Problem & Solution

Practical answers to common plastic material challenges

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Q

TPU weld line low strength

A

TPU weld lines are difficult to completely eliminate; design avoidance of stressed areas is more reliable than process remedies; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Processing Machinery TPU；weld line；strength；gate；front temperature；overflow well

Q

TPU screw slipping

A

Screw slipping is a physical feeding obstacle; feed zone temperature management is the key to preventing TPU slipping; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Processing Machinery TPU；screw slipping；feeding；bridging；feed zone；temperature

Q

TPE poor welding

A

Heat sealing relies on parameter calibration; 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 TPEheat sealingstrengthparameters

Q

TPE stress cracking

A

Verify compatibility first before chemical contact; 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 TPEstress crackingchemicalscompatibility

Q

TPE black specks

A

Black specks rely on disassembly cleaning and monitoring; 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 TPEblack speckdead spotdisassembly cleaning

Q

TPE yellowing

A

For yellowing check temperature and light; 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 TPEyellowingdegradationlight

Q

TPE short shot

A

Short shot relies on temperature, speed, and gate; 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 TPEshort shotthin wallgate

Q

TPE weld line

A

Weld lines rely on temperature and position; 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 TPEweld lineoverflow wellgate

Q

TPE transparent part haze

A

Transparent parts rely on temperature control and cleanliness; 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 TPEtransparenthazecleanliness

Q

TPE hardness deviation

A

Hardness relies on whole-chain control; 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 TPEhardnessdeviationfirst article

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