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Mar 06,2025
A technical term for a coupling
Everything has its own professional terminology in the industry, if the computer has the professional language of the computer, then the coupling as a component of a machine, of course, there are also professional language, here is to explain the language of the coupling.
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Nitriding treatment of coupling
The coupling involves a variety of heat treatment methods, such as surface rust black, tempering for changing the overall hardness of the steel, hardening and tempering for increasing the local hardness, etc. This time is mainly about the rarely used nitriding treatment.
The importance of heat treatment for couplings
The heat treatment of couplings includes tempering, normalizing, tempering, high frequency, nitriding and other processes. The performance of different processes is different, and different heat treatment of different couplings is very important.
What is the difference between a star elastic coupling and a plum coupling
The plum club coupling has the characteristics of compensating the relative displacement of two shafts, reducing vibration, buffering, small radial size, simple structure, no lubrication, high bearing capacity, easy maintenance, etc., but the two half couplings need to move along the axis when replacing the elastic elements.
Feb 18,2025
Hot assembly of couplings
The thermal assembly of couplings is often used in the installation of heavy equipment such as large motors, compressors and rolling mills in which the couplings and shafts are usually connected by interference fit. The assembly methods of interference coupling include: press-in assembly, low temperature cold assembly and hot sleeve assembly. In the installation site, the hot sleeve assembly method is mainly adopted, because this assembly method is relatively simple and can be used for large diameter (D >1000mm) and large interference. Press-in assembly method is mainly used for light and medium static fitting, and requires mechanical equipment such as presses, so it is generally only used in manufacturers. The assembly method of cold shrinkage generally USES liquid nitrogen and so on as the cold source, and requires a certain amount of insulation container, so it can only be used when conditions are available.
Use and adjustment of couplings
When the coupling is overloaded, the reaction process is faster, and the coupling detents or the power input end disconnects with the output end more quickly. This type of safety coupling is known for its excellent detachable performance and relatively small red areas in the performance curve. A specially developed disc spring with special spring characteristics is designed to stabilize the safe coupling adjustment range and reduce the power input and output residual friction torque when the coupling is off.
Factors to consider when choosing a coupling
The torque to be transferred and its properties, as well as the requirements for the buffering and vibration reduction function. For example, for high-power heavy-duty transmission, can choose the gear coupling; For the transmission with severe impact load or the need to eliminate torsional vibration of shafting, the wheel coupling and other coupling with high elasticity can be selected.
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