ZheJiang Dongrun Casting Industry&Trade Co,.Ltd
Aluminum Sand Casting,Gravity Die Casting,Aluminum Die Casting
Please Contact Us for more information
E-Mail:dongrun@dongruncasting.com
Unlike most of our competition, we offer three types of castings –
aluminum sand casting,
gravity die casting and
aluminum die casting.
We can also provide tooling, CNC machining, polishing, plating, heat treatment, pressure test, vacuum Impregnation, assembly and testing for your orders.
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Contact Information
Products Catagory
Dongrun Casting offer three types of castings – aluminum sand casting, gravity die casting and aluminum die casting. We can also provide tooling, CNC machining, polishing, plating, heat treatment, pressure test, vacuum Impregnation, assembly and testing for your orders.
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Core moldDescription
If the internal structure of gravity die casting part is very complex, can not open mold, the engineer will make the core or sliding block to resolve it. -
Making coreDescription
1. AS usually, the material is resin sand, the "resin sand" consists of sand and synthetic binders cured thermally or chemically. The resin sand becomes very hard when it is heated by electricity. -
Resin sand coreDescription
2. After the resin sand core is more harder, we can take out it from mold. If necessary, the resign sand core must be dried. If so, it is free of the porosity in castings
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