Processing Machinery
4 görüntüleme
HIPS Product Weld Line Strength
Sorun Belirtisi
The impact strength at weld lines is significantly lower than the body.
Neden Analizi
The rubber phase is discontinuously distributed at weld lines, weakening the toughening effect; low front temperature and poor fusion aggravate the problem.; during on-site troubleshooting, verify item by item according to this mechanism to avoid blindly adjusting the machine based only on experience
Çözüm
①Increase front temperature; ②optimize gates to avoid stressed areas; ③set overflow wells at the confluence; ④increase mold temperature.; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Temel Çıkarım
HIPS weld line strength is related to rubber phase distribution; design avoidance of stressed areas is the first choice.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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