 and b = 0.125 for carbide tools and
a = 0.5 and b = 0.375 for bigh-speed steel tools.
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