Processing Machinery
7 مشاهدة
TPU Automotive Application
ظاهرة المشكلة
TPU automotive parts are oil-resistant and wear-resistant, but fail at high temperatures in the engine compartment, or embrittle at low temperatures
تحليل الأسباب
TPU automotive parts are oil-resistant and wear-resistant, suitable for dust boots and seals; but engine compartment high temperature exceeds the temperature resistance upper limit; polyester type may embrittle in low-temperature environments; when troubleshooting on site, verify item by item according to this mechanism to avoid blindly adjusting the machine based only on experience
الحل
①Evaluate other materials for high-temperature parts in the engine compartment; ②Choose polyether type for low-temperature environments; ③Select grade according to the temperature and medium of each position; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
الخلاصة الأساسية
TPU automotive applications are classified by position; avoid high temperature, choose polyether for low temperature, choose polyester for oil; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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