【基本说明】上海乙谛精密机械有限公司是国内（上海）***生产胀套,涨套,涨紧套,胀紧套,涨紧联结套,胀紧联结套,免键轴套,采用国际标准(iso),设备精良,技术力量雄厚,生产工艺***,价格合理,服务周到！本公司产品广泛用于：纺织机械、包装机械、印刷机械、食品机械、冶金机械、矿山机械、轻工机械、重型机械、农业机械、建筑等各个机械制造领域。【参数规格】Z2型胀紧套别称：胀套、涨套、涨紧套、免键轴套材质：铬钢、45#钢表面处理：抛光产品规格咨询/订购示例：1.型号-内径+外径内径d=25mm、外径D=50mmZ2-25*502.不知型号：需提供“内径、外径、高度”本厂Z2型胀紧套的尺寸与参数（JB/T7934-1999)产品型号:Z2型原产地:上海基本尺寸额定负荷胀套与轴结合面上的压力PfN/mm2胀套与轮毂结合面上的压力Pf′N/mm2螺钉的拧紧力矩MAN·m重量kg型号dDlLL1d1n轴向力F1KN转矩M1KN·mmmZ2-17X471747172O27.5M6827Z2-18X4718Z2-19X47190.2522090140.20Z2-20X47200.27210900.24Z2-22X47220.30195900.23Z2-25X5025509300.3819095O.25Z2-28X55285510330.47185950.30Z2-30X55300.50175950.29Z2-35X60356012400.701801050.32Z2-38X63386314460.881851050.33Z2-40X6540650.921801100.34Z2-42X724272202433.5M812651.36200117350.48Z2-45X754575721.622101250.57Z2-50X805080711.771901150.60Z2-55X85558514832.272001300.63Z2-60X9060902.471801200.69Z2-65X95659516933.041901300.73Z2-70X11070110242839.0M1O141324.60210130701.26Z2-75X115751151314.901951251.33Z2-80X120801205.201801201.40Z2-85X12585125161486.301951301.49Z2-90X130901301476.601801251.53Z2-95X13595135181677.901951351.62Z2-100X145100145293347.0M12141929.601351252.01Z2-105X1501051501909.981851302.10Z2-110X15511015519110.501801252.15Z2-120X1651201651621813.101851352.35Z2-125X1701251701822013.781801302.95Z2-130X180130180343852.02027217.601651203.51Z2-140X1901401902229820.901651253.85Z2-150X2001502002432424.201701254.07Z2-160X2101602102635028.001304.30Z2-170X225170225384460M142238632.801601201905.78Z2-180X2351802352442037.801651256.05Z2-190X2501902504652682849046.501501158.25Z2-200X2602002603052552.501501158.65Z2-210X275210275505674M1624,59962.8915111529510.10Z2-220X2852202852662068.0015011511.22Z2-240X3052403053071585.5016012512.20Z2-350X3152503153276896.0016212512.70Z2-260X32526032534800104.0016513013.20Z2-280X355280355606686.5M1832915128.0014511540519.20Z2-300X375300375361020153.0015012020.50Z2-320X4053204057278100.5M201310210.0012058029.60Z2-340X425340425224.0014511531.10Z2-360X4553604558490116.0M221630294.0011578042.20Z2-380X4753804751620308.0013511044.00Z2-400X4954004951610322.0013010546.00Z2-420X515420515401780374.0013511050.00Z2-450X55545055596102130.0M24402050461.25124100100065.00Z2-480X585480585422160518.4010071.00Z2-500X605500605442240560.0012310072.60Z2-530X640530640452330617.0012110083.60Z2-560X670560670482440680.0012010085.00Z2-600X710600710502580775.0011810091.00Z2-630X740630740522680844.0011710594.00Z2-670X780670780562820944.00116100101.00Z2-710X8207108206029701054.00115100106.00Z2-750X8607508606231301173.00115100112.00Z2-800X9108009106632601300.00112100118.00Z2-850X9608509607035001487.00113100125.00Z2-900X101090010107536801650.00112100132.00Z2-950X106095010608038701838.00100139.00Z2-1000X1110100011108240002000.00110100146.00注：Z2型胀紧联结套螺钉的机械性能等级为12.9级。【结构与工作原理】图1是胀套的一种基本型式，它由外环1和内环2构成，它们分别与轮毂和轴相配合。图2是胀紧套在轮毂上夹紧的情况。胀紧套是靠拧紧高强度螺钉1，通过法兰2和隔套3给胀套4施加轴产生压力，从而在摩擦力的作用下实现无键联结的负载传递。胀紧套的夹紧过程见图3。图3A是在夹紧前的状况，这时胀套与轮毂和轴之间存在一定的间隙。当拧紧螺钉时，胀套面受到紧力P0内、外环沿轴向位移并产生径向变形，从而将间隙消除（图3b）。为了传递一定的负载，就要进一步拧紧螺钉，使有效夹紧力Py(此时总夹紧力PA=P0+PY)足以在胀紧套与轴结合面上产生的所需的压力Pf,这样就能夹紧了。在传动时胀套与轴的结合面之间就能有足够大的摩擦力来传递负载，从而达到联结轮和轴并传递负载的目的。【安装拆卸】1、安装：胀紧套在出厂时已涂了润滑油，可直接安装使用。安装时首先在另件①的法兰的螺孔中拧入三个螺栓④沿圆周均布，将内套①、外套②顶开。然后将胀紧套放到设计位置的毂孔中，使用测力板手拧紧螺栓，拧紧的方法是每个螺栓每次只拧到额定力矩的1/4，拧紧的次序以开缝处为界，左右交叉对称依次先后拧紧，确保达到额定力矩值。2、拆卸：拆卸时先将全部螺栓放松几圈。然后在拆卸的螺孔内交叉地拧入螺栓④顶松胀紧套。3、防护：安装时防止胀紧套污染，严禁使用MoS2油。在露天作业或工作环境较差的机器上，应定期在外露的胀紧套端面及螺栓上涂防锈油脂，应选用防锈性较好的胀紧套型式。)