Molds & Tooling
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Mold Maintenance for Long-term High-temperature PSU Processing
Problem Phenomenon
[Problem Phenomenon] PSU mass production molds show accelerated surface wear; product accuracy gradually declines
Cause Analysis
PSU runs long-term at 120-160°C mold temperature; mold surface thermal fatigue and wear accelerate; literature recommends regularly inspecting mold surface wear and promptly hardening or replacing components
Solution
Establish a regular inspection system for molds under high-temperature conditions; promptly repair or replace worn components; select mold steel and heat treatment according to high-temperature conditions; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Key Takeaway
PSU molds serve long-term at high temperature; a regular overhaul system preserves accuracy; After confirming effectiveness, solidify the parameters and practices into the work instructions to prevent recurrence; Include this case in the defect archive as a reference for troubleshooting similar problems in the future
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