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  Summary:The WG type drum gear coupling is to make the external teeth 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. Gear coupling), which can improve the contact conditions of the teeth, increase the torque transmission capacity, and prolong the service life.

　　The WG type drum gear coupling is to make the external teeth 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. Gear coupling), which can improve the contact conditions of the teeth, increase the torque transmission capacity, and prolong the service life.

　　In the contact state along the tooth width when there is angular displacement, the gear coupling is composed of an internal gear ring with the same number of teeth and a flange half coupling with external teeth.The external teeth are divided into two types: straight teeth and drum teeth. When the gear coupling is working, the two shafts produce relative angular displacement, and the tooth surfaces of the internal and external teeth periodically slide relative to each other in the axial direction, which will inevitably cause tooth surface wear and tear. Power consumption, therefore, gear couplings need to work in a good and sealed state.Gear couplings have small radial dimensions and large load-bearing capacity. They are often used in shafting transmissions under low-speed and heavy-duty conditions. High-precision and dynamically balanced gear couplings can be used for high-speed transmissions, such as gas turbine shafting. transmission.

　　Since the angular compensation of drum gear couplings is greater than that of straight gear couplings, drum gear couplings are widely used both inside and outside. Straight gear couplings are obsolete products, and those who choose should try not to use them.