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Practical answers to common plastic material challenges

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Q

PA6 Mold Temperature Controller Selection

A

Mold temperature equipment capability must have margin; the oil temperature controller is a safe choice for PA6 high mold temperature occasions; after confirming effectiveness, fix the parameters and practices into the work instructions to prevent recurrence

Molds & Tooling PA6mold temperature controlleroil temperature controllertemperature control accuracy

Q

PA6 Hot Runner Temperature Setting

A

PA6 hot runner temperature should be low rather than high, and uniformity and anti-residence are equally important; after confirming effectiveness, fix the parameters and practices into the work instructions to prevent recurrence

Molds & Tooling PA6hot runnertemperaturestringing

Q

PA6 Melt Temperature Too Low Cold Material

A

Melt temperature too low manifests as cold slug marks and weak weld lines, and a reasonable value must be taken within the process window; after confirming effectiveness, fix the parameters and practices into the work instructions to prevent recurrence

Molds & Tooling PA6cold slug markmelt temperatureweld line

Q

PA6 Melt Temperature Upper Limit 280

A

280°C is the red line for PA6 melt temperature; the cost of improving flowability by exceeding the temperature is degradation; after confirming effectiveness, fix the parameters and practices into the work instructions to prevent recurrence

Molds & Tooling PA6melt temperature280°Cthermal degradation

Q

PA6 Mold Temperature 60-90°C

A

Mold temperature determines PA6 crystallization quality and dimensional stability; the fundamental cure for post-crystallization dimensional drift is to raise and equalize the mold temperature rather than post-process repair; after confirming effectiveness, fix the parameters and practices into t...

Molds & Tooling PA6；mold temperature；60-90°C；crystallization；dimensional stability

Q

PA66 demolding deformation

A

Demolding deformation requires checking three aspects: temperature, ejection, and structure; after confirming effectiveness, fix the parameters and practices into the work instructions to prevent recurrence; include this case in the defect archive as a troubleshooting reference for subsequent sim...

Molds & Tooling PA66demolding deformationcoolingejection

Q

PA66 uneven gloss

A

Gloss uniformity relies on the coordination of mold temperature, mold surface, and venting; after confirming effectiveness, fix the parameters and practices into the work instructions to prevent recurrence; include this case in the defect archive as a troubleshooting reference for subsequent simi...

Molds & Tooling PA66glossmold surfaceventing

Q

PA66 jetting marks

A

Jetting marks are solved from the gate-to-wall relationship and speed curve; after confirming effectiveness, fix the parameters and practices into the work instructions to prevent recurrence; include this case in the defect archive as a troubleshooting reference for subsequent similar problems

Molds & Tooling PA66jetting markgatespeed

Q

PA66 internal shrinkage voids

A

Thick-wall shrinkage voids are guaranteed by feeding channels and holding pressure system; after confirming effectiveness, fix the parameters and practices into the work instructions to prevent recurrence; include this case in the defect archive as a troubleshooting reference for subsequent simil...

Molds & Tooling PA66shrinkage voidfeedingthick wall

Q

PA66 black speck traceability

A

Increasing black specks is a signal of material hiding in equipment, disassembly and cleaning are mandatory; after confirming effectiveness, fix the parameters and practices into the work instructions to prevent recurrence; include this case in the defect archive as a troubleshooting reference fo...

Molds & Tooling PA66black speckcarbonizationdisassembly cleaning

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