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  Summary:WGT drum gear coupling is composed of internal gear ring with the same number of teeth and flange half coupling with external teeth. WGT drum gear coupling is a rigid-flexible coupling, especially suitable for low-speed and heavy-duty working conditions, such as metallurgy, mining, lifting and transportation industries, and also suitable for various machinery such as petroleum, chemical, general machinery, etc. The shafting transmission.

　　WGT drum gear coupling is composed of internal gear ring with the same number of teeth and flange half coupling with external teeth. WGT drum gear coupling is a rigid-flexible coupling, especially suitable for low-speed and heavy-duty working conditions, such as metallurgy, mining, lifting and transportation industries, and also suitable for various machinery such as petroleum, chemical, general machinery, etc. The shafting transmission.

　　The external teeth are divided into straight teeth and drum teeth. The so-called drum teeth means that the external teeth are made into a spherical surface. The center of the spherical surface is on the gear axis. The tooth side clearance is larger than that of ordinary gears. Allows a larger angular displacement (compared to the straight tooth coupling), which can improve the contact conditions of the teeth, increase the torque transmission capacity, and prolong the service life.The contact state along the tooth width when there is angular displacement.

　　When the WGT drum gear coupling is in operation, the two shafts produce relative angular displacement, and the tooth surfaces of the inner and outer teeth periodically slide relative to each other in the axial direction, which will inevitably cause tooth surface wear and power consumption. Therefore, the gear coupling needs Work in a good and sealed state.

　　WGT drum gear couplings have small radial dimensions and large carrying capacity. They are often used in shaft transmissions under low-speed and heavy-duty conditions. High-precision and dynamically balanced gear couplings can be used for high-speed transmissions, such as combustion engines. The shafting transmission of the steam turbine.Because the angular compensation of drum-shaped gear couplings is greater than that of straight-tooth couplings, drum-shaped gear couplings are widely used both inside and outside. Straight-tooth couplings are obsolete products, and those who choose them should try not to use them.

　　Features of WGT drum gear coupling:

　　1. Strong carrying capacity.Under the same outer diameter of the inner gear sleeve and the large outer diameter of the coupling, the carrying capacity of the drum gear coupling is on average 15-20% higher than that of the straight gear coupling.

　　2. Large amount of angular displacement compensation.When the radial displacement is equal to zero, the allowable angular displacement of the spur gear coupling is 1o, and the allowable angular displacement of the drum gear coupling is 1o30', an increase of 50%.Under the same modulus, number of teeth, and tooth width, the allowable angular displacement of the drum gear is larger than that of the straight tooth.

　　3. The drum-shaped tooth surface improves the contact conditions of the inner and outer teeth, avoids the disadvantages of spur tooth end edge extrusion and stress concentration under the condition of angular displacement, and at the same time improves the friction and wear of the tooth surface, and reduces Noise, long maintenance period.

　　4. The tooth end of the outer gear sleeve is in the shape of a horn, which makes the assembly and disassembly of the inner and outer teeth very convenient.

　　5. The transmission efficiency is as high as 99.7%.