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LMD (formerly MLZ) type single flange plum blossom elastic coupling

The characteristics of the MLZ series plum-shaped elastic coupling: the plum-shaped elastic coupling has simple structure, small radial size, light weight, and small moment of inertia. It is suitable for medium and high speed applications. The plum-shaped elastic coupling is stable and reliable in operation and has good performance. Vibration damping, buffering and electrical insulation properties.

　　LMD (formerly MLZ) type single flange typePlum elastic couplingIt is mainly composed of two convex teeth that are closely meshed and subjected to radial compression to transmit torque. When the two axes are relatively offset, the elastic element undergoes corresponding elastic deformation, which plays a role of automatic compensation.
MLZ series plum blossom coupling features: plum blossom elastic coupling has simple structure, small radial dimension, light weight, small moment of inertia, suitable for medium and high speed occasions, plum blossom elastic coupling is stable and reliable, and has good reduction Vibration, buffering and electrical insulation properties.
LMD (formerly MLZ) type single flange plum blossom elastic coupling
The quincunx-shaped elastic coupling has greater axial, radial and angular compensation capabilities. The quincunx-shaped elastic coupling has high-strength polyurethane elastic elements that are wear-resistant and oil-resistant, have large bearing capacity, long service life, and reliability. No coupling is required. Lubrication, low maintenance workload, continuous long-term operation.
梅花弹性联轴器主要适用于起动频繁、正反转、中高速、中等扭矩和要求高可靠性的工作场合，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。
Basic parameters and main dimensions of LMD(MLZ) series plum-shaped elastic coupling (GB/T5272)/mm

model	Nominal torque Tn/N·m		Allowable speed [n]/r·min-1	Axle hole diameter d1, d2, dz	L	L0	D	D1	Elastic part model	Mass m/kg	Moment of inertia I/kg·m2
	Elastic part hardness
	a(HA)	b(HD)
	80±5	60±5
LMD1	25	45	8500	12, 14, 16, 18, 19, 20, 22, 24, 25	35	92	50	90	MT1-aMT1-b	1.206	0.00082
LMD2	50	100	7600	16, 18, 19, 20, 22, 24, 25, 28, 30	38	101.5	60	100	MT2-aMT2-b	1.648	0.0014
LMD3	100	200	6900	20, 22, 24, 25, 28, 30, 32	40	110	70	110	MT3-aMT3-b	2.357	0.0024
LMD4	140	280	6200	22, 24, 25, 28, 30, 32, 35, 38, 40	45	122	85	125	MT4-aMT4-b	3.556	0.005
LMD5	350	400	5000	25, 28, 30, 32, 35, 38, 40, 42, 45	50	138.5	105	150	MT5-aMT5-b	6.361	0.0135
LMD6	400	710	4100	30、32、35、38、40、42、45、48	55	155	125	185	MT6-aMT6-b	10.768	0.0329
LMD7	630	1120	3700	35、38、40、42、45、48、50、55	60	172	145	205	MT7-aMT7-b	15.302	0.0581
LMD8	1120	2240	3100	45、48、50、55、56、60、63、65	70	195	170	240	MT8-aMT8-b	22.717	0.1175
LMD9	1800	3550	2800	50、55、56*、60、63、65、70、71、75、80	80	224	200	270	MT9-aMT9-b	34.439	0.233
LMD10	2800	5600	2500	60、63、65*、70、71、75、80、85、90、95、100	90	248	230	305	MT10-aMT10-b	51.358	0.459
LMD11	4500	9000	2200	70、71、75、80、85*、90、95、100、110、120	100	284	260	350	MT11-aMT11-b	81.302	0.977
LMD12	6300	12500	1900	80、85、90、95、100、110、120、125、130	115	321	300	400	MT12-aMT12-b	115.53	1.751
LMD13	11200	20000	1600	90、95、100、110、120、125、130、140、150	125	348	360	460	MT13-aMT13-b	161.79	3.366
LMD14	12500	25000	1500	100、110、120、125、130、140、150、160	135	358	400	500	MT14-aMT14-b	196.30	4.867

Note:
1. Mass and moment of inertia are approximate values calculated based on the material being cast steel, L recommendation, and large shaft hole.
2. The diameter of the shaft hole with * can be used for the Z-shaped shaft hole.
3.a and b are the hardness codes of the two elastic parts.