يوم: 02/03/2026

There are many methods for measuring flatness, here are several common ones:Gap gauge measurement method: The gap gauge is mainly used for the measurement of clearance spacing, and can only be used for rough measurement of flatness. Before use, the and dust on the gap gauge and the workpiece must be removed. When using, one…

I. Granite platforms are made of granite raw material. The main mineral composition includes hornblende, plagioclase, and biotite, with a small amount of magnetite. It has a black color, precise structure, and has been aged for millions of years. It has a uniform texture, good stability, high strength, and high hardness, and can maintain high…