Design Essentials: Linear Actuators with Thermo-Compensation (.PDF Download)

A linear actuator combines linear-motion components and a linear shaft motor (direct drive) in one assembly. Such an actuator creates motion in a straight line, in contrast to the circular motion of a conventional electric motor. These devices are used in machine tools, industrial machinery, computer peripherals (e.g. disk drives and printers), valves, and dampers, and in many other applications that require linear motion.

When designing with standard linear systems, a linear actuator

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