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Custom casting parts are widely used, and have been used in the hardware and the mechanical and electronic industries. The quality of casting mainly includes appearance quality, internal quality and use quality.
Custom casting parts quality has a great influence on the performance of mechanical products. For example, the wear resistance and dimensional stability of machine tool castings directly affect the accuracy of machine tool life. Various types of pump impeller, casing and hydraulic components of the cavity size, the accuracy and surface roughness, directly affect the pump and hydraulic system efficiency, energy consumption and the development of cavitation.