Problema e solução

Respostas práticas para os desafios comuns dos materiais plásticos

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Q

PC/ABS cooling system design

A

Cooling design is the core of deformation prevention.; 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 later

Processing Machinery PC/ABS；cooling；water channel；conformal；temperature difference；deformation

Q

PC/ABS holding pressure profile

A

The holding pressure profile must balance shrinkage compensation and overpacking.; 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 later

Processing Machinery PC/ABS；holding pressure；profile；sink mark；flash；balance

Q

PC/ABS injection speed profile

A

Multi-stage injection is the basis of fine molding.; 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 later

Injection Molding PC/ABS；injection speed；profile；multi-stage；jetting；overpacking

Q

PC/ABS venting design

A

Venting design is a mandatory item for molds.; 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 later

Molds & Tooling PC/ABS；venting；trapped air；burnt；end；maintenance

Q

PC/ABS gate design

A

Gate design affects stress distribution.; 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 later

Molds & Tooling PC/ABS；gate；design；shear；stress；submarine type

Q

PC/ABS demolding draft

A

Draft and polishing are the demolding guarantee.; 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 later

Molds & Tooling PC/ABS；demolding draft；drag marks；polishing；ejection；clinging

Q

PC/ABS hot runner dead corner

A

Intermittent black streaks point to hot runner retention.; 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 later

Molds & Tooling PC/ABS；hot runner；black streak；dead corner；degradation；cleaning

Q

PC/ABS material change cleaning

A

Material change cleaning is the key to delamination prevention.; 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 later

Extrusion & Post PC/ABS；material change；cleaning；contamination；delamination；process

Q

PC/ABS flame retardant exudation

A

Exudation points to additive migration; formula confirmation is fundamental.; 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 later

Processing Machinery PC/ABS；flame retardant；exudation；migration；temperature；formula

Q

PC/ABS color matching color difference

A

Color difference relies on color masterbatch and temperature control management.; 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 later

Processing Machinery PC/ABS；color difference；color masterbatch；metering；temperature；test

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