CA6140车床拨叉机械加工工艺规程及工艺装备设计.doc

CA6140:.,?()CA61402050()HT2001208M625030.07mm0.05mm?5000/1.0Kg/21.1-21HT200412.2-5,CT-122412.2-5MA-H2.2-4? ? D1?20?H?10 2?D2?50?H?3.5 2?T2?30?H?5?T3?12?H?5?T4?12?H?5?3()?1 ?2 ():,201.4-71.4-81.4-1101?2050T2X5102?20T1X5103?50T4X5104?2032T2Z52505?50D1T61606?D1T2X5107?20T2X5108?20T1X5109?20T232Z52510?50D1X5111?50D1T61612?8T1Z52513?M6T1Z52514?D1X6015?16?:1?50IT12D2?7.0?CT12?4.0?IT12?6.3?0.95?6.8?3.0?IT10?3.2?2.9?3.2520IT7D1?18?IT11?17.89?18?1.8?IT10?6.3?1.716?1.910?0.14?IT8?3.2?0.107?0.224?0.06?IT7?1. 6?0.039?0.0932?5.0?CT12?01?20?4.0?36.0?12?1. 5?7.7502?20?4.0?32.0?12?1. 5?7.7503?50?4.0?14.0?12?1. 8?6.3807?20?1.0?31.0?8?0.75?1.28308?20?1.0?30.0?8?0.75?1.28310?50?1.02?12.0?8?0.951?1.016301?2050 T21. HT200,b =170240MPa;aemax=72mml=176mm;204mm;X51YG6ae90,ap6,z=12,3.1d0=125mm3.1600080=10s=10,Kr=60,Kr=30,Kr=52. 1ap?ap=4mm2fz?3.5YG64.5kw4.2-35X51? fz=0.090.18mm/zfz=0.18mm/z3?3.71.5mmd0=125mmT=180min3.84vcvf3.16d0=125mmZ=12ap7.5fz0.18mm/zvt=98m/min,nt=250r/min,vft=471mm/minkMV= 1.0kSV= 0.8? ? 4.2-36nc=300r/min,vfc=390mm/min,vc= = m/min=118m/minf zc=v fc/ncz=390/30012 mm/z=0.1mm/z5)3.24Pcc=3.3kw,Pcm=4.50.75kw=3.375kwPcc:ap=4.0mmnc=300r/minvf=390mm/svc=118m/minfz=0.1mm/z6?tmL/ vfL=l+ y+l=176mm.3. 26y+=40mmtmL/ Vf=(176+40)/390=0.81min02?20T1?0103?50T4YG6X51 4.2-36 ? 04?2032T20.05mm,IT101. 2.1.2.2do=18mmo12b=3.5mm,b=2mm,l=4mm, 2. 1 2.7,0.5,?:2.8, 2.98330N 0.2150.265mm/r4.2-16, 2.19,Ff=2500N1.0Ff=2500NZ5258830NFf20.6mm 32.30? m/