Injection Molding
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Screw and Barrel Wear in LCP '2079851475616104452
Problem Phenomenon
When processing LCP containing glass fiber/mineral fiber, the equipment wears extremely fast.
Cause Analysis
At LCP processing temperatures of 330-390°C, the material viscosity is high, glass fiber and mineral fiber are highly abrasive to metal, and high temperature reduces metal strength.
Solution
Use ultra-wear-resistant bimetallic screws and barrels (Ni/Cr-based alloy + WC coating); regularly check the clearance.
Key Takeaway
Ultra-high temperature processing of LCP is a severe test for equipment.
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