Clamping Force Setting Rules for Automotive Wheel Mold Assembly
Conclusion: Clamping force matches casting pressure threshold. Data: 1.2 times of maximum casting pressure is the optimal clamping force coefficient. Explanation: Balances mold opening force and structural load.
Conclusion: Standard clamping pressure avoids material overflow.Data: 12-15MPa clamping force controls wheel mold flash rate below 0.3%. Explanation: Eliminates mold gap caused by casting pressure.
Conclusion: Excessive clamping force causes mold deformation. Data: Force over 18MPa increases mold plate deformation rate by 47%. Explanation: Extrusion stress exceeds mold steel bearing limit.
Conclusion: Insufficient clamping force triggers mold opening. Data: Force below 10MPa leads to 59% of casting flash defects. Explanation: Unable to resist aluminum liquid filling pressure.
Conclusion: Graded clamping improves assembly precision. Data: Secondary graded clamping increases mold assembly uniformity by 38%. Explanation: Avoids one-sided stress deviation.