Granite platforms have the advantages of high precision, rust resistance, acid and alkali resistance, non magnetization, invariance, and good wear resistance. Granite slabs can maintain stability under heavy loads and general temperatures. Our company produces precision measuring tools for granite slabs, which are made from high-quality natural granite slabs processed by machinery and finely ground by hand.
Granite platform: It is a precision reference measuring tool made of natural stone materials, which is an ideal reference surface for the inspection of instruments, precision tools, and mechanical parts. Granite flat plates are especially used for high-precision measurement. Granite slabs are made from high-quality rock layers underground, and after billions of years of natural aging, their shape is extremely stable, without worrying about deformation due to conventional temperature differences. Granite slabs have undergone rigorous physical testing and selection of granite materials, resulting in fine crystallization and a hard texture. Due to its non-metallic nature, granite has no magnetic reaction or plastic deformation. Granite slabs have high hardness, therefore they have good precision retention.
Granite platform: Even if rock tools are hit by heavy objects during use, at most a few pieces of gravel will fall off. Granite slabs are superior to precision measuring reference parts made of high-quality cast iron and steel, and can achieve high and stable accuracy. The 1000 × 630mm '00' grade granite slab produced by our company can still maintain its original accuracy after being stored for one year.
Characteristics and advantages of granite platform:
1. Rocks undergo long-term natural aging, with uniform organizational structure, extremely low coefficient of linear expansion, complete disappearance of internal stress, and no deformation, resulting in high accuracy.
2. Good rigidity, high hardness, and strong wear resistance.
3. Not afraid of acid and alkali erosion, will not rust, does not need to be oiled, is not easy to stick to dust, easy to maintain, and has a long service life.
4. No scratches, not hindered by constant temperature conditions, and able to maintain temperature measurement accuracy at room temperature.
5. Non magnetized, able to move smoothly during measurement, without any sluggishness, not affected by moisture, and the plane is properly weighed.
Specifications(mm) | WeightKg | Accuracy level | |||
Level 000(um) | Level 00(um) | Level 0 accuracy(um) | Level 1 accuracy(um) | ||
300×200×50 | 14 | 1.5 | 3 | 5.5 | 11 |
300×300×50 | 19 | 1.5 | 3 | 5.5 | 11 |
400×300×70 | 21 | 1.5 | 3 | 6 | 12 |
400×400×100 | 48 | 2 | 3.5 | 6.5 | 13 |
630×400×100 | 76 | 2 | 3.5 | 7 | 14 |
600×600×130 | 155 | 2 | 4 | 8 | 16 |
800×500×130 | 156 | 2 | 4 | 8 | 16 |
1000×630×150 | 284 | 2.5 | 4.5 | 9 | 18 |
1000×750×150 | 338 | 2.5 | 4.5 | 9 | 18 |
1000×1000×150 | 450 | 2.5 | 5 | 10 | 20 |
1200×800×150 | 432 | 2.5 | 5 | 10 | 20 |
1600×1000×200 | 960 | 3 | 6 | 12 | 24 |
2000×1000×250 | 1500 | 3.5 | 6.5 | 13 | 26 |
2000×1600×300 | 2880 | 3.5 | 7 | 14 | 28 |
2500×1600×300 | 3600 | 4 | 8 | 16 | 32 |
3000×2000×400 | 9000 | 4.5 | 9 | 18 | 36 |
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