Processing Machinery
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PA12 Product Automotive Fuel Pipe
Problem Phenomenon
Fuel pipeline application.
Cause Analysis
PA12 is fuel-resistant with low permeation and is the standard material for fuel pipes; processing quality affects sealing life.; During on-site troubleshooting, verify item by item according to this mechanism to avoid blindly adjusting the machine based solely on experience
Solution
①Select fuel pipe grade; ②control product integrity; ③verify according to automotive regulations; ④establish traceability.; After adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Key Takeaway
Fuel pipe is a core application of PA12; automotive regulation verification is the threshold.; 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 subsequent similar problems
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