DIN 000 High Precision Granite Surface Plate

DIN 000 High Precision Granite Surface Plate

DIN 000 High Precision Granite Surface Plate Our granite measuring devices and granite mechanical components are made of high quality Jinan Black granite.Due to their high precision,long duration,good stability and corrosion resistance,they have been more and more used in product inspection of...

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DIN 000 High Precision Granite Surface Plate

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 Our granite measuring devices and granite mechanical components are made of  high quality Jinan Black granite.Due to their high precision,long duration,good stability and corrosion resistance,they have been more and more used in product inspection of modern industry and such scientific areas as mechanical aerospace and scientific researches.


Physical Property of Jinan Black Granite:

Specific Gravity:2970-3070kg/m3

Compressive Strength:245-254Mpa

Elastic Modulus:30-50Gpa

Linear Expansion Coefficient: 4.61x10-6/0C

Water Absorptivity:≤0.07

Shore Hardness:Above 70Hs


Our granite measuring tools have the following characteristics:

1  High precision  reliable stability resistant to deform and guaranteed accuracy under normal ambient temperature.

2  No-rust and anticorrosion.

3  Wear resistance long service life.

4  Any cutting or scraching for working surface does not bring about rough edges which might  influence its measuring precision.

5  Non magnetization.

6  Glossy surface  without sluggishness when the workpieces or tools are moving on it.


Our granite surface plate refers to the advanced standards of the developed countries, and its flatness tolerance is in accordance with the GB/T 20428-2006 Surface Plate Standard:

Grade 000 (0.003xL+2.5)/4 μm

Grade  00  (0.003xL+2.5)/2 μm

Grade   0   (0.003xL+2.5) μm

Grade   1   (0.006xL+5) μm

(d is the length of the diagonal)

1   The largest size for production is 8000mm width and 10000mm length.

2   We also accept do relevant processing on the plate, such as drilling, glue inserts, glue T-slot, etc. (According to the drawing, .)


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