Molds & Tooling
2 views
PP Gate 50/60 Rule
Problem Phenomenon
PP gate size 50-60% of wall thickness; prevent freezing and ensure feeding; design specification.
Cause Analysis
PP gate size 50-60% of wall thickness; prevent premature freezing; ensure complete feeding; gate position; flow balance; sink mark prevention.; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based on experience alone
Solution
①Gate 50-60% of wall thickness; ②Position optimization; ③Flow balance; ④Feeding guarantee; ⑤Sink mark prevention.; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Key Takeaway
The 50/60 rule for PP gates is a design standard; position and size are equally important; ensure feeding and prevent sink marks.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
Was this helpful?
0 people found this helpful
Thank you for your feedback!