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  • granite base use for cmm machine
  • granite base use for cmm machine

    granite base use for cmm machine


    CMM granite table is made by black granite. We have many kinds of granite which has good charateristic. We can manufacture granite surface plate for CMM with high precision 0.0005mm. we could produce according to customer’s drawing.

    Salient Features :

    Made from close-grained Granite having uniform color and texture having hardness between 5.6 to 7 on Moh's scale, sound and free from flaws fissures and large inclusions of softer minerals.
    Made generally as per GB117-2015. Also available on request conforming to DIN-876-1972, BS-817-1988, JIS -B-7513 and US Federal specification GGG-P-463-C.
    metallic threaded inserts, metallic T-slots, Plates with two or four ledges also can be supplied against specific request at extra cost.
    Rexine cover provided for top working surface with each Plate.
    steel stand with leveling screws are available on request at extra cost.
    Granite Lapping Plates square and rectangular available on request.
    Also available in Grade 00 as per DIN 876.
    Sizes offered from 200x300mm to 8000x2000mm
    Other sizes are also offered on request. 


    Physical Property of Jinan Black Granite:

    Specific Gravity: 3.03 g/cm3
    Shore Hardness: > 70Hs-80Hs
    Tensile strength: 211Kg/cm2
    Compressive Strength: 245-254Mpa
    Linear Expansion Coefficient: 4.61´10--6/°C
    Elastic Modulus: 30-50Gpa
    Water Absorptivity: ≤0.13%

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    Tel:+86 180 3272 6169

    E-mail: ada@willingmachine.com

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