Molds & Tooling
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HDPE mold temperature controller
Problem Phenomenon
The temperature of the water temperature controller used for the HDPE mold fluctuates
Cause Analysis
The temperature control accuracy of the water temperature controller is insufficient or the water circuit is blocked; when troubleshooting on site, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience; this mechanism has been repeatedly verified by industry data and should be confirmed first during troubleshooting
Solution
Regular maintenance of the water temperature controller; clean the water circuit; lock and record the mold temperature; after adjustment, continuously sample 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
Mold temperature stability relies on equipment maintenance and water circuit cleanliness; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar future problems
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