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ever-power transmission 1

JMIJ型膜片联轴器是一种高性能的金属弹性元件联轴器,由中间的套筒和两边的膜片组、半联轴器通过铰制孔螺栓交错地联接起来,膜片组由由多片很薄得不锈钢板制成,膜片组根据结构不同可分为连杆式和整体式两种。

JMIJ型膜片联轴器靠两边的膜片的弹性变形来补偿所联两轴的相对位移,主要特点是不用润滑,结构较紧凑,使用寿命长,无旋转间隙,不受温度和油污影响,具有耐酸、耐碱的特点,适用于高温、高速、有腐蚀介质工况环境的轴系传动。

JMIJ型膜片联轴器作为连接轴的关键传动装置,正确的安装方式,可以让中间轴膜片联轴器的稳定性能和长寿命。具体安装方式如下:螺栓是中间轴Diaphragm coupling的重要部件之一。它的安装正确与否直接影响到膜片联轴器的性能寿命,否则会造成的人力和配件的浪费。因此正确安装螺栓方向是关键的一环,并千万切记不要装反和丢下任何一个小零件,包括弹簧垫圈。只有这样才能使螺栓组件发挥它的优良性能,不会使联轴器其它部件损坏。

JMIJ type diaphragm coupling installation instructions

1. Before installation, first check whether the prime mover and the working machine are concentric, whether there are wrapping paper and scratches on the surfaces of the two shafts, whether there are debris in the inner holes of the two half couplings of the coupling, and whether there are any edges of the inner holes. If there are bruises, the shaft and half coupling should be cleaned up, and the bruises should be treated with a fine file.Then check whether the inner hole diameter and length of the two half couplings are consistent with the diameter and shaft elongation of the prime mover and working machine.In general selection, it is better to make the length of the prime mover and the working machine end half-coupling less than 10-30mm of shaft elongation.

2.为了便于安装,较好是将两个半联轴节放在120--150的保温箱或油槽中进行预热,使内孔尺寸涨大很容易装上。安装后让轴头不能凸出半联轴节端面,以齐平为好。检测两半联轴节之间的距离:沿半联轴节的法兰盘两内侧测出3--4点的读数取平均值,及加长段与两个膜片组实测尺寸之和,两者误差控制在0—0.4mm范围之内。

3.找正:用百分表检测两半联轴节法兰盘端面和外圆跳动,当法兰盘外圆小于250mm时跳动值应不大于0.05mm;当法兰盘外圆大于250mm时,跳动值应不大于0.08。

Basic parameters and main dimensions of JMIJ diaphragm coupling mm (JB/T 9147-1999)

modelNominal torque
Tn /Nm
Instantaneous high torque Tmax
/Nm
Permissible speed
[n]
/r.min -1
 
Diameter of shaft hole d(H 7)
 
Shaft hole shaft hole shaft hole shaft holeDtL2Moment of inertia I/kg.m 2 ≈Mass m/kg ≈
Y typeJ, J1, Z, Z1 typeL recommended
LLL1
JMIJ1258060001432-J1 type is 27 Z1 type is 2035908.81000.00131.8
16, 18, 194230
20, 22 38
JMIJ263180500018, 1942-30451009.51000.0022.4
20, 22, 245238
256244
JMIJ3100315500020, 22, 2452-3850120111200.00474.1
25, 286244
308260
JMIJ416050045002452-385513012.51200.00695.4
25, 286244
30, 32, 358260
JMIJ525071040002862-4460150141400.01538.8
30-32-358260
4011284
JMIJ64001120360032, 35, 388282606517015.51400.028113.4
40, 42, 45, 48, 50112-84
JMIJ76301800300040, 421121128470210191500.07622.3
45, 48, 50, 55, 56 
60142107
JMIJ810002500280045, 48112112848024022.51800.160236
50, 55, 56 
60-63-65142107
JMIJ916004000250055, 561121128485260242200.250948
60, 63, 65, 70, 71, 75142 107
80172132
JMIJ1025006300200063, 65, 70, 71, 7514214210790280172500.519585
80-85-90172-132
JMIJ11400090001800751421421079530019.52900.8223112
80-85-90172172132
100, 110212-167
JMIJ12630012500160090, 95172 132120340233001.4109152
100-110-120212167









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