模具精各部件的英文名称

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1、Thistrialversioncanuseonlyapartofitem.FunctionofMajorPartsYouwilllearnaboutthenamesandfunctionsofmajorpartsusedforanejectionsystem.Apushbackpinandacoilspringareusedforregularmolds,whereasapushbackpinandagasspringaresometimesusedforlargesizemolds.Thisfigureillus

2、tratesanexampleofalargemold.EjectorStopper(StrokeEndPin)Ablockthatstopsanejectorplatefromgoingforward[stoppin]SprueLockPinsApinhastheedgeofwhichisundercuttopullapartinmoldopeningandremoveaspruefromaspruebush.Aftermoldopening,thispinwillfunctionasanejectorpinand

3、ejectsthespruefromaapruebush.Alsoitreleasesgascontainedinmoltenplastic.EjectorPlateAlsocalledapushplate.Aplatethatsupportsanedgeofanejectorpinorapushbackpintoejectapartfromamold.Itisejectedbyanejectordeviceofamoldingmachine,andreturnedtotheoriginalpositionwhent

4、heedgeofapushbackpincollideswithacavityplateduringmoldclamping.StopPinsAstopperinstalledtokeepanejectorplatehorizontalorpreventtheejectorplatefromretreatingtoofaranddamagingacoreadaptorplate.EjectorGuidePins/EjectorGuideBushAnejectorguidepinisalsocalledapushpla

5、teguidepinandfunctionsasaguideforslidingofanejectorplate.Becauseanejectorguidebushslides,ahardmaterialisused.Anejectorguidebushisalsocalledapushplateguidebush.Itisacylindricalpartusedtodeterminethepositionbymatchingtheejectorguidepin.PushRodsAshaftlinkedtothefo

6、rce(hydraulicormechanical)ofthemoldingmachineinordertogettheejectorplatetowork.GasSpring/GasSpringHolderAgasspringforciblypushesbackanejectorplate.Thestrengthofthespringisadjustedbyadjustingthefillingpressure.Whenusingagasspring,makesuretoavoidhightemperature(h

7、eatmayexpandgas,deterioratingtheoriginalfunctionsofagasspring).CalculatingFillingPressureTofigureoutfillingpressure(P)fromearlyload(Wo):P=100*Wo/C(C:constant)Tofigureoutcorrespondingspringconstant(K)fromfillingpressure(P)andgasspringconstant(G):K=G*P/100Tofigur

8、eoutforcebydisplacement(x)fromthetopD.C.ofthepistonrod(W):W=P(Gx+C)*Seethecatalogofeachmanufacturerforconstant(C)andgasspringconstant(G).Agasspringholderisablockusedtofixaga