Questions tagged [mechanism]

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

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4
votes
1answer
3k views

How to measure and dispense a finite amount of powder or liquid

I've been watching too much How It's Made, and I've been wondering how they build devices that spray/inject/dispense a finite amount of liquid (to within some amount of error). I wanted to try this ...
5
votes
2answers
1k views

Building a non rotating persistence of vision device

I'm looking for a way to create a non-rotating persistence of vision device. I have all the electronics set up but I'm stumped with the mechanical design. I tried these two designs: But these didn't ...
2
votes
1answer
676 views

How can I attach an arm to a double-flat drive stepper motor?

This is my first robotics experience, outside of one class 10 years ago. I've been Googling this question for about an hour but I can't find an answer! I'm using a ROHS Step Motor 28BYJ-48 (with an ...
1
vote
2answers
263 views

Is it possible to make DIY clone of MakerBeam [closed]

Is it possible to make clone of http://www.makerbeam.eu/ of some easy accessible material like: wood plywood OSB MDF HDF others Using any type of CNC machine to mill some holes and rails in those ...