1. Before polishing the valve plate, it is necessary to grind and polish the valve plate in order to improve the surface quality of the valve plate. However, in practical work, the product is often scrapped due to the failure to achieve the expected effect during abrasive polishing.

2. According to the different requirements of valve plate materials with different thicknesses in the valve plate, different concentrations and particle sizes of Grinding Compounds and grinding methods are selected, and the ground valve plate is subjected to heat treatment or subjected to abrasive polishing again after heat treatment.

3. All products must undergo quality inspection before leaving the factory.

4. All materials in the valve plate are not allowed to use any surface treatment agents to avoid affecting product quality.

5. Due to the complex polishing process of valve plates, their production costs are high; Especially for some special materials such as glass, their surface roughness and accuracy requirements are higher.

6. There are also requirements for the grinding tools used for valve disc grinding, including high-speed steel grinding wheel and grinding wheel grinding disc.

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