电机端盖冲压工艺分析与级进模设计

34模具工业2007年第33卷第3期康俊远(广东轻工职业技术学院机电系,广东广州510300):分析了电机端盖零件的冲压成形工艺,介绍了电机端盖冲裁和拉深工艺设计,确定工位件的尺寸,利用拉深反拉深交替进行的方法,消除拉深产生的残留应力,同时还介绍了多工位级进模总体结构设计排样方案和成形特点,关键部件的设计计算方法,模具生产的零件符合精度要求:多工位级进模;拉深成形;电机端盖;工艺设计:TG386.42:B:1001-2168(2007)03-0034-05TechnologicalanalysisanddesignofprogressivedieforstampingofcoverKANGJun_yuan(DepartmentofMechanicalandElectricalEngineering,GuangdongIndustryTechnicalCollege,Guangzhou,Guangdong510300,China)Abstract:Thestampingprocessforamotorendcoverwasanalyzed.Thedesignofblankinganddrawingprocesswaspresented,includingthedeterminationofoperationsequenceandcomponentsdimensions.Thealternationofdrawingandreversedrawingwasappliedtorelievetheresidualstress.Inaddition,thegeneralstructuraldesignofamulti_operationprogressivedie,thelayoutdesign,theformingcharacteristics,andthecalculationmethodforkeycomponentswereintroduced.Keywords:multi_operationprogressivedie;drawingforming;motorendcover;technologicaldesign101,910,1011,,11910,,,,112~3mm,,,1012,11,,15,,,,12,11,,2,,,,,,50!~60!,,,;,,:∀,,,;#;∃,,,3,,,,2,,35模具工业2007年第33卷第3期:2006-10-24:(1965-),,,,CAD/CAE/CAM,:152,()13380031205,()[e-mail]11,10,1mm,,13mm2R3mm,910mm32-0.01+0.05mm,R0.5mm110+0.01+0.11mm,32-0.01+0.05mm0.06mm,IT9,IT12~IT14,,,1,,,,,,,,:,,,,23,,10,,,,22.112.5mm,2,2,,910mm13mm3,1,9,910mm13mm,102.25,,,1,,,,:%1%2%3%33.1D0,df=140mmd=110mm,df/d=1.273,h=4.3mm,dF=df+2h=148.6mmD0=&F4=192.8mm:D0,mm;&F,mm2t/D0∋100%1%,3.2:FL=k!bdpt=212.35kN:dp,mm;!b,350MPa;k,0.9;t,36模具工业2007年第33卷第3期3mm:F0=∀Lt=164.85kN;:Fx=kxF0=4.95kN;:Ft=nktF0=16.48kN∀=300MPa,kx=0.03,kt=0.05;L:Fy=2k!bLt=175.84kN;:Fz=SP=(110-13)∋80/4=749.26kNk0.8;S;P3.3dF/d=148.6/111.25=1.34,t/D∋100=0.65,0.53,0.52,m=111.25/192.8=0.57,3%~5%,H=48.5mm,H/d=48.5/111.25=0.44,,,223.4m=33.25/111.25=0.299,0.53,m0.57∋0.76∋0.79∋0.81=0.277,444.1,,,192.8mm,5mm,197.8mm,34.2,,,,2,:%%%1%2%3%%%%55.110:11.1t,1.2t,1.05t,5::Dd=(d+0.4+2c)0+#d:Dd,mm;d,mm;,mm;c,mm;#d,mm:dp=(d+0.4)-#p0:dp,mm;d,37模具工业2007年第33卷第3期mm;,mm;#p,mm5.213mm,=0.043mm,#d=/4,x=0.75dp=(d+x)-#d0=(13+0.75∋0.032)-/40=13+0.021+0.032mm:dp,mm;d,mmC=10%t=0.08mm,,0.08mm61,,,,,196.8mm,197mm,,,4,,,1,H7/m6,0.06~0.10mm,H7/g6,H7/r67(1),,(2)41.2.3.4.5.6.7.8.9.10.11.12.13.14.15.16.17.18.19.20.21.22.23.24.25.26.27.28.29.30.31.32.33.34.35.36.37.38.39.40.41.42.43.44.45.46.47.48.49.50.51.52.53.54.55.56.57.58.59.60.61.62.63.64.65.38模具工业2007年第33卷第3期11,,,FRABS,,,,,,1:2006-10-09:(1955-),,,,,:,()0731-5056869,13203151199,()[e-mail]刘矿陵,徐萍,林章辉(长沙航空职业技术学院机械系,湖南长沙410124):介绍圆形盒体类塑件的整圈内侧凹槽在模具内成型分型和2次内抽芯脱模的典型结构,模具生产的塑件合格,其结构对类似零件的设计有一定的借鉴作用:浮动型芯;浮动斜推杆;斜导柱内推抽芯;滚珠定距2次推出脱模:TG241:B:1001-2168(2007)03-0038-03DesignofinjectionmouldforopticaldiskboxLIUKuang_ling,XUPing,LINZhang_hui(DepartmentofMechanicalEngineering,ChangshaAeronauticalVocationalandTechnicalCollege,Changsha,Hunan410124,China)Abstract:Atypicalstructurefortheformingofaroundboxwithanannulargrooveininteriorcirclewasintroduced.Themechanismoftheinjectionmould,includingthepartinganddemoldingwithtwiceinwardcore_pulling,wasalsodiscussed.Keywords:floatingcore;floatinginclinedpushingbar;inwardcore_pullingwithinclinedguidepost;twicedemoldingwithejectingspacefixedbyballbearing:[1].[M].:,2003.[2].[J].,2002(6):30_32.[3].[J].,2005,31(4):26_28.[4].[J].,2002,28(12):24_25.[5].[M].:,2001.[6].[M].:,1998.