[CHINA ALUMNIUM NETWORK] Because of the relatively slow speed of rolling and the factors that affect roll-off, such as the surface condition of workpieces, the complexity of shapes, finish requirements, drum speed, and the loading of workpieces in drums. Abrasives, etc., so it usually takes 2 to 4 hours. For this reason, if the parts do not have a smooth finish, and only to increase the brightness, then chemical polishing is recommended. Chemical polishing can increase work efficiency by tens of times.
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