Processing Machinery
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PESU High-Temperature Dimensional Stability
Problem Phenomenon
PESU high-temperature dimensional stability; thermal expansion and stress management.
Cause Analysis
PESU has good dimensional stability; linear expansion coefficient 5.2E-5; high-temperature creep; stress release; application verification.; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
Solution
①Design with thermal expansion data; ②high-temperature verification; ③stress management; ④long-term tracking.; after adjustment, continuously sample to verify the effect, and resume mass production after confirming stability; change only one variable at a time and record parameter changes to facilitate locating effective measures
Key Takeaway
PESU dimensional stability is the foundation of precision applications; data-driven design; verification ensures the long term.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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