车身焊装SE(同步工程).ppt

12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。Bodywork empolder have the characteristic of the long cycle,high costing and difficulty with quality control.At the same time,the role of SE is that shorten the cycle of bodywork empolder,effective control the coast of research,ensure the quality of product.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-side engineering is that though analysing the white bodywork,weldings,orientation and the feasibility of welding,ensure the white bodywork Structure layout at the beginning of product research.4一、关于白车身总成研究：the research of bodywork assembly.1、总成件结构 the structure of assembly2、焊接工艺流程 the flow of welding technics二、生产性分析 analyse the capability of manufacture1、零部件上线 the perts enter product line1.1、上件顺序 the gradation entrance1.2、上件是否干涉 check-up interference51.3、零部件搬运可行性 the feasibility of parts transit1.4、工件结构分析 the analyse of parts structure2、工位布置：station layout2.1、根据部件布置工位 according the parts to lay the station2.2、分析生产线可行性 analyse feasibility of product line2.3、分析焊装线生产效率：初步确定自制和外协analyse efficiency of welding line,choose the type of the parts manufacture6三、操作方便性分析 Analyse the opration1、焊装条件分析 analyse the condition of welding1.1、分析采用标准部件的焊接工艺性 Analyse technics of welding of use the normative parts1.2、通过分析确定最佳焊点 ensure the first-rank weldings1.3、分析焊接搭接边最佳长度 Analyse the best length of the joint line for welding1.4、为特殊焊接部位采取有效对策 Take the effective way for the especial welding position71.5、对不可焊部位加以分析 analyse the position of no welding1.6、为减少焊钳数量进行分析（实现焊钳标准化）analyse the decrease of the number of welding torch 2、分析涂胶条件 analyse the condition of gelatinize2.1、分析需采用涂胶的部位analyse the positing of gelatinize2.2、分析涂胶型面analyse the face of gelatinize2.3、就涂胶面形状及间隙进行分析analyse the shape and gap of gelatinize face8四、质量保证体系：the system of quality guarantee1、主控点（MCP）是否合适 Is the MCP appropriate?1.1、确定主控点，编制主控点文件 ensure the MCP and write the file1.2、检查型面，R角是否干涉 check out the face,ensure the interference of R angle1.3、检查工装定位孔合适与否 check out the orientation of jigs2、分析结合面形状 analyse the shape of joint face 93、公差分析 analyse tolerance3.1、分析可加工公差部位（一般公差使用除外）analyse the controllable tolerance3.2、外观公差确定 ensure the tolerance of appearance3.3、移动公差部件确定 ensure the parts with the mobile tolerance3.4、移动公差范围 the bound of mobile tolerance104、包边质量 the quality of crimp4.1、分析包边零部件包边长度 analyse the length of crimp4.2、检查拐角部位包边条件 check out the condition of crimp in the corner4.3、分析折边部位的角度 analyse the angle of crimp position11五、成本分析：analyse cost1、工时 man-haur1.1、上料性及焊接性分析 analyse the opration and welding1.2、尽量降低打磨及保修工作量分析 decrease the workload of polish and repair2、产品结构分析 the analyse of parts structure2.1、产品数量最小化分析 optimize the number of product2.2、产品回弹对夹具的影响 the infection of product re-spring to the jig123、装配结构分析：analyse the assembly structure 3.1、尽量降低焊装工位数 decline the welding station3.2、结合面的最佳条件 the first-rank condition of joint face4、验证焊装刨面 validate the plane of welding4.1、实现焊钳标准化 carry out the standardization of welding torch4.2、实现焊钳数量最小化 optimize the number of welding torch4.3、其它焊接途径 other welding ways13六、输入文件：input file1、白车身数模（3D和2D）the date of white bodywork2、焊点数模 the date of weldings3、白车身明细表；（也可有车身品标）the white bodywork BOM4、主要流程图 primary layout5、总成图 assembly layout6、自制件外协件清单 parts BOM14七、要、输出文件：output file1、白车身数模分析报告（已分总成为单位）the analytic report of white bodywork date2、白车身焊点问题点分析报告the analytic report of points for welding3、焊装定位分析报告 the analytic report of jig orientation4、确定夹具明细表 ensure BOM of jigs5、确定白车身焊接构成图（即焊装结构树）ensure white bodywork structure layout6、车身公差问题点说明 explain the bodywork tolerance 15八、车身SE事例说明：bodywork SE report1、定位孔 location hole162、焊钳干涉：interference of welding torch 173、焊点 weldings184、点焊边问题 the problem of welding face 19 5、定位问题：the problem of locating hole 206、公差问题 the problem of tolerance217、焊装结构树 welding structure layout 2210、MCP确定 ensure the MCP2324