Material Drying
7 조회수
PA66 throttle body
문제 현상
Throttle body dimensional drift causes unstable idle
원인 분석
PA66 moisture absorption expansion changes valve bore dimensions, and precision fitting clearance drift affects intake control; during on-site troubleshooting, verify item by item according to this mechanism, avoiding blindly adjusting the machine based only on experience
해결 방법
Select low moisture absorption grades or dimensional compensation design for precision throttle bodies; moisture conditioning after molding then precision machining; full-temperature full-humidity range verification; after adjustment, take continuous samples to verify the effect, confirm stability before resuming mass production
핵심 요약
Precision airflow control parts require low moisture absorption materials or compensation design; 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
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