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      Nan'an Longfa Hardware Fittings Co

      Address: Binjiang Industrial Zone, Nanan City, Fujian Province
      Tel: 0595-26523222
      Fax: 0595-26528777
      Mobile: 15905012321
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      Procurement of metal stamping parts must know the expertise and terminology
      Whenweneedtopurchasemetalstampingparts,thesameexperienceinsalesnegotiations,professionalknowledgethanwithoutprofessionalknowledgetogettheoffertobelowerthisisintheaffirmative,thenintheprocurementofmetalstampingpartssuchasprecisionterminals,Whatexpertiseandterminologyshouldweknowabout? Residualstress(yieldstrength,conditionalyieldstrength):Symbol:σr;unit:MPa(orN/mm2),referstothemetalmaterialafterunloadingpullcall,thestandardpartoftheresidualelongationreachesaspecifiedvalueStress;whenthespecifiedvalueis0.2%,itssymbolisσr0.2. Strengthlimit:Symbol:σ;Unit:MPa(orN/mm2),referstothemaximumresistanceofmetalmaterialstotheroleofexternaldamage. Intensityaccordingtothedifferentformsofexternalforceisdividedinto: Compressivestrength:symbolσbc,referstotheexternalforceisthestrengthofthepressurelimit Flexuralstrength:symbolσbb,referstotheexternalforceperpendiculartotheaxisofthematerial,andaftertheroleofbendingthematerialwasthestrengthlimit Shearstrength:thesymbolσc,referstotheexternalforceperpendiculartotheaxisofthematerial,andshearstrengthofthemateriallimit Tensilestrength:Symbol:σb,referstotheexternalforceisthetensilestrengthlimit MPa(orN/mm2)referstotheabilityofametalmaterialtowithstandexternalforceswhenitstensileforceisappliedtoacertainextent,anditsdeformation(elongation)increasesabruptlywhenitisverylarge.Theyieldstrength(physicalyieldstrength):σs;. Elasticlimit:referstothemetalmaterialbyexternalforce(tension)toacertainextent,iftheremovalofexternalforce,thedeformation(elongation)thatdisappearandrestorethestatusquo,elasticlimitreferstothemetalmaterialresistancetothislimittheabilityofexternalforces.
      2016-11-17
      Precision metal processing is mainly good or bad to see which two aspects
      Precisionmetalprocessingismainlytoseewhichtwoaspectsofprecisionmetalprocessingdependsontheprocessingmachinetoolprocessingaccuracy,operationalskillsisonlyoneaspectofthemachineprecisionisnotenough,itwillaffectthequalityofprecisionmetal, 1,fromthehardwarespeaking,theprocessingofmechanicalpartsareavarietyofmechanicalequipment,suchascars,millingmachines,planers,grindingmachines,broachingmachineprocessingcenter,theinherentaccuracyofvariousequipmentarenotthesame,sotoachieveprecisionmachining,Dependsonhowaccurateyourpartscorrespondingtoselecttheappropriateprocessroutesandequipment; 2,speakingfromthesoftware,istheoperator'sskills,whichinvolvesavarietyofequipmentoperatorsoperatingskills,theseskillsincludeadeepunderstandingoftheequipment,understandingofmachining,processingofpartsunderstandingofthesematerialsSkillscanbenormalworkslowlyaccumulated,theoperator'sskillisthekeytopractice,thetheoryshouldunderstand.
      2016-11-17
      What are the classification of hardware products and purchase skills
      Hardwareproductclassification,accordingtotheuseoffunctionalcategoriesaredividedintogeneralhardwareandspecialhardwarecategory.Thegeneralhardwareclassisdividedintothehingeslidetype,thedecorativehandletype,thedecorativelocktypeaccordingtotheinstallmentway;Thespecialhardwareclassdividesintothebathroomhardwareclassandthekitchenpendantclassaccordingtotheestablishmentway.Inthiscase, Inthehardwareaccessoriesonthepurchase,shouldselectthesealingperformanceofagoodhinge,rails,locks,hinges;chooseagoodflexibilityofthelock,whenthekeycanbeinsertedseveraltimestoseeShunisnotsmooth,theswitchisscrewedupProvinceJin;selecttheappearanceofgoodperformancetypesofdecorativehardware.Inthiscase, 1,skirtingboard Skirtingboardisoftenoverlooked,infact,thefirstproblemmaybethecabinet.Becauseitisclosesttotheground,ifthegroundisverywet,itislikelytoswellmoldy.Skirtingboardwithwoodenskirtingboardandmattemetalskirtingboardtwo.Woodenskirtingboardmanufacturersaregenerallyusedtomakethecabinetwhentheremainingcornersofthewaste,thelowerthecost.Buttheskirtingboardandthegroundisveryclosetothewoodmaterialiseasytoabsorbwater,andwatervaporwillrisealongtheskirtingboardendangertheentirecabinet. 2,raildrawer Theguiderailisdividedintotworails,threerailstwo,thechoiceofexteriorpaintandelectroplatingbrightness,loadbearingwheelclearanceandstrengthdeterminesthedraweropeningandclosingoftheflexibleandnoise,shouldselectthewearandrotationofthebearingwheel.Inthiscase, 3,steelpumping Knifeandforkplatesteelpumping,knifeandforkplatesizeaccurate,standardized,easytoclean,notafraidofpollution,willnotbedeformed,forthemaintenanceanduseofkitchencabinets,hasitsirreplaceablerole,longforGermany,theUnitedStates,JapanandotherdevelopedThecountry'skitchencabinetcompanywidelyused.Therefore,whenyouhavearoughobservationoftheappearanceofthecabinet,youshouldpulleachdrawertoseeifacombinationofsteelpumpingandknifeandfork,indicatingthehighcostoftheproduct,thecombinationofmorestandardizedcabinet,theotherhand,iftheuseofwoodDrawer,thecostislower. 4,handle Handlethematerialzincalloy,copper,aluminum,stainlesssteel,plastic,wood,ceramicsandsoon.Inordertomatchwithavarietyofstylesoffurniture,handletheshape,coloristhousandsofdifferentthings,colorful.Afterelectroplatingandelectrostaticpainthandle,withwearandcorrosionresistance,thechoiceofroomdecorationinadditiontostyleandconsistent,butalsoshouldbeabletowithstandgreatertension,thegeneralhandleshouldbeabletowithstandmorethan6kgoftension. 5,thehinge Hingekindofhardwaremaindoorhingedoor,drawerrails,doorhingethree.Doorhingematerialforthetwokindsofcopperandstainlesssteel.Singlehingeareastandard10cm×3cmand10cm×4cm,theaxisdiameterof1.1cmto1.3cmbetweenthehingewallthicknessof2.5mmto3mm,whenthehingeinordertoopeneasilywithoutnoise,shouldbeselectedThepageaxiscontainstheballbearingisbetter. 6,hingeddoors Hingeisdividedintotwotypesofdetachableandnon-detachable,butalsotocoverthedoorclosedafterthelocationisdividedintolargebend,thebend,straightbendthree,themainbendinthemain.SelectthehingeInadditiontovisualobservation,feelsmoothhingesurface,thehingespringshouldbenotedthattheresetperformanceisbetter,youcanopenthehinge95degrees,bothsidesofthehingepressedhardtoobservethesupportspringisnotdeformed,notbroken,verystrongForthequalityofqualifiedproducts. Theaboveistheclassificationofmetalproductsandpurchaseskills,onlytounderstandtheclassificationofhardwareproductscanbeselectedtotheappropriateproduct.
      2016-11-17
      Teach you to use four elements of metal accessories
      Hardwareindustryisdevelopingveryfast,manycompaniesonlytoothermanufacturingenterprisestodothematching,accessories,manufacturingenterprisesonthestrongdependence,butalsoonthemarketdemandforthereactionisalsoveryslow.Knowledgeofthesquareinchofscience:Forexample,theobjectfortheprocessingofdoorsandwindowsmanufacturersofhardwareaccessories,howtomakeenterpriseswithsustainablecompetitiveness,mainlyfromthefollowingfourelements: (1)intheselectionofhardwareaccessories,trytochoosequalityassuranceproducts,hardwareaccessoriesshouldbethequalitylevelwiththedoorsandwindowsofthequalitylevelconsistentwiththestructure,shapeandshapeshouldbeconsistentwiththeprofile,colorcoordinationandbeauty,functionCorrect,flexibleoperation,easyinstallation. (2)hardwareaccessoriesinstallationshouldbecomplete,standardized,solid,accuratelocation.Afterinstallation,doorsandwindowsbeautifulappearance,openflexibleandconvenient,shallnothavedeformation,obstructionandcollision. (3)hardwareaccessoriesexposedfastenersshouldbepreferredstainlesssteelproducts. (4)openthedoorsandwindowsandlargeslidingdoorsandwindowsclosedshouldbemulti-lockpoints,orundertheeffectofnegativepressurewillgreatlyreducetheairtightness,takingintoaccounttheeaseofoperation,itisbesttousemulti-lockhandleoractuator.
      2016-11-17
      Application of Small Precision Metal
      Precisionmetalstampingdie Overviewofstampingdieindustry Moldisusedinthemanufacturingindustry,theimpactofawiderangeofbasictechnologyandequipment,knownasthe"motherofindustry","CrownIndustry",isahigh-tech-intensiveindustries. Stampingdies-Inthecoldstampingprocess,thematerial(metalornon-metallic)intoparts(orsemi-finishedproducts)ofaspecialprocessequipment,knownascoldstampingdies(commonlyknownasDie).Stamping-isapressureprocessingmethodthatusesamoldmountedonapresstoapplypressuretothematerialatroomtemperaturetoproduceaseparationorplasticdeformationtoobtainthedesiredpart. Stampingdiestampingisessentialfortheproductionprocessequipment,isatechnology-intensiveproducts.Stampingpartsofthequality,productionefficiencyandproductioncosts,andmolddesignandmanufacturingaredirectlyrelated.Molddesignandmanufacturingtechnologylevel,isameasureofthelevelofacountry'smanufacturingproducts,oneoftheimportantindicators,toalargeextentdeterminestheproductquality,efficiencyandnewproductdevelopmentcapabilities.Atpresent,ithasbeenabletoproducemulti-stepprogressivediewithstepprecisionandformingaccuracyofabout2μm. BriefIntroductionofHigh-speedContinuousStampingDieforSmallPrecisionMetal Smallprecisionmetalmoldisahigh-endmoldindustrymold,withcomplexstructure,highprecisionmachiningparts,stampingspeedandlongservicelifecharacteristics.Smallmetalhigh-speedcontinuousstampingdieintheelectronicsindustryiswidelyused,butalsothedevelopmentandproductionofmobilephonesandothermobilecommunicationterminalsandotheremergingproducts,structuralpartsofthemostimportanttool.Inthemoldindustry,"EleventhFive-Year"plan,precisionstampingdies,especiallywiththeelectronicinformationindustryiscloselyrelatedtothesmallhigh-speedprecisionmetalstampingdieisclassifiedasthedevelopmentfocus.Toproducehighprecision,highstabilityofthestampingparts,mustimprovethelevelofstampingdietechnology.Withthedevelopmentofmicroelectronicstechnology,consumerterminalssuchasmobilephones,digitalproducts,theintegrationofmoreandmorehigh,butitssizeandweightinthemastersdecline,requiringitsinternalcomponentsbecomesmallerandsmaller,forexample,Anddigitalproductssupportingtheconnectoralsotowardtheultra-small,thindevelopment,connectorleadspacinghasbeenreducedto0.5mm,0.4mm,0.3mm,whichalsocontributedtothedevelopmentofprecisionmoldtechnology, MarketStatusofHigh-speedContinuousStampingDiesforSmallPrecisionMetals Multi-stationprogressivedieandfinedierepresentthedevelopmentdirectionofhigh-speedprecisionstampingdieforprecisionmetalparts.Therequirementsofprecisionandlifeexpectancyareveryhigh,mainlyfortheelectronicinformationindustry.Thesetwokindsofmold,thecountryhasaconsiderablefoundation,andhasintroducedforeigntechnologyandequipment,individualenterpriseproductshavereachedtheworldlevel,butmostenterprisesarestillawidegap,thetotalalsoinshortsupply.Atpresent,ithasbeenabletoproducemulti-stepprogressivediewithstepprecisionandformingprecisionofabout2μm.Foxconn,Tyco,longsurplusprecisioncompaniesinthedevelopmentofsmallprecisionmetalmoldsrankedthetopthreeintheworld,ofwhichlongsurplusprecisionasanexcellentrepresentativeoflocalenterprisesinthemolddevelopmentbyleapsandbounds,2009smallprecisionmetalhigh-speedcontinuousstampingdieDevelopmentofmorethan1,800sets,. TheDevelopmentDirectionofSmall-sizedPrecisionMetalHigh-speedContinuousStampingDie Moldtechnologyandmoldindustrydevelopmentfocusis:toimproveaccuracy,large-scaledevelopment,innovativestructuraldesign,leanmanagement.Toachievethisrequirementurgentdevelopmentofthefollowingitems: (1)tovigorouslydevelopmolddesigntalentandprocessingtalent; (2)tovigorouslyupgradethelevelofdomesticmoldprocessingequipment; (3)toenhancethequalityofdomesticmoldmaterials; (4)onthebasisofgooddomesticenterprisestosupportthemold,andgraduallyproduceanumberofleadinginternationalbrandsclosetothemoldbusiness. TheApplicationofHigh-speedContinuousStampingDieinPrecisionElectronicComponents Precisionelectroniccomponentsasanimportantpartoftheelectronicinformationindustry,widelyusedinmobilecommunicationterminalsanddigitalelectronicproducts.Mobilecommunicationterminalsanddigitalproductswithafastreplacement,productvariety,smallsizeandothercharacteristicsofproducts,precisioncomponentsalsorequirenewtypesofproducts,forms,developmentanddeliverycycleisshort,highprecision.Precisionmetalpartsaregenerallyassembledbyanumberofmetalparts,tohigh-volumeandrapidproductionofhigh-precisionmetalpartsmustusesmallprecisionmetalhigh-speedcontinuousstampingdietocomplete,becausethesmallhigh-speedprecisionmetalmoldhasthefollowingadvantages:①.Stampingspeed,highproductionefficiency,stampingtimesperminuteupto300timesmoresuitableforproductionoflargequantities,deliveryofurgentproducts.②.Highdegreeofautomation,apairofstampingdiecanbecombinedwithavarietyofstampingprocess,suchascutting,stretching,sprouting,moresuitablefortheproductionofmorecomplexstructureoftheproduct.③.Punchingproductswithhighprecision,becausethesmallprecisionmetalhigh-speedcontinuousmoldprocessingaccuracyofupto2um,punchingofmetalpartsaccuracyupto±0.02mm.Therefore,anenterprise'ssmallprecisionmetalhigh-speedcontinuousstampingdiedevelopmentlevelandamodulusoftheenterprisedeterminesthelevelofprecisionelectroniccomponentsmanufacturing,domesticenterpriseslongsurplusprecisionprecisionmetalbecauseofitshigh-speedcontinuoushigh-speedstampingdiedevelopmentlevel,In2004thefirsttodevelopmobilecommunicationterminalsanddigitalproductsprecisionconnectors;in2007thedevelopmentofmobilecommunicationterminalsanddigitalproductswithmicro-RFconnector,andthefirsttoachieveamobilecommunicationterminalsanddigitalproductsforthevarietyofconnectorseries.
      2016-11-17
       

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