Injection Molding
8 مشاهدة
Insufficient PSU Injection Pressure
ظاهرة المشكلة
PSU complex structural parts are incompletely filled; raising pressure raises concerns about equipment and mold; conservative pressure setting causes short shots.
تحليل الأسباب
PSU high viscosity requires relatively high injection pressure; it is recommended to use 80% of the equipment's injection pressure; high-speed high-pressure injection is the recommended process; conservative pressure is a common mistake with high-viscosity materials.
الحل
①Use 80% of equipment capacity for injection pressure; ②Combine with high-speed high-pressure injection method; ③Multi-stage injection to prevent air entrapment at weld junctions; ④Calculate mold strength to match high pressure.
الخلاصة الأساسية
The 80% injection pressure for PSU is clear process guidance; high speed and high pressure is the standard method; mold strength calculation ensures safety.; After confirming effectiveness, solidify the parameters and practices into the work instructions to prevent recurrence
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