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Quality control point for die casting pot production
Date: 2019/6/22 hits: 1895
To ensure the quality of the product, the quality control point of the die-casting pot must be established at the primary part of the entire production process. Below, the non-stick pan export manufacturers, die-casting pot manufacturers and non-stick pan manufacturers talk about the quality control points of the die-casting pot production according to the sequence of processes, the first of which is as follows:
1. The quality control point of the raw and auxiliary materials is the warranty document for the inspection of the aluminum ingot supplier and the auxiliary material supplier, and the chemical composition of the self-inspected aluminum ingot and aluminum liquid. And check the operation of the aluminum liquid degassing and slag removal process.
2. For the castings in the die-casting production, the first, last and process quality control points are set. The primary inspection content is the surface quality of the castings and the reflection of the bubbles after baking.
3, the quality control points of the process of picking up the castings, first check the quality of the castings after hand cleaning, car edge, polishing, shot blasting, sand blasting, etc., including lack of meat, scars, peeling and so on.
4, casting quality control points, the first inspection of surface quality, spray film thickness, sintering temperature, coating function test.
5, the quality control point of the bottom of the die-casting pot, the first to check the bottom of the car there are defects such as pinholes.
6, casting baking quality control points; focus on baking temperature, baking time, and quality inspection and response after baking.
7. The quality control point of the mold is mainly served by the quality technician of the mold department. It is checked whether the scale of the new mold equipment is correct, and whether the mold gate sleeve and the pressure chamber of the die casting machine are in conformity with each other. Assuming that the new mold has a special structure, check to see if it is in place. Old mold repair, check whether the repaired parts and repair orders are consistent, have not been lost, and so on.
8. Vacuum pump negative pressure quality control point: It is necessary to investigate whether the vacuum pump is operating normally and whether the vacuum negative pressure value reaches the process requirements.

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