Injection Molding
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Glass Fibre wall thickness too thick
Problem Phenomenon
Glass Fibre product wall thickness is 10-15% thicker than the design value
Cause Analysis
holding pressure too high, excessive compaction; injection amount too much, overflowing into thick-wall regions; gate too large, holding pressure excessively transmitted
Solution
1) reduce holding pressure to a moderate level; 2) precisely control injection amount; 3) reduce gate size to limit holding pressure transmission
Key Takeaway
excessive wall thickness is caused by excessive holding; precisely controlling injection amount and holding is key
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