Problema e solução

Respostas práticas para os desafios comuns dos materiais plásticos

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Q

PPS Surface Jetting Marks

A

Jetting marks are controlled by the speed curve; low-viscosity materials need more attention.; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar ...

Molds & Tooling PPS;jetting marks;speed;gate;multi-stage injection;mold temperature

Q

PPS Mold Sticking and Difficult Demolding

A

PPS mold sticking is related to high mold temperature; demolding design must adapt to the high-temperature process.; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Molds & Tooling PPS;mold sticking;demolding;mold temperature;draft;ejection

Q

PPS Burning and Trapped Gas

A

PPS high-temperature processing has higher trapped gas risk; venting design must be sufficient.; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting simila...

Molds & Tooling PPS;burning;trapped gas;venting;speed;high temperature

Q

PPS Warpage Deformation

A

PPS warpage relies on mold temperature uniformity and orientation management; temperature difference control of high-temperature molds is the difficulty.; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Molds & Tooling PPS;warpage;mold temperature;crystallization;orientation;cooling

Q

PPS Mold Temperature Management and Crystallization

A

Mold temperature is the master switch of PPS crystallinity; high and uniform mold temperature is the premise for its performance.; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Molds & Tooling PPS;mold temperature;crystallinity;warpage;dimensional stability;distribution

Q

PPO Missing First Article Verification Causing Batch Scrap

A

PPO parameters are a starting point, not an end point; first article verification is the gate of mass production; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troub...

Molds & Tooling first article verificationgrade changemass productionprocess card

Q

PPO Glass Fiber Exposure Wearing Molds

A

40% glass fiber eats molds; wear-resistant steel plus regular detection is the response; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar proble...

Molds & Tooling mold wearglass fiberwear-resistant steelgate

Q

PPO Hot Runner Adaptation Problems

A

Hot runner temperature control accuracy determines success or failure for PPO; both blockage and stringing are temperature errors; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a re...

Molds & Tooling hot runnertemperature controlblockagestringing

Q

PPO Mold Deposit

A

PPO mold deposit is chronic accumulation, and a regular cleaning system preserves appearance; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar p...

Molds & Tooling mold depositprecipitationcleaningappearance

Q

PPO High-Gloss Grade Surface Maintenance

A

The face of PPO high-gloss parts lies in the mold, and polishing maintenance is routine homework; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting simil...

Molds & Tooling glossmold polishingappearancescratches

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