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Element Polyurethane Elastic Buffer Flexible Shaft Coupling

  • 50R

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Product Overview of Flexible Claw Coupling

Polyurethane elastic spider flexible shaft coupling, often simply referred to as "plum blossom coupling" or "claw coupling", is a widely used all-weather, high-performance flexible coupling. Its core feature lies in the use of an elastic body made of polyurethane (PU) material. Due to its shape resembling multiple claws of a spider, it is named "elastic spider" or "plum blossom pad".

It is mainly used to connect two transmission shafts. While transmitting torque and motion, it compensates for various centering errors, absorbs vibration and shock loads, protects the equipment on the driving side (such as motors) and the driven side (such as pumps and fans), and ensures the smooth and reliable operation of the transmission system.


Core Advantage of Flexible Claw Coupling

1.High elasticity and shock absorption: Polyurethane materials have excellent elasticity, wear resistance and tear resistance, which can effectively dampen vibration and ensure smooth transmission.
2.Strong ability to compensate for centering errors: It can simultaneously compensate for radial, angular and a small amount of axial deviations, reducing the precision requirements for installation centering and saving installation time and costs.
3.Maintenance-free and long service life: No lubrication required, simple structure, polyurethane spider is oil-resistant, ozone-resistant and aging-resistant, with a long working life. When replacing, only the elastic spider needs to be replaced, and the maintenance cost is extremely low.
4.Electrical insulation: Prevents current from passing through couplings and protects components such as bearings.
5.Torsional flexibility: It provides a certain degree of torsional flexibility, which helps to alleviate torsional vibration during startup or load changes.
6.Low cost and high cost performance: Compared with gear couplings, membrane couplings, etc., its manufacturing cost and procurement cost are more advantageous.
7.Easy to install: Compact structure, light weight (especially the aluminum hub), and very convenient for installation and disassembly.



Parameters of Flexible Claw Coupling

Polyurethane Coupling Elastic Buffer (1)Polyurethane Coupling Elastic Buffer (6)






Model
External Diameter
Internal Diameter
Thickness
Number of Teeth
10R
80
49
23
8
20R
114
61
31
8
30R
131
74
35
8
40R
164
82
47
8
50R
210
106
60
8
60R
250
140
65
8
70R
293
164
72
8
80R
350
195
82
8











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