New generator: DinRailBox
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Florian Festi
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#!/usr/bin/env python3
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# Copyright (C) 2013-2020 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 DinRailEdge(edges.FingerHoleEdge):
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def __init__(self, boxes, settings, width=35.0, offset=0.0):
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super(DinRailEdge, self).__init__(boxes, settings)
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self.width = width
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self.offset = offset
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def startwidth(self):
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return 8 + self.settings.thickness
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def __call__(self, length, bedBolts=None, bedBoltSettings=None, **kw):
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with self.saved_context():
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self.fingerHoles(
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0, self.burn + 8 + self.settings.thickness / 2, length, 0,
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bedBolts=bedBolts, bedBoltSettings=bedBoltSettings)
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w = self.width
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o = self.offset
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l = length
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self.polyline((l-w)/2-o, 45, 2.75*2**.5, 90, 2.75*2**.5, -45, .5, -90,
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w+0.25,
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-90, 1, 30, 5*2*3**-.5, 60, (l-w)/2+o-3.25)
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class DinRailBox(Boxes):
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"""Box for DIN rail used in electrical junction boxes"""
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ui_group = "Box"
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def latch(self, l, move=None):
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t = self.thickness
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tw = l+3+6+t
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th = 8
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if self.move(tw, th, move, True):
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return
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self.moveTo(tw, th, 180)
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self.polyline(2, 90, 0, (-180, 1.5), 0, 90, l+1.2*t, 90,
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3, -90, 1, 30, 2*2*3**-.5, 90, 4.5*2*3**-.5, 60,
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4+1.25, 90, 4.5, -90, t+4, -90, 2, 90, l-.8*t-9, 90, 2, -90, 5+t, 90, 4, 90)
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self.move(tw, th, move)
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def __init__(self):
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Boxes.__init__(self)
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self.addSettingsArgs(edges.FingerJointSettings, surroundingspaces=.8)
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self.buildArgParser(x=70, y=90, h=60)
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# Add non default cli params if needed (see argparse std lib)
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self.argparser.add_argument(
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"--rail_width", action="store", type=float, default=35.,
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help="width of the rail (typically 35 or 15mm)")
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self.argparser.add_argument(
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"--rail_offset", action="store", type=float, default=0.,
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help="offset of the rail from the middle of the box (in mm)")
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def spring(self):
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t = self.thickness
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l = min(self.x/2-1.5*t, 50)
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self.moveTo(self.x/2-l, -6-t, 0)
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self.polyline(l+0.525*t, 90 , 6, 90 , 1.1*t, 90, 3, -90, l-0.525*t,
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180, l-0.525*t, -90, 1+0.1*t, 90, t-0.5, -90, 2)
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def lid_lip(self, l, move=None):
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t = self.thickness
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tw, th = l+2, t+8
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if self.move(tw, th, move, True):
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return
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self.moveTo(1, t)
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self.edges["f"](l)
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poly = [0, 90, 6, -60, 0, (120, 2*3**-.5), 0, 30, 2, 90, 5,
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(-180, .5), 5, 90]
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self.polyline(*(poly+[l-2*3]+list(reversed(poly))))
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self.move(tw, th, move)
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def lid_holes(self):
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t = self.thickness
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self.rectangularHole(0.55*t, 7, 1.1*t, 1.6)
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self.rectangularHole(self.x-0.55*t, 7, 1.1*t, 1.6)
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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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x, y, h = self.x, self.y, self.h
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w = self.rail_width
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o = self.rail_offset
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t = self.thickness
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# lid
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self.rectangularWall(x, y, "EEEE", callback=[
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lambda:self.fingerHolesAt(.55*t, .05*t, y-.1*t, 90), None,
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lambda:self.fingerHolesAt(.55*t, .05*t, y-.1*t, 90), None],
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move="right")
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self.lid_lip(y-.1*t, move="rotated right")
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self.lid_lip(y-.1*t, move="rotated right")
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# floor
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self.rectangularWall(x, y, "ffff",
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callback=[
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lambda:self.fingerHolesAt(0, (y-w)/2-0.5*t+o-9, x, 0)],move="right")
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# Change h edge to 8mm!
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self.edges["f"].settings.setValues(t, False, edge_width=8)
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dr = DinRailEdge(self, self.edges["f"].settings, w, o)
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self.rectangularWall(y, h, [dr, "F", "e", "F"],
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ignore_widths=[1, 6], move="rotated right")
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self.rectangularWall(y, h, [dr, "F", "e", "F"],
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ignore_widths=[1, 6], move="rotated mirror right")
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self.rectangularWall(x, h, ["h", "f", "e", "f"],
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callback=[None, None, self.lid_holes],
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ignore_widths=[1, 6], move="up")
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self.rectangularWall(x, h, ["h", "f", "e", "f"],
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ignore_widths=[1, 6], callback=[
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self.spring, None, self.lid_holes],
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move="up")
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self.rectangularWall(x, 8, "feee", callback=[
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lambda:self.rectangularHole(x/2, 2.05-0.5*t, t, t+4.1)], move="up")
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self.latch((y-w)/2+o, move="up")
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