330 lines
13 KiB
Python
330 lines
13 KiB
Python
#!/usr/bin/python3
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# Copyright (C) 2013-2016 Florian Festi
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from boxes import *
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class MotorEdge(edges.BaseEdge):
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# def margin(self):
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# return 30
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def __call__(self, l, **kw):
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self.polyline(
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l - 165, 45,
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25 * 2 ** 0.5, -45,
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60, -45,
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25 * 2 ** 0.5, 45,
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55)
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class OutsetEdge(edges.OutSetEdge):
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def startwidth(self):
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return 20
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class HangerEdge(edges.BaseEdge):
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char = "H"
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def margin(self):
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return 40
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def __call__(self, l, **kw):
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self.fingerHolesAt(0, -0.5 * self.thickness, l, angle=0)
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w = self.settings
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self.polyline(0, -90,
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22 + w, 90,
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70, 135,
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2 ** 0.5 * 12, 45,
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35, -45,
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2 ** 0.5 * 0.5 * w, -90,
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2 ** 0.5 * 0.5 * w, -45,
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l - 28, 45,
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2 ** 0.5 * 5, 45, 5, -90)
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class RollerEdge(edges.BaseEdge):
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def margin(self):
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return 20
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def __call__(self, l, **kw):
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m = 40 + 100
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self.polyline((l - m) / 2.0, -45,
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2 ** 0.5 * 20, 45,
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100, 45,
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2 ** 0.5 * 20, -45,
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(l - m) / 2.0)
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class RollerEdge2(edges.BaseEdge):
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def margin(self):
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return self.thickness
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def __call__(self, l, **kw):
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a = 30
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f = 1 / math.cos(math.radians(a))
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self.edges["f"](70)
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self.polyline(0, a, f * 25, -a, l - 190, -a, f * 25, a, 0)
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self.edges["f"](70)
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class Rotary(Boxes):
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"""Rotary Attachment for engraving cylindrical objects in a laser cutter"""
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ui_group = "Unstable"
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def __init__(self):
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Boxes.__init__(self)
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self.addSettingsArgs(edges.FingerJointSettings)
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self.argparser.add_argument(
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"--diameter", action="store", type=float, default=72.,
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help="outer diameter of the wheels (including O rings)")
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self.argparser.add_argument(
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"--rubberthickness", action="store", type=float, default=5.,
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help="diameter of the strings of the O rings")
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self.argparser.add_argument(
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"--axle", action="store", type=float, default=6.,
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help="diameter of the axles")
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self.argparser.add_argument(
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"--knifethickness", action="store", type=float, default=8.,
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help="thickness of the knifes in mm. Use 0 for use with honey comb table.")
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self.argparser.add_argument(
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"--beamwidth", action="store", type=float, default=32.,
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help="width of the (aluminium) profile connecting the parts")
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self.argparser.add_argument(
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"--beamheight", action="store", type=float, default=7.1,
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help="height of the (aluminium) profile connecting the parts")
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def mainPlate(self):
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# Motor block outer side
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t = self.thickness
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d = self.diameter
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a = self.axle
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bw, bh = self.beamwidth, self.beamheight
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hh = 0.5 * d + bh + 2 # hole height
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self.hole(1.0 * d, hh, a/2.)
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#self.hole(1.0 * d, hh, d/2.)
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self.hole(2.0 * d + 5, hh, a/2.)
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#self.hole(2.0 * d + 5, hh, d/2.)
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# Main beam
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self.rectangularHole(1.5*d+2.5, 0.5*bh, bw, bh)
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def frontPlate(self):
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# Motor block inner side with motor mount
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t = self.thickness
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d = self.diameter
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a = self.axle
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bw, bh = self.beamwidth, self.beamheight
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hh = 0.5 * d + bh + 2 # hole height
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self.hole(1.0 * d, hh, a/2.)
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#self.hole(1.0 * d, hh, d/2.)
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self.hole(2.0 * d + 5, hh, a/2.)
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#self.hole(2.0 * d + 5, hh, d/2.)
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# Main beam
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self.rectangularHole(1.5 * d+2.5, 0.5 * bh, bw, bh)
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# Motor
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mx = 2.7 * d + 20
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self.rectangularHole(mx, hh, 36 + 20, 36, r=36 / 2.0)
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for x in (-1, 1):
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for y in (-1,1):
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self.rectangularHole(mx+x * 25, hh + y * 25, 20, 4, r=2)
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def link(self, x, y, a, middleHole=False, move=None):
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t = self.thickness
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overallwidth = x + y
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overallheight = y
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ra = a / 2.0
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if self.move(overallwidth, overallheight, move, before=True):
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return
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self.moveTo(y / 2.0, 0)
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self.hole(0, y / 2., ra)
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self.hole(x, y / 2., ra)
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if middleHole:
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self.hole(x / 2., y / 2., ra)
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self.edge(10)
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self.edges["F"](60)
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self.polyline(x - 70, (180, y / 2.), x, (180, y / 2.))
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self.move(overallwidth, overallheight, move)
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def holderBaseCB(self):
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bw, bh = self.beamwidth, self.beamheight
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self.hole(20, self.hh - 10, self.a / 2)
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self.rectangularHole(self.hl - 70, self.hh - 10, 110, self.a, r=self.a / 2)
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self.rectangularHole(self.hl / 2, 0.5 * bh, bw, bh)
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def holderTopCB(self):
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self.fingerHolesAt(0, 30 - 0.5 * self.thickness, self.hl, 0)
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d = self.diameter / 2.0 + 1
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# XXX
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y = -0.5 * self.diameter + self.th + self.hh - self.beamheight - 2.
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self.hole(self.hl / 2 + d, y, self.axle / 2.0)
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self.hole(self.hl / 2 - d, y, self.axle / 2.0)
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self.hole(self.hl / 2 + d, y, self.diameter / 2.0)
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self.hole(self.hl / 2 - d, y, self.diameter / 2.0)
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def render(self):
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# adjust to the variables you want in the local scope
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t = self.thickness
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d = self.diameter
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a = self.a = self.axle
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bw, bh = self.beamwidth, self.beamheight
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# self.spacing = 0.1 * t
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# Change settings of default edges if needed. E.g.:
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self.edges["f"].settings.setValues(self.thickness, space=2, finger=2,
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surroundingspaces=1)
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if self.knifethickness:
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self.addPart(HangerEdge(self, self.knifethickness))
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else:
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self.edges["H"] = self.edges["F"]
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# Holder
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hw = self.hw = 70.
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hh = self.hh = 35. + bh
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hl = self.hl = 240
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# Base
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self.rectangularWall(hl, hh, edges="hfef", callback=[self.holderBaseCB, None,
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lambda: self.rectangularHole(hl / 2 + 50, hh - t / 2 - 1,
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60, t + 2)], move="up")
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self.rectangularWall(hl, hh, edges="hfef", callback=[self.holderBaseCB], move="up")
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self.rectangularWall(hl, hw, edges="ffff", callback=[lambda: self.hole(hl / 2 - 16 - 20, 25, 5)], move="up")
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with self.saved_context():
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self.rectangularWall(hw, hh, edges="hFeF", callback=[
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lambda: self.hole(hw / 2, hh - 20, 4)],move="right")
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self.rectangularWall(hw, hh, edges="hFeF", move="right")
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# Top
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th = self.th = 30
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# sides
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self.rectangularWall(hw + 20, th, edges="fFeF", move="right",
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callback=[lambda: self.fingerHolesAt(20 - 0.5 * t, 0, th)])
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self.rectangularWall(hw + 20, th, edges="fFeF", move="right",
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callback=[lambda: self.fingerHolesAt(20 - 0.5 * t, 0, th)])
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self.rectangularWall(hw, hh, edges="hFeF", move="up only")
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outset = OutsetEdge(self, None)
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roller2 = RollerEdge2(self, None)
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self.rectangularWall(hl, th, edges=[roller2, "f", "e", "f"], callback=[
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lambda: self.hole(20, 15, a / 2), None, lambda: self.rectangularHole(50, th - 15, 70, a, r=a / 2)],
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move="up")
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self.rectangularWall(hl, th, edges=[roller2, "f", "e", "f"], callback=[
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lambda: self.hole(20, 15, a / 2), None, lambda: self.rectangularHole(50, th - 15 - t, 70, a, r=a / 2)],
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move="up")
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self.rectangularWall(hl, th, edges=[roller2, "f", RollerEdge(self, None), "f"], callback=[
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self.holderTopCB], move="up")
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self.rectangularWall(hl, 20 - t, edges="feee", move="up")
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tl = 70
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self.rectangularWall(tl, hw + 20, edges="FeFF", move="right",
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callback=[None, lambda: self.fingerHolesAt(20 - 0.5 * t, 0, tl)])
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self.rectangularWall(tl, hw + 20, edges="FeFF", move="",
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callback=[None, lambda: self.fingerHolesAt(20 - 0.5 * t, 0, tl)])
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self.rectangularWall(tl, hw + 20, edges="FeFF", move="left up only",
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callback=[None, lambda: self.fingerHolesAt(20 - 0.5 * t, 0, tl)])
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# Links
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self.link(hl - 40, 25, a, True, move="up")
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self.link(hl - 40, 25, a, True, move="up")
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self.link(hl - 40, 25, a, True, move="up")
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self.link(hl - 40, 25, a, True, move="up")
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with self.saved_context():
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self.rectangularWall(hw - 2 * t - 2, 60, edges="efef", move="right")
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self.rectangularWall(hw - 4 * t - 4, 60, edges="efef", move="right")
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# Spindel auxiliaries
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self.parts.waivyKnob(50, callback=lambda: self.nutHole("M8"), move="right")
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self.parts.waivyKnob(50, callback=lambda: self.nutHole("M8"), move="right")
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self.rectangularWall(hw - 2 * t - 4, 60, edges="efef", move="up only")
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with self.saved_context():
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slot = edges.SlottedEdge(self, [(30 - t) / 2, (30 - t) / 2], slots=15)
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self.rectangularWall(30, 30, edges=["e", "e", slot, "e"],
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callback=[lambda: self.hole(7, 23, self.axle / 2)], move="right")
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self.rectangularWall(30, 30, edges=["e", "e", slot, "e"],
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callback=[lambda: self.hole(7, 23, self.axle / 2)], move="right")
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leftover = (hw - 6 * t - 6 - 20) / 2.0
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slot = edges.SlottedEdge(self, [leftover, 20, leftover], slots=15)
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self.rectangularWall(hw - 4 * t - 6, 30, edges=[slot, "e", "e", "e"],
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callback=[lambda: self.hole((hw - 4 * t - 6) / 2., 15, 4)], move="right")
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for i in range(3):
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self.rectangularWall(20, 30,
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callback=[lambda: self.nutHole("M8", 10, 15)], move="right")
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self.rectangularWall(20, 30,
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callback=[lambda: self.hole(10, 15, 4)], move="right")
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self.rectangularWall(30, 30, move="up only")
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self.h = h = bh + 2 + 1.0 * d # height of outer pieces
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# Other side
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if self.knifethickness:
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ow = 10
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self.rectangularWall(3.6 * d, h, edges="hfFf", callback=[
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lambda:self.rectangularHole(1.8 * d, 0.5 * bh, bw, bh)],
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move="up")
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self.rectangularWall(3.6 * d, h, edges="hfFf", callback=[
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lambda:self.rectangularHole(1.8 * d, 0.5 * bh, bw, bh)],
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move="up")
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self.rectangularWall(3.6 * d, ow, edges="ffff", move="up")
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self.rectangularWall(3.6 * d, ow, edges="ffff", move="up")
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with self.saved_context():
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self.rectangularWall(ow, h, edges="hFFH", move="right")
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self.rectangularWall(ow, h, edges="hFFH", move="right")
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self.rectangularWall(ow, h, edges="hFFH", move="up only")
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# Motor block
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mw = 40
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self.rectangularWall(3.6 * d, h, edges=["h", "f", MotorEdge(self, None),"f"], callback=[self.mainPlate], move="up")
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self.rectangularWall(3.6 * d, h, edges=["h", "f", MotorEdge(self, None),"f"], callback=[self.frontPlate], move="up")
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self.rectangularWall(3.6 * d, mw, edges="ffff", move="up")
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with self.saved_context():
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self.rectangularWall(mw, h, edges="hFeH", move="right")
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self.rectangularWall(mw, h, edges="hFeH", move="right")
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self.pulley(88, "GT2_2mm", r_axle=a / 2.0, move="right")
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self.pulley(88, "GT2_2mm", r_axle=a / 2.0, move="right")
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self.rectangularWall(mw, h, edges="hFeH", move="up only")
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self.axle = 19
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for i in range(3):
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self.parts.disc(self.diameter - 2 * self.rubberthickness,
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hole=self.axle, move="right")
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self.parts.disc(self.diameter - 2 * self.rubberthickness,
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hole=self.axle, move="up right")
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for i in range(3):
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self.parts.disc(self.diameter - 2 * self.rubberthickness,
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hole=self.axle, move="left")
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self.parts.disc(self.diameter - 2 * self.rubberthickness,
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hole=self.axle, move="left up")
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for i in range(3):
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self.parts.disc(self.diameter - 2 * self.rubberthickness + 4,
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hole=self.axle, move="right")
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self.parts.disc(self.diameter - 2 * self.rubberthickness + 4,
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hole=self.axle, move="right up")
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