冲压轴承座的成形工艺及模具设计

1220099JOURNALOFNETSHAPEFORMINGENGINEERING83,(,272109):通过对轴承座毛坯尺寸的计算,结合其实际使用要求,进行工艺分析,确定了基本形状拉伸精整成形冲孔切边的三步成形工艺方案,介绍了拉伸模冲孔切边模的主要结构及设计要点:毛坯计算;三步成形工艺;模具结构介绍:TG386.4:A:16746457(2009)02008303:20090710:陈红(1972-),女,山东泰安人,工程师,主要从事产品开发与工艺工装设计工作TheFormingProcessofPressingHousingandMoldDesignCHENHong,LIFuhua(YanmineGroupDaLuMachineryCo.Ltd.,YanzhouShandong272109,China)Abstract:Throughthecalculationofblanksizeofthebearingandtheprocessanalysisincombinationwiththeactualrequirements,thethreestepformingprocesstohousingpressingisdetermined:thebasicshapestretching,finishingdrawing,punchingtrimming.Themainstructuresofthestretchingmold,punchingtrimmingmoldandtheirdesignsareintroduced.Keywords:calculationofblank;threestepformingprocess;moldstructure,08F,t=3mm,11Fig.1Bearingpart,,72+0.01-0.03mm,1270-0.14mm,0.3mm,72+0.01-0.03mm1270-0.14mm,,,11.11mm,1.1.1d[1]P14963,dt/d=1.69,d=3.6:dt=134.2mm200909841.1.2[1]P15165:D=d21+4d2h+2R(d1+d2)+4R2+d24+d23d1=66mm,d2=75mm,d3=84mm,d4=134.2mm,h=28mm,R=4.5mmD168mm1.1.3h/d=0.49dt/d=1.79t/D=1.7%[1]P178617,h1/d1=0.46~0.58,h/d=0.49,,1.2,,,,,,,,3:,22Fig.2Housingformingprocess22.113,9mm,730-0.02,1.2t,15!,,,312,16!,,,,42.220.95t,3mm,72+0.01-0.0352.33,,1.2.3.4.5.6.7.8.9.10.11.12.13.14.15.3Fig.3Drawingdieofbasicshape612:854Fig.4Anglesketchofpressureplate1.2.3.4.5Fig.5Finishingdrawingdie1.2.3.4.5.6.7.8.9.10.11.12.13.6Fig.6Punchingtrimmingdie31),,,,2),,,3),,4),K7/h65),,,,,,,,4,,,,,,,:[1].[M].:,1999:148-196.