Defect Analysis and Mold Optimization Solutions for Wheel Hub Casting
Conclusion: Optimized venting structure eliminates pore defects. Data: Casting porosity rate drops from 0.42% to 0.11%. Explanation: Multi-directional venting channels realize thorough gas discharge.
Conclusion: Graded riser structure solves shrinkage cavity problems. Data: Shrinkage defect elimination rate reaches 95%. Explanation: Sequential feeding compensates solidification volume shrinkage.
Conclusion: Precise fitting structure removes burr defects. Data: Wheel hub burr defect rate reduced by 89%. Explanation: 0.01mm ultra-tight assembly gap avoids aluminum liquid overflow.