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What is backdriving in linear actuators, and how can it be prevented?

Release time:

2024-03-05


Backdriving occurs when an external force causes the actuator to move when it’s not powered. This happens in systems with ball screws due to their low friction. To prevent backdriving:

Use a brake: Mechanical or electric brakes can hold the actuator in position when not powered.
Choose a self-locking mechanism: Lead screw actuators are naturally self-locking and prevent backdriving.