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  • Product Name: Surface Roughness Comparator
  • Product No.: RUG-100
  • Brief Introdction:

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Surface Roughness Comparator

Surface roughness comparator is used to check the smooth finish of a

mechanical workpiece by comparision method and eye estimation or

microscope is used to compare and detect the degree of the surface roughness.

FEATURES:

RUG-100:Note book sample block(turning,vertical milling,plain milling,

plain grinding, extermal grinding, polishing.)

RUG-110:Sample block of single set (Sample block of turning,shaping,

vertical milling, plain milling,plain grinding, extermal grinding, polishing.)

Notebook sample block contains standards for the six most important maching

methods in the prevalent “AA” values. All 30 speciments are calibrated in uAA

(Arithmetical Average) and in the metric equivalents um Ra.Surface roughness

comparsion scales following:

Turning

Vertical Milling

Horizontal Milling

Plain Grinding

Extermal Grinding

Plat Lapping

um

uin

um

uin

um

uin

um

uin

um

uin

um

uin

12.5

500

12.5

500

12.5

500

1.6

63

1.6

63

 

 

6.3

250

6.3

250

6.3

250

0.8

32

0.8

32

 

 

3.2

125

3.2

125

3.2

125

0.4

16

0.4

16

 

 

1.6

63

1.6

63

1.6

63

0.2

8

0.2

8

 

 

0.8

32

0.8

32

0.8

32

0.1

4

 

 

0.1

4

0.4

16

0.4

16

0.4

16

0.05

2

 

 

0.05

2

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