Molds & Tooling
2 views
PPS Mold Sticking and Difficult Demolding
Problem Phenomenon
Products stick to the cavity and are scratched during demolding.
Cause Analysis
High mold temperature causes thermal bonding between PPS and the mold; insufficient draft angle or improper surface condition.; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
Solution
①Optimize mold temperature and cooling; ②increase draft angle; ③select appropriate mold surface treatment; ④balance the ejection system.; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Key Takeaway
PPS mold sticking is related to high mold temperature; demolding design must adapt to the high-temperature process.; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
Was this helpful?
0 people found this helpful
Thank you for your feedback!