SMTC-3-0A1-001-扭矩失效试验规范-(110711)

©上海汽车版权所有秘密文件注意保密CopyrightSAICGroupConfidential上汽股份有限公司技术中心企业技术标准EnterpriseTechnicalStandardofSAICMotorTechnicalCenterSMTCSMTC30A1001－2011（V1）扭矩失效试验规范Torquetofailuretestspecification2011-07-11发布/Issue2011-07-12实施/Implementation上汽股份技术中心技术标准化委员会TechnicalStandardizationCommitteeofSAICMotorTechnicalCenter发布IssueSMTC30A1001-2011（V1）I©上海汽车版权所有秘密文件注意保密CopyrightSAICGroupConfidential目次/Contents前言Foreword.........................................................................II1适用范围Scope.......................................................................12试验目的Objective...................................................................13试验方法Testmethod.................................................................13.1仪器设备Equipment.................................................................13.2试验样件Sample....................................................................13.3试验准备Testpreparation..........................................................13.4试验步骤Teststeps................................................................23.5数据处理Dataprocess..............................................................24试验报告Testreport.................................................................3SMTC30A1001-2011（V1）II©上海汽车版权所有秘密文件注意保密CopyrightSAICGroupConfidential前言为规范汽车螺纹紧固件接头开发工程实验室的试验，基于2009年5月至2011年5月期间已实施的100项试验（单项试验样本数大于15套），特制定本标准。请注意本文件的某些内容可能涉及专利，上汽集团不承担识别这些专利的责任。当中英文产生疑义时，以中文为准。本规范由整车试验分标委提出。本规范由SMTC技术标准化委员会批准。本规范由标准化工作组归口管理。本规范起草部门：试验认证部。本规范主要起草人：钱海挺，金耀军，陶俊。本规范于2011年7月11日首次发布，2011年7月12日实施。ForewordAccordingtotheexperienceofthe100tests(eachtestbaseonmorethan15sam-ples)betweenMay,2009toMay,2011,thisstandardisestablishedforthepremisetospe-cifythetestoftheTFJDLAB.Pleasenotethatsomecontentsinthisdocumentmayrelatetopatentrights,whichSAICGroupshallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights.ThisstandardisinChineseandEnglish.Ifindoubt,theChineseversionistheMaster.ThisstandardwasproposedbyVehicletestsub-committee.ThisstandardwasapprovedbytheSMTCTechnicalStandardizationCommittee.ThisstandardisunderthemanagementofStandardizationworkingteam.Thedraftingdepartmentofthisstandardis:TestandValidationDept.Themaindraftersofthisstandardare:QianHaiting,JinYaojun,TaoJun.ThisstandardwasfirstpublishedonJul,11,2011andimplementedonJul.12,2011.SMTC30A1001-2011（V1）1©上海汽车版权所有秘密文件注意保密CopyrightSAICGroupConfidential扭矩失效试验规范Torquetofailureteststandard1范围本规范规定了扭矩失效试验的试验方法。本规范适用于实验室方法确定给定接头中的螺纹紧固件在室温条件下，扭矩法安装的扭矩能力，了解给定接头的失效模式。1ScopeThisstandardspecifiesthemethodoftorquetofailuretest.Thisstandardappliestodeterminethemaximumassembletorqueofthefastenerinacertainjointundertheroomtemperature,andtofindoutthefailuremodeofacertainjoint.2试验目的为了最大程度地使用螺栓的强度，而且在装配螺栓时能避免屈服，通过本试验可以确定出螺纹紧固件在给定接头中的最大常温装配扭矩。通过本试验还可以确定接头失效模式。2ObjectiveTousethefullstrengthofthefastener,andtoavoidtheyieldofthefastener.Themaxi-mumassembletorqueofthefastenerinthecertainjointcanbedeterminedbythistestmethod.Itcanalsofindoutthefailuremodeofthejoint.3试验方法3Testmethod3.1仪器设备3.1Equipment3.1.1夹具，用于夹持接头零件的设备；3.1.1Jigisanequipment,whichisusedtoclampthejointmembers.3.1.2拧紧设备，用于产生输入扭矩的设备；3.1.2Tighteningequipmentisusedtopro-ducetheinputtorque.3.1.3扭矩传感器，用于测量施加在螺栓上的输入扭矩的传感器；3.1.3Torquesensorisakindofsensor,whichisusedtomeasurethetorque.3.1.4转角传感器，用于测量螺栓旋转角度的传感器；3.1.4Anglesensorisakindofsensor,whichisusedtomeasuretheangle.3.1.5数据采集设备，用于采集扭矩和旋转角度的设备；3.1.5Thedatacollector,whichisusedtocollectthetorqueandtheangle.3.2试验样件3.2Sample3.2.1样件数量为15至30套；3.2.1Thequantityofsamplesshouldbe15~30.3.2.2样件包括：各个接头零件（在缺失真实零件或由于几何尺寸不适用于本试验时，可由相同材料和功能尺寸的模拟件替代）、螺纹紧固件。要求所有零件符合设计要求。3.2.2Thesamplesinclude:allthejointmembers(Ifthereisnorealjointmember,thesimulatepart,whichismadebysamematerialandinsamefunctionalsize,shouldbeok),threadfasteners.Allcomponentsshouldbemeetthedesignrequirements.3.3试验准备3.3Testpreparation3.3.1按照装配手册中各接头零件的安装位置拼装接头零件；3.3.1Putallthejointmemberstogetherac-cordingthePAM.3.3.2预装螺纹紧固件，并保持其在松弛状态；3.3.2Pre-tighteningthefastenerintothejoint,andkeepitfree.3.3.3设置拧紧速度、目标扭矩及其控制精度和控制方法；3.3.3SettheRPMandtargettorque,controlaccuracy,controlmethodofthetighteningequipment.3.3.3.1拧紧速度，要求与工厂安装时的拧紧速度一致；3.3.3.1TheRPMofthetighteningequipmentinlabshouldbeassameasthetighteningSMTC30A1001-2011（V1）2©上海汽车版权所有秘密文件注意保密CopyrightSAICGroupConfidentialequipmentinfactory.3.3.3.2目标扭矩与螺纹紧固件的尺寸和性能等级有关，要求实际扭矩能保证螺纹紧固件或接头在此扭矩下会失效。3.3.3.2ThetargettorqueisrelatedtothesizeandPCofthefastener.Itshouldbelargeenoughtomakethefastenerorthejointtofailure.3.3.3.3目标扭矩的控制精度要求要满足第3.3.3.2条对实际扭矩的要求。3.3.3.3Therequirementofthecontrolaccu-racyofthetargettorqueshouldmeetthede-mandoftheitem3.3.3.2.3.3.3.4目标扭矩的控制方法一般为扭矩控制法。3.3.3.4Generally,thecontrolmethodofthetargettorqueistorquemethod.3.3.4选择扭矩传感器和转角传感器，要求传感器的测量范围能覆盖所有的测量值。3.3.4Thetorquesensorandanglesensorshouldbecovertheallmeasurescope.3.3.5在螺栓和拧紧设备之间安装扭矩传感器，连接扭矩传感器数据线，使测量数据能准确传入数据采集设备；3.3.5Installthetorquesensorbetweenthefastenerandtighteningequipment,andcon-nectthesensortothedatacollector,makesurethatthedatafromthesensorwillbeintothedatacollector.3.3.6数据采集设备的设置3.3.6Setupofthedatacolle