Hello lemgineers!

I’m working on designing a claw that can be operated underwater. The plan is to use a linear actuator in a waterproof housing. The main issue is allowing the shaft to slide through without causing a leak. What’s the best way to go about this?

  • Longpork3@lemmy.nz
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    5 months ago

    If you have an air line to the surface, then running the enclosure at positive pressure to negate the force of water pressure at depth might be a starting point.

    I would also reconsider whether a linear actuator is the right approach. A hydraulic piston external to the housing where your motor resides reduces the complexity of any waterproofing, and might be a better approach if you’re dealing with significant depths/pressures.