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add head parameter for cycloide gear

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looooo
2021-06-11 22:04:58 +02:00
parent 3c9f6f0c6b
commit 9ddd493b82
2 changed files with 14 additions and 9 deletions
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16
freecad/gears/features.py
View File

@@ -490,9 +490,9 @@ class CycloidGear(BaseGear):
obj.addProperty(
"App::PropertyLength", "module", "gear_parameter", "module")
obj.addProperty(
"App::PropertyLength", "inner_diameter", "cycloid_parameter", "inner_diameter (hypocycloid)")
"App::PropertyFloat", "inner_diameter", "cycloid_parameter", "inner_diameter divided by module (hypocycloid)")
obj.addProperty(
"App::PropertyLength", "outer_diameter", "cycloid_parameter", "outer_diameter (epicycloid)")
"App::PropertyFloat", "outer_diameter", "cycloid_parameter", "outer_diameter divided by module (epicycloid)")
obj.addProperty(
"App::PropertyLength", "height", "gear_parameter", "height")
obj.addProperty(
@@ -504,28 +504,32 @@ class CycloidGear(BaseGear):
obj.addProperty("App::PropertyAngle", "beta", "gear_parameter", "beta")
obj.addProperty(
"App::PropertyLength", "backlash", "gear_parameter", "backlash in mm")
obj.addProperty(
"App::PropertyFloat", "head", "gear_parameter", "head_value * modul_value = additional length of head")
obj.addProperty("App::PropertyPythonObject", "gear",
"gear_parameter", "the python object")
obj.gear = self.cycloid_tooth
obj.teeth = 15
obj.module = '1. mm'
obj.inner_diameter = '5 mm'
obj.outer_diameter = '5 mm'
obj.inner_diameter = 7.5
obj.outer_diameter = 7.5
obj.beta = '0. deg'
obj.height = '5. mm'
obj.clearance = 0.25
obj.numpoints = 15
obj.backlash = '0.00 mm'
obj.double_helix = False
obj.head = 0
obj.Proxy = self
def execute(self, fp):
super(CycloidGear, self).execute(fp)
fp.gear.m = fp.module.Value
fp.gear.z = fp.teeth
fp.gear.z1 = fp.inner_diameter.Value
fp.gear.z2 = fp.outer_diameter.Value
fp.gear.z1 = fp.inner_diameter
fp.gear.z2 = fp.outer_diameter
fp.gear.clearance = fp.clearance
fp.gear.head = fp.head
fp.gear.backlash = fp.backlash.Value
fp.gear._update()
pts = fp.gear.points(num=fp.numpoints)

7
pygears/cycloid_tooth.py
View File

@@ -25,13 +25,14 @@ from ._functions import rotation, reflection
class CycloidTooth():
def __init__(self, z1=5, z2=5, z=14, m=5, clearance=0.12, backlash=0.00):
def __init__(self, z1=5, z2=5, z=14, m=5, clearance=0.12, backlash=0.00, head=0.0):
self.m = m
self.z = z
self.clearance = clearance
self.backlash = backlash
self.z1 = z1
self.z2 = z2
self.head = head
self._calc_gear_factors()
def _calc_gear_factors(self):
@@ -39,7 +40,7 @@ class CycloidTooth():
self.d2 = self.z2 * self.m
self.phi = self.m * pi
self.d = self.z * self.m
self.da = self.d + 2*self.m
self.da = self.d + 2*self.m + self.head * self.m
self.di = self.d - 2*self.m - self.clearance * self.m
self.phipart = 2 * pi / self.z
@@ -103,5 +104,5 @@ class CycloidTooth():
def _update(self):
self.__init__(m=self.m, z=self.z, z1=self.z1, z2=self.z2,
clearance=self.clearance, backlash=self.backlash)
clearance=self.clearance, backlash=self.backlash, head=self.head)