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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![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
Material
Tungsten carbide
Aluminum
100
500
60
330
Copper
Hard brass
45
230
Bronze
35
180
Mild steel
28
250
Cast iron
20
160](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F180e236e-18e4-49ab-a51f-7a16740e6da8%2F066a8d10-1f8c-497b-93f8-8b7ada8cfc20%2Frfe8g9d_processed.jpeg&w=3840&q=75)
Transcribed Image Text: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
Material
Tungsten carbide
Aluminum
100
500
60
330
Copper
Hard brass
45
230
Bronze
35
180
Mild steel
28
250
Cast iron
20
160
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