试析电阻点焊动态参数测试系统的设计开发

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1、内蒙古农业大学硕士学位论文电阻点焊动态参数测试系统的设计开发姓名：刘桂梅申请学位级别：硕士专业：农业机械化工程指导教师：武佩;麻硕士20060501摘，要鬼隰悫爆过程中瓣动态焊接参数，如焊接嗽滤、瞧投蠲彀愿及电极力簿与焊攘：；建疆及烬接质爨密切褶获。戳姥，快速、准礁蟪爨步测试这些麓态群接参数，对痰线菰控焊接过程及焊接质爨鸯建要塞义t本文设计了一套便捷、可靠豹嘏黻熹烽渤卷参数铡试系绕。祭统鹣硬传圭装宵：zHJ—IB黧电流传薅器、禽行研制的甑陋应交斌力传感器、电檄问电压测鬣装鬣及NI--DAQ6062E数蠢采集卡等。羯庭撼彼耧设计较谗LabVIE鬻

2、编写了数攒采集程簿。农烊接过稔中，系统可实对地弼步测试群谈电流、窀檄漓电罐及窀檄力动态参数。溅试系统曩予测一2鞫王频交流气动式患撵橇上逑行了安骏，实骏结栗表躞，该溅试系统鼹够准确霹鼗避装褥点磐避疆熬套令特征镄号，必将寒瘸子攥接痰量熬在线羧控以及焊接过程魄诗算梗。模拟等奠定了基璐。关键词：电黻点爝；勘态雾数{溯试系统；LabVIEW．数摄采豢DesignandDevelopmentonMeasuringSystemofDynamicParametersinResistanceSpotWeldingAbstractThedynamicwelding

3、pca-ametersintheprocessofresistancespotwelding,suchasweldingcurrent，electrodevoltageandelectrodeforce，etc．arecloselyrelmedtotheweldingprocessandweldingquality．Therefore,ithasagreatsignificanceinOn-linesupervisionofweldingprocessandweldingqualitytomeasurethesedynamicweldingpa

4、rametersrapidlyandaccurately．Asetofconvenientandreliabledy蝴_icparametermeasuringsysteminresistancespotweldingwasdesignedinthispaper．ThehardwareofthesystemmainlyconsistsofaZHJ．1Bcurrentsensor，aself-maderesistancestrainforcesensor，thedeviceformeasuringelectrodevoltageandaNI-DA

5、Q6062Edataacquisitioncard．TheprogramofdataacquisitionwascompiledinsoftwareLabVIEW．ThesystemCanbeusedtomeasurethedynalIlicparametersincludingweldingcurrent,electrodevoltageandelectrodeforcesimultaneouslyduringtheweldingprocess．ThedesignedsystemwasappliedtocarryoutthetestsonaD

6、N-25QACresistanceweldingmachine．Theresultsshowthatthemeasuringsystemworksverywell，itcarlobtaintheparametersofspotweldingprocessaccuratelyandreliably．Thiswilllayafoundationforon-linesupervisionofweldingqualityandsimulationofweldingprocessinthefuture．Keywords：ResistancespotweI

7、ding；Dynamicparameters)Measuringsystem；LabVIEW；DataacquisitionDireefedby：prof．WUPeiprof。MAShuoshiAppIicantforMasterdegree：LIUGuimei(AgriculturalMechanizationEngineering)(CollegeofMechanicalandElectricalEngineering．InnerMongoliaAgriculturalUniversity，Huhhot010018，Ch呐a)内蒙古农业大学

8、硕士学位论文11引言电阻点焊是将工件以一定的力夹紧于两电极间，电流通过电极加于工件，主要由工件间的接触电阻产生焦耳热实现焊接的一种高效率的焊接方法。自