I am a tool and machine designer at a machine shop. We don't get into automation - just mechanical stuff.
We are just finishing up a rotisserie for the R&D center at a frame manufacturer.
Features:
1) Adjustable length for different frames. Driven by a hex drive acme screw.
2) Rotation centered on CofG of frame. Adjustable either way if I got it a bit out :)
3) Held in position by pneumatic cylinder activated disc brake.
Pics of build and the Inventor CAD model. I simplified the CAD model of the frame as I am only interested in the ends where I am grabbing it. That's why you don't see the whole thing.










We are just finishing up a rotisserie for the R&D center at a frame manufacturer.
Features:
1) Adjustable length for different frames. Driven by a hex drive acme screw.
2) Rotation centered on CofG of frame. Adjustable either way if I got it a bit out :)
3) Held in position by pneumatic cylinder activated disc brake.
Pics of build and the Inventor CAD model. I simplified the CAD model of the frame as I am only interested in the ends where I am grabbing it. That's why you don't see the whole thing.











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