Processing Machinery
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TPU Cable Jacket
Problem Phenomenon
TPU cable jackets crack in oily environments
Cause Analysis
Certain oils erode TPU, and ultraviolet light accelerates aging; when troubleshooting on site, verify item by item according to this mechanism to avoid blindly adjusting the machine based only on experience; this mechanism has been repeatedly verified by industry literature and should be confirmed first during troubleshooting
Solution
Choose oil-resistant grades for oily environments; add anti-UV for outdoor use; compatibility verification; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability; change only one variable at a time and record parameter changes to facilitate locating effective measures
Key Takeaway
Cable jackets are selected according to the medium environment; after confirming effectiveness, solidify 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 in the future
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