A steel shaft 50 $\mathrm{mm}$ diameter is required to be turned through distance of 300 $\mathrm{mm}$ on an engine lathe.

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written 4.7 years ago by

teamques10 ★ 65k

modified 2.0 years ago by

RakeshBhuse • 3.2k

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written 4.7 years ago by

teamques10 ★ 65k

Depth of cut is 6 $\mathrm{mm}$ and the rate of feed 0.2 $\mathrm{mm} / \mathrm{rev}$ .

Two types of tools are available for this purpose:

(i) H.S.S.

(ii) Tungsten Carbide.

The following are the data available:

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HSS costs an average of Rs. 30 per edge and carbide costs Rs. 75 …

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