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《热流道常见问题以及解决方案（common problems and solutions of hot runner）》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、热流道常见问题以及解决方案（Commonproblemsandsolutionsofhotrunner）CommonproblemsofhotrunnersystemanalysisandsolutionOneTheheatsinkplateisnotuptothesettemperatureReason:thermocouplecontactbadorinvalidation,heatingwireshortcircuit,heatingThewireconnectionistoolooseortooshort.Handle：Checkwhetherthermo
2、couplecontactsarenormal,Isthewiringcorrect?,ChecktheheatingwireLoop.Two.TheheatsinkplateisheatinguptooslowlyReason：Aheatingwireopeningorloosewiring,HeatsplitterplateairvoidInsufficiency,heatinsulationExcessivecoolingongaskets,Poorthermocouplecontact.Handle：Checkalltheheatingwires,Adda
3、irgap,IncreaseonthefixeddieplateHeatshield,Orreducethecoolingofthefixedplateofthefixedplate,inspectThermocouplecontactGood.ThreeThetemperatureoftheheatsinkplateisunstableReason:thermocouplecontactbad.Handling:checkthermocouples.Four.MetalfragmentsarepresentinthemeltReason：Thefragments
4、ofaninjectionmachinescrew,Metalfragmentsininjectionmoldingmaterials.Disposal:removemetaldebris,repairscrew,andfilterimpuritiesinplastic.Five.LeakageofglueonheattransferplateandhotnozzleReason：Thecalculationoftheexpansionisnotcorrect,DiefixingplatematerialtooSoft,Shorttimetemperatureof
5、heatsinkplatetooHigh,OTheinstallationoftypesealingringisaproblem.Handle：RecalculateandcheckChecktheexpansionquantityandreplacethefixeddiefixedplatewithproperhardnessDamagedparts,sealingrings.SixThereisnofillinginthecavityOneReason:themeltingtemperatureistoolow,theinjectionpressureisto
6、osmall,thegateistoosmall,thehotnozzleistooSmalldietemperatureToolow,thenozzleoftheadhesivetubeistoosmallandthehotnozzleisblocked.Handling:increasinghotnozzlesandmanifoldplatesThetemperature,increasetheinjectionpressure,expandthegate,improveMoldtemperature,installationoflargenozzle,inc
7、reasethemouthofthemeltdischargeThemouthclearstheblockage.SevenHotnozzlecastingReason:insufficientpumping,toohighmeltingtemperature,toolargegate,coldgateInsufficient,Theincorrecthotnozzletypeisused.Treatment:increasetheamountofbackpumping(pour)andreducethethermalnozzleTemperatureormold
8、tempe
