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add proto cycloide rack, fix icons-issue

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This commit is contained in:
looooo
2021-11-23 14:46:39 +01:00
parent fd363e2b84
commit 15f3f2410d
4 changed files with 117 additions and 11 deletions
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9
freecad/gears/commands.py
View File

@@ -19,7 +19,7 @@
import os
import FreeCAD
import FreeCADGui as Gui
from .features import ViewProviderGear, InvoluteGear, InternalInvoluteGear, InvoluteGearRack
from .features import ViewProviderGear, InvoluteGear, InternalInvoluteGear, InvoluteGearRack, CycloidGearRack
from .features import CycloidGear, BevelGear, CrownGear, WormGear, TimingGear, LanternGear, HypoCycloidGear
@@ -97,6 +97,13 @@ class CreateInvoluteRack(BaseCommand):
MenuText = 'Involute rack'
ToolTip = 'Create an Involute rack'
class CreateCycloidRack(BaseCommand):
NAME = "Cycloidrack"
GEAR_FUNCTION = CycloidGearRack
Pixmap = os.path.join(BaseCommand.ICONDIR, 'cycloidrack.svg')
MenuText = 'Cycloid rack'
ToolTip = 'Create an Cycloid rack'
class CreateCrownGear(BaseCommand):
NAME = "crowngear"

92
freecad/gears/features.py
View File

@@ -23,7 +23,7 @@ import numpy as np
import math
from pygears import __version__
from pygears.involute_tooth import InvoluteTooth, InvoluteRack
from pygears.cycloid_tooth import CycloidTooth
from pygears.cycloid_tooth import CycloidTooth, CycloidRack
from pygears.bevel_tooth import BevelTooth
from pygears._functions import rotation3D, rotation, reflection, arc_from_points_and_center
@@ -66,10 +66,10 @@ class ViewProviderGear(object):
return self.icon_fn
def __getstate__(self):
return None
return {"icon_fn": self.icon_fn}
def __setstate__(self, state):
return None
self.icon_fn = state["icon_fn"]
class BaseGear(object):
def __init__(self, obj):
@@ -465,6 +465,8 @@ class InvoluteGearRack(BaseGear):
"teeth", "base", "number of teeth")
obj.addProperty(
"App::PropertyLength", "height", "base", "height")
obj.addProperty(
"App::PropertyLength", "module", "base", "module")
obj.addProperty(
"App::PropertyLength", "thickness", "base", "thickness")
obj.addProperty(
@@ -513,8 +515,6 @@ class InvoluteGearRack(BaseGear):
"App::PropertyFloat", "clearance", "tolerance", "clearance * module = additional length of root")
def add_involute_properties(self, obj):
obj.addProperty(
"App::PropertyLength", "module", "involute", "module")
obj.addProperty(
"App::PropertyAngle", "pressure_angle", "involute", "pressure angle")
@@ -569,6 +569,80 @@ class InvoluteGearRack(BaseGear):
def __setstate__(self, state):
return None
class CycloidGearRack(BaseGear):
"""FreeCAD gear rack"""
def __init__(self, obj):
super(CycloidGearRack, self).__init__(obj)
self.involute_rack = CycloidRack()
obj.addProperty("App::PropertyInteger",
"teeth", "base", "number of teeth")
obj.addProperty(
"App::PropertyLength", "height", "base", "height")
obj.addProperty(
"App::PropertyLength", "thickness", "base", "thickness")
obj.addProperty(
"App::PropertyLength", "module", "involute", "module")
obj.addProperty(
"App::PropertyBool", "simplified", "precision", "if enabled the rack is drawn with a constant number of \
teeth to avoid topologic renaming.")
obj.addProperty("App::PropertyPythonObject", "rack", "base", "test")
self.add_helical_properties(obj)
self.add_computed_properties(obj)
self.add_tolerance_properties(obj)
self.add_cycloid_properties(obj)
obj.rack = self.involute_rack
obj.teeth = 15
obj.module = '1. mm'
obj.inner_diameter = 15
obj.outer_diameter= 15
obj.height = '5. mm'
obj.thickness = '5 mm'
obj.beta = '0. deg'
obj.clearance = 0.25
obj.head = 0.
obj.properties_from_tool = True
obj.add_endings = True
obj.simplified = False
self.obj = obj
obj.Proxy = self
def add_helical_properties(self, obj):
obj.addProperty(
"App::PropertyBool", "properties_from_tool", "helical", "if beta is given and properties_from_tool is enabled, \
gear parameters are internally recomputed for the rotated gear")
obj.addProperty(
"App::PropertyAngle", "beta", "helical", "beta ")
obj.addProperty(
"App::PropertyBool", "double_helix", "helical", "double helix")
def add_computed_properties(self, obj):
obj.addProperty("App::PropertyLength", "transverse_pitch",
"computed", "pitch in the transverse plane", 1)
obj.addProperty("App::PropertyBool", "add_endings", "base", "if enabled the total length of the rack is teeth x pitch, \
otherwise the rack starts with a tooth-flank")
def add_tolerance_properties(self, obj):
obj.addProperty(
"App::PropertyFloat", "head", "tolerance", "head * module = additional length of head")
obj.addProperty(
"App::PropertyFloat", "clearance", "tolerance", "clearance * module = additional length of root")
def add_cycloid_properties(self, obj):
obj.addProperty("App::PropertyFloat", "inner_diameter", "cycloid", "inner_diameter divided by module (hypocycloid)")
obj.addProperty("App::PropertyFloat", "outer_diameter", "cycloid", "outer_diameter divided by module (epicycloid)")
def generate_gear_shape(self, fp):
pass
def __getstate__(self):
return None
def __setstate__(self, state):
return None
class CrownGear(BaseGear):
def __init__(self, obj):
@@ -701,7 +775,7 @@ class CycloidGear(BaseGear):
self.add_helical_properties(obj)
self.add_fillet_properties(obj)
self.add_tolerance_properties(obj)
self.add_cycloide_properties(obj)
self.add_cycloid_properties(obj)
obj.gear = self.cycloid_tooth
obj.teeth = 15
obj.module = '1. mm'
@@ -731,9 +805,9 @@ class CycloidGear(BaseGear):
obj.addProperty("App::PropertyLength", "backlash", "tolerance", "backlash in mm")
obj.addProperty("App::PropertyFloat", "head", "tolerance", "head_value * modul_value = additional length of head")
def add_cycloide_properties(self, obj):
obj.addProperty("App::PropertyFloat", "inner_diameter", "cycloide", "inner_diameter divided by module (hypocycloid)")
obj.addProperty("App::PropertyFloat", "outer_diameter", "cycloide", "outer_diameter divided by module (epicycloid)")
def add_cycloid_properties(self, obj):
obj.addProperty("App::PropertyFloat", "inner_diameter", "cycloid", "inner_diameter divided by module (hypocycloid)")
obj.addProperty("App::PropertyFloat", "outer_diameter", "cycloid", "outer_diameter divided by module (epicycloid)")
def generate_gear_shape(self, fp):
fp.gear.m = fp.module.Value

4
freecad/gears/init_gui.py
View File

@@ -40,6 +40,7 @@ class GearWorkbench(Workbench):
"CreateInternalInvoluteGear",
"CreateInvoluteRack",
"CreateCycloidGear",
"CreateCycloidRack",
"CreateBevelGear",
"CreateCrownGear",
"CreateWormGear",
@@ -54,7 +55,7 @@ class GearWorkbench(Workbench):
from .commands import CreateCycloidGear, CreateInvoluteGear, CreateInternalInvoluteGear
from .commands import CreateBevelGear, CreateInvoluteRack, CreateCrownGear
from .commands import CreateWormGear, CreateTimingGear, CreateLanternGear
from .commands import CreateHypoCycloidGear
from .commands import CreateHypoCycloidGear, CreateCycloidRack
self.appendToolbar("Gear", self.commands)
self.appendMenu("Gear", self.commands)
@@ -62,6 +63,7 @@ class GearWorkbench(Workbench):
Gui.addCommand('CreateInvoluteGear', CreateInvoluteGear())
Gui.addCommand('CreateInternalInvoluteGear', CreateInternalInvoluteGear())
Gui.addCommand('CreateCycloidGear', CreateCycloidGear())
Gui.addCommand('CreateCycloidRack', CreateCycloidRack())
Gui.addCommand('CreateBevelGear', CreateBevelGear())
Gui.addCommand('CreateInvoluteRack', CreateInvoluteRack())
Gui.addCommand('CreateCrownGear', CreateCrownGear())

23
pygears/cycloid_tooth.py
View File

@@ -103,3 +103,26 @@ class CycloidTooth():
self.__init__(m=self.m, z=self.z, z1=self.z1, z2=self.z2,
clearance=self.clearance, backlash=self.backlash, head=self.head)
class CycloidRack(object):
def __init__(self, m=5, z=15, inner_diameter=15, outer_diameter=15, thickness=5, head=0, clearance=0.25,
properties_from_tool=False, add_endings=False, simplified=False):
self.thickness = thickness
self.m = m
self.z = z
self.head = head
self.clearance = clearance
self.properties_from_tool = properties_from_tool
self.add_endings = add_endings
self.simplified = simplified
self.inner_diameter = inner_diameter
self.outer_diameter = outer_diameter
def compute_properties(self):
pass
def _update(self):
pass
def points(self, num=10):
pass