What is Workpiece Surface Precision :

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Wednesday 19 August, 2015 |

by astech-cnctools

What is Workpiece Surface Precision?

How to define workpiece surface precision?

It is denoted by two ways: R_a and R_r.

1. R_a – means average height difference of surface shape.

2. R_r – the maximum height difference on surface configuration.

Certainly, R_a is easier to reach.

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