3. Blow-in, module when high temperature also should avoid to overlap, do it regularly, so that the deformation in the same direction for plastic correction fashion clip.4. Calibration fixture should use hard material, casting surface wear resistance, for the size of the bigger of the two parts to reasonably calculate the press or press tonnage, in order to avoid waste equipment or power is not enough, and so on.Precision casting great influence on mechanical product performance, quality is bad of precision castings will seriously affect the service life of mechanical products, so once found that deformation problems such as precision castings, must carry on the timely correction, so as not to influence the properties of mechanical product precision casting.
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