Injection Molding
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Uneven bubbles in gas-assisted injection molded products
Problem Phenomenon
In gas-assisted molding, gas penetration is uneven and wall thickness is inconsistent
Cause Analysis
Gas pressure is insufficient or fluctuates; uneven melt temperature causes gas penetration path changes; gas channel design is unreasonable
Solution
Optimize gas channel geometry design; stabilize gas pressure and injection process parameters; use mold flow analysis to predict gas penetration
Key Takeaway
Gas-assisted molding requires precise control of the interaction between gas and melt
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