kindred/gears
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

add clearence to rack

Browse Source
This commit is contained in:
looooo
2020-02-03 09:50:11 +01:00
parent f77e2793ef
commit b2d8fa7fbf
1 changed files with 4 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
pygears/involute_tooth.py
View File

@@ -171,13 +171,14 @@ class InvoluteRack(object):
pressure_angle_t = arctan(tan(self.pressure_angle) / cos(self.beta))
m = self.m / cos(self.beta)
a = (2 + self.head) * m * tan(pressure_angle_t)
clearence = 0.25
a = (2 + self.head + clearence) * m * tan(pressure_angle_t)
b = (m * pi) / 4 - (1 + self.head) * m * tan(pressure_angle_t)
tooth = [
[-self.m, -a - b],
[-self.m * (1 + clearence), -a - b],
[self.m * (1 + self.head), -b],
[self.m * (1 + self.head), b],
[-self.m, a + b]
[-self.m * (1 + clearence), a + b]
]
teeth = [tooth]
trans = translation([0., m * pi, 0.])