246 lines
8.3 KiB
Python
246 lines
8.3 KiB
Python
# -*- coding: utf-8 -*-
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# ***************************************************************************
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# * Copyright (c) 2019 sliptonic <shopinthewoods@gmail.com> *
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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 Lesser General Public License (LGPL) *
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# * as published by the Free Software Foundation; either version 2 of *
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# * the License, or (at your option) any later version. *
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# * for detail see the LICENCE text file. *
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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 Library General Public License for more details. *
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# * *
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# * You should have received a copy of the GNU Library General Public *
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# * License along with this program; if not, write to the Free Software *
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# * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
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# * USA *
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# * *
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# ***************************************************************************
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import FreeCAD
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import Path.Base.Generator.threadmilling as threadmilling
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import math
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from CAMTests.PathTestUtils import PathTestBase
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def radii(internal, major, minor, toolDia, toolCrest):
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"""test radii function for simple testing"""
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return (minor, major)
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class TestPathThreadMillingGenerator(PathTestBase):
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"""Test thread milling generator."""
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def test00(self):
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"""Verify thread commands for a single thread"""
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center = FreeCAD.Vector()
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cmd = "G2"
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zStart = 0
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zFinal = 1
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pitch = 1
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radius = 3
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leadInOut = False
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elevator = 2
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path, start = threadmilling.generate(
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center, cmd, zStart, zFinal, pitch, radius, leadInOut, elevator, None
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)
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gcode = [
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"G0 X0.000000 Y2.000000",
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"G0 Z0.000000",
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"G1 Y3.000000",
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"G2 J-3.000000 Y-3.000000 Z0.500000",
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"G2 J3.000000 Y3.000000 Z1.000000",
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"G1 X0.000000 Y2.000000",
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]
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self.assertEqual([p.toGCode() for p in path], gcode)
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self.assertCoincide(start, FreeCAD.Vector(0, 2, zFinal))
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def test01(self):
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"""Verify thread commands for a thwo threads"""
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center = FreeCAD.Vector()
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cmd = "G2"
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zStart = 0
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zFinal = 2
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pitch = 1
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radius = 3
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leadInOut = False
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elevator = 2
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path, start = threadmilling.generate(
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center, cmd, zStart, zFinal, pitch, radius, leadInOut, elevator, None
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)
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gcode = [
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"G0 X0.000000 Y2.000000",
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"G0 Z0.000000",
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"G1 Y3.000000",
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"G2 J-3.000000 Y-3.000000 Z0.500000",
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"G2 J3.000000 Y3.000000 Z1.000000",
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"G2 J-3.000000 Y-3.000000 Z1.500000",
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"G2 J3.000000 Y3.000000 Z2.000000",
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"G1 X0.000000 Y2.000000",
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]
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self.assertEqual([p.toGCode() for p in path], gcode)
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self.assertCoincide(start, FreeCAD.Vector(0, 2, zFinal))
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def test02(self):
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"""Verify thread commands for a one and a half threads"""
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center = FreeCAD.Vector()
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cmd = "G2"
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zStart = 0
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zFinal = 1.5
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pitch = 1
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radius = 3
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leadInOut = False
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elevator = 2
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path, start = threadmilling.generate(
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center, cmd, zStart, zFinal, pitch, radius, leadInOut, elevator, None
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)
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gcode = [
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"G0 X0.000000 Y2.000000",
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"G0 Z0.000000",
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"G1 Y3.000000",
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"G2 J-3.000000 Y-3.000000 Z0.500000",
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"G2 J3.000000 Y3.000000 Z1.000000",
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"G2 J-3.000000 Y-3.000000 Z1.500000",
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"G1 X0.000000 Y-2.000000",
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]
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self.assertEqual([p.toGCode() for p in path], gcode)
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self.assertCoincide(start, FreeCAD.Vector(0, -2, zFinal))
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def test03(self):
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"""Verify thread commands for a one and 3 quarter threads"""
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center = FreeCAD.Vector()
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cmd = "G2"
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zStart = 0
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zFinal = 1.75
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pitch = 1
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radius = 3
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leadInOut = False
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elevator = 2
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path, start = threadmilling.generate(
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center, cmd, zStart, zFinal, pitch, radius, leadInOut, elevator, None
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)
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gcode = [
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"G0 X0.000000 Y2.000000",
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"G0 Z0.000000",
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"G1 Y3.000000",
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"G2 J-3.000000 Y-3.000000 Z0.500000",
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"G2 J3.000000 Y3.000000 Z1.000000",
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"G2 J-3.000000 Y-3.000000 Z1.500000",
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#'(------- finish-thread -------)',
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"G2 J3.000000 X-3.000000 Y0.000000 Z1.750000",
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#'(------- finish-thread -------)',
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"G1 X-2.000000 Y0.000000",
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]
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self.assertEqual([p.toGCode() for p in path], gcode)
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self.assertCoincide(start, FreeCAD.Vector(-2, 0, zFinal))
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def test04(self):
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"""Verify thread commands for a one and 3 quarter threads - CCW"""
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center = FreeCAD.Vector()
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cmd = "G3"
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zStart = 0
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zFinal = 1.75
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pitch = 1
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radius = 3
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leadInOut = False
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elevator = 2
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path, start = threadmilling.generate(
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center, cmd, zStart, zFinal, pitch, radius, leadInOut, elevator, None
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)
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gcode = [
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"G0 X0.000000 Y2.000000",
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"G0 Z0.000000",
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"G1 Y3.000000",
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"G3 J-3.000000 Y-3.000000 Z0.500000",
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"G3 J3.000000 Y3.000000 Z1.000000",
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"G3 J-3.000000 Y-3.000000 Z1.500000",
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#'(------- finish-thread -------)',
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"G3 J3.000000 X3.000000 Y0.000000 Z1.750000",
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#'(------- finish-thread -------)',
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"G1 X2.000000 Y0.000000",
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]
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self.assertEqual([p.toGCode() for p in path], gcode)
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self.assertCoincide(start, FreeCAD.Vector(2, 0, zFinal))
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def test10(self):
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"""Verify lead in/out commands for a single thread"""
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center = FreeCAD.Vector()
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cmd = "G2"
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zStart = 0
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zFinal = 1
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pitch = 1
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radius = 3
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leadInOut = True
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elevator = 2
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path, start = threadmilling.generate(
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center, cmd, zStart, zFinal, pitch, radius, leadInOut, elevator, None
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)
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gcode = [
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"G0 X0.000000 Y2.000000",
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"G0 Z0.000000",
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#'(------- lead-in -------)',
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"G2 J0.500000 Y3.000000",
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#'(------- lead-in -------)',
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"G2 J-3.000000 Y-3.000000 Z0.500000",
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"G2 J3.000000 Y3.000000 Z1.000000",
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#'(------- lead-out -------)',
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"G2 I0.000000 J-0.500000 X0.000000 Y2.000000",
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#'(------- lead-out -------)',
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]
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self.assertEqual([p.toGCode() for p in path], gcode)
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self.assertCoincide(start, FreeCAD.Vector(0, 2, zFinal))
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def test11(self):
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"""Verify lead in/out commands for one and a half threads"""
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center = FreeCAD.Vector()
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cmd = "G2"
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zStart = 0
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zFinal = 1.5
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pitch = 1
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radius = 3
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leadInOut = True
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elevator = 2
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path, start = threadmilling.generate(
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center, cmd, zStart, zFinal, pitch, radius, leadInOut, elevator, None
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)
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gcode = [
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"G0 X0.000000 Y2.000000",
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"G0 Z0.000000",
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#'(------- lead-in -------)',
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"G2 J0.500000 Y3.000000",
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#'(------- lead-in -------)',
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"G2 J-3.000000 Y-3.000000 Z0.500000",
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"G2 J3.000000 Y3.000000 Z1.000000",
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"G2 J-3.000000 Y-3.000000 Z1.500000",
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#'(------- lead-out -------)',
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"G2 I0.000000 J0.500000 X0.000000 Y-2.000000",
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#'(------- lead-out -------)',
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]
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self.assertEqual([p.toGCode() for p in path], gcode)
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self.assertCoincide(start, FreeCAD.Vector(0, -2, zFinal))
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