Maurice Tutor

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  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 04 Feb 2018 My Price 8.00

mechanical ef-ficiency


Solve Problem 21.27, but with the following changes: cutting speed = 1.3 m/s, feed .= 0.75 mm/rev, and depth = 4.0 mm. Note that although the power used in this operation is virtually the same as in the previous problem, the metal removal rate is about 40% greater.

 

Problem 21.27

A turning operation is carried out on aluminum (100 BUN), and the cutting conditions are as follows: cutting speed = 5.6 m/s, feed = 0.25 mm/rev, and depth of cut = 2.0 mm. The lathe has a mechanical ef-ficiency = 0.85. Based on the specific energy values in Table 21.2, determine (a) the cutting power and (b) gross power in the turning operation, in Watts.

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Maurice Tutor
(5)
Status NEW Posted 04 Feb 2018 07:02 PM My Price 8.00

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