变速箱壳体成形工艺与模具设计

4320103641,2,3(1.,231603;2.,261031;3.,100088):,,,,:;;;:TG385.2:B:1001-2168(2010)04-0043-04StampingprocessanddesignofdiefortransmissioncaseYuCheng-hui1,NIELan-qi2,WangFa-chun3(1.AnhuiWaterConservancyTechnicalCollege,Hefei,Anhui231603,China;2.ShandongHongqiElectromechanicalCo.,Ltd,Weifang,Shandong261031,China;3.BeijingGeneralResearchInstituteForNonferrousMetals,Beijing100088,China)Abstract:Thestampingprocessofatransmissioncasepartwasinvestigatedandafeasibletech2nologyschemewasdetermined.Apreformingdieandadeepdrawingdieweredevelopedfortheshaping.Afteranalysisontheproducingcauseofwasteproductsduringtheperforminganddeepdrawing,acorrespondingsolvingmethodwasputforward.Keywords:transmissioncase;preforming;deepdrawing;holeflanging:2009-12-12:(1970-),,,,,:18,()0551-7316865,()[e-mail]11,Q195A,3mm,8000,,,,22.1(1),[1],K;K5,K=H2/rcB:H;rc;B1:H=22mm,rc=60mm,B=202mm,K=H2/rcB=222/(60202)=0.045,(2)58.15mm4.5mm[2],,h:h(0.150.2)d:dh(0.150.2)d=8.7211.63mmh=4.5mm,(3)R3mm,R/t=3/3=1,,(4)23mm1mm,(5)58.150.023mm,,,,(6)126mm15.5mm,,,:()44201036412.22.2.1,,,,,2.2.2(1)F=K6Ltb:L,L=260=376.8mm;[3],K6=0.8;[4],Q195Ab=319392MPa:F=K6Ltb=0.8376.83392=354.5kN(2)P=FA[3],F=2.53MPa,A=(LB-41/2lb)-R2=(490240-41/27050)-602=68336mm2:P=205kN,Y32-200t2.2.3(1)F=K6Ltb:L,L=260=376.8mm;L2=258mmL=L1+2L2=376.8+2258=892.8mm[3],K6=0.8;[4],Q195Ab=319392MPa:F=K6Ltb=0.8892.83392=840kN(2)P=FA[3],F=2.53MPa;A=(LB-41/2lb)-(LB+R2)=(490240-41/27050)-(258120+602)=68336mm2:P=205kN,Y32-200t2.2.4[3],:P=FA:A;F,[3],F=50100MPaA=(LB-41/2lb)-(LB+R2)=(398222-41/27050)-(258126+632)=36386mm2:P=3638.6kNJ31-315t,J31-315t2.2.5P=1.3Lt[4],=255314MPa;L=1892.8mm;P=1.3Lt=1.3892.83314=1093.3kNJ31-2502.2.645201036421.2.3.4.5.6.7.8.9.10.11.12.13.(1),58.150.023mm:58.1270+0.046mm[3],D1=D+2r+t=61.127+22+3=68.127mm,h=H-r=4.5-2=2.5mm:d=D1-[r+t/2+2h]=68.127-[2+3/2+22.5]=52.14mm(2)P=1.3Lt=1.352.143314=200.5kN2.2.7,,[5],:d=d/E:(),195A=352.5MPa();E,E=202GPa()d=d/E=352.558.127/202000=0.1014mm=0.046mms=d+=0.1014+0.046=0.1474mmx=d+(2/3)=0.1014+(2/3)0.046=0.1321mm:58.127+0.1321+0.1471mm,58.2741-0.0150mm3,3.123.233.2.1,,,,,,,;,3.2.2,,,Cr12Cr12MoV,5862HRC,,0.350.40mm44.14.1.1,,,4.1.22,,2:(1)462010364,,,;,,,(2),,,,,,,,4.1.3,,,,hh,,;h,,h=0.050.10mm4.24.2.1,,,,,4.2.2,,,,,,100%4.2.3,,,,,,,,,(1),,,,,,,,1/5,,,(2),,,(3),(4),,5,,,:[1]().[M].:,1980.[2],.200[M].:,1994.[3].[M].:,1984.[4].[K].:,1995.[5],,.[J].,2008,25(3):28-31.31.2.3.4.5.6.7.8.9.10.11.12.13.14.15.