Articulated couplings, also known as flexible couplings or universal joints, are mechanical devices used to connect two shafts together at an angle, allowing for the transmission of power and torque between them. They are commonly used in applications where the two shafts are not aligned perfectly, or where there is a need for flexibility in the system. Articulated couplings can be found in a wide range of industries, including automotive, aerospace, and manufacturing. The design of an articulated coupling typically consists of two yokes, or forked ends, that are connected by a cross-shaped component known as a spider. The spider contains four arms, each of which is connected to a yoke. The yokes are then attached to the two shafts that need to be connected. As one shaft rotates, the spider allows for the other shaft to rotate at a different angle, accommodating for any misalignment or flexibility in the system. One of the key advantages of articulated couplings is their ability to transmit power and torque smoothly and efficiently, even when the two shafts are not perfectly aligned. They are also able to compensate for any changes in alignment that may occur due to temperature changes or other factors. Additionally, articulated couplings are relatively easy to install and maintain, making them a popular choice in many industries. Despite their many advantages, there are also some limitations to using articulated couplings. They can be prone to wear and tear over time, particularly if they are exposed to high levels of vibration or shock. Additionally, they may not be suitable for applications where precise positioning is required, as they can introduce some degree of play or backlash into the system.
mechanical devices, power transmission, flexibility, yokes, spider, misalignment, torque, wear and tear
CITATION : "Charles King. 'Articulated Couplings.' Design+Encyclopedia. https://design-encyclopedia.com/?E=362004 (Accessed on December 07, 2023)"
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