Causes and solutions of strain problems in aluminum alloy die castings
Can be made for die casting aluminum alloy die casting auto parts, die-casting car engine fittings, die casting, air conditioning accessories, die-casting cylinder of engine cylinder head casting, die casting valve rocker arm, die-casting valve bearings, electrical accessories, die-casting motor end cover, die casting, die casting, die casting, pump shell shell building parts, die-casting parts, die-casting guardrail accessories, die-casting wheel parts and so on. With the continuous improvement of the development level of the domestic manufacturing equipment industry, the equipment level of die casting machine is also significantly improved, the types of parts that can be manufactured are also constantly expanded, and the precision and complexity of parts produced by die casting are also greatly improved.
China Aluminum Casting Manufacturer shares that the abrasion problem of aluminum alloy die casting is unavoidable. It is characterized by pulling marks on the casting surface caused by too small inclination of mold manufacturing due to metal adhesion in the direction of stripping. In severe cases, it becomes a pulling surface.
1. Alloy adhesion mold.
2. The iron content in aluminum alloy is less than 0.6%.
3. Casting ejection deviation or core axis deviation.
4. Core, wall pressure scars.
5. Rough wall surface.
6. Casting inclination of core and wall is too small or inclined.
7. Paint often less than spray.
1. Correct the mold to ensure the manufacturing slope.
2. Polish indentation.
3. Reasonably design the casting system to avoid metal flow hedging the core and wall and properly reduce the filling speed.
4. Modify mold structure.
5. Polish the surface.
6. The amount of paint is thin and uniform, can not spray paint leakage.
7. Appropriately increase the iron content to 0.6~0.8%.
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