Molds & Tooling
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PC/ABS venting design
Problem Phenomenon
Trapped air and burning.
Cause Analysis
Poor venting; air trapped at the end.; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based on experience alone; this mechanism has been repeatedly verified by industry data and should be confirmed first during troubleshooting
Solution
①End vent grooves; ②venting at confluence areas; ③cleaning and maintenance; ④speed reduction assistance.; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability; change only one variable at a time and record the parameter changes, to facilitate locating the effective measures
Key Takeaway
Venting design is a mandatory item for molds.; 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
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