The basic characteristics of drum gear coupling
Drum-shaped gear couplings have small radial dimensions, large load-bearing capacity, and are long used for shafting transmission under low-speed and heavy-duty conditions. High-precision and dynamically balanced drum-shaped gear couplings can be used for high-speed transmission. Such as the shaft transmission of a gas turbine.Since the angular compensation of drum-shaped gear couplings is greater than that of straight drum-shaped gear couplings, drum-shaped gear couplings are widely used inside and outside, and straight drum-shaped gear couplings are eliminated. Those who choose products should try not to choose them.
Drum-shaped gear coupling is composed of internal gear ring with the same number of teeth and flange half coupling with external teeth.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 spherical surface is on the gear axis. The tooth side clearance is larger than that of ordinary gears. Drum-shaped gear couplings allow Larger angular displacement (compared to the straight tooth coupling) can improve the contact conditions of the teeth, increase the torque transmission capacity, and prolong the service life.
When the drum-shaped gear coupling is working, the two shafts produce relative 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 loss. Therefore, the drum-shaped gear coupling requires Work in a well-lubricated and sealed state.
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- Installation technology of drum gear coupling
- The keyway type and code of the shaft hole of the diaphragm coupling
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