Molds & Tooling
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POM oil temperature unit configuration
Problem Phenomenon
A POM mold requiring a mold temperature of 100°C cannot reach the temperature with a water temperature unit
Cause Analysis
The upper limit of an atmospheric-pressure water temperature unit is about 95°C with large fluctuations, failing to meet the mold temperature requirement of POM precision parts; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
Solution
Configure an oil temperature unit for a 100°C mold temperature; temperature control accuracy ±1°C; select oil pipes for high temperature; 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 parameter changes to facilitate locating effective measures
Key Takeaway
An oil temperature unit is standard configuration for high mold temperature conditions; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar problems in the future
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