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Details

Main features of MLL plum coupling: 

1. MLLPlum couplingThe structure is simple, the radial dimension is small, the weight is light, and the moment of inertia is small. It is suitable for medium and high speed occasions. 

2. MLL plum coupling works stably and reliably, with good vibration damping, buffering and electrical insulation properties. 

3. MLL plum coupling has greater axial, radial and angular compensation capabilities. 

4. MLL plum coupling has high-strength polyurethane elastic elements, with large load-bearing capacity, long service life and reliability. 

5. The coupling does not need lubrication, the maintenance workload is small, and it can run continuously for a long time.Plum blossom-shaped elastic couplings are mainly suitable for frequent starting, forward and reverse rotation, medium and high speed, medium torque and high reliability work occasions, such as: metallurgy, mining, petroleum, chemical, lifting, transportation, light industry, textile, Water pumps, fans, etc.Working environment temperature -35℃~+80℃, transmission nominal torque 16~25000Nm, allowable speed 1500~15300r/min. 

The MLL plum coupling 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. The basic parameters and main dimensions of LM plum-shaped elastic coupling (GB/T 5272-2002) 

MLL梅花联轴器新版标准(GB/T 5272-2002)在规格上比旧版标准(GB 5272-1985)新增一个规格号,新版中的LM1与旧版中的ML1规格相同,新版增加了LM2规格,新版中的LM3与旧版中的ML2规格相同;即除了1#规格以外,旧版的规格加一号即等于新版的规格号。

modelPermissible torque MP/(N·m)Allowable speed mp/(r·min)Axle hole diameter>d1/mm, d2/mm, d3/mmLength of shaft holeL0>mmD0>mmB>mmD>mmD1>mmd0>mmh>mmMoment of inertia>kg·m2Mass>kgAllowable displacement
Elastic part hardness HAY typeJ, Z type
≥75≥85≥94L>mmL1>mmRadial>mmAxial>mm角向
MLL4-Ⅰ-160140250400475025,2862441511607010572100202.08.50.82.52°00`
30,32,35,388260191
40,4211284251
MLL4-Ⅰ-200380025,286244151200853.89.5
30,32,35,388260191
40,4211284251
MLL5-Ⅰ-200250400800380030,32,35,3882601972008512590122255.7513.81.03.01°30`
40,42,45,4811284257
MLL6-Ⅰ-2004006301120380035,38826020320085145104140306.7016.7
40,42,45,48,50,5511284263
MLL6-Ⅰ-250305035,38826020325010513.5021.7
40,42,45,48,20,5511284263
MLL7-Ⅰ-25071011202240305045,48,50,55112842652501051701301663015.2526.33.5
60,63,55142107325
MLL7-Ⅰ-31571011202240240045,48,50,551128426531513517035.034.7
60,63,65,70,71,75142107325
MLL8-Ⅰ-315112018003550240050,55112842723151352001561963545.947.31.54.0
60,63,65,70,71,75142107332
MLL8-Ⅰ-400190050,551128427240017098.061.3
60,63,65,70,71,75142107332
MLL9-Ⅰ-400180028005600190060,63,65,70,71,7514210733440017023018022535132.5844.51°00`
80,85,90,95172132394
MLL9-Ⅰ-500180028005600150060,63,65,70,72,75142107334500210230270108
80,85,90,95172132394
MLL10-Ⅰ-500280045009000150070,71,75142107344500210260205255453301325.0
80,85,90,95172132394
100,110212167484
MLL11-Ⅰ-6304000630012500120080,85,90,95172132411630265300245295507821971.8
100,110212167484
MLL12-Ⅰ-71071001120020000105090,95172132417710300360300356551069212
100,110,120,125212167497
130252202577
MLL13-Ⅰ-80080001250025000950100,110,120,125212167497800340400335391551920294




Shandong MLL plum blossom coupling Guangdong MLL plum blossom coupling 
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