Black Granite Precision Surface Plate Slotted The T Groove

Black granite precision surface plate slotted the T groove. Granite precision Plate for Inspection tabletop with T groove on surface. Double 00 class precision granite surface plate for inspect instrument tabletop with 3 T-style grooves on the surface. Drilling holes, thread insert, slot groove, feet mount, all could been customizable.
This black Jinanqing precision granite surface plate, 00 class, the flatness meet 3um. 3 T-style groove should be parallel, straightness ≤4um. The granite plate for instrument inspection tabletop in the optical laboratory usually. Application with linear motor industrial field also. This granite precision tabletop dimension: 2000*1200*500mm, weight 3960kg. Give us a mail, tailor-made the granite plate which you designed in your minds. Drilling holes, thread insert, T-style groove insert, rubber feet mount, that all good.

Specification:

1. Specific Gravity(Proportion):3.30g/cm3 or 2970-3070kg/m2

2. Shore Hardness:>70Hs-80Hs

3. Tensile strength:211Kg/cm2

4. Compressive strength:254-254Mpa

5. Linear expansion Coefficient:4.61'10-6/ºC

6. Elastic Modulus:30-50Gpa

7. Water Absorptivity:≤0.13%

8. Flexible grinding capacity:1.27-1.47N/mm2

Our granite surface plate refers to the advanced standards of the leading countries, and its flatness tolerance is in accordance with the JB/T 7975-1999 Surface Plate:

Grade 000 =1x(1+d/1000)/μm

Grade 00 =2x(1+d/1000)/μm

Grade 0 =4x(1+d/1000)/μm

Grade 1 =8x(1+d/1000)/μm