Molds & Tooling
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TPE Mold Sticking
Problem Phenomenon
TPE products stick to the cavity and are difficult to demold.
Cause Analysis
Mold temperature too high, holding pressure too large or too long, insufficient cooling time; mold surface finish mismatch (over-polished or too rough), insufficient draft angle, improper release agent use.
Solution
①Reduce mold temperature and holding pressure time; ②extend cooling time; ③adjust mold surface finish and draft angle; ④standardize release agent use.; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Key Takeaway
Mold sticking is the most common problem in TPE '2079851475616104452; systematic troubleshooting from both process and mold aspects is needed, single adjustment is often ineffective.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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