Thingiverse
uStepper Robot Arm Wrist Joints by phiatt
by Thingiverse
Last crawled date: 3 years ago
I like the design of the uStepper Robotic Arm so much I have started to build one. Unfortunately for my preference, it has limited wrist movement.
I use a 28BYJ-48 12V stepper for the angular wrist movement and a micro geared stepper for the rotational movement..
This is only a prototype for now, basically proof of concept. The only down side is the 28BYJ stepper looses position when the power is removed. I am going to look into using some type of gear reduction for the angular movement and some how reduce the mass of the end-effector
This 28BYJ stepper or similar:
http://www.ebay.com/itm/28BYJ-48-Valve-Gear-Stepper-Motor-DC-12V-4-Phase-Step-Motor-Reduction-Arduino-/172294403078?hash=item281d8bf406:g:q0kAAOSwdzVXowG~
And this micro geared stepper:
http://www.dx.com/p/15mm-2-phase-4-line-micro-15by-dc-5v-stepper-gear-box-motor-355421#.V_CnF-ArK00
The hub adapters are from servocity.com
5mm & 3mm
https://www.servocity.com/770-set-screw-hubs
Now remember, this is a prototype and/or a work in progress, any suggestions will be considered and appreciated.
I use a 28BYJ-48 12V stepper for the angular wrist movement and a micro geared stepper for the rotational movement..
This is only a prototype for now, basically proof of concept. The only down side is the 28BYJ stepper looses position when the power is removed. I am going to look into using some type of gear reduction for the angular movement and some how reduce the mass of the end-effector
This 28BYJ stepper or similar:
http://www.ebay.com/itm/28BYJ-48-Valve-Gear-Stepper-Motor-DC-12V-4-Phase-Step-Motor-Reduction-Arduino-/172294403078?hash=item281d8bf406:g:q0kAAOSwdzVXowG~
And this micro geared stepper:
http://www.dx.com/p/15mm-2-phase-4-line-micro-15by-dc-5v-stepper-gear-box-motor-355421#.V_CnF-ArK00
The hub adapters are from servocity.com
5mm & 3mm
https://www.servocity.com/770-set-screw-hubs
Now remember, this is a prototype and/or a work in progress, any suggestions will be considered and appreciated.
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