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The Design and Development Direction of Aluminum Alloy Die Casting

The Design and Development Direction of Aluminum Alloy Die Casting

The Design and Development Direction of Aluminum Alloy Die Casting

With the increasing requirements of emission and environmental protection in the world, especially the demand of new energy vehicle drive efficiency, the demand of lightweight in automotive design is increasing. Aluminum alloy is one of the cost-effective materials for lightweighting, so it is widely used in automotive parts, but at the same time, aluminum alloy die castings have put forward higher requirements.

Aluminum die casting is gradually becoming larger and thinner walled

In order to reduce assembly and welding costs, the host plant, aluminum alloy parts design to integration, large and thin-walled direction. Platform production and increasingly high functional requirements, so that aluminum alloy die casting towards the size of increasingly large, increasingly complex structure of the direction of development.

The dimensional accuracy of aluminum alloy castings is becoming more and more demanding

In order to improve the utilization rate of the vehicle space, the fit clearance between parts is getting smaller and smaller, the tolerance range of dimensions is getting smaller and smaller, and must meet the different temperature use scenarios - that is, to ensure the stability of the dimensions under high or low temperature use conditions at the same time. In order to improve dimensional stability, the foundry has higher requirements for process control tolerance range (such as pouring temperature), material formulation selection and casting residual stress.

Aluminum alloy die casting mechanical performance requirements are increasingly high

In order to more effectively reduce the weight of the aluminum alloy parts themselves, so as to better meet the requirements of automotive lightweight and cost control, aluminum alloy die casting wall thickness is getting thinner and thinner, but also does not allow the reduction of structural strength and fatigue strength, which requires the mechanical performance of material of aluminum alloy die casting to be increasingly high.


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