Granite V Block
It is made by Jinan Black Granite (density: 3070kg/m3) with four precision surfaces, which is suitable for precision inspection, precision measurement, precision scribing and positioning in machining and parts manufacturing industries; it is an ideal tool for detecting cylinders.

Application

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Characteristics


1.After long-term natural aging, the internal stress disappears completely without deformation, so the accuracy is high.

2.It is not afraid of acid and lye; it will not rust, no need to be oiled, and it is not easy to stick to dust; it is convenient and simple to maintain and has a long service life.

3.There will be no scratches, and the accuracy of temperature measurement can be maintained at room temperature.

4. It is not magnetized, can move smoothly during measurement, has no sense of stagnation, and is not affected by moisture.


Technical Parameters


TYPE(mm)

Flatness of working surface

Parallelism between V slot and bottom surface

Parallelism between V slot and side surface

Symmetry between V slot and side surface

Squareness between V slot and end surface

Squareness between V slot and bottom surface

Height difference of the V slot with in a matched pair

Precision grade (μm)

0

1

0

1

0

1

0

1

0

1

0

1

0

1

40x90

1

2

3

1

3

6

5

10

5

5

3

6

4

6

63x90

2

3

4

6

4

8

8

16

8

8

4

8

5

10

100x90

2

4

4

8

4

8

8

16

8

8

4

8

5

10

160x90

2.5

5

5

10

5

10

0

20

10

10

5

10

6

12


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