Manufacturing In a turning operation on carbon steel with hardness = 175 HB, the cutting speed = 225 m/min, feed = 0.25 mm/rev,and depth of cut = 7.5 mm. How much power will the lathe draw in performing this operation if its mechanicalefficiency = 90%. Use the table given below to obtain the appropriate specific energy value.Specific Energy U orUnit Power P.Unit HorsepowerHP, hp/(in'/min)BrinellMaterialN-m/mmin-lb/inHardness0.60.8Carbon steel150-2001.6240,000201-2502.2320,000251-3002.8400,0001.0Alloy steels200-2502.2320,0000.8251-3002.8400,0001.0301–3503.6520,0001.3351-4004.4640,0001.6Cast irons125-1751.1160,0000.4175-2501.6240,0000.6Stainless steel150-2502.8400,0001.0Aluminum50-1000.7100,0000.250.3Aluminum alloysBrass100–1500.8120,000100–1502.2320,0000.8Bronze100–1502.2320,0000.8Magnesium alloys50–1000.460,0000.1529,16726,73619,44418,33322,91712,500

GivenV=225m/minf=0.25mm/revd=7.5mmη=90% Cutting energy for Brinell hardess 175Hb=1.6J/mm3U=1.6J/mm3

In a turning operation on carbon steel with hardness- 175 HB. the cutting speed - 225 m/min, feed- 0.25 mm/rev. and depth of cut= 7.5 mm. How much power will the lathe draw in performing this operation if its mechanical efficiency - 90%. Use the table given below to obtain the appropriate specific energy value.

In a turning operation on carbon steel with hardness- 175 HB. the cutting speed - 225 m/min, feed- 0.25 mm/rev. and depth of cut= 7.5 mm. How much power will the lathe draw in performing this operation if its mechanical efficiency - 90%. Use the table given below to obtain the appropriate specific energy value.

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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