宝马车系发动机机械参数.doc

宝马车系一、发动机匹配表发动机型号匹配车型匹配年款M42318i1993-1996318is1993-1996318ti1995-1996M50325i1993-1995325is1993-1995325iC1993-1995525i1993-1995525iT1994-1995M30535i1993M60740i1993-1995740iL1993-1995530i1994-1995530iT1994-1995540i1994-1995M52328i1996-1998328is1996-1998528i1997-1998Z31996-1998M44318i1997-1998318is1997318ti1997-1998Z31997-1998M62540i1997-1998740i1997-1998740iL1997-1998二、发动机参数1M42、M50、M30、M60（4.0L）型发动机参数表 发动机型号项目M42M50M30M60（4.0L）最大功率(Hp/rMin-1)138/6000189/5900208/5700282/5800最大扭矩（FtLbs/rMin-1）129/4500184/4700225/4000295/4500缸径行程8481847592.086.089.080.0气缸排量（L）1.82.53.54.0压缩比10：110.5：19.0：110.0：1压缩压力10-11kg/cm210-11kg/cm210-11kg/cm210-12 kg/cm2气缸缸径标准值84.00084.00092.00089.000-89.014中间值84.08084.08092.080加大184.25084.25092.250加大284.50084.50092.500气缸最大失圆度和锥度0.0100.0100.0100.007气缸盖高度标准值139.90-140.10139.90-140.10140.0许用极限139.55139.70128.6139.7气缸盖最大翘曲度0.030.03最大研磨极限0.25-0.35气门座宽度进气门1.40-1.901.40-1.901.00-1.801.00-1.50排气门1.40-1.901.40-1.901.30-2.101.30-2.10气门座最大跳动量0.030.03气门座锥角（）45454545气门座直径进气门31.6032.4045.60排气门29.1029.4036.60气门座圈(进气门）标准座圈直径34.10034.10048.15036.10孔直径34.00034.00048.00036.00加大1座圈直径34.30034.30048.35036.30孔直径34.20034.20048.20036.20加大2座圈直径34.50034.50048.55036.50孔直径34.40034.40048.40036.40气门座圈（排气门）标准座圈直径31.60031.60040.15031.600孔直径31.50031.50040.00031.500加大1座圈直径31.80031.80040.35031.800孔直径31.70031.70040.20031.700加大2座圈直径32.00032.00040.55032.000孔直径31.90031.90040.40031.900气门座圈安装后高度标准7.20-7.307.20-7.30加大17.40-7.507.40-7.50加大27.60-7.707.60-7.70气门导管气缸盖孔内径进气门12.500排气门12.500气门导管内径标准6.0006.0008.0006.000加大16.1006.1008.1006.100加大26.2006.2008.2006.200气门导管安装后高度4.40-5.004.40-5.0013.0-14.013.0-14.0气门杆到导管油隙进气门0.800.80排气门0.800.80气门锥角（）454545气门最小边缘厚度进气门1.30排气门2.00气门头直径进气门33.033.047.0035.00排气门30.530.538.0030.50气门杆直径进气门5.9755.9758.00（1）排气门5.9755.9608.00气门间隙冷态0.30热态0.35凸轮轴轴向间隙标准值0.15-0.330.15-0.330.030-0.1800.10-0.28许用极限凸轮轴轴颈直径30.0030.00凸轮轴轴颈油隙0.020-0.0540.020-0.0540.040-0.074凸轮轴凸轮高度进气47.640-47.76047.640-47.76047.640-47.760排气47.640-47.76047.640-47.76047.34-47.46曲轴轴向间隙0.080-0.1630.080-0.1630.085-0.1740.085-0.257曲轴径向圆跳动0.150.200.100.15主轴承轴颈直径标准黄色59.984-59.99059.984-59.99059.984-59.99069.984-69.990绿色59.977-59.98359.977-59.98359.977-59.98369.977-69.983白色59.971-59.97759.971-59.97759.971-59.97769.971-69.977减小0.25黄色59.733-59.74059.733-59.74059.733-59.74069.733-69.740绿色59.727-59.73359.727-59.73359.727-59.73369.727-69.733白色59.721-59.72659.721-59.72659.721-59.72669.721-69.726减小0.50黄色59.484-59.49069.484-69.490绿色59.477-59.48369.477-69.483白色59.471-59.47769.471-69.474减小0.59黄色59.484-59.49059.484-59.490绿色59.477-59.48359.477-59.483白色59.471-59.47759.471-59.477减小0.75黄色59.233-59.24069.233-69.240绿色59.227-59.23369.227-69.233白色59.221-59.22669.221-69.226主轴承油隙0.020-0.0550.020-0.0550.020-0.0550.024-0.078连杆轴承轴颈直径标准45.009-45.02547.975-47.991减小0.2544.759-44.77547.725-47.741减小0.5944.509-44.52547.475-47.491减小0.7547.225-47.241连杆轴承油隙0.020-0.0550.012-0.047连杆衬套销孔直径外侧24.060-24.10024.000-24.03124.060-24.10024.000-24.021内侧22.005-22.01022.005-22.01022.003-22.00822.003-22.008曲柄销孔直径红色或标准值48.000-48.00948.000-48.00952.000-52.00848.009-48.016蓝色48.009-48.01648.009-48.01652.008-52.016连杆最大弯曲度0.0400.0400.0400.040连杆最大扭曲度0.050.0400.040连杆侧隙0.085-0.257活塞与气缸间隙标准值0.010-0.0400.010-0.0400.020-0.0500.006-0.038许用极限0.150.11活塞直径标准值83.98083.980Alcan：91.972Mahle：91.98083.975-83.994中间值84.06084.060Alcan：92.052Mahle：92.060加大184.23084.230Alcan：92.222Mahle：92.230加大284.48084.480Alcan：92.472Mahle：92.480活塞环侧隙第一道气环0.020-0.0520.020-0.0600.040-0.0720.030-0.065第二道气环0.020-0.0520.020-0.0650.030-0.0600.030-0.065油环0.020-0.0550.020-0.0500.020-0.055活塞环开口间隙第一道气环0.20-