Processing Machinery
5 görüntüleme
LDPE Thermal Expansion Limitation
Sorun Belirtisi
LDPE precision parts exceed dimensional tolerance after temperature changes, and long-term use leads to fitting failure
Neden Analizi
LDPE has a large thermal expansion coefficient, and temperature fluctuations cause obvious dimensional changes; it is not suitable for tight tolerances and long-term application occasions; design must reserve thermal expansion allowance; when troubleshooting on site, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
Çözüm
① Use LDPE with caution for precision fitting parts; ② reserve expansion gaps for temperature change scenarios; ③ switch to dimensionally stable materials when necessary; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Temel Çıkarım
The thermal expansion of LDPE is a hard limit for its precision applications; dimension-sensitive scenarios should be bypassed at the material selection stage; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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