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Shenyang Yate Heavy Equipment Manufacturing Co., Ltd.

Contact: Sun Xin
Phone: 024-89738897
Mobile: 13998182761
Fax: 024-89738897
Email: syytsyytsx@163.com
Address: No. 34, Daoyi Fourth Street, Daoyi Development Zone, Shenbei New District, Shenyang

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News
28
2020-07

Reliability Data Collection and Database Establishment of CNC Lathe

Time of issue: : 2020-07--28
1Introduction CNCmachinetoolsarethebasicequipmentofmodernmanufacturingtechnology,andtheirtechnicallevelisanimportantindicatorofthelevelofindustrialmodernizationinacountry.ThereliabilityofCNCmachinetoolsisthekeytothequalityofmachinetools.Atpresent,thereliabilityofdomesticCNCmachinetoolsisobviouslylowerthanthatofforeigncountries,whichseriouslyaffectsthecompetitivenessofdomesticCNCmachinetools.ImprovingthereliabilityofdomesticCNCmachinetoolshasbecomeatoppriority. Reliabilityanalysisisbasedonalargeamountoffielddata.Withthehelpofplannedandpurposefulcollectionofdataateachstageoftheproductlifecycle,analysisisperformedtofindtheweaklinksofproductreliability,improvethedesign,andimproveproductquality,soitisreliableThecollectionandanalysisofperformancedataplayanimportantroleinreliabilityengineering.However,thisaspectisaweaklinkindomesticreliabilityresearch.DuringtheperiodfromJuly1,1996toDecember31,1996,wecollectedthereliabilitydataof42CNClathesfromtheChangchunGearFactoryofFAWGroup,andinitiallyestablishedthereliabilitydatabaseofCNClathes.TakethisasanexampletoillustratethemethodofcollectingreliabilitydataofCNCmachinetoolsandthemethodofestablishingdatabase. 2Determinationofreliabilitytestplan Reliabilitytestisoneofthemainmethodstoobtainreliabilitydata,anditisthebasisforreliabilitydesignandanalysis.Inthepast30years,reliabilitytestmethodshavemadegreatprogress.Reliabilitytestingistime-consumingandexpensive.ForCNClathes,themainconsiderationisthetestsiteandtestsamples. Accordingtothetestsite,thereliabilitytestisdividedintofieldtestandlaboratorytest.DuetothecomplexstructureofCNClathes,therearemanyuncertainfactorsintheconditionsofuse,sotheactualreliabilitycanbecollectedbyselectingthefieldtestmethod.Datareliabilityisakeyissueinfieldtests.Acompletecollectionplanmustbeformulatedinadvance,andthedatashouldbeprocessedafterwardstoeliminateunreasonablefactors. Reliabilitytestscanbedividedintotwotypes:fulltestandsamplingtestaccordingtosamplesize.ItisimpossibletocarryoutalltestsforbatchproductssuchasCNClathes,andonlythetestmethodofsamplingandtimingtruncationcanbeused.Inordertomakethecollecteddatarepresentativeandconvenientfordatacollection,whenselectingtestsamples,asmanyCNClathesaspossibleshouldbeselectedassamplingsamples,andtheselectedequipmentshouldberelativelyconcentrated.Therefore,thisarticlechosetheFAWGroupChangchunGearFactory,whichusesalargeamountofCNClathesandhasrelativelyconcentratedequipment,asthetestbase,andtookits42CNClathesassamplesforahalf-yearfollow-upinvestigation.
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28
2020-07

The production technology of my country's building materials machinery industry is close to the world level

Time of issue: : 2020-07--28
1.Reformandopeninguphasbroughttheindustryintoanunprecedentedperiodofrapiddevelopment In2007,thetotalindustrialoutputvalueofthewholeindustrywas21.746billionyuan,theindustrialaddedvaluereached6.530billionyuan,andtheexportdeliveryvalueofproductswas1.285billionyuan.And30yearsago,thetotalindustrialoutputvalueofthewholeindustryin1978wasonlyafewhundredmillionyuan,theindustryproductioncapacitywasmorethan30,000tons,andnearly90%ofthebuildingmaterialsmachineryindustryreliedonimports. 2.Reformandopeninguphavegreatlyimprovedthemanufacturingcapacityoftheindustryandthequalitymanagementlevelhasgraduallyimproved In1978,therewereonlymorethan20majorbuildingmaterialmachineryenterprisesinthecountry,with6electricarcfurnacesof3-10tons,withanannualoutputof40,000tonsofmoltensteel;annualprocessingofmorethan15,000tonsofaccessoriesandmorethan30,000tonsofprofessionalequipment.Atpresent,thebuildingmaterialsmachineryindustryhasthousandsofenterprises,amongwhichthebackboneenterprises(groups)haveimprovedtheprocessingandmanufacturingprocessesthroughfurthertechnologicaltransformations,andaddedalargenumberofhigh,preciseandsophisticatedlarge-scaleprocessingequipmentandtestingmethods.SuchasCNCcuttingmachine,photoelectrictrackingcuttingmachine,automaticweldingequipment,largehobbingmachine(maximumvertebra14m),largecylinderlathe(maximumvertebra12.5m),andcorrespondingliftingfacilities,precisioncastingequipment,overallannealingfurnace,etc.Improvetheprocessingcapacityandmanufacturingleveloftheindustry,andeffectivelyimprovethequalityandtechnicalperformanceofbuildingmaterialsmachineryequipmentproducts. 3.Reformandopeninguphavebroughttheindustry'sproductiontechnologylevelcloserorequaltotheworldlevel Beforethereformandopeningup,theproductiontechnologylevelofChina'sbuildingmaterialsmachineryindustrywasroughlythesameastheworldlevelfornearly40years.Theonlymorethan20buildingmaterialsmachineryfactoriesinthecountrywereestablishedonthebasisofthemechanicalmaintenanceworkshopsofcementfactoriesandglassfactoriesorthepracticeworkshopsofschools.Yes,itcanonlyproducesomesimplebuildingmaterialsequipmentandaccessories,andtheproductionlineequipmentneededbythebuildingmaterialsindustrymainlydependsonimports.Atpresent,thetechnicalcontentofmycountry'sbuildingmaterialsmachineryequipmenthasbeengreatlyimproved,andsomenewtechnologiesandnewproductshavereachedorapproachedtheworld'sadvancedlevel.Domesticandforeignusershaveincreasedtheirrecognitionofdomesticbuildingmaterialsmachineryproducts,andthebuildingmaterialsmachineryindustryhasprovidedstrongsupportfortheconstructionofthebuildingmaterialsindustry,mainlyinthefollowingaspects.
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14
2020-08

About maintenance of bucket teeth of heavy machinery

Time of issue: : 2020-08--14
Duringtheuseoftheexcavator,theunsmoothuseandtheusecyclearedirectlyrelatedtoyourworkefficiency,andthebucketteethareparticularlyimportantastheforwardsthatdirectlycontacttheterrain.Sowhydoestheproblemofseriouswearofthebucketteethoccur?Howtosolveit? Eachworkingsurfaceofthebuckettoothisincontactwiththeexcavatedobjectduringexcavation.Theforceisdifferentindifferentworkingstagesoftheexcavationprocess.Whenthebuckettoothrepeatedlycontactshardobjectsandcuts,theworkingsurfaceofthebuckettoothisdifferent.Adegreeofsurfacewear,whichinturnproducesdeepfurrows,causesthebucketteethtobescrapped.Therefore,thequalityofthewear-resistantlayeronthesurfaceofthebuckettoothanditsqualitydirectlyaffecttheservicelifeofthebuckettooth. Recommendationsfortoothmaintenance 1.Choosingtherightbucketteethisanimportantfactorforprolongingtheworkinglifeofyourexcavatorandstrongerpenetration,becausethematchedbucketteethandtheiraccessoriesaretheprerequisiteforfasterexcavatorworkingcycleandsavingrawmaterials. 2.Duringtheuseofthebucketteethoftheexcavator,theoutermosttoothofthebucketis30%fasterthantheinnermostwearingpart.Therefore,afteraperiodoftime,theinsideandoutsideofthebucketcanbechangedorrotatedtoacertainextent.Toeaseandprovideproductivity. 3.Whenoperatingtheexcavator,itisbesttodigunderthebucketteethperpendiculartotheworkingsurfacetoavoidbreakingthebucketteethduetoexcessiveinclination. 4.Coatingtungstencoatingonbucketteethandotheraccessoriescaneffectivelyreducemaintenancecostsandimprovemachineefficiency. Inadditiontomaintenance,thequalityandmaterialoftheteeththemselvesshouldbemoreconcerned.
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Address: No. 34, Daoyi Fourth Street, Daoyi Economic Development Zone, Shenbei New District, Shenyang   Tel:024-25410113

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Copyright (C) Shenyang Yate Heavy Equipment Manufacturing Co., Ltd. All rights reserved.
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