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Thread: Using pneumatics in a crusher?

  1. #1

  2. #2
    Its just the principal, Pneumatics are to quick for a decent crusher and as you know air can be compressed. If you have the knowledge to make a pneumatic system then you might as well make an axe-box. It would be great to see another and would be just as damaging as a crusher if you build it right.

  3. #3
    There is a pneumatic crusher. Heavy unfortunatly, from Sweden, called Mitril.

    Uses a single acting ram with spring return with 140mm bore 150mm stroke.

    8.5 tons

  4. #4

  5. #5
    Venom uses a electric actuator.

    And yes , there are a lot of good usefull electric actuators.
    It all depends in your creativity and budget.

  6. #6

  7. #7
    Depends on budget.

    I'm thinking about the Gimson Linaks
    It's what I would buy when needing an electric linak.

  8. #8
    Also something to think about is the pivot ratio with crushers, you can easily get half or even a third of the power of the linear with just having a long stroke claw

  9. #9

  10. #10
    Leverage is the main thing.

    To put it simple. If the linak delivers 100 kg over 200 mm, the claw will deliver 100 kg if the movement is also 200mm.

    You can exchange power for distance.

    Linak 200mm movement/100kg
    Claw 100mm movement/200kg

    Of course, geometrics are annoying things, and if the robot hasn't a good design, the forces won't act as you would want, and then you're trying to rip appart your robot.

    btw, the most powerfull pneumatic ram in a feather is probably Kennies Flow.

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