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This commit is contained in:
sliptonic
2022-02-23 09:07:26 -06:00
committed by mlampert
parent 79779ac96f
commit 228fce273b
3 changed files with 343 additions and 211 deletions
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185
src/Mod/Path/PathScripts/PathThreadMilling.py
View File

@@ -72,6 +72,7 @@ def threadRadii(internal, majorDia, minorDia, toolDia, toolCrest):
toolTip = innerTip - toolCrest * SQRT_3_DIVIDED_BY_2
return ((majorDia + toolDia) / 2.0, toolTip + toolDia / 2.0)
def threadPasses(count, radii, internal, majorDia, minorDia, toolDia, toolCrest):
PathLog.track(count, radii, internal, majorDia, minorDia, toolDia, toolCrest)
# the logic goes as follows, total area to be removed:
@@ -98,23 +99,29 @@ def threadPasses(count, radii, internal, majorDia, minorDia, toolDia, toolCrest)
def elevatorRadius(obj, center, internal, tool):
'''elevatorLocation(obj, center, internal, tool) ... return suitable location for the tool elevator'''
"""elevatorLocation(obj, center, internal, tool) ... return suitable location for the tool elevator"""
if internal:
dy = float(obj.MinorDiameter - tool.Diameter) / 2 - 1
if dy < 0:
if (obj.MinorDiameter < tool.Diameter):
PathLog.error("The selected tool is too big (d={}) for milling a thread with minor diameter D={}".format(tool.Diameter, obj.MinorDiameter))
if obj.MinorDiameter < tool.Diameter:
PathLog.error(
"The selected tool is too big (d={}) for milling a thread with minor diameter D={}".format(
tool.Diameter, obj.MinorDiameter
)
)
dy = 0
else:
dy = float(obj.MajorDiameter + tool.Diameter) / 2 + 1
return dy
def comment(path, msg):
if False:
path.append(Path.Command("(------- {} -------)".format(msg)))
class _Thread(object):
"""Helper class for dealing with different thread types"""
@@ -154,9 +161,9 @@ class _Thread(object):
def isUp(self):
"""isUp() ... returns True if the thread goes from the bottom up"""
return self.pitch > 0
def g4Opposite(self):
return 'G2' if self.isG3() else 'G3'
return "G2" if self.isG3() else "G3"
def g4LeadInOut(self):
if self.internal:
@@ -166,7 +173,10 @@ class _Thread(object):
def g4Start2Elevator(self):
return self.g4Opposite()
def threadCommands(center, cmd, zStart, zFinal, pitch, radius, leadInOut, elevator, start):
def threadCommands(
center, cmd, zStart, zFinal, pitch, radius, leadInOut, elevator, start
):
"""threadCommands(center, cmd, zStart, zFinal, pitch, radius) ... returns the g-code to mill the given internal thread"""
thread = _Thread(cmd, zStart, zFinal, pitch, radius > elevator)
@@ -178,20 +188,41 @@ def threadCommands(center, cmd, zStart, zFinal, pitch, radius, leadInOut, elevat
# into position first, and then drop to the start height. If there is any material in the way this
# op hasn't been setup properly.
if leadInOut:
comment(path, 'lead-in')
comment(path, "lead-in")
if start is None:
path.append(Path.Command("G0", {"X": center.x, "Y": center.y + elevator}))
path.append(Path.Command("G0", {"Z": thread.zStart}))
else:
path.append(Path.Command(thread.g4Start2Elevator(), {"X": center.x, "Y": center.y + elevator, "Z" : thread.zStart, "I": (center.x - start.x) / 2, "J": (center.y + elevator - start.y) / 2, "K" : (thread.zStart - start.z) / 2}))
path.append(Path.Command(thread.g4LeadInOut(), {"Y": yMax, "J": (yMax - (center.y + elevator)) / 2}))
comment(path, 'lead-in')
path.append(
Path.Command(
thread.g4Start2Elevator(),
{
"X": center.x,
"Y": center.y + elevator,
"Z": thread.zStart,
"I": (center.x - start.x) / 2,
"J": (center.y + elevator - start.y) / 2,
"K": (thread.zStart - start.z) / 2,
},
)
)
path.append(
Path.Command(
thread.g4LeadInOut(),
{"Y": yMax, "J": (yMax - (center.y + elevator)) / 2},
)
)
comment(path, "lead-in")
else:
if start is None:
path.append(Path.Command("G0", {"X": center.x, "Y": center.y + elevator}))
path.append(Path.Command("G0", {"Z": thread.zStart}))
else:
path.append(Path.Command("G0", {"X": center.x, "Y": center.y + elevator, "Z": thread.zStart}))
path.append(
Path.Command(
"G0", {"X": center.x, "Y": center.y + elevator, "Z": thread.zStart}
)
)
path.append(Path.Command("G1", {"Y": yMax}))
z = thread.zStart
@@ -219,38 +250,39 @@ def threadCommands(center, cmd, zStart, zFinal, pitch, radius, leadInOut, elevat
dx = math.sin(k * math.pi)
y = thread.adjustY(center.y, r * dy)
x = thread.adjustX(center.x, r * dx)
comment(path, 'finish-thread')
comment(path, "finish-thread")
path.append(
Path.Command(thread.cmd, {"X": x, "Y": y, "Z": thread.zFinal, "J": r})
)
comment(path, 'finish-thread')
comment(path, "finish-thread")
a = math.atan2(y - center.y, x - center.x)
dx = math.cos(a) * (radius - elevator)
dy = math.sin(a) * (radius - elevator)
PathLog.debug('')
PathLog.debug("")
PathLog.debug("a={}: dx={:.2f}, dy={:.2f}".format(a / math.pi * 180, dx, dy))
elevatorX = x - dx
elevatorY = y - dy
PathLog.debug("({:.2f}, {:.2f}) -> ({:.2f}, {:.2f})".format(x, y, elevatorX, elevatorY))
PathLog.debug(
"({:.2f}, {:.2f}) -> ({:.2f}, {:.2f})".format(x, y, elevatorX, elevatorY)
)
if leadInOut:
comment(path, 'lead-out')
comment(path, "lead-out")
path.append(
Path.Command(
thread.g4LeadInOut(),
{"X": elevatorX, "Y": elevatorY, "I": -dx / 2, "J": -dy / 2},
)
)
comment(path, 'lead-out')
comment(path, "lead-out")
else:
path.append(Path.Command("G1", {"X": elevatorX, "Y": elevatorY}))
return (path, FreeCAD.Vector(elevatorX, elevatorY, thread.zFinal))
class ObjectThreadMilling(PathCircularHoleBase.ObjectOp):
"""Proxy object for thread milling operation."""
@@ -271,14 +303,14 @@ class ObjectThreadMilling(PathCircularHoleBase.ObjectOp):
ThreadOrientations = [LeftHand, RightHand]
ThreadTypeData = {
ThreadTypeImperialExternal2A : 'imperial-external-2A.csv',
ThreadTypeImperialExternal3A : 'imperial-external-3A.csv',
ThreadTypeImperialInternal2B : 'imperial-internal-2B.csv',
ThreadTypeImperialInternal3B : 'imperial-internal-3B.csv',
ThreadTypeMetricExternal4G6G : 'metric-external-4G6G.csv',
ThreadTypeMetricExternal6G : 'metric-external-6G.csv',
ThreadTypeMetricInternal6H : 'metric-internal-6H.csv',
}
ThreadTypeImperialExternal2A: "imperial-external-2A.csv",
ThreadTypeImperialExternal3A: "imperial-external-3A.csv",
ThreadTypeImperialInternal2B: "imperial-internal-2B.csv",
ThreadTypeImperialInternal3B: "imperial-internal-3B.csv",
ThreadTypeMetricExternal4G6G: "metric-external-4G6G.csv",
ThreadTypeMetricExternal6G: "metric-external-6G.csv",
ThreadTypeMetricInternal6H: "metric-internal-6H.csv",
}
ThreadTypesExternal = [
ThreadTypeCustomExternal,
@@ -286,24 +318,24 @@ class ObjectThreadMilling(PathCircularHoleBase.ObjectOp):
ThreadTypeImperialExternal3A,
ThreadTypeMetricExternal4G6G,
ThreadTypeMetricExternal6G,
]
]
ThreadTypesInternal = [
ThreadTypeCustomInternal,
ThreadTypeImperialInternal2B,
ThreadTypeImperialInternal3B,
ThreadTypeMetricInternal6H,
]
]
ThreadTypesImperial = [
ThreadTypeImperialExternal2A,
ThreadTypeImperialExternal3A,
ThreadTypeImperialInternal2B,
ThreadTypeImperialInternal3B,
]
]
ThreadTypesMetric = [
ThreadTypeMetricExternal4G6G,
ThreadTypeMetricExternal6G,
ThreadTypeMetricInternal6H,
]
]
ThreadTypes = ThreadTypesInternal + ThreadTypesExternal
Directions = [DirectionClimb, DirectionConventional]
@@ -322,23 +354,62 @@ class ObjectThreadMilling(PathCircularHoleBase.ObjectOp):
# Enumeration lists for App::PropertyEnumeration properties
enums = {
"ThreadType": [
(translate("Path_ThreadMilling", "Custom External"), ObjectThreadMilling.ThreadTypeCustomExternal),
(translate("Path_ThreadMilling", "Custom Internal"), ObjectThreadMilling.ThreadTypeCustomInternal),
(translate("Path_ThreadMilling", "Imperial External (2A)"), ObjectThreadMilling.ThreadTypeImperialExternal2A),
(translate("Path_ThreadMilling", "Imperial External (3A)"), ObjectThreadMilling.ThreadTypeImperialExternal3A),
(translate("Path_ThreadMilling", "Imperial Internal (2B)"), ObjectThreadMilling.ThreadTypeImperialInternal2B),
(translate("Path_ThreadMilling", "Imperial Internal (3B)"), ObjectThreadMilling.ThreadTypeImperialInternal3B),
(translate("Path_ThreadMilling", "Metric External (4G6G)"), ObjectThreadMilling.ThreadTypeMetricExternal4G6G),
(translate("Path_ThreadMilling", "Metric External (6G)"), ObjectThreadMilling.ThreadTypeMetricExternal6G),
(translate("Path_ThreadMilling", "Metric Internal (6H)"), ObjectThreadMilling.ThreadTypeMetricInternal6H),
(
translate("Path_ThreadMilling", "Custom External"),
ObjectThreadMilling.ThreadTypeCustomExternal,
),
(
translate("Path_ThreadMilling", "Custom Internal"),
ObjectThreadMilling.ThreadTypeCustomInternal,
),
(
translate("Path_ThreadMilling", "Imperial External (2A)"),
ObjectThreadMilling.ThreadTypeImperialExternal2A,
),
(
translate("Path_ThreadMilling", "Imperial External (3A)"),
ObjectThreadMilling.ThreadTypeImperialExternal3A,
),
(
translate("Path_ThreadMilling", "Imperial Internal (2B)"),
ObjectThreadMilling.ThreadTypeImperialInternal2B,
),
(
translate("Path_ThreadMilling", "Imperial Internal (3B)"),
ObjectThreadMilling.ThreadTypeImperialInternal3B,
),
(
translate("Path_ThreadMilling", "Metric External (4G6G)"),
ObjectThreadMilling.ThreadTypeMetricExternal4G6G,
),
(
translate("Path_ThreadMilling", "Metric External (6G)"),
ObjectThreadMilling.ThreadTypeMetricExternal6G,
),
(
translate("Path_ThreadMilling", "Metric Internal (6H)"),
ObjectThreadMilling.ThreadTypeMetricInternal6H,
),
],
"ThreadOrientation": [
(translate("Path_ThreadMilling", "LeftHand"), ObjectThreadMilling.LeftHand),
(translate("Path_ThreadMilling", "RightHand"), ObjectThreadMilling.RightHand),
(
translate("Path_ThreadMilling", "LeftHand"),
ObjectThreadMilling.LeftHand,
),
(
translate("Path_ThreadMilling", "RightHand"),
ObjectThreadMilling.RightHand,
),
],
"Direction": [
(translate("Path_ThreadMilling", "Climb"), ObjectThreadMilling.DirectionClimb),
(translate("Path_ThreadMilling", "Conventional"), ObjectThreadMilling.DirectionConventional),
(
translate("Path_ThreadMilling", "Climb"),
ObjectThreadMilling.DirectionClimb,
),
(
translate("Path_ThreadMilling", "Conventional"),
ObjectThreadMilling.DirectionConventional,
),
],
}
@@ -478,9 +549,9 @@ class ObjectThreadMilling(PathCircularHoleBase.ObjectOp):
return (cmd, zbegin, zend)
# need to reverse direction for external threads
if cmd == 'G2':
return ('G3', zbegin, zend)
return ('G2', zbegin, zend)
if cmd == "G2":
return ("G3", zbegin, zend)
return ("G2", zbegin, zend)
def threadPassRadii(self, obj):
PathLog.track(obj.Label)
@@ -498,7 +569,9 @@ class ObjectThreadMilling(PathCircularHoleBase.ObjectOp):
PathLog.track(obj.Label, loc, gcode, zStart, zFinal, pitch)
elevator = elevatorRadius(obj, loc, self._isThreadInternal(obj), self.tool)
move2clearance = Path.Command("G0", {"Z": obj.ClearanceHeight.Value, "F": self.vertRapid})
move2clearance = Path.Command(
"G0", {"Z": obj.ClearanceHeight.Value, "F": self.vertRapid}
)
self.commandlist.append(move2clearance)
start = None
@@ -511,13 +584,27 @@ class ObjectThreadMilling(PathCircularHoleBase.ObjectOp):
float(self.tool.Diameter),
float(self.tool.Crest),
):
if not start is None and not self._isThreadInternal(obj) and not obj.LeadInOut:
if (
not start is None
and not self._isThreadInternal(obj)
and not obj.LeadInOut
):
# external thread without lead in/out have to go up and over
# in other words we need a move to clearance and not take any
# shortcuts when moving to the elevator position
self.commandlist.append(move2clearance)
start = None
commands, start = threadCommands(loc, gcode, zStart, zFinal, pitch, radius, obj.LeadInOut, elevator, start)
commands, start = threadCommands(
loc,
gcode,
zStart,
zFinal,
pitch,
radius,
obj.LeadInOut,
elevator,
start,
)
for cmd in commands:
p = cmd.Parameters

29
src/Mod/Path/PathScripts/PathThreadMillingGui.py
View File

@@ -48,6 +48,7 @@ else:
translate = FreeCAD.Qt.translate
def fillThreads(form, dataFile, defaultSelect):
form.threadName.blockSignals(True)
select = form.threadName.currentText()
@@ -58,7 +59,7 @@ def fillThreads(form, dataFile, defaultSelect):
) as fp:
reader = csv.DictReader(fp)
for row in reader:
form.threadName.addItem(row['name'], row)
form.threadName.addItem(row["name"], row)
if select:
form.threadName.setCurrentText(select)
elif defaultSelect:
@@ -138,10 +139,10 @@ class TaskPanelOpPage(PathCircularHoleBaseGui.TaskPanelOpPage):
self._updateFromThreadType()
def _isThreadCustom(self):
return (
self.form.threadType.currentData()
in [PathThreadMilling.ObjectThreadMilling.ThreadTypeCustomInternal, PathThreadMilling.ObjectThreadMilling.ThreadTypeCustomExternal]
)
return self.form.threadType.currentData() in [
PathThreadMilling.ObjectThreadMilling.ThreadTypeCustomInternal,
PathThreadMilling.ObjectThreadMilling.ThreadTypeCustomExternal,
]
def _isThreadImperial(self):
return (
@@ -156,10 +157,16 @@ class TaskPanelOpPage(PathCircularHoleBaseGui.TaskPanelOpPage):
)
def _isThreadInternal(self):
return self.form.threadType.currentData() in PathThreadMilling.ObjectThreadMilling.ThreadTypesInternal
return (
self.form.threadType.currentData()
in PathThreadMilling.ObjectThreadMilling.ThreadTypesInternal
)
def _isThreadExternal(self):
return self.form.threadType.currentData() in PathThreadMilling.ObjectThreadMilling.ThreadTypesExternal
return (
self.form.threadType.currentData()
in PathThreadMilling.ObjectThreadMilling.ThreadTypesExternal
)
def _updateFromThreadType(self):
@@ -186,7 +193,13 @@ class TaskPanelOpPage(PathCircularHoleBaseGui.TaskPanelOpPage):
self.form.threadTPI.setEnabled(True)
self.form.threadTPILabel.setEnabled(True)
self.pitch.updateSpinBox(0)
fillThreads(self.form, PathThreadMilling.ObjectThreadMilling.ThreadTypeData[self.form.threadType.currentData()], self.obj.ThreadName)
fillThreads(
self.form,
PathThreadMilling.ObjectThreadMilling.ThreadTypeData[
self.form.threadType.currentData()
],
self.obj.ThreadName,
)
self._updateFromThreadName()
def _updateFromThreadName(self):

340
src/Mod/Path/PathTests/TestPathThreadMilling.py
View File

@@ -47,226 +47,258 @@ class TestPathThreadMilling(PathTestBase):
def test00(self):
"""Verify internal radii."""
self.assertRadii(PathThreadMilling.radiiInternal(20, 18, 2, 0), (8, 9.2))
self.assertRadii(PathThreadMilling.radiiInternal(20, 19, 2, 0), (8.5, 9.1))
self.assertRadii(PathThreadMilling.threadRadii(True, 20, 18, 2, 0), (8, 9.2))
self.assertRadii(PathThreadMilling.threadRadii(True, 20, 19, 2, 0), (8.5, 9.1))
def test01(self):
"""Verify internal radii with tool crest."""
self.assertRadii(PathThreadMilling.threadRadii(True, 20, 18, 2, 0.1), (8, 9.113397))
self.assertRadii(
PathThreadMilling.threadRadii(True, 20, 18, 2, 0.1), (8, 9.113397)
)
def test10(self):
'''Verify internal thread passes.'''
self.assertList(PathThreadMilling.threadPasses(1, radii, True, 10, 9, 0, 0), [10])
self.assertList(PathThreadMilling.threadPasses(2, radii, True, 10, 9, 0, 0), [9.707107, 10])
self.assertList(PathThreadMilling.threadPasses(5, radii, True, 10, 9, 0, 0), [9.447214, 9.632456, 9.774597, 9.894427, 10])
"""Verify internal thread passes."""
self.assertList(
PathThreadMilling.threadPasses(1, radii, True, 10, 9, 0, 0), [10]
)
self.assertList(
PathThreadMilling.threadPasses(2, radii, True, 10, 9, 0, 0), [9.707107, 10]
)
self.assertList(
PathThreadMilling.threadPasses(5, radii, True, 10, 9, 0, 0),
[9.447214, 9.632456, 9.774597, 9.894427, 10],
)
def test20(self):
'''Verify external radii.'''
self.assertRadii(PathThreadMilling.threadRadii(False, 20, 18, 2, 0), (11, 9.6))
"""Verify external radii."""
self.assertRadii(PathThreadMilling.threadRadii(False, 20, 18, 2, 0), (11, 9.6))
self.assertRadii(PathThreadMilling.threadRadii(False, 20, 19, 2, 0), (11, 10.3))
def test21(self):
'''Verify external radii with tool crest.'''
self.assertRadii(PathThreadMilling.threadRadii(False, 20, 18, 2, 0.1), (11, 9.513397))
"""Verify external radii with tool crest."""
self.assertRadii(
PathThreadMilling.threadRadii(False, 20, 18, 2, 0.1), (11, 9.513397)
)
def test30(self):
'''Verify external thread passes.'''
self.assertList(PathThreadMilling.threadPasses(1, radii, False, 10, 9, 0, 0), [9])
self.assertList(PathThreadMilling.threadPasses(2, radii, False, 10, 9, 0, 0), [9.292893, 9])
self.assertList(PathThreadMilling.threadPasses(5, radii, False, 10, 9, 0, 0), [9.552786, 9.367544, 9.225403, 9.105573, 9])
"""Verify external thread passes."""
self.assertList(
PathThreadMilling.threadPasses(1, radii, False, 10, 9, 0, 0), [9]
)
self.assertList(
PathThreadMilling.threadPasses(2, radii, False, 10, 9, 0, 0), [9.292893, 9]
)
self.assertList(
PathThreadMilling.threadPasses(5, radii, False, 10, 9, 0, 0),
[9.552786, 9.367544, 9.225403, 9.105573, 9],
)
def test40(self):
'''Verify thread commands for a single thread'''
"""Verify thread commands for a single thread"""
center = FreeCAD.Vector()
cmd = 'G2'
zStart = 0
zFinal = 1
pitch = 1
radius = 3
leadInOut = False
elevator = 2
center = FreeCAD.Vector()
cmd = "G2"
zStart = 0
zFinal = 1
pitch = 1
radius = 3
leadInOut = False
elevator = 2
path, start = PathThreadMilling.threadCommands(center, cmd, zStart, zFinal, pitch, radius, leadInOut, elevator, None)
path, start = PathThreadMilling.threadCommands(
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',
]
"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 test41(self):
'''Verify thread commands for a thwo threads'''
"""Verify thread commands for a thwo threads"""
center = FreeCAD.Vector()
cmd = 'G2'
zStart = 0
zFinal = 2
pitch = 1
radius = 3
leadInOut = False
elevator = 2
center = FreeCAD.Vector()
cmd = "G2"
zStart = 0
zFinal = 2
pitch = 1
radius = 3
leadInOut = False
elevator = 2
path, start = PathThreadMilling.threadCommands(center, cmd, zStart, zFinal, pitch, radius, leadInOut, elevator, None)
path, start = PathThreadMilling.threadCommands(
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',
]
"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 test42(self):
'''Verify thread commands for a one and a half threads'''
"""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
center = FreeCAD.Vector()
cmd = "G2"
zStart = 0
zFinal = 1.5
pitch = 1
radius = 3
leadInOut = False
elevator = 2
path, start = PathThreadMilling.threadCommands(center, cmd, zStart, zFinal, pitch, radius, leadInOut, elevator, None)
path, start = PathThreadMilling.threadCommands(
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',
]
"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 test43(self):
'''Verify thread commands for a one and 3 quarter threads'''
"""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
center = FreeCAD.Vector()
cmd = "G2"
zStart = 0
zFinal = 1.75
pitch = 1
radius = 3
leadInOut = False
elevator = 2
path, start = PathThreadMilling.threadCommands(center, cmd, zStart, zFinal, pitch, radius, leadInOut, elevator, None)
path, start = PathThreadMilling.threadCommands(
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',
]
"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 test44(self):
'''Verify thread commands for a one and 3 quarter threads - CCW'''
"""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
center = FreeCAD.Vector()
cmd = "G3"
zStart = 0
zFinal = 1.75
pitch = 1
radius = 3
leadInOut = False
elevator = 2
path, start = PathThreadMilling.threadCommands(center, cmd, zStart, zFinal, pitch, radius, leadInOut, elevator, None)
path, start = PathThreadMilling.threadCommands(
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',
]
"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 test50(self):
'''Verify lead in/out commands for a single thread'''
"""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
center = FreeCAD.Vector()
cmd = "G2"
zStart = 0
zFinal = 1
pitch = 1
radius = 3
leadInOut = True
elevator = 2
path, start = PathThreadMilling.threadCommands(center, cmd, zStart, zFinal, pitch, radius, leadInOut, elevator, None)
path, start = PathThreadMilling.threadCommands(
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 -------)',
]
"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 test51(self):
'''Verify lead in/out commands for one and a half threads'''
"""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
center = FreeCAD.Vector()
cmd = "G2"
zStart = 0
zFinal = 1.5
pitch = 1
radius = 3
leadInOut = True
elevator = 2
path, start = PathThreadMilling.threadCommands(center, cmd, zStart, zFinal, pitch, radius, leadInOut, elevator, None)
path, start = PathThreadMilling.threadCommands(
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 -------)',
]
"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))