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The common fault of drum gear coupling is discussed

Introduction:
The drum gear coupling produced by machinery manufacturers has been widely used in various machinery industries, but it is still rarely used in people's lives. Perhaps we are not too familiar with the coupling transmission parts of this model. In fact, as long as it is a machine, the use of a long time, the machine will fail is a very normal situation. In fact, the drum gear coupling is no exception, so what are the common failures of the coupling transmission parts? The following is to explain the relevant content.

Common faults of drum tooth coupling:
If the material selected when making the drum gear coupling is not reasonable in design, it may lead to the top of the coupling transmission parts of the tooth position will not reach the required precision. If the drum gear coupling is installed too large, it is likely to cause the top gap of the coupling teeth disappeared. There is a common fault is the quality of the oil of the gear coupling is too poor, in the coupling operation will affect the efficiency of the coupling. Gear coupling is made up of the same number of teeth inner ring and flange half coupling with outer teeth and other parts. The outer teeth are divided into straight teeth and drum teeth two kinds of teeth, the so-called drum teeth is to make the outer teeth into a sphere, the spherical center on the axis of the gear, the clearance of the tooth side is larger than the general gear, this type of coupling can allow a larger angular displacement (relative to the straight tooth coupling), the contact conditions of the teeth, improve the ability to transfer torque, prolong the service life.

To sum up:
In fact, we all know that the drum gear coupling in use, its two axes will appear relative displacement phenomenon, so the coupling transmission parts of the tooth surface of the internal and external teeth periodic axial sliding, the tooth surface wear and power loss is bound to form, so the gear coupling needs to work in a good lubrication and sealing state. The coupling radial size is small, the bearing capacity is large, long for low speed and heavy load working conditions of shafting transmission, high precision and dynamic balance of the gear coupling can be used for high-speed transmission, such as the shafting transmission of steam turbine. Because the angular compensation of this type of coupling is greater than that of straight gear coupling, this kind of coupling is widely used at home and abroad, straight gear coupling belongs to the eliminated products, users should try not to choose.
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