문제 및 해결책

일반적인 플라스틱 재료 문제에 대한 실질적인 답변

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Q

PP Cold Slug Mark

A

For PP cold slug marks check nozzle and cold slug well; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar problems in the future

Molds & Tooling cold slug marknozzlecold slug wellinjection speed

Q

PP Tiger Stripe

A

For PP tiger stripes stabilize temperature and speed; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar problems in the future

Molds & Tooling tiger stripefronttemperaturespeed

Q

PP Jetting Mark

A

PP jetting marks rely on gate wall-hitting arrangement; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar problems in the future

Molds & Tooling jetting markgateagainst wallinitial speed

Q

PP Flow Mark

A

For PP flow marks increase temperature and stabilize speed, rapid solidification is the internal cause; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for simi...

Injection Molding flow markmold temperatureinjection speedsolidification

Q

PP Dimensional Deviation

A

PP dimensions are affected by crystallization and post-crystallization, lock the process plus SPC; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar p...

Molds & Tooling dimensional deviationshrinkagecrystallizationSPC

Q

PP Stress Cracking

A

For PP stress cracking check medium and low temperature, annealing and copolymer respond; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar problems i...

Processing Machinery stress crackingmediumannealinglow temperature

Q

PP Ejector Whitening and Cracking

A

For PP ejector whitening check cooling and ejection balance; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar problems in the future

Molds & Tooling ejector whiteningejector pincoolingejection

Q

PP Mold Sticking and Scratching

A

PP mold sticking is due to shrinkage gripping, reduce holding pressure and check draft; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar problems in ...

Molds & Tooling mold stickingshrinkageholding pressuredraft

Q

PP Discoloration Yellowing

A

For PP yellowing check heat history, oxidative degradation is the root; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar problems in the future

Processing Machinery discolorationoxidationregrindcolor masterbatch

Q

PP Black Speck Degradation

A

For PP black specks check dead corners and regrind, degradation over 280°C is the root; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar problems in ...

Molds & Tooling black speckcarbonizationdead cornerdegradation

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카테고리

전체 주제 11636 Material Drying 1439 Injection Molding 1506 Molding Process 740 Molds & Tooling 1506 Processing Machinery 2025 Extrusion & Post 2239 Blow Molding 315 Thermoforming 141 Material Analysis 1343 Production & Quality 382