Granite Precision Stage & Granite Inspection Table & Granite Machinery Parts-MORN Granite
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Products
Granite Square

1. Material: Jinan Black

    Specific Gravity: 3.07g/m3

    Compressive Strength: 257MPa

    Elastic Modulus: 1.37GPa

    Linear Expansion Coefficient: 4.61x10-6/℃

    Water Absorptivity: 0.12%

    Shore Hardness: 79.9

2. Features: High-Precision, no rust, acid and alkali-resistant, no magnetized, no deform, good abrasion resistance etc.

3. Applicable area: The granite square is mainly used to test the flatness, verticality and straightness of the machinery parts and it also can be used for angle measurement of machinery parts, machine tool principal axis etc.

4. Main parameter:

Specification(mm)

Verticality between measuring and standard surface

Flatness or straightness of measuring surface

Flatness or straightness of standard surface

Precision Grade(μm)

00

0

00

0

00

0

100×63

2

4

1

1

1

1

160×100

2

4

1

2

1

1

250×160

2.5

5

1

2

1

2

400×250

3.5

7

1

2.5

1

2

630×400

4.5

9

1.5

3

1

2.5

1000×630

6

12

2.5

5

1.5

5

We can produce with your special request.


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