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A mechanism is a device designed to transform input forces and movement into a desired set of output forces and the movement.

2 votes
Accepted

Wires or columns which contract on passing electricity

It sounds like you are looking for an artificial muscle. I see you've already looked at one type of shape-memory alloy; also called memory metal, memory alloy, muscle wire, Nitinol Have you looked …
David Cary's user avatar
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2 votes

How to seal a threaded rod so I won't lose oil?

Have you considered putting the motor inside the same oil-filled box as the part that needs to move? Many electric motors -- such as the coolant motor in practically all household refrigerators -- ru …
David Cary's user avatar
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2 votes
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How does Fliike Smiirl counter mechanism work

. -- use a single motor and a "carry gear mechanism" so they can only count forward and backward (or in some cases only forward) in sequential order. … I suspect it is possible to have a mechanism with a total of one or two motors to independently select one at a time of a large number of letter/digit flip sections, and then flip that section an appropriate …
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0 votes

How to tilt a camera 180 using mirrors

Perhaps a mirror tilted 45 degrees on the end of a motor shaft might work? top view, camera looking horizontally: . . ./ [camera]<| . . . /=== moto …
David Cary's user avatar
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1 vote

How to build a liquid filling machine using piston?

Off the top of my head, the first thing I would try: Attach a stepper motor to a positive-displacement pump. (Gearing it down is often necessary). Then hook the wires from the stepper motor one of the …
David Cary's user avatar
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