Thingiverse
ScoutMega Printbot by jotauve
by Thingiverse
Last crawled date: 3 years ago
In this case, the SCAD code of the Scout printbot has been converted into OOML code ( iearobotics.com/oomlwiki/doku.php ). At the same time, the ScoutMega printbot derives from the MiniSkyBot ( thingiverse.com/thing:7989 ) by Obijuan ( thingiverse.com/obijuan ). The castor wheel in the rear part is the same as in the MiniSkyBot, but the OOML version ( thingiverse.com/thing:12198 ) by avalero ( thingiverse.com/avalero ) was employed.
Here is a small video (in spanish): http://www.youtube.com/watch?v=821ua42vHks
The main design is the same as the Scout printbot, but an additional front bumper has been included in order to mount on it a gripper. The gripper selected is a modification of the one posted in ( thingiverse.com/thing:2415 ).
The electronics consists on an Arduino Mega board and 3 Futaba S3003 servos (for both wheels and gripper).
In the attached files, all the source code is provided: SCAD files and STL. There is algo a C++ file in which it is the code of the chassis using the OOML.
Additional things:
To assemble everything, you will need at least:
11 M3x8mm screws.
4 M3x20mm screws.
14 M3 nuts.
2 O-ring: 50x3 mm.
1 O-ring 16x3 mm.
Realize that for the gripper I just used some plastic wire. You can do this as well but if you want to use screws (for a more robust coupling), you will need:
6 M3x6mm screws.
6 more M3 nuts.
TO DO:
The gipper is too big according the size of the chassis. This make the printbot unstable sometimes.
Change the design to make it easier to assemble.
Improve the gripper anchorage. Right now it is very difficult to assemble.
I'm sorry about this issues. That is what happens when an electronic design mechanics :)
Here is a small video (in spanish): http://www.youtube.com/watch?v=821ua42vHks
The main design is the same as the Scout printbot, but an additional front bumper has been included in order to mount on it a gripper. The gripper selected is a modification of the one posted in ( thingiverse.com/thing:2415 ).
The electronics consists on an Arduino Mega board and 3 Futaba S3003 servos (for both wheels and gripper).
In the attached files, all the source code is provided: SCAD files and STL. There is algo a C++ file in which it is the code of the chassis using the OOML.
Additional things:
To assemble everything, you will need at least:
11 M3x8mm screws.
4 M3x20mm screws.
14 M3 nuts.
2 O-ring: 50x3 mm.
1 O-ring 16x3 mm.
Realize that for the gripper I just used some plastic wire. You can do this as well but if you want to use screws (for a more robust coupling), you will need:
6 M3x6mm screws.
6 more M3 nuts.
TO DO:
The gipper is too big according the size of the chassis. This make the printbot unstable sometimes.
Change the design to make it easier to assemble.
Improve the gripper anchorage. Right now it is very difficult to assemble.
I'm sorry about this issues. That is what happens when an electronic design mechanics :)
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