船用活塞式空气压缩机修理技术要求 CBT 3709-1995.pdf

CB/T3709一1995表1气缸和活塞的圆度和圆柱度mm气缸直径安装值极限值500.0080.025501200.0100.0501202600.0150.0804.2.3气缸或气缸套鏜削后，如工作表面有缺陷或内孔累计加工量超过缸径公称尺寸的1%时，应按3.3.4条进行水压试验。4.2.4气缸套有裂缝或严重缺陷时，应予换新。4.2.5气缸套水腔部分允许存在轻微的腐蚀，麻点和凹坑，当腐蚀深度大于壁厚的20%且腐蚀面积较大时，应子换新。4.3活塞和活塞环4.3.1活塞的圆度和圆柱度应符合表1规定。4.3.2活塞环槽磨损后，可光车环槽，但环槽的轴向增量不得大于公称尺寸的10%。4.3.3活塞与缸套的配合间隙、活塞环的开口间隙及与环槽的轴向间隙应按本机说明书或表2规定：无法查明规定数值时，可按表2取相近参数机型的规定或按表3、表4选取。2CB/T3709-1995表2双级活塞式空压机修理安装间隙mm1.0.4330CZ-10/30ZC-60/30空压机型号60CZ-20/302C-120/30气缸直径100108102155I级安装值0.080-0.1600.080-0.1400.160-0.2400.3000.430极限值0.3500.2800.5000.650活塞与气缸气缸直径548901381级安装值0.170-0.3600.050-0.1200.1500.2200.3000.430极限值0.5000,2400.5000.650安装值0.400-0.6900.500-0.6000.4000.6500.5000.800I级极限值1.0001.2001.3002.000安装值0.4000.6000.200-0.3000.2500.3500.400-0.700I级极限值1.0000.6000.8001.500活塞环开口1级0.3500.500油环安装值0.5000.6000.2500.3501.2001.500I级0.200一0.3001级1.000极限值1.2001,0002.2001级0.500安装值0.030-0.0500.020-0.0500.0200.0600.030一0.090活塞环轴向极限值0.1000.1000.1000.120公称直径60444075径向安装值0.0700.1300.0500.1100.0250.0800.0300.090曲柄销与极限值0.1800.1600.1200.150连杆轴承安装值一0.680-1.0000.0500.0800.1700.390轴向极限值0.501.00公称直径35.025.4:20.025.045.0活塞销与安装值0.0250.0700.0150.0500.0100.0500.0250.080连杆轴承极限值0.1000.0700.1000.120【级安装值0.3000.5001.3000.5001.0000.5001.000气缸余隙【级安装值0.3000.4001.4000.400-0.7000.5001.000进气阀1.41.62.01.82.33.0I级排气阁1.41.62.01.8-233.0阀片升程进气阀1.8-2.22.71.82.32.01级排气阀1.82.21.51.82.32.0安全阀起跳压力1级1.100.660.500.800.700.85MPa【级6.46.63.13.23.13.43.23.53