Injection Molding
5 조회수
Product has short shots, flash, or unstable dimensions
문제 현상
The product has short shots, flash, or unstable dimensions, related to the injection pressure setting
원인 분석
Injection pressure too high, producing flash and internal stress
Injection pressure too low, causing material shortage and short shot
Holding pressure set improperly, affecting dimensions and shrinkage
Pressure switchover point set unreasonably
Hydraulic system unstable, pressure fluctuation
해결 방법
Reasonably set injection pressure according to cellulose acetate butyrate characteristics
Holding pressure is usually 60-80% of injection pressure
Optimize the pressure switchover point (V-P switchover)
Check hydraulic system stability
Avoid excessive pressure producing flash
핵심 요약
Injection pressure needs to be reasonably set according to material and product
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