Squeeze casting has many advantages over high pressure die casting(HPDC). Here we are discussing indirect aluminum squeeze casting, a process much closer to aluminum high pressure die casting. Alum squeeze casting can effectively avoid die casting defects and get high property casting products.
squeeze casting advantages 1—higher mechanical strength
Alum squeeze casting products have a higher mechanical strength than high pressure die casting. This advantage can be used to produce mechanical components that require high strength. For example, trailer hitch, support parts, connection parts, etc.These high-strength components are conventionally obtained using cast steel, cast iron or forging. The use of the aluminum squeeze casting process provides light weighting and reduced costs by more than 30% compared to forging.
The following table shows the mechanical strength parameters of the squeeze cast by A356 after T6 heat treatment.
| Yield strength / MPa | 220-240 |
| Tensile strength / MPa | 260-300 |
| Hardness / Hb | 80-100 |
| Density / g/cm³ | 2.70-2.72 |
squeeze casting advantages 2—near zero surface defects
Squeeze cast parts have very few porosity, shrinkage and shrinkage cracks, with near zero surface defects. These surfaces can be further machined to meet high finishing requirements and tolerances. This advantage can be used to produce some parts that requires high surface sealing performance. It avoids the problems of poor sealing and leakage caused by die casting defects like air holes and cracks. For example, valve seals component, pump parts, hydraulic disc brake components, etc.
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