新式射出成型加工与模具技术.pdf

新式射出成型加工與模具技術TheNovelTechnologyofInjectionMoldingManufacturingProcessesAdvancedPrecisionManufacturingCentre(APMC)OrientalInstituteofTechnologyAug.2007塑膠射出成型之變因成型材料成型機械模具種類射出成型技術技術參數速度壓力溫度時間位置AdvancedPrecisionManufacturingCentre(APMC)OrientalInstituteofTechnologyAug.20071收縮性質IncreasingAPressureΔνB流動性質熱敏性質SpecificVolume成型材料Temperature機械性質耐候性質AdvancedPrecisionManufacturingCentre(APMC)OrientalInstituteofTechnologyAug.2007全電式油電複合式預塑化超高速NoTieBar成型機械TieBar可變式Tandem串聯模座開架式混練射出瓶胚射吹AdvancedPrecisionManufacturingCentre(APMC)OrientalInstituteofTechnologyAug.20072全電式穩定精密快速省電潔淨射壓功能關模→鎖模→→計量/冷卻射出/保壓開模ElectricSMDrive頂出縮短週期時間OilDrive關模→鎖模→射出/保壓→計量/冷卻→開模→頂出(fromWHW&FCS)AdvancedPrecisionManufacturingCentre(APMC)OrientalInstituteofTechnologyAug.2007全電式Power→Motor→BallScrewDirectDrive：動力傳遞損失少(5-15%)250tons↓快速準確應答(FeedbackController)無傳動噪音、粉塵、調整容易(NoOilPump)(fromSumitomo)AdvancedPrecisionManufacturingCentre(APMC)OrientalInstituteofTechnologyAug.20073全電式(fromSumitomo)AdvancedPrecisionManufacturingCentre(APMC)OrientalInstituteofTechnologyAug.2007全電式NoCheckingRingDesign保壓切換Transducer+GageFeedbackcontrol精密射料補償系統SKII(fromSumitomo)AdvancedPrecisionManufacturingCentre(APMC)OrientalInstituteofTechnologyAug.20074SK-IIAdvancedPrecisionManufacturingCentre(APMC)OrientalInstituteofTechnologyAug.2007油電複合式油壓式＋電器式射出鎖模兼取電氣式之精確及油壓式之效能AdvancedPrecisionManufacturingCentre(APMC)OrientalInstituteofTechnologyAug.20075預塑化in-lineScrewforthroughputV-linePlungerforshotvolumeAdvancedPrecisionManufacturingCentre(APMC)OrientalInstituteofTechnologyAug.2007超高速螺桿射速(螺桿前進速度)＞一般射出機300mm/s~600mm/s高速射出機薄殼成型600mm/s＜超高速射出成型機薄壁產品定義，一般而言是指成品L/T比在150以上，或壁厚在1.0~0.8mm或更小者作為薄壁成品塑料高速流動誘發之剪切熱克服流動凝固τ=µŕ=µ(∂u/∂y)u↑,∂u/∂y↑,ŕ↑,τ↑,T↑JSWspeed1000mm/st=0.14mmAdvancedPrecisionManufacturingCentre(APMC)OrientalInstituteofTechnologyAug.20076X-MeltbyEngelAdvancedPrecisionManufacturingCentre(APMC)OrientalInstituteofTechnologyAug.2007ChangeTieBarAdvancedPrecisionManufacturingCentre(APMC)OrientalInstituteofTechnologyAug.20077二板式傳統三板式：鎖模板、固定板、可動板二板式：鎖