How important is the exact location of the parting line on the casting, where the die casting die halves meet?

A. Location of the die casting's parting line, on which the die caster must have the last word for successful production, affects part aesthetics, integrity, mechanical properties, dimensions and the simplicity with which the casting can be trimmed. For cosmetic surfaces, the small ridges of flash remaining where the two die halves join must be removed or the parting line relocated.

To maintain mechanical properties and dimensions in critical areas, the parting line may need to be relocated. An inappropriate parting line location can also result in more complicated and costly trimming operations. More.

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