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