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Improved sizing

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This commit is contained in:
Christian Colglazier 2022-05-17 20:42:56 -04:00
parent 9a3ed8a97b
commit d26fcc5271
1 changed files with 28 additions and 5 deletions
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33
follow_focus.py
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@ -2,6 +2,9 @@ import cadquery as cq
import math
from shapely.geometry import LineString
from shapely.geometry import Point
slant_degree=15.0
thickness=20
rod_thickness=15.2
@ -13,15 +16,35 @@ gap = stepper_motor_size * math.sin(math.radians(slant_degree)) / math.sin(math.
width = math.sqrt(gap**2 + stepper_motor_size**2 - 2*gap*stepper_motor_size*math.cos(math.radians(90)))
base = cq.Workplane('XY').lineTo(0,offset).polarLine(stepper_motor_size, 90-slant_degree)
end_x=gap+stepper_motor_size-5
end_y=0
angle=45
end_y=-3.5
angle=40
outer_ring_diameter=rod_thickness+2*loop_thickness
center_x=end_x-math.cos(math.radians(angle))*outer_ring_diameter/2
center_y=end_y-math.sin(math.radians(angle))*outer_ring_diameter/2
log('{} {}'.format(center_x, center_y))
base = base.hLine(width).polarLine(stepper_motor_size-5,270-slant_degree).tangentArcPoint((end_x, end_y), relative=False)
base = base.threePointArc((center_x+outer_ring_diameter/2 ,center_y), (center_x+math.cos(math.radians(270-slant_degree))*outer_ring_diameter/2, center_y+math.sin(math.radians(270-slant_degree))*outer_ring_diameter/2)).polarLine(20, 180-slant_degree).vLine(4).polarLine(15.5, -slant_degree)
base = base.threePointArc((center_x+rod_thickness/2 ,center_y), (center_x+math.cos(math.radians(200))*rod_thickness/2, center_y+math.sin(math.radians(200))*rod_thickness/2)).polarLine(15, 180-slant_degree)
d=20
t=6
outer_x=center_x+math.cos(math.radians(270-slant_degree))*outer_ring_diameter/2
outer_y=center_y+math.sin(math.radians(270-slant_degree))*outer_ring_diameter/2
base = base.threePointArc((center_x+outer_ring_diameter/2 ,center_y), (outer_x, outer_y)).polarLine(d, 180-slant_degree).vLine(t)
n_x=base.val().endPoint().toTuple()[0]
n_y=base.val().endPoint().toTuple()[1]
p = Point(center_x, center_y)
c = p.buffer(rod_thickness/2).boundary
l = LineString([(n_x, n_y), (n_x+100*math.cos(math.radians(-slant_degree)), n_y+100*math.sin(math.radians(-slant_degree)))])
i = c.intersection(l)
log((n_x,n_y))
log((n_x+10*math.cos(math.radians(-slant_degree)), n_y+10*math.sin(math.radians(-slant_degree))))
log((i.geoms[0].coords[0][0], i.geoms[0].coords[0][1]))
#base = base.polarLine(15.5, -slant_degree)
base = base.lineTo(i.geoms[1].coords[0][0], i.geoms[1].coords[0][1])
base = base.threePointArc((center_x+rod_thickness/2 ,center_y), (center_x+math.cos(math.radians(180))*rod_thickness/2, center_y+math.sin(math.radians(180))*rod_thickness/2)).polarLine(15, 180-slant_degree)
base = base.close().extrude(20)
# Render