Common Robot Designs
Cartesian
Robots which have three linear (prismatic joints P, as opposed to rotational R joints) axes of movement (X, Y, Z). Used for pick and place tasks and to move heavy loads. They can trace out rectangular volumes in 3D space.
Cylindrical
The positions of these robots are controlled by a height, an angle, and a radius (that is, two P joints and one R joint). These robots are commonly used in assembly tasks and can trace out concentric cylinders in 3D space.
Spherical
Spherical robots have two rotational R axes and one translational P (radius) axis. The robots’ end-effectors can trace out concentric spheres in 3D space.
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