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| author | jvasile <jvasile> | 2008-07-17 21:31:18 +0000 |
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| committer | jvasile <jvasile@cb376a5e-1013-0410-a455-b6b1f9ac8223> | 2008-07-17 21:31:18 +0000 |
| commit | 6a7a4f983a4523e5d1cb0a296d734189414b6efa (patch) | |
| tree | 3af49ec474bf1daacc6224fcf3a20815fc2426e9 | |
| parent | d98228651f895d9bbde3038bceba50f43a5484d2 (diff) | |
| download | reprap-6a7a4f983a4523e5d1cb0a296d734189414b6efa.tar.gz reprap-6a7a4f983a4523e5d1cb0a296d734189414b6efa.zip | |
tagging 0.2
git-svn-id: https://reprap.svn.sourceforge.net/svnroot/reprap@1774 cb376a5e-1013-0410-a455-b6b1f9ac8223
| -rw-r--r-- | trunk/users/vasile/tags/brlcad-0.2/brlcad_mechanical.py | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/trunk/users/vasile/tags/brlcad-0.2/brlcad_mechanical.py b/trunk/users/vasile/tags/brlcad-0.2/brlcad_mechanical.py new file mode 100644 index 00000000..482b4923 --- /dev/null +++ b/trunk/users/vasile/tags/brlcad-0.2/brlcad_mechanical.py @@ -0,0 +1,92 @@ +## Copyright (C) 2008 James Vasile <james@hackervisions.org> + +## This is a freed work; you can redistribute it and/or modify it +## under the terms of the GNU General Public License as published by +## the Free Software Foundation; either version 3 of the License, or +## any later version. + +## This is distributed in the hope that it will be useful, but WITHOUT +## ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +## or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public +## License for more details. You should have received a copy of the +## GNU General Public License along with the work; if not, write +## to the Free Software Foundation, Inc., 51 Franklin Street, 5th +## Floor, Boston, MA 02110-1301 USA + +from brlcad import * + +class stepper_motor(Shape): + '''Vertex is center point box, along the center of the cylinder. + + TODO: implement mounting holes''' + + def __init__(self, vertex, base_height, base_width, + mount_hole_rad, + motor_height, motor_rad, + spindle_height, spindle_rad, **kwargs): + + x, y, z = vertex + by = base_height + my = motor_height + + bw = float(base_width) / 2 + + self.vertex = vertex + + Shape.__init__(self, [ + Comment('Stepper Motor'), + + Cylinder((x, y+by, z), (0,motor_height,0), motor_rad), + Cylinder((x, y+by+my, z), (0,spindle_height,0), spindle_rad), + Box_rounded_edge_corners(x-bw,x+bw, y,y+by, z-bw,z+bw, bw/10), + ], basename='stepper', suffix='', group=True, **kwargs) + + +class Threaded_rod(): + '''Threaded rod. Horrible detail right now''' + def __init__(self, name, vertex, length_vector, major_diameter, minor_diameter, tpi): + '''If tpi is < 1, it's pitch in whatever the current units is, + otherwise it's teeth per current units''' + + ## Pitch + if tpi < 1: + pitch = tpi + else: + pitch = 1/tpi + + ## Major and minor radii + major = float(major_diameter) / 2 + minor = float(minor_diameter) / 2 + + ## Mock it up as a cylinder in a cylinder + ## Todo: improve mock up to use major diameter disks around a minor diameter core + return Script( + Cylinder('unique_name_token', vertex, length_vector, major), + Cylinder('unique_name_token', vertex, length_vector, minor) + ) + + +class Threaded_hole(): + '''Threaded hole. Horrible detail.''' + def __init__(self, name, vertex, length_vector, major_diameter, minor_diameter, tpi): + '''If tpi is < 1, it's pitch in whatever the current units is, + otherwise it's teeth per current units''' + + ## Pitch + if tpi < 1: + pitch = tpi + else: + pitch = 1/tpi + + ## Major and minor radii + major = float(major_diameter) / 2 + minor = float(minor_diameter) / 2 + + ## Mock it up as a cylinder in a cylinder + ## Todo: improve mock up to use major diameter disks around a minor diameter core + return Script( + Cylinder('unique_name_token', vertex, length_vector, major), + Cylinder('unique_name_token', vertex, length_vector, minor) + ) + + |