Problema e solução

Respostas práticas para os desafios comuns dos materiais plásticos

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Q

PTFE Large Product Limitations

A

PTFE large products must break through compression molding thinking; processes such as winding expand boundaries; size effects need special verification.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Extrusion & Post PTFE;large;compression molding;winding;equipment;verification

Q

PTFE Machining Chipping

A

PTFE machining must control cutting force and stress; tool sharpness is the foundation; aging verification ensures precision.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Processing Machinery PTFE;machining;chipping;tools;stress;precision

Q

PTFE Paste Extrusion Lubricant

A

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

Extrusion & Post PTFE;paste extrusion;lubricant;removal;compatibility;residue

Q

PTFE Pre-pressing Insufficient Degassing

A

PTFE pre-pressing degassing is the premise of final pressing quality; slow pressing is the operation point; air entrainment prevention starts from loading.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Production & Quality PTFE;pre-pressing;degassing;pores;pressing speed;loading

Q

PTFE Thick-Walled Parts Insufficient Pressure

A

PTFE thick-walled part pressure management should take the high value of the range; pressure transfer decay needs holding pressure compensation; section inspection is a verification means.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recur...

Processing Machinery PTFE;thick wall;pressure;density;holding pressure;looseness

Q

PTFE Filling Mixing Unevenness

A

Mixing uniformity of PTFE filling modification determines performance consistency; density difference is a physical challenge; sampling inspection is quality assurance.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Processing Machinery PTFE;filling;mixing;glass fiber;uniformity;stratification

Q

PTFE Mold Sticking

A

PTFE mold's Ra0.8 polishing standard is the anti-sticking foundation; stainless steel material is the standard choice; demolding design is considered upfront.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Molds & Tooling PTFE;mold sticking;demolding;polishing;Ra0.8;stainless steel

Q

PTFE Inaccurate Loading Amount

A

PTFE loading accuracy of ±1% is the premise of density uniformity; the weighing method is more reliable; operation specifications reduce human differences.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Processing Machinery PTFE;loading;accuracy;weighing;density;calibration

Q

PTFE Improper Cooling Rate

A

PTFE cooling rate 30℃/h is the quantified standard for preventing stress; crystallinity management runs through the entire cooling process; curve records support traceability.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Production & Quality PTFE;cooling rate;30℃;deformation;crystallinity;curve

Q

PTFE Sintering Temperature Out of Control

A

The 360~400℃ window of PTFE sintering temperature is the process core; temperature uniformity needs equipment guarantee; the decomposition red line concerns safety.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Molding Process PTFE;sintering temperature;360℃;decomposition;furnace temperature;calibration

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