Molding Process
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Feeding difficulty of high glass fiber content blends
Problem Phenomenon
Blends containing more than 40% glass fiber do not feed in the hopper
Cause Analysis
Inter-particle friction is large and flow is difficult; fibers bridge each other forming arches; particle surfaces are rough
Solution
Increase the hopper cone angle to >60°; install pneumatic or mechanical arch-breaking devices; control glass fiber content or particle size
Key Takeaway
The feeding problem of highly filled materials is a bottleneck for continuous production
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