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What are the characteristics of copper and aluminum casting?

The characteristics of aluminum alloy gold gravity copper aluminum casting are:


   1. The surface finish of the product is not high, and it is easy to produce pits after shot blasting.


   2. Aluminum castings have few internal holes and can be heat treated.


   3. The product has low density, poor strength, but high elongation.


   4. Low mold cost and long mold life.


   5. The production efficiency is low, which increases the production cost.


   6, the process is relatively simple, not suitable for the production of thin-walled parts.


  Usually, the molten aluminum of gravity copper-aluminum casting is manually poured into the gate. It relies on the self-weight of the gold liquid to fill the cavity, vent, cool and mold to obtain samples. The process is generally: molten aluminum smelting, pouring, exhaust, cooling, mold opening, cleaning, heat treatment, and processing.


  Aluminum alloy gold gravity copper-aluminum casting refers to the process of injecting aluminum into a mold under the action of gravity. Gravity copper-aluminum casting is divided into: sand-type copper-aluminum casting, metal (steel mold) copper-aluminum casting and lost foam copper-aluminum casting.


   Nowadays, gold is a kind of mold (steel mold) casting. The mold is made of heat-resistant gold steel. The strength, size and appearance of cast aluminum castings are higher than other copper and aluminum casting processes.


  铝金砂型铜铝铸造是使用砂子制造模具。砂型铜铝铸造需要将完成的零件模型或木制模型(模型)放入沙子中,然后用模型填充模具,然后拆开模型以形成模具。为了在铜铝铸造金属之前删除模型,应将模具分为两个或更多部分;在模具制造过程中,必须将金属的孔和排气孔浇铸到模具中,即合成浇铸系统。铸件金是液体,并保持适当的时间,直到金凝固为止。拆下零件后,模具被销毁,因此必须为每个铸件制作一个新的模具。

  铜铝铸造是指其中一种在室温下为液态但在注入特定形状的模具后立即固化以固化并形成的物质的过程。大部分要铜铝铸造的材料是金属(例如铜,铁,铝,锡,铅等),它们最初是固体,但加热到液态后,模具的材料可以是020 -2、金甚至陶瓷。使用的方法将根据要求而变化。以这种方式生产的产品称为铸件。

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