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Quality requirements for die casting pot products
Date: 2019/4/21 hits: 1899
Die-casting pot products are used in people's lives, so it has three characteristics. First, its raw materials can not contain harmful substances, second, it can not foam after baking, and third, the appearance should be beautiful, and there should be no short casting defects. To this end, the quality requirements of die casting pot products should include the following aspects:
(1) The raw materials of the pot contain the pot body and the coating shall not contain any elements harmful to human health. For example, the aluminum material shall not contain lead or arsenic, and some or even the copper and zinc content shall have a certain standard; the coating must be Use Teflon materials and so on.
(2) After the die casting, the appearance of the castings is not allowed to be cold and flow marks. Due to its existence, after the shots of the castings, the skinning phenomenon will occur.
(3) After casting gold processing (such as the bottom of the car and the side of the car), there shall be no pinholes in the surface of the processing.
(4) After the casting needs to be heated (according to the sintering temperature of the coating required for the casting), there shall be no bubbles present on the exterior.
(5) After the castings have been cleaned and polished, there shall be no shortcomings such as lack of meat, flesh, scars, pitting, and burrs.
(6) The deformation of the casting must be within the allowable range. The covered die-casting pot must be ensured to be flattened.
(7) The appearance of the casting must not have shrinkage, so it is necessary to strictly control the mold opening too early in the die casting process.
(8) After the castings are painted, there shall be no blistering, pitting, flow marks or wrinkles (rework) on the exterior. The color shall conform to the requirements of the samples. The sintered coating shall pass the relevant coating function requirements.
In summary, the quality requirements of die-casting pot products have certain special characteristics compared with other die-casting products, and their overall quality requirements, even exceed the car die-casting parts.

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