Comparison Sample Block Of Surface Roughness Level Gage

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Weifang Hua Guang Digital Equipment Co.,Ltd is one of the famous China comparison sample block of surface roughness level gage manufacturers and suppliers, we are able to offer you good quality and stable comparison sample block of surface roughness level gage, welcome to contact our factory.

Comparison Sample Block of Surface roughness Product Description

This set contains standards for seven most important maching methods in the prevalent "AA"

Value. These Surface Roughness is used to compare and determine the degree of the surface finish by comparision method and eye estimation or magnifying glass

All 27 speciments are calibrated in u" AA (Arithmetical Average) and in the metric equivalents um Ra.

Classify and rough degree parameter as table


Turning

Shaping

Vertical   milling

Plain      milling

Plain     grinding

External    grinding

Polishing

um

uin

um

uin

um

uin

um

uin

um

uin

um

uin

um

uin

6.3

250

6.3

250

6.3

250

6.3

250







3.2

125

3.2

125

3.2

125

3.2

125







1.6

63

1.6

63

1.6

63

1.6

63







0.8

32

0.8

32

0.8

32

0.8

32















0.8

32

0.8

32











0.4

16

0.4

16











0.2

8

0.2

8

0.1

4









0.1

4

0.1

4

0.05

2













0.025

1


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