1.If the processing is high hardness materials, such as stone, metal, etc., should choose diamond grinding disc or high hardness grinding wheel. For example, when polishing marble, diamond water grinding is usually a better choice because of its excellent

1. Use the roughness measuring instrument to directly measure the surface roughness value after grinding. If the measurement results meet the desired roughness requirements, then the current abrasive particle size may be appropriate. 2. Observe the surfa

1. If the surface of the grinding object is very rough, there are obvious scratches, bumps or a large number of processing marks, you should first choose a coarse-grained grinding piece, such as 40-80 mesh. This can quickly remove a large amount of materi