Molds & Tooling
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PA66 industrial monofilament
Problem Phenomenon
PA66 monofilament for paper-making screens elongates and deforms during operation
Cause Analysis
Paper-making screens are subject to sustained tension, PA66 creep relaxes the screen surface and affects dewatering uniformity; during on-site troubleshooting, verify item by item according to this mechanism, avoiding blindly adjusting the machine based only on experience
Solution
Select low creep high modulus monofilament grades for paper-making screens; heat setting process to stabilize dimensions; periodic tension detection; after adjustment, take continuous samples to verify the effect, confirm stability before resuming mass production
Key Takeaway
Industrial monofilament dimensions are controlled by creep and heat setting; after confirming effectiveness, fix the parameters and practices into the work instructions to prevent recurrence; include this case in the defect archive as a troubleshooting reference for subsequent similar problems
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