Standard for Inspection of Die Castings in Aluminum Alloy Die Casting Plants

　　The inspection of aluminum alloy die-casting is to ensure the factory quality, appearance quality, and internal quality of die-casting parts, clarify the inspection standards for die-casting parts, quickly identify defects in die-casting parts, facilitate rework and maintenance. The inspection standards start from the appearance and structure of die-casting parts, visually inspect the quality of die-casting parts, and determine the treatment method. Next, let's take a look at the defects and judgment results of the depressurized castings together.

　　1、 Pattern: The traces of flow patterns on the surface of die castings can be visually inspected.

　　Judgment result: If the second processing does not affect the appearance and structure, it can pass the inspection.

　　2、 Scratches: Defects formed by collision and scratching of the surface of die castings with other objects.

　　Judgment result: If the second processing does not affect the appearance and structure, it can pass the inspection.

　　3、 Sand hole: a hole like defect formed on the surface due to unreasonable pouring system or other reasons.

　　Judgment result: If the second processing does not affect the appearance and structure, it can pass the inspection.

　　4、 Cracks: Cracks appear in the die cast parts.

　　Judgment result: Unqualified

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