Granite Box / Marble Box-Details:
Granite Square Box / Marble Square Box
1. It is a precision reference measurement tool made of natural stone materials. It is an ideal reference surface for the inspection of instruments, precision tools and mechanical parts. The marble square box is especially used for high-precision measurement. The marble square box is made of high-quality underground rock layers. After hundreds of millions of years of natural aging, the shape is extremely stable. Don't worry about the deformation due to the normal temperature difference.
2. Marble material that has undergone strict physical tests and selection has fine crystals and hard texture. Because marble is a non-metallic material, there is no magnetic reaction and no plastic deformation. Because of its high hardness, it maintains accuracy.
3. Even if it is hit by a heavy object during use, at most a few stones will be dropped. The marble square box is superior to the precision measurement reference parts made of high-quality cast iron and steel, and can obtain high and stable accuracy.
4. Its material is Jinan green, granite has black gloss, precise structure and uniform texture, good stability, high strength, and high hardness. The working surface is scraped or precision ground to measure the straightness and verticality of the workpiece. And equipment installation.
5. Test the flatness and verticality of parts, workpieces, machine tables, guide rails and precision work. The marble square box produced by our company has the advantages of high accuracy, no rust, acid and alkali resistance, non-magnetization, invariant shape, good abrasion resistance and so on. Can maintain stability under heavy load and general temperature.