Applications in Robotics and Medical Devices
I’ve been experimenting with building a small assistive robot arm for my grandmother, just something light-duty to help her move small items on a table. I’m trying to keep the whole setup compact, quiet, and smooth, and some people suggested looking into micro linear actuators instead of the regular ones I usually use for hobby robotics. I’m curious how well these smaller actuators hold up in more delicate applications, especially since I know they’re also used in some medical devices. Do they really offer better precision without sacrificing too much strength?
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I’ve used micro actuators in a couple of robotics projects where space was a big limitation, and they actually performed better than I expected. They don’t have the raw force of full-size actuators, but for precise, controlled motions they’re pretty solid. In one prototype for a wearable device, the compact size made everything much more comfortable and the movement smoother. If you want to browse specs and compare different stroke lengths or force ratings, miniature actuators https://www.progressiveautomations.com/pages/micro-linear-actuators has a decent range. For a light-duty assistive arm, they should be more than enough as long as the load stays small and the control system is tuned well.