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Shanghai LMD (formerly MLZ) type single flange plum blossom elastic coupling
Shanghai LMD (formerly MLZ) type single flange plum blossom elastic coupling
  • product name:

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

  • product description:
    LMD (formerly MLZ) type single flange plum blossom elastic coupling is mainly composed of two protruding teeth closely meshed and subjected to radial compression to transmit torque. When the two axes are relatively offset, the elastic element undergoes corresponding elastic deformation , Plays a role of automatic compensation.
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LMD (formerly MLZ) type single flange plum blossomFlexible 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.

The plum-shaped elastic coupling has the following characteristics: the flower-shaped elastic coupling has simple structure, small radial size, light weight, and small moment of inertia. It is suitable for medium and high-speed occasions. The plum-shaped elastic coupling works stably and has good vibration reduction, Buffer and electrical insulation properties.The quincunx-shaped elastic coupling has large axial, radial and angular compensation capabilities. The quincunx-shaped elastic coupling has high-strength polyurethane elastic elements that are resistant to oil, large carrying capacity and long service life. The coupling does not require lubrication and maintenance The workload is small, and it can run continuously for a long time.

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25~12500N.m,许用转速1500~15300r/min。 

Basic parameters and main dimensions of LMD (formerly MLZ) type single flange plum blossom elastic coupling (GB/T5272-2002) (unit: mm)

modelOld modelNominal torque/NmAllowable speed/r/minAxle hole diameter d1, d2, dzLLoDDlElastic part modelWeight/kgMoment of inertia/kg.㎡
Elastic part hardness
a/Hab/Hb
80 + 560 + 5
LMD1MLZ12545850012,14,16,18,19,20,22,24,2535925090MT11.2060.00082
LMD250100760016,18,19,20,22,24,25,28,3038101.560100MT21.6480.0014
LMD3MLZ2100200690020,22,24,25,28,30,324011070110MT32.3570.0024
LMD4MLZ3140280620022,24,25,28,30,32,35,38,404512285125MT43.5560.005
LMD5MLZ4350400500025,28,30,32,35,38,40,42,4550138.5105150MT56.3610.0135
LMD6MLZ5400710410030,32,35,38,40,42,45,4855155125185MT610.7680.0329
LMD7MLZ66301120370035*,38*,40*,42*,45,48,50,5560172145205MT715.3020.0581
LMD8MLZ711202240310045*,48*,50,55,56,60,63,6570195170240MT822.7170.1175
LMD9MLZ818003550280050*,55*,56*,60,63,65,70,71,75,8080224200270MT934.4390.233
LMD10MLZ928005600250060*,63,65*,70,71,75,80,85,90,95,10090248230305MT1051.3580.459
LMD11MLZ1045009000220070*,71*,75,80*,85*,90,95,100,110,120100284260350MT1181.3020.977
LMD12MLZ11630012500190080*,85*,90*,95*,100,110,120,125,130115321300400MT12115.531.751
LMD13MLZ121120020000160090*,95*,100*,110*,120*,125*,130,150,160125348360460MT13161.793.366
LMD14MLZ1312500250001500100*,110*,120*,125*,130*,140,150,160135358400500MT14196.34.867
Note: 1. Mass and moment of inertia are approximate values ​​calculated based on the material being cast steel, L recommendation, and small 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 materials.


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Hangzhou Hengli Transmission Co., Ltd. is an enterprise specializing in the research and production of couplings.Our company is equipped with various equipments and strong technical force. It is a manufacturer of various types of couplings for many domestic machinery industries.The main products of our company are diaphragm couplings, tire couplings, roller chain couplings, drum gear couplings, star elastic couplings, slider couplings, flange couplings , Plum-shaped elastic coupling, elastic pin coupling, elastic sleeve pin coupling, elastic pin gear coupling, etc.To meet customer needs, we also undertake surveying, mapping and manufacturing of other couplings.The company has realized CAD computer-aided design and information management, integrated research and manufacturing, has rich manufacturing experience, perfect testing methods, complete varieties and specifications, and stable and reliable quality.

In terms of the market, the company has maintained long-term customer relationships with many domestic steel plants, and the product quality and delivery time have been highly praised by customers.We have established a stable supply relationship with many domestic papermaking, petroleum and other companies, and actively explore new sales markets with the quality and advanced performance of the products. The company has a group of professional and technical personnel with rich practical experience. At the same time, we have a Batch sales and after-sales personnel provide advanced transmission technology services for cooperative units to ensure smooth and efficient operation of the equipment of cooperative enterprises.

Since the establishment of the company, its products have been sold all over the country and have been deeply favored by new and old customers. Based on the principle of good faith, it has established long-term cooperative relations with many customers. Now our company is further strengthening employee technical training and improving technology Level, inject high technology into products, and strive for better products and more affordable products.The company adheres to the corporate philosophy of benevolence, integrity, pragmatism, and innovation, and strives to provide users with high-quality products and satisfactory services with advanced production management and strict quality control.


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

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