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Mini Servo Mounts

by Anomalous, published

Mini Servo Mounts by Anomalous Nov 11, 2009

Description

There are some little plastic mounts used for attaching mini servos together. They are NOT strong enough to support any weight, but they work well enough for playing with the servos. I used this assembly to test some servo control ideas, including inverse kinematics for positioning. More information available here: blog.notzero.net/2009/11/playing-with-servo-motors.html

The models were made in SketchUp. The parts in the SketchUp file are all scaled by a factor of 1000 (meters instead of mm), because SketchUp gets weird with small dimensions.

I've included a rough model of the servo motor used, which can be used to design other parts that attach to the motor. The mini servos I used are less than $4 each from DealExtreme: dealextreme.com/details.dx/sku.20023

Recent Comments

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Thanks for letting me know that the file is broken. It did slice correctly in whatever program I was using 2.5 years ago (may have been Skeinforge?), but perhaps that was more tolerant of bad files than other slicers.

I don't have the software installed to try to fix this right now, but the original SketchUp file is available here if you want to try exporting that part yourself.

The mount 2 stl file isn't manifold. It appears to me missing a facet. This prevents it from being sliced (by Slic3r 0.7.0, and probably others too).

I'm not sure what vise you mean. All of the servos are screwed together.

That said, this is certainly not a thing made for long term use! The first part to fail here would be the electrical tape holding the base motor down. I didn't think about what I was going to attach the entire arm to when I designed and printed out the individual segments.

I plan to eventually create a much sturdier version of something similar to this. This particular layout was meant to resemble a single leg of a hexapod robot, but it certainly too weak to be used as such.

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Dragonfly on Black Acrylic

License

Public Domain
Mini Servo Mounts by Anomalous is licensed under the Public Domain license.

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Comments

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reltham on Mar 11, 2012 said:

The mount 2 stl file isn't manifold. It appears to me missing a facet. This prevents it from being sliced (by Slic3r 0.7.0, and probably others too).

Anomalous on Mar 13, 2012 said:

Thanks for letting me know that the file is broken. It did slice correctly in whatever program I was using 2.5 years ago (may have been Skeinforge?), but perhaps that was more tolerant of bad files than other slicers.

I don't have the software installed to try to fix this right now, but the original SketchUp file is available here if you want to try exporting that part yourself.

Batist on Nov 11, 2009 said:

Nice work!
Doesn't the vise come loose after a while?

Anomalous on Nov 11, 2009 said:

I'm not sure what vise you mean. All of the servos are screwed together.

That said, this is certainly not a thing made for long term use! The first part to fail here would be the electrical tape holding the base motor down. I didn't think about what I was going to attach the entire arm to when I designed and printed out the individual segments.

I plan to eventually create a much sturdier version of something similar to this. This particular layout was meant to resemble a single leg of a hexapod robot, but it certainly too weak to be used as such.

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