granite machine base

Granite Machine Base


Product specialty is as the following:

1.Made of high quality Natural Black Granite
2.High precision and high stability.
3.No rust and anticorrosion.
4.Non magnetization.
5.Good abrasion resistance.


Physical Property of Natural Black Granite:

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


We can provide our customers with a great variety of precision granite machine components used on Coordinate Measuring Machines(CMM), Laser Machining

and Inspection Machines, Drilling Machines for PC Board, Engraving and Milling machines and many kinds of CNC.

Drawing are quite welcome