Universal Rotor: Difference between revisions

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[[Image:UniversalRotor.png|thumb|400px|Universal Rotor]]
[[Image:UniversalRotor.png|thumb|400px|Universal Rotor]]


The Universal Rotor can be fitted with a wide array of toolheads, such as string trimmer, posthole digger, tree planting auger, slurry mixer, and many others.


See [http://openfarmtech.org/weblog/?p=1304 corresponding blog post].
==Details==


The Universal Rotor is a structural assembly that holds a shaft with bearings, which is attached to the [[LifeTrac]] [http://openfarmtech.org/index.php/LifeTrac#Quick_Attach_Plate quick attach plate], or which can be detached and used in other applications. The hydraulic motor is interchangeable, and so far, a 32 cu in and a 6 cu in motors have been used. Motors at Factor e Farm have a quick mounting plate with 2 3/4" bolts for hold-down.
The Universal Rotor is a structural assembly that holds a shaft with bearings, which is attached to the [[LifeTrac]] [http://openfarmtech.org/index.php/LifeTrac#Quick_Attach_Plate quick attach plate], or which can be detached and used in other applications. The hydraulic motor is interchangeable, and so far, a 32 cu in and a 6 cu in motors have been used. Motors at Factor e Farm have a quick mounting plate with 2 3/4" bolts for hold-down.
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The assembly can be mounted either horizontally or vertically by bolting to a back plate accordingly.
The assembly can be mounted either horizontally or vertically by bolting to a back plate accordingly.


This is a Universal Rotor which to date has been used as the basis of a [http://openfarmtech.org/weblog/?p=2170string trimmer], tree planting auger, [http://openfarmtech.org/weblog/?p=1408 lathe], [http://openfarmtech.org/weblog/?p=2037 drill press], soil line cutting rotor, and [http://openfarmtech.org/weblog/?p=2091 honey extractor].
[[Image:Multiauger.jpg]]


Future work on this involves improved structural integrity, better mounting for LifeTrac, and improved interchangeability of motors.
==Product Ecology
[[Image:Multiauger.jpg]]
'''Uses'''
*[[Furnace]] - Steel
*[[Torch Table]] - Parts
*[[Tractor]] - Mounting
*[[PowerCube]] - Power
*[[Hydraulic Motor]] - Power


== CAD Drawings ==
'''Mounts'''
*[http://openfarmtech.org/weblog/?p=2170 String Trimmer],
*Tree Planting auger,
*[http://openfarmtech.org/weblog/?p=1408 Lathe],
*[http://openfarmtech.org/weblog/?p=2037 drill press],
*soil line cutting rotor,
*[http://openfarmtech.org/weblog/?p=2091 honey extractor].


[[Image:Universal_Rotor.png|thumb|right|200px|A rendering of the universal rotor done in BRL-CAD.]]
[[Image:Universal_Rotor_Sketch.png|thumb|right|375px|The model, exported from BRL-CAD to .stl format, loaded into freecad to generate the sketch, and then the saved sketch was cleaned up in inkscape.]]


I have put together a preliminary CAD drawing in BRL-CAD.  The file is based on the picture above and the posted dimensions of the LifeTrac front plate specifications.  Some of the dimensions I did not have data for so I just estimated from the scale in the picture.  What I should be able to do is post a sketch of all the pieces made from the CAD file and then we can either have someone on the farm measure and post the corresponding dimensions for the files from the existing prototype, or we can just have a discussion on the wiki here about what the various measurements ''should be'' on future models, regardless of the dimensions of the prototype now in existence.
==Status==
Future work on the rotor involves improved structural integrity, better mounting for LifeTrac, and improved interchangeability of motors.


For now I am just posting a rendering of the CAD file, I can post the .g file once I get the exact dimensions for it.
[[Image:Universal_Rotor.png|thumb|right|200px|A rendering of the universal rotor done in BRL-CAD.]]
[[Image:Universal_Rotor_Sketch.png|thumb|right|375px]]


'''Note: To the people at [[Factor e Farm]], if one of you could print the sketch of this machine and write on measurements for all the relevant dimensions and then re-scan the page with that information, I can update the model so it matches the as-built prototype you have at the farm.  This could then serve as the basis for further refinements for the next prototype.'''


Andrew, sign up at http://openpario.mime.oregonstate.edu/projects/unirotor/
=See Also=
[http://openfarmtech.org/weblog/?p=1304 Blog Post]
[http://openpario.mime.oregonstate.edu/projects/unirotor/ CAD OpenPario:Unirotor]




Revision as of 09:00, 5 September 2011

Main > Food and Agriculture > Farm equipment > LifeTrac


Universal Rotor
   Home  |  Research & Development  |  Bill of Materials  |  Manufacturing Instructions  |  User's Manual  |  User Reviews    Universal Rotor.png


Overview

Universal Rotor

The Universal Rotor can be fitted with a wide array of toolheads, such as string trimmer, posthole digger, tree planting auger, slurry mixer, and many others.

Details

The Universal Rotor is a structural assembly that holds a shaft with bearings, which is attached to the LifeTrac quick attach plate, or which can be detached and used in other applications. The hydraulic motor is interchangeable, and so far, a 32 cu in and a 6 cu in motors have been used. Motors at Factor e Farm have a quick mounting plate with 2 3/4" bolts for hold-down.

The assembly can be mounted either horizontally or vertically by bolting to a back plate accordingly.

Multiauger.jpg

==Product Ecology Uses

Mounts


Status

Future work on the rotor involves improved structural integrity, better mounting for LifeTrac, and improved interchangeability of motors.

A rendering of the universal rotor done in BRL-CAD.
Universal Rotor Sketch.png


See Also

Blog Post CAD OpenPario:Unirotor


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Key Design Planning Prototype Almost done Full Release
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