Processing Machinery
5 مشاهدة
PA6 Power Tool Housing
ظاهرة المشكلة
The power tool housing cracks when dropped, and the heat-generating part softens and deforms during prolonged holding
تحليل الأسباب
The tool housing is subject to the dual effects of impact and temperature rise, and neat PA6 has insufficient balance of rigidity and impact resistance; continuous working temperature rise reduces the material modulus, causing structural creep deformation; when troubleshooting on site, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
الحل
①Select glass-fiber reinforced impact-modified grades; ②add heat dissipation structures or local metal inserts to heat-generating parts; ③verify with combined drop and temperature rise tests; after adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
الخلاصة الأساسية
The tool housing requires a system design of rigidity-toughness balance and thermal management; material modification and structural heat dissipation proceed in parallel, and combined working condition tests cannot be omitted; after confirming effectiveness, fix the parameters and practices into the work instructions to prevent recurrence
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