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commonly used plastics injection molding processing process and commonly used material temperature
◆TPU: 烘 material temperature degree according to hardness 而定. 60A-80A material temperature degree use 90-100 degree 85A-98A material temperature degree use 100-105 degree 60D-71D material temperature degree use 105-110 degree time is 3-5 small 时.
◆LCP:每家 company different product types material temperature degree, molding temperature degree has different Polyplastics company EI series most molding temperature degree is 340-370 upper is 365 degree ultra- 30 separation 钟.
◆PA property 质: crystallization property hot can property plastics, has obvious melting point, Nylon6 Tm is 220-230℃, Nylon66则 is 260-270℃, nylon tool water has water property, formed front must drying, temperature degree high drying nylon color.
◆PC/ABS: specific gravity generally is 1.15, water absorption is 0.2％, molding shrinkage is 0.4-0.6, heat deflection temperature (HDT) is 120％, drying temperature degree use １００, material temperature degree 100-110 degree 烘烤3-4 small 时.
◆AS: nozzle 190-210 degree injection molding pressure use 50-60 degree, holding pressure pressure use 40-50, mold temperature 50-70, screw speed 40-60, back pressure 5-10 烘 material temperature degree 80-100 烘 material time 2-4H.
◆PBT: nozzle temperature degree 230-245 injection molding pressure 70-120, holding pressure pressure 40-50, mold temperature 50-160, screw speed 40-70, back pressure 5-10, material temperature degree 100-140 烘 material time 4-6 small 时.
◆PET: nozzle 240-270, injection molding pressure 70-100, holding pressure pressure 40-50, mold temperature 50-160, screw speed 40-75, screw back pressure 5-10, material temperature degree 100-140, material time 6-8 small 时.
◆PC: nozzle 270-300, mold temperature 80-120, material temperature degree 100-120, material time 2-4 small 时.
◆PA6: nozzle 250-260, mold temperature 50-110, material temperature degree 80-110, material time 4-6 small 时.
◆PA66: nozzle 250-280, mold temperature 50-110, material temperature degree 80-130, material time 4-6 small 时.
◆PPS: nozzle 290-300, mold temperature 80-150, material temperature degree 120-140, time 2-4 small 时.
◆LCP: nozzle 300-310, mold temperature 90-180, material temperature degree 130-140, time 2-4 small 时.
◆POM: nozzle 170-230, mold temperature 50-80, material temperature degree 80-120, time 2-4 small 时.
◆PP: nozzle 200-220, mold temperature 40-60, material temperature degree 80-120, time 2-4 small 时.
◆PPO: nozzle 210-260, mold temperature 50-90, material temperature degree 80-140, time 2-4 small 时.
◆PEI: nozzle 300-320, mold temperature 180-200, material temperature degree 120-140, time 2-4 small 时.
◆PEEK: nozzle 310-360, mold temperature 120-160, material temperature degree 120-140, time 2-4 small 时.
◆PA46: nozzle 290-300, mold temperature 80-120, material temperature degree 290-300, time 2-4 small 时.
