Molds & Tooling
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PTFE Improper Pressing Speed
Problem Phenomenon
Too fast PTFE pressing produces impact-type pressing, product internal stress and cracks, uneven pressure distribution.
Cause Analysis
The pressing process requires slow and uniform; impact-type pressing produces pressure peaks; improper mold fit aggravates it; poor press alignment.; When troubleshooting on site, verify item by item according to this mechanism, avoiding blind machine adjustment based only on experience
Solution
①Press slowly and uniformly, prohibiting impact-type; ②Place the mold at the center of the press table with firm connection; ③Pressing speed specification training; ④Equipment alignment inspection.; After adjustment, continuously sample to verify the effect, confirm stability before resuming mass production
Key Takeaway
Slow and uniform PTFE pressing is the key to preventing internal stress; equipment alignment and mold fit are hardware guarantees; operation training prevents human errors.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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