Processing Machinery
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HDPE Septic Tank
Problem Phenomenon
Rotomolded septic tank leaks at weld seam
Cause Analysis
Rotomolded parts have difficult control of weld seams and wall thickness uniformity, making leakage risk points; during on-site troubleshooting, verify item by item according to this mechanism to avoid blindly adjusting the machine based solely on experience; this mechanism has been repeatedly verified by industry data and should be confirmed first during troubleshooting
Solution
Optimize roto'2079851475616104453 parameters; thicken weld seam areas; factory leak testing; 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
Rotomolded containers are guaranteed by process and leak testing; after confirming effectiveness, solidify 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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