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Device to rotate an object in every axis

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victor1

New Member
Hi.

I am making a student project of production line. This line consist some collaboration robots responsible for polishing every surface of a product delivered to them on simple conveyor. Because weight of a product far exceeds the maximum weight which can be placed on a cobot arm and every surface of a product need to be polished I think that I have to use an external device to rotate a product in every possible axis to get access to surface which is in contact with conveyor. Of course, the easiest solution to my problem is to use another robot, far "stronger" than a cobot but I want to avoid this situation.

So I am looking for such device which has ability to rotate an object in every axis. Something like a turntable, but more advanced. All I need is a video or a link to such device. For now I want just to see how it looks like and how it is works. I tried to use google and phrases like 'turntable' and 'multi axis turntable' but without good results. Maybe I should type something else? I don't even know how it could be named.

I will be very thankful for any help. Any example of such device will be great.
 

dknguyen

Well-Known Member
Most Helpful Member
Gimbal?

Production lines seem to use very specialized single-purpose machinery though. A gimbal might be overly complicated and general purpose instead of a series of much simpler devices spread along the line that change the orientation of the object in only one way as required.

Or maybe two graspers that only rotate about their wrist joint that are postioned 90 degrees from each other so they can alternately grab and flip the work piece as required. Kind of like a rubix cub solving robot:

One of the two graspers could be the turntable itself that the workpiece rests on with the second grasper being verticall oriented to the side so it can flip the workpiece after the turntable as positioned it properly to be flipped.

Googling "5-axis mill" might give you some ideas also.
 
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alec_t

Well-Known Member
Most Helpful Member
Welcome to ETO!
I suspect that any commercial 3-axis manipulator intended to pick up and rotate a product would be designed with a specific product (or range of products) in mind, e.g. products of regular shape (such as cubic) and known strength (to void being crushed). What products do you need to polish?
Is this the sort of thing you want?

Edit: Try 'manipulator' as a search term.
 
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