What is the cutting speed of turning in the unit of m/min, when main axis spindle speed is 2,409 rpm and external diameter is 86mm ? Answer in 2 decimal points. Calculate the theoretical spindle rotational speed in rpm required to drill a 1 mm hole in copper using high speed steel drill. The recommende cutting speed is as following. The thickness of the copper plate is 24. (Leave the answer in numerical value, no need to key in 'rpm') Typical cutting speeds (m/min) High speed steel 100 Material Tungsten carbide Aluminum 500 60 330 Copper Hard brass 45 230 180 250 Bronze 35 Mild steel 28 Cast iron 20 160

What is the cutting speed of turning in the unit of m/min, when main axis spindle speed is 2,409 rpm and external diameter is 86mm ? Answer in 2 decimal points. Calculate the theoretical spindle rotational speed in rpm required to drill a 1 mm hole in copper using high speed steel drill. The recommende cutting speed is as following. The thickness of the copper plate is 24. (Leave the answer in numerical value, no need to key in 'rpm') Typical cutting speeds (m/min) High speed steel 100 Material Tungsten carbide Aluminum 500 60 330 Copper Hard brass 45 230 180 250 Bronze 35 Mild steel 28 Cast iron 20 160

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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Please don't provide handwritten solution...
Dont keep asking for a clear pic. This is what i have. And the data is conplete. Solve it using given data itself.
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Calculate the spindle speed (rpm) for turning operation when the cutting speed is 107.00 m/min and external diameter is D44.00 mm? (Two decimal places; Don't input units.) Your Answer: Answer
What’s the correct answer for this please?
To facilitate the milling (roughing) work of a cast steel material using a 1.5 inch diameter cutter choose between the two available stock. Find the speed of the cutter in rpm. – high speed steel cutter with a cutting speed of 50 fpm or – carbide tipped cutter with a cutting speed of 200 fpm.
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