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What Is The Difference Between The Die Casting Mould And The Injection Mold?
Jun 13, 2018

When it comes to mold, people often associate die casting mold with injection mold, but the difference between them is still very large.


Because die casting is filling liquid mold or semi liquid metal at high speed, mold cavity is formed and solidified under pressure to obtain die casting. It is generally used in metal material, and injection molding is the main method of molding thermoplastic plastics. Thermoplastic plastics are made from thermoplastic resin. It can be heated and softened repeatedly and solidified. It is a physical process, reversible, which can be used to recycle plastic, although both of them are used to mold the product. However, although the working principle is not very different, the material is different, and the mold used naturally is also different.

1. the injection pressure of die-casting dies is large, so the template requirements for moulds are relatively high, and they should be relatively thick to prevent deformation.

2. the gate and the injection mold of the die casting die are also different. The high pressure of the diverter cone should be needed for the material flow.

3. die casting mold kernel does not need fire, because the die casting die cavity temperature is high, it is equivalent to a sudden fire, and injection mold needs to be treated with sudden fire.

4. die casting mold cavity should be nitriding to prevent the alloy cavity.

5. generally die casting die corrosion is relatively large, the outer surface will usually be blued.

6. the injection mold usually depends on the thimble, the surface type can exhaust, the die casting mold must open the exhaust slot and the slag collection bag.

7. die casting die with a higher requirement of split face matching, it should be a lot better liquid than plastic, high temperature and high pressure flow from the split face will be very dangerous.

8. the die casting mould is compared with the injection mold, the distribution part of the die casting die is larger with the gap, because the high temperature of the die casting process will cause the thermal expansion. If the gap is too small, the die will die.


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