Joint
Joints in a robotic arm A
Joint is a flexible part of a robot that is designed to move, rotate, or translate in some way. Joints can be controlled (with a motor), or uncontrolled (free moving). Two main types of joints are translational and rotational.
A translational joint causes each part of the joint to move in a sliding fashion to one another. A translational movement is one of extension or retraction, such as a sliding door or antenna.
A rotational joint is one which turns and rotates. Examples of a rotational joint include an elbow or knee joint. A combination of translational and rotational joints mounted in different orientations can allow the robot to perform very intricate movements. The higher the number of joints a robot has - the greater its ability to interact with its environment and the more
Degrees of Freedom the robot will have.
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