Universal Joints
From Design+Encyclopedia, the free encyclopedia on good design, art, architecture, creativity, engineering and innovation.
Universal Joints
Universal joints, also known as U-joints, are mechanical devices used to transmit power between two shafts that are not in a straight line with each other. They are commonly used in automotive, industrial, and aerospace applications where flexibility in shaft alignment is necessary. The design of universal joints allows for the transfer of torque and rotational motion from one shaft to another, even when the two shafts are at different angles to each other. The basic design of a universal joint consists of a cross-shaped component with four arms, each of which is connected to a shaft. The arms are connected to each other by means of needle bearings or bushings, which allow for smooth rotation of the joint. The angles of the arms can be adjusted to accommodate different shaft angles, and the joint can be designed to transmit torque in one or both directions. There are several different types of universal joints, including single and double U-joints, constant-velocity (CV) joints, and flexible couplings. Single U-joints consist of a single cross-shaped component, while double U-joints use two cross-shaped components to provide greater flexibility in shaft alignment. CV joints are designed to maintain a constant velocity between the two shafts, even when they are at different angles to each other. Flexible couplings are used to connect two shafts that are not in line with each other, but do not require the same degree of flexibility as a universal joint. Overall, universal joints are an essential component in many mechanical systems, allowing for the transmission of power and motion between two shafts that are not in a straight line with each other. Their flexibility and adaptability make them a popular choice in a wide range of applications.
mechanical devices, power transmission, shaft alignment, torque, rotational motion
CITATION : "Joseph Edwards. 'Universal Joints.' Design+Encyclopedia. https://design-encyclopedia.com/define/universal-joints?E=262222 (Accessed on October 14, 2026)"
Universal Joints on Design+Encyclopedia
We have 220,822 Topics and 478,829 Entries and Universal Joints has 1 entries on Design+Encyclopedia. Design+Encyclopedia is a free encyclopedia, written collaboratively by designers, creators, artists, innovators and architects. Become a contributor and expand our knowledge on Universal Joints today.