Motors, Motion Control, Bearing, Actuators, Linear Guides

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electric motor A device that produces rotational power to a central drive shaft, obtaining that power from an electrical supply

linear actuator An actuator (a device that achieves mechanical displacement, under some sort of remote control) achieving linear, rather than angular, displacement

servo-motor An electric motor for making a mechanical change in a servo system (a system with a feedback loop measuring, and controlling, the difference between the present setting and the desired setting)

ball valve A valve, to control the flow of fluid in a pipe, that is opened or closed by turning a ball with a hole across its diameter (that allows fluid to flow when turned to be aligned with the pipe, and blocks it when turned to be perpendicular to the pipe)

power supply A power supply unit (PSU) that takes electrical power (usually AC) as its input and delivers regulated power (usually DC) at its output

absolute encoder A device (analog or digital) that outputs electrical signal(s) to indicate the position (linear or angular) with respect to a reference position

ball bearing A low-friction system of balls, in a ball race, that is placed between a stationary support and the moving (normally rotating) shaft that it accommodates

load cell A sensor that gives a signal proportional to the force or weight being applied

motion controller Electronic apparatus (often computerized) for controlling the motion of a (motorized) system