Calibrate measurements
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D5F96287843E8DFB
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@ -83,11 +83,16 @@ class BatteryBox18650(Item):
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battery_dist: float = 20.18
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height: float = 19.66
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# space from bottom to battery begin
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thickness: float = 1.66
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thickness: float = 2.28
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battery_diam: float = 18.48
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battery_height: float = 68.80
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n_batteries: int = 3
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battery_gap: float = 2.0
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diam_thread: float = 3.0
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hole_dy: float = 39.50 / 2
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def __post_init__(self):
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assert 2 * self.thickness < min(self.length, self.height)
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@ -101,7 +106,7 @@ class BatteryBox18650(Item):
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def generate(self) -> Cq.Workplane:
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width = self.width_base + self.battery_dist * (self.n_batteries - 1) + self.battery_diam
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return (
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result = (
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Cq.Workplane('XY')
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.box(
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length=self.length,
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@ -117,7 +122,7 @@ class BatteryBox18650(Item):
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centered=(True, True, False),
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combine='cut',
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)
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.copyWorkplane(Cq.Workplane('XY', origin=(-self.battery_height/2, 0, self.thickness + self.battery_diam/2)))
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.copyWorkplane(Cq.Workplane('XY', origin=(-self.battery_height/2, 0, self.thickness + self.battery_diam/2 + self.battery_gap)))
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.rarray(
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xSpacing=1,
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ySpacing=self.battery_dist,
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@ -133,3 +138,14 @@ class BatteryBox18650(Item):
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combine=True,
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)
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)
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hole = Cq.Solid.makeCylinder(
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radius=self.diam_thread/2,
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height=self.thickness,
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)
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result -= hole.moved(0, self.hole_dy)
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result -= hole.moved(0, -self.hole_dy)
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result.tagAbsolute("holeT1", (0, self.hole_dy, self.thickness), direction="+Z")
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result.tagAbsolute("holeT2", (0, -self.hole_dy, self.thickness), direction="+Z")
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result.tagAbsolute("holeB1", (0, self.hole_dy, 0), direction="-Z")
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result.tagAbsolute("holeB2", (0, -self.hole_dy, 0), direction="-Z")
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return result
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@ -2,6 +2,7 @@ from nhf.build import Model, TargetKind, target, assembly, submodel
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from nhf.materials import Role, Material
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import nhf.utils
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from nhf.parts.fasteners import FlatHeadBolt, HexNut, Washer
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from nhf.parts.electronics import ArduinoUnoR3, BatteryBox18650
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from typing import Optional, Union
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import math
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@ -21,7 +22,7 @@ def has_part(li: Optional[list[str]], name: Union[str, list[str]]) -> bool:
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return True
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NUT_COMMON = HexNut(
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# FIXME: measure
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# FIXME: weigh
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mass=0.0,
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diam_thread=6.0,
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pitch=1.0,
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@ -29,14 +30,14 @@ NUT_COMMON = HexNut(
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width=9.89,
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)
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WASHER_COMMON = Washer(
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# FIXME: measure
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# FIXME: weigh
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mass=0.0,
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diam_thread=6.0,
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diam_outer=11.68,
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thickness=1.5,
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)
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BOLT_COMMON = FlatHeadBolt(
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# FIXME: measure
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# FIXME: weigh
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mass=0.0,
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diam_head=12.8,
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height_head=2.8,
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@ -45,7 +46,7 @@ BOLT_COMMON = FlatHeadBolt(
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pitch=1.0,
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)
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BOLT_LONG = FlatHeadBolt(
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# FIXME: measure
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# FIXME: weigh
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mass=0.0,
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diam_head=12.8,
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height_head=2.8,
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@ -54,7 +55,7 @@ BOLT_LONG = FlatHeadBolt(
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pitch=1.0,
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)
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BOLT_BEARING = FlatHeadBolt(
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# FIXME: measure
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# FIXME: weigh
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mass=0.0,
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diam_head=12.8,
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height_head=2.8,
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@ -63,14 +64,21 @@ BOLT_BEARING = FlatHeadBolt(
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pitch=1.0,
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)
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@dataclass(frozen=True)
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class Display(Model):
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thickness: float = 2.5
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length: float = 38.0
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width: float = 12.0
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@dataclass(frozen=True)
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class FlangeCoupler(Model):
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diam_thread: float = 8.0
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diam_inner: float = 10.0
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diam_outer: float = 22.0
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diam_inner: float = 16.0
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diam_outer: float = 32.0
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height: float = 12.0
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height_flange: float = 2.0
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height_hole: float = 7.0
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diam_thread_flange: float = 4.0
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n_hole_flange: int = 4
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@ -107,7 +115,14 @@ class FlangeCoupler(Model):
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.finalize()
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.extrude(self.height_flange)
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)
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hole_subtractor = Cq.Solid.makeCylinder(
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radius=self.diam_thread_flange/2,
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height=self.diam_inner,
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pnt=(-self.diam_inner/2, 0, self.height_hole),
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dir=(1, 0, 0)
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)
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result -= holes
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result -= hole_subtractor
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result.tagAbsolute("top", (0, 0, self.height), direction="+Z")
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result.tagAbsolute("bot", (0, 0, 9), direction="-Z")
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for i in range(self.n_hole_flange):
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@ -133,10 +148,11 @@ class Motor(Model):
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height_body: float = 83.5
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diam_ring: float = 25.93
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height_ring: float = 6.55
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height_shaft: float = 38.1
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height_base_shaft: float = 20.0 # FIXME: Measure
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height_hole: float = 10.0
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height_shaft: float = 13.0
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height_base_shaft: float = 24.77
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# Distance between anchor and the body
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dx_anchor: float = 20.2 # FIXME: Measure
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dx_anchor: float = 20.0
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height_anchor: float = 10.4
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def __post_init__(self):
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@ -146,6 +162,12 @@ class Motor(Model):
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pass
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@property
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def dist_mount_hole(self):
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"""
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Distance between mount point and shaft
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"""
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return self.height_hole + self.height_ring
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@property
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def dist_mount_rotor(self):
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"""
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Distance between mount point and shaft
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@ -167,13 +189,19 @@ class Motor(Model):
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centered=(True, True, False)
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)
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)
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base_shaft = Cq.Solid.makeBox(
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length=self.diam_shaft,
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width=self.diam_shaft,
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height=self.height_base_shaft,
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).moved(-self.diam_shaft/2, -self.diam_shaft/2, self.height_body)
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shaft = Cq.Solid.makeCylinder(
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hole_subtractor = Cq.Solid.makeCylinder(
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radius=self.diam_thread/2,
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height=self.diam_shaft,
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pnt=(-self.diam_shaft/2, 0, self.height_body + self.height_hole),
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dir=(1, 0, 0)
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)
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base_shaft = Cq.Solid.makeCylinder(
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radius=self.diam_shaft/2,
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height=self.height_base_shaft,
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pnt=(0, 0, self.height_body),
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)
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shaft = Cq.Solid.makeCylinder(
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radius=self.diam_shaft/2 * 0.9,
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height=self.height_shaft,
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pnt=(0, 0, self.height_body + self.height_base_shaft)
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)
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@ -183,7 +211,7 @@ class Motor(Model):
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height=self.height_anchor,
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pnt=(0, 0, z_anchor)
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)
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result = result + base_shaft + shaft + anchor.moved(self.dx_anchor, 0, 0) + anchor.moved(-self.dx_anchor, 0, 0)
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result = result + base_shaft + shaft + anchor.moved(self.dx_anchor, 0, 0) + anchor.moved(-self.dx_anchor, 0, 0) - hole_subtractor
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result.tagAbsolute("anchor1", (self.dx_anchor, 0, z_anchor), direction="+Z")
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result.tagAbsolute("anchor2", (-self.dx_anchor, 0, z_anchor), direction="+Z")
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result.tagAbsolute("shaft", (0, 0, self.height_body + self.height_base_shaft), direction="+Z")
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@ -282,13 +310,16 @@ class Onbashira(Model):
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flange_coupler: FlangeCoupler = FlangeCoupler()
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auxiliary_thickness: float = 25.4 / 8
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battery_box: BatteryBox18650 = BatteryBox18650()
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controller: ArduinoUnoR3 = ArduinoUnoR3()
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# Distance between bind point and motor's mount points
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motor_driver_radius: float = 110.0
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motor_seat_depth: float = 95.0
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motor_seat_radius: float = 45.0
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motor_coupler_flange_thickness: float = 10.0
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motor_coupler_flange_radius: float = 8.0
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motor_coupler_height: float = 100.0
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motor_coupler_height: float = 120.0
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motor_coupler_conn_dx: float = 30.0
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motor_coupler_wall_thickness: float = 5.0
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motor_coupler_inner_gap: float = 1.0
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@ -584,9 +615,10 @@ class Onbashira(Model):
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)
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)
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for i in range(self.flange_coupler.n_hole_flange):
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j = self.flange_coupler.n_hole_flange - i - 1
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a = a.constrain(
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f"flange_coupler?holeB{i}",
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f"driver_disk?holeB{i}",
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f"driver_disk?holeB{j}",
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"Plane",
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)
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