Problem & Solution

Practical answers to common plastic material challenges

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Q

ASA Weld Line Bubble Convergence

A

ASA weld line bubbles check venting and drying, convergence position adjustable; 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 subsequent similar problems

Material Drying weld line bubble venting convergence drying

Q

ASA Surface Orange Peel

A

ASA orange peel check front stability and cavity polishing; 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 subsequent similar problems

Molds & Tooling orange peel high gloss front polishing

Q

ASA Low-Temperature Embrittlement

A

ASA low-temperature toughness has limits, severe cold parts verify and toughen; 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 subsequent similar problems

Processing Machinery low-temperature embrittlement impact toughening fillet

Q

ASA Insufficient Heat Deformation Resistance

A

ASA heat deflection 88-101℃, leave margin for use temperature; 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 subsequent similar problems

Processing Machinery heat deflection HDT high temperature margin

Q

ASA Extrusion Melt Fracture

A

ASA extrusion sharkskin relies on temperature reduction, speed matching and polishing; 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 subsequent similar pr...

Extrusion & Post melt fracture sharkskin die shear

Q

ASA Extruded Sheet Surface Defects

A

ASA sheet surface relies on three stabilities of die, melt temperature, three-roll; 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 subsequent similar problems

Extrusion & Post extruded sheet surface die three-roll

Q

ASA Color Difference and Color Matching

A

ASA color difference controls thermal history and dispersion, outdoor parts look at Delta E; 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 subsequent simi...

Processing Machinery color difference color masterbatch thermal history Delta E

Q

ASA Multi-Cavity Imbalance

A

ASA multi-cavity differences check runner balance, locate by cavity number 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 subsequent similar problems

Molds & Tooling multi-cavity runner balance SPC weight

Q

ASA Cracking Delayed Failure

A

ASA delayed cracking is a stress account, annealing plus aging verification prevents; 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 subsequent similar pro...

Processing Machinery delayed cracking internal stress aging assembly

Q

ASA Cold Slug Mark

A

ASA cold slug marks check nozzle temperature 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 subsequent similar problems

Molds & Tooling cold slug mark nozzle cold slug well injection speed

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