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TableĀ 4 Orthogonal test factors and their corresponding levels

From: Study on Cutting Force, Cutting Temperature and Machining Residual Stress in Precision Turning of Pure Iron with Different Grain Sizes

No.

Feed (mm/r)

Speed of cut (m/min)

Depth of cut (mm)

1

0.02

80

0.01

2

0.05

120

0.04

3

0.08

160

0.07

4

0.11

200

0.10