车身焊装SE同步工程课件.ppt

1,车身焊装SE（同步工程）TheSEofBodyworkwelding,2,车身焊装SE工程介绍,车身开发具有周期长、成本高、质量控制复杂的特点。同步工程就是要缩短车身开发周期、有效控制开发成本、保证产品质量。Bodyworkempolderhavethecharacteristicofthelongcycle,highcostinganddifficultywithqualitycontrol.Atthesametime,theroleofSEisthatshortenthecycleofbodyworkempolder,effectivecontrolthecoastofresearch,ensurethequalityofproduct.,3,车身焊装SE工程介绍,车身同步工程就是要在产品开发初期，对产品白车身数模、焊点、定位，焊接可行性进行分析，确定白车身焊接构成图。Side-by-sideengineeringisthatthoughanalysingthewhitebodywork,weldings,orientationandthefeasibilityofwelding,ensurethewhitebodyworkStructurelayoutatthebeginningofproductresearch.,4,一、关于白车身总成研究：theresearchofbodyworkassembly.1、总成件结构thestructureofassembly2、焊接工艺流程theflowofweldingtechnics二、生产性分析analysethecapabilityofmanufacture1、零部件上线thepertsenterproductline1.1、上件顺序thegradationentrance1.2、上件是否干涉check-upinterference,5,1.3、零部件搬运可行性thefeasibilityofpartstransit1.4、工件结构分析theanalyseofpartsstructure2、工位布置：stationlayout2.1、根据部件布置工位accordingthepartstolaythestation2.2、分析生产线可行性analysefeasibilityofproductline2.3、分析焊装线生产效率：初步确定自制和外协analyseefficiencyofweldingline,choosethetypeofthepartsmanufacture,6,三、操作方便性分析Analysetheopration1、焊装条件分析analysetheconditionofwelding1.1、分析采用标准部件的焊接工艺性Analysetechnicsofweldingofusethenormativeparts1.2、通过分析确定最佳焊点ensurethefirst-rankweldings1.3、分析焊接搭接边最佳长度Analysethebestlengthofthejointlineforwelding1.4、为特殊焊接部位采取有效对策Taketheeffectivewayfortheespecialweldingposition,7,1.5、对不可焊部位加以分析analysethepositionofnowelding1.6、为减少焊钳数量进行分析（实现焊钳标准化）analysethedecreaseofthenumberofweldingtorch2、分析涂胶条件analysetheconditionofgelatinize2.1、分析需采用涂胶的部位analysethepositingofgelatinize2.2、分析涂胶型面analysethefaceofgelatinize2.3、就涂胶面形状及间隙进行分析analysetheshapeandgapofgelatinizeface,8,四、质量保证体系：thesystemofqualityguarantee1、主控点（MCP）是否合适IstheMCPappropriate?1.1、确定主控点，编制主控点文件ensuretheMCPandwritethefile1.2、检查型面，R角是否干涉checkouttheface,ensuretheinterferenceofRangle1.3、检查工装定位孔合适与否checkouttheorientationofjigs2、分析结合面形状analysetheshapeofjointface,9,3、公差分析analysetolerance3.1、分析可加工公差部位（一般公差使用除外）analysethecontrollabletolerance3.2、外观公差确定ensurethetoleranceofappearance3.3、移动公差部件确定ensurethepartswiththemobiletolerance3.4、移动公差范围theboundofmobiletolerance,10,4、包边质量thequalityofcrimp4.1、分析包边零部件包边长度analysethelengthofcrimp4.2、检查拐角部位包边条件checkouttheconditionofcrimpinthecorner4.3、分析折边部位的角度analysetheangleofcrimpposition,11,五、成本分析：analysecost1、工时man-haur1.1、上料性及焊接性分析analysetheoprationandwelding1.2、尽量降低打磨及保修工作量分析decreasetheworkloadofpolishandrepair2、产品结构分析theanalyseofpartsstructure2.1、产品数量最小化分析optimizethenumberofproduct2.2、产品回弹对夹具的影响theinfectionofproductre-springtothejig,12,3、装配结构分析：analysetheassemblystructure3.1、尽量降低焊装工位数declinetheweldingstation3.2、结合面的最佳条件thefirst-rankconditionofjointface4、验证焊装刨面validatetheplaneofwelding4.1、实现焊钳标准化carryoutthestandardizationofweldingtorch4.2、实现焊钳数量最小化optimizethenumberofweldingtorch4.3、其它焊接途径otherweldingways,2019/12/13,13,可编辑,14,六、输入文件：inputfile1、白车身数模（3D和2D）thedateofwhitebodywork2、焊点数模thedateofweldings3、白车身明细表；（也可有车身品标）thewhitebodyworkBOM4、主要流程图primarylayout5、总成图assemblylayout6、自制件外协件清单partsBOM,15,七、要、输出文件：outputfile1、白车身数模分析报告（已分总成为单位）theanalyticreportofwhitebodyworkdate2、白车身焊点问题点分析报告theanalyticreportofpointsforwelding3、焊装定位分析报告theanalyticreportofjigorientation4、确定夹具明细表ensureBOMofjigs5、确定白车身焊接构成图（即焊装结构树）ensurewhitebodyworkstructurelayout6、车身公差问题点说明explainthebodyworktolerance,16,八、车身SE事例说明：bodyworkSEreport1、定位孔locationhole,17,2、焊钳干涉：interferenceofweldingtorch,18,3、焊点weldings,19,