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Industry News
NEWS
- Selection of requirements and grade determination of serpentine spring coupling
- Pay attention to the problems and scope of application when installing the star coupling
- Heat treatment status and disassembly work of star coupling
- The phenomenon that the elastic pin coupling is prone to long processing time
- Talking about the Analysis of the Damage Causes of the Star Coupling
ML型梅花联轴器具有以下特点:工作稳定,具有良好的减振、缓冲和电绝缘性能。结构简单,径向尺寸小,重量轻,转动惯量小,适用于中高速场合,梅花形弹性联轴器具有较大的轴向、径向和角向补偿能力,聚氨酯弹性元件耐油,承载能力大,使用寿命长,联轴器无需润滑,维护工作量少,可连续长期运行。
ML型梅花联轴器主要适用于起动频繁、正反转、中高速、中等扭矩和要求高性的工作场合,例如:冶金、矿山、石油、化工、起重、运输、轻工、纺织、水泵、风机等。工作环境温度 -35℃~ 80℃,传递公称扭矩25~12500Nm,许用转速1500~15300r/min。
ML型梅花联轴器如何安装使用
1 安装前应先检查原动机和工作机两轴是否同心,两轴表面是否有包装纸和碰伤。
Plum couplingWhether there is debris in the inner holes of the two half-couplings, whether there are bruises on the edges of the inner holes, if any, clean the shaft and half-couplings, and handle the bruises 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 its shaft elongation 10-30mm.
2 为了便于安装,较好是将两个半联轴节放在120150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34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—04mm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005mm;当法兰盘外圆大于250mm时,跳动值应不大于008。
4 安装螺栓:把螺栓从法兰盘小孔外侧穿入,从另一件法兰盘大孔外侧穿出套上缓冲套、弹性垫圈、扭上螺母,用扳手将螺母把紧。如安装不适或拆除更换,又不损伤轴及半联,安装完毕后,转动自如无别劲为好。
5 操作工须知:梅花联轴器在启动设备前应先检查梅花联轴器的螺母是否有松动或脱落,如有要及时将螺母用扳手把紧。应先空载启动设备1分钟后将负载管线阀门打开;停机顺序相反。(请每月将联轴器外部用机油涂刷一遍)。
6. Practice has proved that if the installation, maintenance and operation are carried out according to the instructions and requirements, the number of daily starts of the plum coupling is 15 times,
ML型梅花联轴器技术参数:
Plum blossom coupling model | Nominal torque Tn (NM) | Allowable speed n (r/min) | Axle hole diameter d1 d2 dz | Length of shaft hole | L0 | D | D1 | Elastic part model | Moment of inertia I (Kg.m2) | Mass m Kg | ||||||
Flexible hardware (HA) | ||||||||||||||||
a | b | c | iron | steel | Y type | Z, J type | ||||||||||
≥75 | ≥85 | ≥94 | L | L1 | ||||||||||||
ML1 | 16 | 25 | 45 | 11500 | 15300 | 12 14 | 32 | 27 | 80 | 50 | 40 |
| 0.014 | 0.66 | ||
16 18 19 | 42 | 30 | 100 | |||||||||||||
20 22 24 | 52 | 38 | 120 | |||||||||||||
ML2 | 63 | 100 | 200 | 8200 | 109 | 20 22 24 | 52 | 38 | 127 | 70 | 50 |
| 0.075 | 1.55 | ||
25 28 | 62 | 44 | 147 | |||||||||||||
30 32 | 82 | 60 | 187 | |||||||||||||
ML3 | 90 | 140 | 280 | 6700 | 9000 | 22 24 | 52 | 38 | 128 | 85 | 60 |
| 0.178 | 2.5 | ||
25 28 | 62 | 44 | 148 | |||||||||||||
30 32 35 38 | 82 | 60 | 188 | |||||||||||||
ML4 | 140 | 250 | 400 | 5500 | 7300 | 25 28 | 62 | 44 | 151 | 105 | 65 |
| 0.412 | 4.3 | ||
30 32 | 82 | 60 | 191 | |||||||||||||
35 38 | ||||||||||||||||
40 42 | 112 | 84 | 251 | |||||||||||||
ML5 | 250 | 400 | 710 | 4600 | 6100 | 30 32 35 38 | 82 | 60 | 197 | 125 | 75 |
| 0.73 | 6.2 | ||
40 42 45 48 | 112 | 84 | 257 | |||||||||||||
ML6 | 400 | 630 | 1120 | 4000 | 5300 | 35 * 38 * | 82 | 60 | 203 | 145 | 85 |
| 1.85 | 8.6 | ||
40 * 42 * | 112 | 107 | 263 | |||||||||||||
45 48 50 55 | ||||||||||||||||
ML7 | 710 | 1120 | 2240 | 3400 | 4500 | 45*48*50*55* | 112 | 84 | 265 | 170 | 100 |
| 3.88 | 14.0 | ||
60 63 65 | 142 | 107 | 325 | |||||||||||||
ML8 | 1120 | 1800 | 3550 | 2900 | 3800 | 50 * 55 * | 112 | 84 | 272 | 200 | 120 |
| 9.22 | 25.7 | ||
60 63 65 | 142 | 107 | 332 | |||||||||||||
70 71 75 | ||||||||||||||||
ML9 | 1800 | 2800 | 5600 | 2500 | 3300 | 60*63*65* | 142 | 107 | 334 | 320 | 150 |
| 18.95 | 41.0 | ||
70 71 75 | ||||||||||||||||
80 85 90 95 | 172 | 132 | 394 | |||||||||||||
ML10 | 2800 | 4500 | 9000 | 2200 | 2900 | 70*71*75* | 142 | 107 | 344 | 260 | 180 |
| 39.68 | 59.0 | ||
80 85*90 95 | 172 | 132 | 404 | |||||||||||||
100 110 | 212 | 167 | 484 | |||||||||||||
ML11 | 4000 | 6300 | 12500 | 1900 | 2500 | 80*85*90*95* | 172 | 132 | 411 | 300 | 200 |
| 73.43 | 87.0 | ||
100 110 120 | 212 | 167 | 491 | |||||||||||||
ML12 | 7100 | 11200 | 20000 | 1600 | 2100 | 90 * 95 * | 172 | 132 | 417 | 360 | 215 |
| 178.45 | 140 | ||
100*110*120*125* | 212 | 167 | 497 | |||||||||||||
130 | 252 | 202 | 577 | |||||||||||||
ML13 | 8000 | 12500 | 25000 | 1400 | 1900 | 100*110*120*125* | 212 | 167 | 497 | 400 | 225 |
| 208.75 | 160 | ||
130 * 140 * | 252 | 202 | 577 |