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Toothed coupling details
Toothed couplings are composed of internal gears with the same
number of teeth and flanged half couplings with external teeth.
Toothed couplings have small radial size and large load carrying capacity, and are often used for low-speed and heavy-load conditions. transmission.
Advantages of gear couplings
1. Strong carrying capacity. Under the same outer diameter of the
inner sleeve and the large outer diameter of the coupling, the
bearing capacity of the gear coupling is on average 15 to 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 1 °, and the allowable
angular displacement of the gear coupling is 1 ° 30 ', an increase
of 50%. Under the same modulus, number of teeth, and tooth width,
the allowable angular displacement of the drum teeth is greater
than that of the straight teeth.
3. Drum-shaped tooth surface improves the contact conditions of the
internal and external teeth, avoids the disadvantages of straight
tooth tooth edge compression under the condition of angular
displacement, stress concentration, and improves the friction and
wear of the tooth surface, reducing the Noise, long maintenance
intervals.
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. Transmission efficiency is as high as 99.7%.