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High Precision Granite Parallels
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Product Details
| Place of Origin | Shandong, China | Brand Name | GOLD STONE | |
| Model Number | A variety of specifications | Color | Black | |
| Surface Finishing | Other, Grinded, Polished | Stone Form | Block | |
| Stone Name | Jinan Black Granite |
Product Description
Granite Parallels
Applying the substitute equal height block to measuring the parallelism of components, it is supplied in pairs.
Granite Parallels
Our granite measuring devices and granite mechanical components are made of high qualityJinan Blackgranite.Due to their high precision,long duration,good stability and corrosion resistance,they have been more and more used in product inspection of modern industy and such scientific areas as mechanicalaerospace and scientific researches.
Physical Property ofJi Nan BlackGranite:
Specific Gravity: 2970-3070kg/m3
Compressive Strength: 245-254Mpa
Elastic Modulus: 30-50Gpa
Linear Expansion Coefficient: 4.61x10-6/0C
Water Absorptivity: ≤0.07
Shore Hardness: Above 70Hs
Granite Parallels
The "GOLD STONE"brand of granite measuring tools have the following characteristics:
1 High precision reliable stability resistant to deform and guaranteed accuracy under normal ambient temperature.
2 No-rust and anticorrosion.
3 Wear resistance long service life.
4 Any cutting or scraching for working surface does not bring about roughedgeswhich might influence its measuring precision.
5 Non magnetization.
6 Glossy surface without sluggishness when the workpieces or tools are moving on it.
Granite Parallels
TYPE(mm) |
Flatness of working surfaceparallelism of opposite surface |
squareness between working surfaces | HW Tolerance of h. w between a matched pair | |||
Precision grade | ||||||
00 | 0 | 00 | 0 | 00 | 0 | |
160x25x16 | 1.5 | 3 | 20 | 40 | 1.5 | 3 |
250x40x25 | 2 | 4 | 30 | 60 | 2 | 4 |
400x63x40 | 4 | 8 | 40 | 80 | 4 | 8 |
630x100x63 | 6 | 12 | 50 | 100 | 6 | 12 |
Contact Us
- Jinan Xinlei Precision Machinery Co., Ltd.
- Contact namePing Li Chat Now
- Phone86-531-88260054
- AddressNo. 41, Hehua Road, Huashan Town, Licheng District
Product Categories
| Granite measuring device | Granite mechanical components | Measuring instruments | New Products |
| Support for granite surface plates |
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