WD615发动机数据.doc

WD615发动机数据主要螺栓拧紧力矩螺栓名称扭紧规范扭紧后力矩（N.m）允许重复使用次数扭紧力矩（N.m）转角（）最小扭矩最大扭矩主轴承螺栓250+25缸盖轴承螺栓200+10290+52603803缸盖付螺栓90+10290+51201602连杆螺栓12090+51702501飞轮螺栓60+20290+52302802飞轮壳螺栓40+20120+51101402机油泵惰轮轴螺栓60+5正时中间齿轮轴螺栓180+20凸轮轴齿轮固定螺栓32排气管螺栓30+390 摇臂座螺栓100+10曲轴皮带轮固定螺栓60+5喷油泵固定螺栓25主要配合尺寸及间隙序号名称标准尺寸（孔/轴）配合性质间隙或过盈磨损极限1主轴瓦与主轴颈100+0.0954+0.141/100 0-0.20间隙0.0950.1610.172轴承座与主轴颈108-0.0220/108+0.147+0.125过盈-0.103 -0.1473主轴瓦厚度3.9583.9704曲轴，机体定位开档46+0.0050/46-0.102-0.205间隙0.1020.3050.355连杆轴瓦与曲柄销82+0.105+0.059/82 0-0.20间隙0.0590.1270.176曲柄销与连杆大头开档46 +0.10/46-0.15-0.25间隙0.150.350.507连杆大头孔与连杆瓦88+0.0220/88+0.118 +0.105过盈-0.083 -0.1188连杆瓦厚度2.97-2.9799连杆小头孔与衬套55+0.030/55 +0.145+0.095过盈-0.065 -0.14510连杆衬套与活塞销50 +0.041+0.025/50 -0.0050间隙0.0250.0460.1011活塞销座与活塞销50+0.009 +0.003/50 -0.0050间隙0.0030.0140.02512连杆衬套厚度2.750.0513气缸套孔与活塞裙部1260+0.025/125.85间隙0.150.2014第一道气环开口值0.400.601.515第二道气环厚与环槽3-0.01-0.022/3+0.08+0.06间隙0.070.1020.2816油环厚与环槽4-0.01-0.25/4+0.06+0.04间隙0.050.0850.2617第二道气环开口值0.250.401.518油环开口值0.350.551.519机体缸套孔与气缸套1300+0.025/130+0.01-0.008过渡-0.010.03320机体止口孔与缸套法兰134.50+0.010/-0.0120间隙00.2221凸轮轴孔与衬套65+0.0300/65+0.107+0.087过盈-0.507 -0.10722挺杆孔与挺杆38+0.0390/38-0.025-0.050间隙0.0250.0890.1523凸轮轴轴承与轴颈60+0.01+0.06/60-0.03-0.06间隙0.040.120.2024气门导管与进气门杆120+0.030/12-0.05-0.068间隙0.050.0860.2025气门导管与排气门杆120+0.030/12-0.05-0.068间隙0.050.0860.2026气缸盖气门座孔与进气门座56+0.0300/56 +0.085+0.066过盈-0.036 -0.08527气缸盖气门座孔与排气门座56+0.0300/56 +0.085+0.066过盈-0.036 -0.08528进气门下沉量1.21.41.829排气门下沉量1.21.830摇臂轴孔与轴24-0.028-0.027/24-0.040-0.073间隙-0.0120.06631机油泵齿轮与轴28-0.061-0.041/280-0.013间隙-0.0258 -0.06132机油泵盖轴孔与轴28+0.040+0.073/280-0.013间隙0.0400.0860.1033机油泵壳宽与齿轮40+0.027 +0.002/40-0.050-0.075间隙0.0520.1020.2034机油泵齿轮侧隙0.0980.1635水泵叶轮与水泵轴M81.536水泵皮带轮与水泵轴30-0.044-0.031/30+0.015+0.002过盈-0.033 -0.05937空压机缸孔与活塞900+0.02/90-0.09-0.1间隙0.090.120.2038空压机活塞环槽与环厚2.5+0.039 +0.014/2.50-0.024+0.005 +0.02/40-0.02间隙0.0140.0590.020.070.1539空压机第一道活塞环开口值0.250.401.540空压机第二道活塞环开口值0.250.401.541空压机油环开口值0.250.401.542空压机轴向间隙0.100.2543增压器轴向间隙0.16(max)0.1644增压器径向间隙0.46(max)0.4645空压机连杆小头与活塞200+0.021/20-0.007-0.020间隙0.0070.0410.1046空