Injection Molding
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Clamping force directly affects product quality and mold safety
Problem Phenomenon
Clamping force directly affects product quality and mold safety
Cause Analysis
Insufficient clamping force produces flash
Excessive clamping force, mold deformation or increased product internal stress
Clamping force setting not calculated based on cellulose acetate butyrate injection pressure
Clamping force fluctuates unstably
Multi-cavity mold clamping force distribution uneven
Solution
Clamping force ≥ projected area × injection pressure × 1.1-1.2 safety factor
Avoid excessive clamping force increasing internal stress
Reasonably calculate based on cellulose acetate butyrate injection pressure
Stabilize the clamping force system
Ensure uniform force on multiple cavities
Key Takeaway
Clamping force needs to be calculated based on projected area and injection pressure
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