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富敏石通精密机械

青岛富敏石通精密机械有限公司​
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Granite Parallels

Granite Parallels

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Specification

(mm)

Flatness of working surface & parallelism of opposite surfaces

Squareness between working surfaces

Tolerance of h & w between a matched pair

Precision grade (μm)

00

0

00

0

00

0

160x25x16mm

1.5

3

20

40

1.5

3

250x40x25mm

2

4

30

60

2

4

400x63x40mm

4

8

40

80

4

8

630x100x63mm

6

12

50

100

6

12


 

◇     Alternative for blocks, used to measure the depth of parallelism of parts.

◇     Each specification has "a" and "b" type. "a" means 4 working surfaces and "b" means 2 working surfaces.