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المشاكل والحلول

إجابات عملية على التحديات الشائعة في مواد البلاستيك

1506 سؤال
Q
PI compression molding and sintering product cracks
A
The heating and cooling control of PI sintering is the key to preventing cracking
Molds & Tooling compression molding and sinteringcrackspreformingheating ratecooling rate
Q
Product stress cracking
A
The stress cracking problem of PES can be solved by annealing and optimizing the design
Molds & Tooling stress crackingannealingmold temperaturesharp cornersdesign optimization
Q
Insufficient mold filling flow length
A
PES requires higher processing temperature and mold temperature to assist filling
Molds & Tooling mold fillingmelt temperaturemold temperaturemelt viscosityflow window
Q
PEI processing comprehensive problem - high-temperature mold
A
Q
Multi-gate product low weld line strength
A
The rigid molecular chain characteristics of PEI make weld lines particularly weak areas
Molds & Tooling weld linenumber of gatesmelt temperaturemolecular diffusionsequential valve
Q
Product dimensional accuracy difficult to control
A
The dimensional accuracy of PEI products is highly dependent on the stability of process parameters
Molds & Tooling dimensional accuracyshrinkage ratemold temperatureholding pressuretolerance control
Q
Pitting on the mold cavity
Q
Product stress cracking
A
Annealing is an effective method to eliminate internal stress and prevent cracking in PEI products
Molds & Tooling stress crackingannealingmold temperaturestress concentrationsharp corners
Q
High-viscosity melt mold filling difficulty
Q
PEEK processing comprehensive problem - mold temperature
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