GB/T25290-20103.3电动机的冷却方法为IC411(按GB/T1993一1993的规定)。3.4电动机的结构及安装型式为MB3、IMB5、IMB6、IMB7、IMB8、IMB14、IMB34、IMB35、IMV1、IMV3、IMV5、IMV6、IMV15、IMV17、IMV18、IMV19、IMV35和MV37(按GB/T9972008的规定)，按表1的规定制造。表1电动机的结构及安装型式机座号结构及安装代号(M)63~112B14、B34、V18、V1963≈160B3、B5、B6、B7、B8、B35、V1、V3、V5、V6、V15、V17、V35、V37180280B3、B5、B35、V1315355B3、B35、V13.5电动机的定额是以连续工作制(S1)为基准的连续定额。3.6电动机的额定频率为50Hz,额定电压为380V。功率在3kW及以下者为Y接法，其他功率均为△接法。3.7电动机应按下列额定功率制造：0.12kW,0.18kW,0.25kW,0.37kW,0.55kW,0.75kW,1.1kW,1.5kW,2.2kW,3kW,4kW,5.5kW,7.5kW,11kW,15kW,18.5kW,22kW,30kW,37kW,45kW,55kW,75kW,90kW,110kW,132kW,160kW,200kW,250kW,315kW.3.8电动机的机座号与转速及功率的对应关系应按表2的规定。曲上由表2机座号与转速及功率的对应关系、C二工同步转速r/min机座号300015001000750600功率kW63M10.180.1263M20.250.1871M10.370.250.1871M20.550.370.2580M10.750.550.370.1880M21.10.750.550.2590S1.51.10.750.3790L2.21.51.10.55100L12.20.7531.5100L231.111442.21.5132S15.55.52.2132S27.51317.531325.52筑素前网Z沁.T GB/T25290-2010机座号63-71机座号80-90机座号100-132表3机座带底脚，机安装尺寸座极数D号基本尺寸基本尺寸基本尺寸基本尺寸极限偏差基本尺寸极限偏差基本尺寸极限偏差基本尺寸极限偏差63M2,410050804011+0.00823471M2,4,6112569045±0.2614-0.0033050-0.03080M12562.550±1.51910040690S士0.3190L14070562450125+0.009-0.004100L1608086328600111909514070-0.036132S±2.0±0.372,4,6,82161081389178388010160M21025412710842+0.018160L254+0.00212180M1241279139.512148110士043180L27914200L3181593051335516225S4,828660140±0.50180-0.043225M235617814955110±0.43163114,6,8260250M4062033491684,6,818265280S3684,6,875140200457228.5190-0.052265180280M419+0.030-0.0434,6,875+0.011200-0.052265180315S406±4.0-0.0434,6,8,10801700±0.5022-0.052265140180315M508254457216-0.0434,6,8,1080170220-0.0520315L6514050818-0.0434,6,8,10801702227514020355M5604,6,8,10-+003595+0.01317025061030525475+0.0300.05214020355L630+0.0114,6,8,1095+0.035+0.01317025aG=D一GE,GE的极限偏差对机座号80及以下为(+8)，其余为(+8)，bK孔的位置度公差以轴伸的轴线为基准。興尚理筑素前阀Z.ZC.ET GB/T25290-2010机座号63-71机座号80-90机座号100-132机座号160-355表4机座带底脚，端盖上有安装尺寸凸AA/2BDEFGHK座号极数号基本基本基本基本极限基本极限基本极限基本极限基本极限基本极限基本极限位变尺尺寸尺寸尺寸偏差尺寸偏差尺寸偏差尺寸偏差尺寸中偏差尺寸偏差尺寸偏差公差63MFF1152,410050804011+0.0082348.563Φ0.5±0.2671MFF1302,4,611256904514-0.003305-0.03011-0.1d71①+0.3680M12562.550±1.1940610015.580090SFF16590L14070125562450±0.31+0.009209010-0.004Φ1.0100L160808FF2156328100111909514070600-0.03624±2.0±0.37112M④132S12F2652,4,6,82161310817889388010331320+0.4160M210+0.0180.50160L25412725410842+0.0021237160FF300h4.5180M241180L27949,2士3.48Φ1.2200LFF35031815930513355164200①225S4,828660140±0.501800.045318.5FF400249225M35617831114955110±0.43162254,6,860532250M406203349168e2504,6,865582280S368FF5004,6,875014020-0.05267.5.2d241902802457228.5651858280M4194,6,875882067.526518+0.52315S406±4.g8.48004,6,8,10170±0.5022-0.05271Φ2.02315MFF60050825421665140180-0.04358①4573154,6,8,1080170名-1.0-0.0527120315L5086514018-0.04358284,6,8,1080170227127514067.5355M5604,6,8,1095+0.035+0.013170290FF7406103052547580.0523552140355L6304,6,8,1095881702586aG=D一GE,GE的极限偏差对机座号80及以下为(+8)，其余为(+8)。bK、S孔的位置度公差以轴伸的轴线为基准。cP尺寸为最大极限值。dR为凸缘配合面至轴伸肩的距离。理筑素前阀Z.ZC.ET
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