冷镦模具设计培训资料课件-002

冷镦模具设计培训资料31、园日涉以成趣，门虽设而常关。32、鼓腹无所思。朝起暮归眠。33、倾壶绝余沥，窥灶不见烟。34、春秋满四泽，夏云多奇峰，秋月扬明辉，冬岭秀孤松。35、丈夫志四海，我愿不知老。冷镦模具设计培训资料冷镦模具设计培训资料31、园日涉以成趣，门虽设而常关。32、鼓腹无所思。朝起暮归眠。33、倾壶绝余沥，窥灶不见烟。34、春秋满四泽，夏云多奇峰，秋月扬明辉，冬岭秀孤松。35、丈夫志四海，我愿不知老。ContentsoftheTraining培训内容·AssemblyandsetupofCOD&COK剪刀/剪模组立·Assemblyandsetupofmaindies主模组立Assemblyandsetupofpunches冲头组立/失效分析·Understandsteel&carbidetools模具组立/材料/钨钢·Understandtoolsurface&friction模具表面/摩擦系数Understandtheeffectofpreform预成形分析10Jan20111.AssemblyandsetupofCodcoK剪刀/剪模组立ContentsoftheTraining培训内容·AssemblyandsetupofCOD&COK剪刀/剪模组立·Assemblyandsetupofmaindies主模组立Assemblyandsetupofpunches冲头组立/失效分析·Understandsteel&carbidetools模具组立/材料/钨钢·Understandtoolsurface&friction模具表面/摩擦系数Understandtheeffectofpreform预成形分析10Jan20111.AssemblyandsetupofCodcoK剪刀/剪模组立AssemblyandsetupofCod&CoK1TypesofShearing剪切类型COK:CutoffKnife剪刀COD:Cutoffdie剪体HalfCutterCOK/CompleteCODCompleteCOK/CompleteCOD半剪全剪AssemblyandsetupofCod&CoK2BasicMechanismofShearing剪切基础知识WhatHappenDuringShearing剪切过程产生:1.Elasticdeformation弹性变形2.Roll-over曲面3.Plasticshear塑性剪切4.Initialfracture初始断裂5.Finalfracture最终断裂6.PhysicalSeparation实际剪断AssemblyandsetupofCod&CoKBasicmechanismofshearinElasticdeformation弹性变形曲面3.Plasticshe塑性剪切4.Initialfracture初始断裂5.Finalfracture最终断裂ClearanceTooBig6.PhysicalSeparation实际剪断间隙太大OptimumClearance最佳间隙QualityProblems:质量问题1.OvalShape椭圆形2.Tilting歪斜ClearanceTooSmall3.Poorshear剪切面粗糙间隙太小4.Burr毛刺5.Notstraight不直AssemblyandsetupofCod&CoKBasicmechanismofshearing(HalfCutCoK)半剪N象1.NoControlofblank落料无法控制2.Differentshearpatterns剪切方式不同3.BlankNotStraight线材不直4.Bigroll-over曲面较大5.LowCost成本低廉6.Easytosetul安装简易7.LongToollife模具寿命较长AssemblyandsetupofCod&CoKBasicmechanismofShearing(CompleteCu全剪)圜圈1.NeedReliefsurfaces需要表面退让(退剪槽2.CarefulControlofclearance间隙要求高3.DifficultCoK/CODAlignment剪刀、剪体对齐困难4.BetterShear/Quality较好的剪切质量5.AchieveStraightblank剪断的线材较直6.Smallroll-over曲面小AssemblyandsetupofCod&CoK3CommonblankQualityIssue常见的线材剪切质量问题1.Roll-over曲面2.Plasticshear塑性剪切3.SecondaryFracture/Tongue次断裂/舌状毛刺4.Burr毛刺5.Straightness直线性AssemblyandsetupofCod&CoKCOD&COKSetting安装Relief表面退让(退剪槽Smallradius小圆角Relief表面退让(退剪槽AssemblyandsetupofCod&CoKCOD&COKMaterials材料ToolSteel模具钢①Carbide钨钢谢谢你的阅读知识就是财富丰富你的人生71、既然我已经踏上这条道路，那么，任何东西都不应妨碍我沿着这条路走下去。——康德