المشاكل والحلول

إجابات عملية على التحديات الشائعة في مواد البلاستيك

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Severe excessive orientation of PU

Injection Molding PU excessive orientation injection speed multi-point gates performance difference

Periodic surface corrugation of PU

Corrugation is caused by unstable injection; equipment overhaul and PID control are key

Injection Molding PU surface corrugation injection stability equipment overhaul PID control

Tiger skin pattern on PU surface

Injection Molding PU tiger skin pattern injection speed multi-stage injection mold temperature control

Obvious surface color difference of PU

Injection Molding PU color difference color masterbatch dispersion pigment orientation temperature stability

Orange peel texture on PU surface

Injection Molding PU orange peel mold temperature holding pressure surface solidification

Severe internal stress concentration of PU

Injection Molding PU internal stress orientation stress annealing treatment uniform cooling

Unstable weight of PU injection molded products

Product weight stability depends on shot volume precision and holding consistency

Injection Molding PU injection weight fluctuation shot volume holding consistency V/P switchover

Cold slug marks in PU '2079851475616104452

Injection Molding PU injection cold slug marks nozzle temperature cold slug well injection pressure

Flow marks in PU '2079851475616104452

Injection Molding PU injection flow marks injection speed mold temperature gate area

Sink marks in PU '2079851475616104452

Injection Molding PU injection sink holding pressure wall thickness difference gate design

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