Processing Machinery
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PC/ABS electronic housing application
Problem Phenomenon
Dimensional and appearance requirements of electronic housings.
Cause Analysis
Thin-wall trend of housing parts; dimensional accuracy and surface quality are both important.; 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
①High-flow grade; ②precision temperature control; ③multi-stage injection; ④full-dimensional inspection.; 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
Electronic housings rely on dual guarantee of material and process.; 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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