David Lee

1. Process Principles Comparison Process Pressure Source Filling Method Typical Pressure Range High Pressure Casting (HPDC) Hydraulic or mechanical pressure Molten metal injected at high speed 50~150 MPa Low Pressure Casting (LPDC) Compressed gas (inert gas) Molten metal fills mold slowly from bottom 0.01~0.1 MPa Gravity Casting Natural gravity (no external pressure) Molten metal flows […]

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