WD615發(fā)動機數(shù)據(jù)

1、WD615發(fā)動機數(shù)據(jù)主要螺栓擰緊力矩螺栓名稱扭緊規(guī)范扭緊后力矩(N.m)允許重復(fù)使用次數(shù)扭緊力矩(N.m)轉(zhuǎn)角(0)最小扭矩最大扭矩主軸承螺栓250+25缸魚軸承螺栓200+102X90+52603803缸蓋付螺栓90+102X90+51201602連桿螺栓12090+51702501飛輪螺栓60+202X90+52302802飛輪殼螺栓40+20120+51101402機油泵惰輪軸螺栓60+5正時中間齒輪軸螺栓180+20凸輪軸齒輪固定螺栓32排氣管螺栓30+390搖臂座螺栓100+10曲軸皮帶輪固定螺栓60+5噴油泵固定螺栓25主要配合尺寸及間隙序號名稱標準尺寸（孔/軸）配合性質(zhì)間隙或過盈

2、磨損極限1主軸瓦與主軸頸0100+0.0954+0,4701000-0.20間隙0.095-0.1610.172軸承座與主軸頸0108-0.30/0108+0.147+0.125過盈-0.103-0.1473主軸瓦厚度3.958-3.9704曲軸，機體定位開檔46+0.0050/46-0.102-0.205間隙0.102-0.3050.355連桿軸瓦與曲柄銷0820/05+0.059/0820-0.20間隙0.059-0.1270.176曲柄銷與連桿大頭開檔46+0.10/46-0.15-0.25間隙0.15-0.350.507連桿大頭孔與連桿瓦088+0.0220/。88+0.118+0.1

3、05過盈-0.083-0.1188連桿瓦厚度2.97-2.9799連桿小頭孔與襯套r055+0.030/055+0.145+0.095過盈-0.065-0.14510連桿襯套與活塞銷050。.卬+0.025/050-0.005間隙0.025-0.0460.1011活塞銷座與活塞銷0500.009+0.003/050-0.005間隙0.003-0.0140.02512連桿襯套厚度2.750.0513氣缸套孔與活塞裙部01260+0.025/。125.85間隙0.150.2014A 道氣環(huán)開口值0.40-0.601.515第一道氣環(huán)厚與環(huán)槽3-0.01-0.022/3+0.08+0.06間隙0.0

4、7-0.1020.2816油環(huán)厚與環(huán)槽4-0.01-0.25/4+0.06+0.04間隙0.05-0.0850.2617第二道氣環(huán)開口值0.250.401.518油環(huán)開口值0.35-0.551.519機體缸套孔與氣缸套C1300+0.025/C130+0.01-0.008過渡-0.01-0.03320機體止口孔與缸套法蘭C134.50+0.010/C-0.0120間隙0-0.2221凸輪軸孔與襯套C65+0.0300/C65+0.107+0.087過盈-0.507-0.10722挺桿孔與挺桿C38+0.0390/C38-0.025-0.050間隙0.025-0.0890.1523凸輪軸軸承與軸

5、頸C60+0.01+0.06/C60-0.03-0.06間隙0.04-0.120.2024氣門導(dǎo)管與進氣門桿。120+0.030/。12-0.05-0.068間隙0.05-0.0860.2025氣門導(dǎo)管與排氣門桿C120+0.030/C12-0.05-0.068間隙0.05-0.0860.2026氣缸蓋氣門座孔與進氣門座。56+0.0300/。56+0.085+0.066過盈-0.036-0.08527氣缸蓋氣門座孔與排氣門座056+0.0300/。56+0.085+0.066過盈-0.036-0.08528進氣門下沉量1.21.41.829排氣門下沉量1.21.830搖臂軸孔與軸。24-0.

6、028-0.027/。24-0.040-0.073間隙-0.012-0.06631機油泵齒輪與軸028-0.0610.041/0280-0.013間隙-0.0258-0.06132機油泵盍軸孔與軸028+0.0400.073/0280-0.013間隙0.040-0.0860.1033機油泵殼寬與齒輪40+0.027+0.002/40-0.050-0.075間隙0.052-0.1020.2034機油泵齒輪側(cè)隙0.098-0.1635水泵葉輪與水泵軸M8X1.536水泵皮帶輪與水泵軸。30-0.044-0.031/。30+0.015+0.002過盈-0.033-0.05937空壓機缸孔與活塞C90

7、0+0.02/C90-0.09-0.1間隙0.09-0.120.2038空壓機活塞環(huán)槽與環(huán)厚2.5+0.039+0.014/2.50-0.024+0.005+0.02/40-0.02間隙0.014-0.0590.02-0.070.1539空壓機第一道活塞外什口值0.250.401.540空壓機第二道活塞外什口值0.250.401.541空壓機油壞開口值0.250.401.542空壓機軸向間隙0.100.2543增壓器軸向間隙0.16(max)0.1644增壓器徑向間隙0.46(max)0.4645空壓機連桿小頭與活塞PC200+0.021/C20-0.007-0.020間隙0.007-0.0410.1046空壓機連