Material Drying
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Glass Fibre feeding bridging
Problem Phenomenon
Glass Fibre hopper material bridging, no discharge, extrusion material interruption
Cause Analysis
Glass Fibre pellet shape irregular, bridging; hopper design improper, cone angle too large; material contains moisture and agglomerates
Solution
1) Install vibrator on hopper to break bridging; 2) reduce hopper cone angle to <30°; 3) dry raw material to prevent agglomeration; 4) forced feeding screw
Key Takeaway
Bridging is caused by pellet characteristics and hopper design; vibrator and hopper modification are key
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