Problema e solução

Respostas práticas para os desafios comuns dos materiais plásticos

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Q

GPPS Obvious Weld Lines

A

Weld line management of transparent parts should take both appearance and strength into account; design avoidance takes priority over process remedies.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Processing Machinery PS;GPPS;weld line;transparent;gate;strength

Q

PP Thin-Wall High-Speed Part Defects

A

PP ultra-thin-wall high speed is an extreme process, precise control of pressure 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...

Processing Machinery thin wallhigh speedflashMFI

Q

PP Transparent Part Haze

A

For PP transparent part haze check crystallization, nucleating agent is the key; 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 transparencyhazenucleating agentcrystallization

Q

PP EPP Foaming Defects

A

EPP foaming depends on the steam process, bead fusion determines strength; 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 EPPfoamingsteambeads

Q

PP Surface Hardness Scratch

A

PP fears scratching, protective coating plus hard fillers; 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 scratchhardnesscoatingfiller

Q

PP Color Difference Between Batches

A

PP color difference controls heat history and color masterbatch, uniform crystallization is also important; 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 ...

Processing Machinery color differencecolor masterbatchregrindcrystallization

Q

PP Weathering Aging

A

PP fears UV, outdoor parts must add stabilizers or weather-resistant grades; 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 weather resistanceUVchalkingHALS

Q

PP FDM Warpage

A

PP printing has the dual difficulties of warpage and adhesion, special glue plus insulation; 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 problem...

Processing Machinery FDM warpageadhesionchamberbrim

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 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

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