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Add ears to the pipe joint

This commit is contained in:
Leni Aniva 2025-06-03 18:50:39 -07:00
parent 7ec2728a6c
commit 52b4e0b329
Signed by: aniva
GPG Key ID: D5F96287843E8DFB
1 changed files with 32 additions and 4 deletions
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36
nhf/touhou/yasaka_kanako/shimenawa.py
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@ -9,6 +9,14 @@ import math
from dataclasses import dataclass, field
import cadquery as Cq
NUT_COMMON = HexNut(
# FIXME: weigh
mass=0.0,
diam_thread=6.0,
pitch=1.0,
thickness=5.0,
width=9.89,
)
BOLT_COMMON = FlatHeadBolt(
# FIXME: weigh
mass=0.0,
@ -35,7 +43,7 @@ class Shimenawa(Model):
pipe_fitting_angle_span: float = 6.0
pipe_joint_length: float = 120.0
pipe_joint_outer_thickness: float = 8.0
pipe_joint_outer_thickness: float = 5.0
pipe_joint_inner_thickness: float = 4.0
pipe_joint_inner_angle_span: float = 120.0
@ -44,7 +52,7 @@ class Shimenawa(Model):
ear_dr: float = 6.0
ear_hole_diam: float = 10.0
ear_radius: float = 12.0
ear_radius: float = 15.0
ear_thickness: float = 10.0
main_circumference: float = 3600.0
@ -81,12 +89,16 @@ class Shimenawa(Model):
ear_outer = Cq.Solid.makeCylinder(
radius=self.ear_radius,
height=self.ear_thickness,
pnt=(0,-self.ear_thickness/2,0),
dir=(0,1,0),
)
ear_hole = Cq.Solid.makeCylinder(
radius=self.ear_hole_diam/2,
height=self.ear_thickness,
pnt=(-self.ear_dr,-self.ear_thickness/2,0),
dir=(0,1,0),
)
ear = (ear_outer - ear_hole).moved(self.main_radius - r_minor - self.ear_dr, 0, 0)
ear = (ear_outer - ear_hole).moved(self.main_radius - r_minor, 0, 0)
result += ear - inner
return result
@target(name="pipe-joint-outer")
@ -130,7 +142,18 @@ class Shimenawa(Model):
- cut_hole.moved(0, 0, z)
- cut_interior
)
return result
ear_outer = Cq.Solid.makeCylinder(
radius=self.ear_radius,
height=self.ear_thickness,
pnt=(0, r1, -self.ear_thickness/2),
)
ear_hole = Cq.Solid.makeCylinder(
radius=self.ear_hole_diam/2,
height=self.ear_thickness,
pnt=(0,r1+self.ear_dr,-self.ear_thickness/2),
)
ear = ear_outer - ear_hole - cut_interior
return result + ear
@target(name="pipe-joint-inner")
def pipe_joint_inner(self) -> Cq.Workplane:
@ -184,12 +207,17 @@ class Shimenawa(Model):
dir=(r1, 0, 0),
)
z = self.hole_z
# avoid collisions
nut_x = r3 - self.hole_ext - NUT_COMMON.thickness
nut = NUT_COMMON.generate().val().rotate((0,0,0),(0,1,0),90)
result = (
result
+ add_hole.moved(0, 0, z)
+ add_hole.moved(0, 0, -z)
- cut_hole.moved(0, 0, z)
- cut_hole.moved(0, 0, -z)
- nut.moved(nut_x, 0, z)
- nut.moved(nut_x, 0, -z)
)
return result
@assembly()