Chapter3c casting design and defetcs

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Chapter3c casting design and defetcs

  1. 1. Chapter 3C: Casting - Design and defectsDESIGN CONSIDERATIONCan be carried out through experience, analytical methods, processsimulation and modeling, CAD-CAM to improve productivity and reducecasting defects and resulting in significant cost saving.General considerations for geometric features, tolerances and mold features- Design the part with simple shape – easy to cast- Select a casting process and a material suitable for the part, size, mechanical properties- Locate the parting line of the mold in the part- Locate and design the gating system (runner, risers, sprue) to allow - uniform feeding of the mold cavity- Proper control and good practiceRedesign of a casting by making the parting line straight to avoid defects.

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