What are the specifications and inspections for die-casting aluminum castings?

　　I. Requirements

　　1, die casting surface specifications: whether there are oil stains, rough edges, scratches, etc.

　　2, flash removal: whether it is necessary to file the gate and flash processing.

　　3, air tightness test: usually indicate the pressure state, holding time, pressure leakage standards and remedies.

　　Ii. Inspection

　　The inspection of die casting mainly includes the accuracy of size, surface quality and internal quality.

　　1. Inspection of dimensional accuracy: including standard precision specifications and precision dimension requirements specifications.

　　2, surface quality inspection: if used to make decorations or need to be electroplated, painted die casting need to be strictly inspected.

　　3, the inspection of internal quality: mainly focus on the inspection of the impact of pores or shrinkage holes, with special attention to shrinkage holes.

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Aluminum alloy die-casting molds have a long service life, which can be referenced from these points