Quote:
Originally Posted by AdamHeard
Pneumatically raised could be dangerous if you're doing it yourself. The two main concerns are if it is going to have enough strength to lift a robot, it will fire very fast when there is no robot on top.
The other is holding pressure, you don't want to be working on this and have it start to slowly drift down and pinch somebody.
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Properly engineered, Pneumatics are no more (or less) dangerous than motors. The only difference is what you control ... in Pneumatics it's inlet and outlet orifice sizes (and thus gas flow rates) while with motors it's electric current flow. Both systems are enhanced by feedback and both can be dangerous to those who don't understand their application.