Extrusion & Post
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PTFE Paste Extrusion Lubricant
Fenómeno do problema
Lubricant is not completely removed after PTFE paste extrusion, causing uneven product surface and internal cavities, sintering defects.
Análise das causas
Paste extrusion uses lubricants to assist molding; lubricant compatibility with PTFE; removal process temperature and time; residue forms defects.; When troubleshooting on site, verify item by item according to this mechanism, avoiding blind machine adjustment based only on experience
Solução
①Select compatible lubricants; ②Effectively remove lubricant before sintering; ③Removal process verification; ④Residue detection.; After adjustment, continuously sample to verify the effect, confirm stability before resuming mass production
Conclusão principal
Lubricant management of PTFE paste extrusion is a unique subject; compatibility selection is the foundation; removal verification prevents defects.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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