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Precision Granite Square

- Dec 27, 2017 -

Basic Info

Product Description

  • Type: Micrometer

  • Precision: 0.02mm

  • Accuracy: B

  • Certification: JIS

  • Material: Marble

  • Measure Method: Automatic

  • Precision Measuring Device: Precision Measuring Device

  • HS Code: 9017200000

Granite square main mineral elements for escape stone, plagioclase, a small amount of olivine, biotite, and trace magnetite, black color, structure, precision code, after one hundred million years of aging, uniform texture, good stability, high strength, hardness, can maintain under heavy load and high precision. Marble square is suitable for industrial production and laboratory measurements.
Used for testing, measuring, lineation, equipment installation and construction of industrial engineering
Suitable for machine tools, mechanical equipment and parts of vertical degree of inspection, installation process orientation, line is an important measuring tool in mechanical industry, its characteristic is high accuracy, good stability and easy maintenance.


Parameters
>Proportion:2970-3070kg/m3
>Compression strength:245-254kg/mm2
>Flexible grinding capacity:1.27-1.47N/mm2
>Coefficient of linear expansion:4.6×1-6ºC
>Water absorption 0.13%
>Shore hardness HS: more than 70.
>Precision has 000. 00, 0, 1 grade. 

Usage: Measurement for Perpendicularity
Material: Granite 


Specification

Specifications(mm)Parallelism of Working
Surface
Flatness of Working
Surface
Perpendicularity of Working
Surface
Precision grade ( μm)
000000000
100×63241111
160×100241211
250×1602.551212
400×2503.5712.512
630×4004.591.5312.5
800×500510241.23
1000×6306122.551.55
 



granite square-02.jpg

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