The WGZ gear coupling is composed of internal gear ring with the same number of teeth and flange half coupling with external teeth. External teeth are divided into straight teeth and drum teeth. The so-called drum gear means that the outer gear is made into a spherical surface with center on the gear shaft line. The backlash is larger than that of ordinary gears. The drum gear coupling can allow larger angular displacement (compared with the straight gear coupling), which can improve the contact conditions of the teeth and enhance the ability of torque transmission to prolong the service life. Contact state along tooth width with angular displacement.
With the opposite modulus, tooth number and tooth width, the angular displacement of drum teeth is larger than that of straight teeth;
The tooth end of the outer tooth sleeve of the gear coupling is in the shape of a loudspeaker, which makes it highly convenient to assemble and disassemble the inner and outer teeth.
The contact between inner and outer teeth by drum-shaped tooth surface is to prevent the edge of straight teeth from being squeezed and worn under angular displacement, thus reducing noise;
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