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Granite machinacal part series of worktable
Product Speciality:
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.
6. Wear resistance long service life.
7. Any cutting or scraching for working surface does not bring about rough edges which might influence its measuring precision.
8. Non magnetization.
9. Glossy surface without sluggishness when the workpieces or tools are moving on it
Technical paramter:
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%
Product Application:
Mainly used to produce and inspection of precision instrument, precision tool, mechanical component in modern industry and scientific research institutes.
We are able to manufacture the Granite Surface Plate with the good and stable flatness according to standard of DIN/JIS/GB. and Provided with Supporting Stand.
Specifications :
| Specification | Precision Grade (μm) | Packing VOL (mm) | Gross weight | |||
| Grade 000 | Grade 00 | Grade 0 | Grade 1 | (kgs) | ||
| 160x100x50 | 0.8 | 1.5 | 3 | 6 | 270x210x150 | 8 |
| 160x160x50 | 0.8 | 1.5 | 3 | 6 | 270x270x150 | 9 |
| 250x160x50 | 0.9 | 1.8 | 3.5 | 7 | 370x270x150 | 11 |
| 250x250x50 | 0.9 | 1.8 | 3.5 | 7 | 370x370x150 | 13 |
| 300x200x50 | 0.9 | 1.8 | 3.6 | 7 | 410x270x180 | 15 |
| 300x300x70 | 1 | 1.9 | 3.8 | 7.5 | 410x370x200 | 27 |
| 400x250x70 | 1 | 2 | 4 | 8 | 510x470x200 | 30 |
| 400x400x70 | 1.2 | 2.3 | 4.5 | 9 | 528x488x210 | 46 |
| 630x400x100 | 1.3 | 2.5 | 5 | 10 | 740x490x270 | 94 |
| 630x630x100 | 1.3 | 2.5 | 5 | 10 | 750x730x270 | 155 |
| 800x500x100 | 1.4 | 2.7 | 5.3 | 11 | 920x600x280 | 155 |
| 900x600x100 | 1.5 | 2.9 | 5.7 | 11.5 | 1000x660x200 | 200 |
| 1000x630x150 | 1.5 | 3 | 6 | 12 | 1120x740x330 | 335 |
| 1000x750x150 | 1.6 | 3.2 | 6.3 | 12.5 | 1250x950x330 | 398 |
| 1000x1000x150 | 1.8 | 3.5 | 7 | 14 | 1250x1230x330 | 532 |
| 1600x1000x200 | 2 | 4 | 8 | 16 | 1870x1230x370 | 1080 |
| 1600x1600x200 | 2.4 | 4.8 | 9.5 | 19 | 1870x1830x370 | 1730 |
| 2000x1000x200 | 2.4 | 4.8 | 9.5 | 19 | 2270x1230x400 | 1345 |
| 2000x1600x250 | 2.5 | 5 | 10 | 20 | 2310x1830x460 | 2622 |
| 2500x1600x300 | 2.9 | 5.8 | 11.5 | 23 | 2810x1830x510 | 3872 |
| 3000x2000x400 | 3.3 | 6.5 | 13 | 27 | 3350x2230x670 | 7651 |
| 4000x2000x500 | 4 | 8 | 16 | 32 | 4400x2230x800 | 12800 |
| 4000x2500x500 | 4.4 | 8.8 | 17.5 | 35 | 4400x2730x800 | 16000 |
Granite machinacal part series of worktable