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metal stamping partsGas block, cast parts under the surface lubrication, but the shape is irregular, it is difficult to set the overflow system, gas accumulation; When the molten metal to move, turbulence is strong, gas are closed. 3 it is plastic cavity with residue, dosage of coating or coating method is undeserved, cause local coating deposition. Solution to the die casting crack: improving the structure of the...0 Commentaires 0 Parts 81 Vue 0 Aperçu