The design of Lead Die Casting involves four aspects:

1. The requirements of pressure casting on the shape and structure of parts;

2. Technological properties of lead die casting;

3. Dimensional accuracy and surface requirements of lead die casting;

4. Determination of parting surface of lead die casting;

Parts design of lead die casting is an important part of die casting production technology, and the following problems must be considered in design: selection of parting surface, opening of gate, selection of ejector pin position, shrinkage of castings, guarantee of dimensional accuracy of castings, prevention of internal defects of castings, requirements of casting holes, shrinkage deformation and size of machining allowance, etc.

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