Exercises 41. A 30 mm diameter mild steel bar is being turned at a spindle speed of8 rev/s, on a multi-tool centre lathe having eight tools in operation.The feed is 0-3 mm/rev, the specific cutting pressure/tool is 2 000N/mm2and the total power consumed for the operation is 14 kW.If the depth of cut is to be kept the same for each tool, calculate thedepth of cut/tool in mm.(Ans. 3-8 mm)

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d at a spindle speed of ht tools in operation. are/tool is 2 000N/mm2 on is 14 kW. each tool, calculate the

Precision Machining Technology (MindTap Course List)

2nd Edition

ISBN:9781285444543

Author:Peter J. Hoffman, Eric S. Hopewell, Brian Janes

Publisher:Peter J. Hoffman, Eric S. Hopewell, Brian Janes

Chapter5: Turning

Section5.3: Machining Operations On The Lathe

Problem 5RQ: Calculate spindle RPM and machining time for cutting a 1.5" diameter 4" long at 225 SFPM using a...

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