注塑成型工藝流程及條件介紹中英文對(duì)照-資料下載頁(yè)
2025-08-08 13:12本頁(yè)面
【正文】 andejectordelay.Takeproductbymanipulatorortakeproducteasy,itshouldselectknockingoutonce.Tolongertheworktimeofejectoroiljar,timesofknockingoutlower3times.Ejectordelayusedwhenproductwillbedamagedifejectorbackorsuitmanipulator.成型時(shí)間的設(shè)定Moldingtimesetting在保證產(chǎn)品質(zhì)量的前提下,周期時(shí)間是越短越好,周期時(shí)間又包括如下幾項(xiàng):射膠時(shí)間,保壓時(shí)間,熔膠時(shí)間,冷卻時(shí)間,頂出時(shí)間,鎖模低壓時(shí)間,甚至乎關(guān)系到時(shí)間因素的還有還開(kāi)模與鎖模,及頂出的快慢.Cycletimeshouldshorteronconditionthatproductqualitywell.Cycletimeincludes:injectiontime,holdingpressuretime,plastictime,curetime,knockingouttimeandmoldprotecttime.Evenmoldopeningclosingsopeedandknockingoutspeedaffectcycle.1.射膠時(shí)間包含保壓時(shí)間,一般看起來(lái),射膠時(shí)間越長(zhǎng),產(chǎn)品越飽和,但我們?cè)谥v求質(zhì)量時(shí),同時(shí)也須考慮產(chǎn)能,更何況,射膠時(shí)間過(guò)長(zhǎng),有可能會(huì)造成產(chǎn)品過(guò)于飽滿而尋致粘模頂?shù)淖冃螀沾缙蟮纫幌盗袉?wèn)題,故我們?cè)谠O(shè)置射膠時(shí)間時(shí)應(yīng)綜合考慮,盡量在合乎質(zhì)量要求時(shí)縮短射膠時(shí)間.Injectiontimeconsistsholdingpressuretime.Longerinjectiontime,fullerproduct,weshouldconsiderproductionquantitywhenwesuitforquality.Ifinjectiontimetoolong,itmaycauseaseriesofdefectssuckasflashstrain.Soallsortsoffactorsshouldbeconsidered,injectiontimeshouldbeshoutifqualitysuitforrequirement.2.熔膠時(shí)間的長(zhǎng)短取決于熔膠速度設(shè)定的快慢,背壓設(shè)定的大小,但有一點(diǎn),熔膠時(shí)間控制的長(zhǎng)短一定要比冷卻時(shí)間短.Plastictimedependsonplasticspeedandscrewbackpressure,butplastictimemustshorterthancuretime.3.冷卻時(shí)間:冷卻時(shí)間的長(zhǎng)短直接影響到成型的周期,冷卻時(shí)間越長(zhǎng),成型時(shí)間就越長(zhǎng),造成產(chǎn)能就越低,故我們?cè)谠O(shè)定高壓冷卻時(shí)間時(shí),只要能保證到產(chǎn)品成型順利,不會(huì)直接影響到變形等問(wèn)題,設(shè)定的時(shí)間也是越短越好.Curetime:Curetimeaffectsmoldingcycle.Longercuretime,longermoldingcycle,lowerproductionquantity.Soitsetscuretimeshortonconditionthatproductmoldingsuccedandcan’tdeformation..4.在大量使用機(jī)械手的塑膠公司,我們的頂出時(shí)間一般是與機(jī)械手配合為宜,半自動(dòng)生產(chǎn),如因頂針退回會(huì)導(dǎo)致產(chǎn)品掉落或卡緊,而取不下產(chǎn)品,停留時(shí)間則應(yīng)保持5秒左右.InPCEpany,forusingmanipulatorinabundence,knockingouttimesuitsmanipulator,Knockingoutdelaykeepssecondwhenusingmanipulatorfullmanipulator,knockingoutdelaykeepsabout5secondwhenusingmanipulatorsemimanipulatorandproductwillfallorcan’tbetakenoffifejectorback.5.低壓保護(hù)時(shí)間對(duì)保護(hù)我們?nèi)松戆踩?模具安全起很大作用,配合好模具低壓位置和低壓壓力的調(diào)整,低壓保護(hù)的時(shí)間應(yīng)取13秒,保護(hù)時(shí)間越短,可能造成的危害則越小.Lowpressureprotectisveryimportantforsafetyandprotectmold,Moldprotecttimeshouldadjustwithin13secondsuitlowpressureandpositionofmoldprotect,shorterprotecttime,makedamaged.
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