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1、Moldingtechniqueprocedureandparameterintroduction第一節成型工艺Section1moldingtechnique.1.成型工艺参数类型Sortsofmoldingparameter.(1>.注塑参数Injectionparameter.a.注射量Injectionrate.b.计量行程Screwbackpositionc.余料量Cushiond.防诞量Suckingbackratee.螺杆转速Screwspeedf.塑化量Plasticrateg.预塑背压Screwbackpressureh.注射压力和保压压
2、力Injectionpressureandholdingpressurei.注射速度Injectionspeed(2>合模参数Clampingparametera.合模力Clampingforceb.合模速度Clamping11/11speedc.合模行程.Clampingstroked.开模力Openingforcee.开模速度Openingspeedf.开模行程Openingpositiong.顶出压力Ejectoradvancepressureh.顶出速度Ejectoradvancespeedi.顶出行程Ejectoradvanceposition2
3、.温控参数Temperatureparametera.烘料温度Dryresinmaterialtemperatureb.料筒与喷嘴温度Cylindertemperatureandnozzletemperaturec.模具温度Moldtemperatured.油温Oiltemperature3.成型周期Moldingcyclea.循环周期Cycletimeb.冷却时间Cooltimec.注射时间Injection11/11timed.保压时间Holdingpressuretimee.塑化时间Planttimef.顶出及停留时间Knockingoutandde
4、laytimeg.低压保护时间Moldprotecttime成型工艺参数的设定须根据产品的不同设置.Moldingtechniqueparametersettingdiffersdependingontypeofproduct第二节成型条件设定Section2MoldingparameterSetting按成型步骤:可分为开锁模,加热,射出,顶出四个过程.Moldingsteps:moldopening/closing,heatinginjectionandknockingout.开锁模条件:Moldopeningparameter:快速段中速度低压高压速
5、度High-speedmid-speedLowpressurehighpressurespeed锁模条件设定:Moldclosingparametersetting1锁模一般分:快速→中速→低压→高压Moldclosing:high-speed→low-speed→lowpressure→highpressure2.快锁模一般按模具情况分,如果是平面二板模具,快速锁模段可用较快速度,甚至于用到特快,当用到一般快速时,速度设到55-75%,完全平面模可设定到80-90%,如果用到特快就只能设定在45-55%,压力则可设定于50-75%,位置段视产品的深浅(或
6、长短>不同,一般是开模宽度的1/3.Inhigh-speedsection,Moldclosingspeeddependsontypeofmold.Fortwo–platemolditcansetquickandevenespeciallyquickusually,itsetspeedwithin55-75%.Forfull-platemolditsetspeedwithin80-90%whileusing11/11especiallyhighspeeditsetspeedwithin45-55%andpressurewithin50-75%positio
7、ndistancesettingdiffersdependingonthevolumeofproductandusuallyitcanbeset1/3ofmoldopeningposition.3.中速段,在快速段结束后即转换成中速,中速的位置一般是到模板(包括三板模,二板模>合在一块为止,具体长度应视模板板间隔,速度一般设置在30%-50%间,压力则是20%-45%间.Inmid-speedsection:Moldclosingspeedchangesintomid-speedafterhigh-speedsectionfinish.Mid-speeds
8、tartpositioniswheretwoplatesmeet(
