Molds & Tooling
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ABS short shot material shortage
Problem Phenomenon
[Problem Phenomenon] ABS thin-wall long flow path end material shortage
Cause Analysis
Front freezing, poor venting, gate too small, melt temperature low; during on-site troubleshooting, verify item by item according to this mechanism, avoid blindly adjusting the machine based only on experience; this mechanism has been repeatedly verified by industry materials and should be confirmed first during troubleshooting
Solution
Raise melt temperature and mold temperature; strengthen venting; enlarge gate; multiple gates to split long flow; after adjustment, continuously sample to verify the effect, resume mass production only after confirming stability; change only one variable each time and record parameter changes to facilitate locating effective measures
Key Takeaway
Troubleshoot ABS short shot by temperature, venting, and gate; 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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