Problem & Solution

Practical answers to common plastic material challenges

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Q

PCABS hot runner temperature

A

PC/ABS hot runner 240-260℃, preheating and temperature control are both 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 similar problems later

Molds & Tooling hot runnertemperature controlpreheatinggate

Q

PCABS mold temperature

A

Grade differences in PCABS mold temperature must be confirmed; high mold temperature is the quality choice; balance and optimize the cycle.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Molds & Tooling PCABS；mold temperature；60-100℃；surface；weld line；cycle

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 ejector whitening

A

Ejector whitening is a signal of local stress overload.; 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；ejector whitening；ejection；stress；cooling；draft

Q

PC/ABS black speck

A

Black specks point to equipment cleanliness; regular machine cleaning is institutionalized.; 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...

Molds & Tooling PC/ABS；black speck；carbonization；cleaning；dead corner；contamination

Q

PC/ABS uneven surface gloss

A

Uneven gloss points to mold temperature distribution; water channel balance 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 later

Molds & Tooling PC/ABS；gloss；mold temperature；polishing；replication；water channel

Q

PC/ABS flash

A

Flash is distinguished into two categories of causes: clamping and wear.; 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；flash；clamping force；parting line；wear；pressure

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