89 lines
3.4 KiB
Python
89 lines
3.4 KiB
Python
import math
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from dataclasses import dataclass, field
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import cadquery as Cq
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from nhf import Material, Role
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from nhf.parts.handle import Handle, BayonetMount
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from nhf.build import Model, target, assembly
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import nhf.utils
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@dataclass
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class Trident(Model):
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handle: Handle = field(default_factory=lambda: Handle(
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diam=38,
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diam_inner=38-2 * 25.4/8,
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diam_connector_internal=18,
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simplify_geometry=False,
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mount=BayonetMount(n_pin=3),
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))
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terminal_height: float = 80
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terminal_hole_diam: float = 24
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terminal_bottom_thickness: float = 10
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segment_length: float = 24 * 25.4
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@target(name="handle-connector")
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def handle_connector(self):
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return self.handle.connector()
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@target(name="handle-insertion")
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def handle_insertion(self):
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return self.handle.insertion()
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@target(name="proto-handle-terminal-connector", prototype=True)
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def proto_handle_connector(self):
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return self.handle.one_side_connector(height=15)
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@target(name="handle-terminal-connector")
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def handle_terminal_connector(self):
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result = self.handle.one_side_connector(height=self.terminal_height)
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#result.faces("<Z").circle(radius=25/2).cutThruAll()
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h = self.terminal_height + self.handle.insertion_length - self.terminal_bottom_thickness
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result = result.faces(">Z").hole(self.terminal_hole_diam, depth=h)
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return result
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@assembly()
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def assembly(self):
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def segment():
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return self.handle.segment(self.segment_length)
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terminal = (
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self.handle
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.one_side_connector(height=self.terminal_height)
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.faces(">Z")
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.hole(15, self.terminal_height + self.handle.insertion_length - 10)
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)
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mat_c = Material.PLASTIC_PLA
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mat_i = Material.RESIN_TOUGH_1500
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mat_s = Material.ACRYLIC_BLACK
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role_i = Role.CONNECTION
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role_c = Role.CONNECTION
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role_s = Role.STRUCTURE
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a = (
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Cq.Assembly()
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.addS(self.handle.insertion(), name="i0",
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material=mat_i, role=role_i)
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.constrain("i0", "Fixed")
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.addS(segment(), name="s1",
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material=mat_s, role=role_s)
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.constrain("i0?rim", "s1?mate1", "Plane", param=0)
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.addS(self.handle.insertion(), name="i1",
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material=mat_i, role=role_i)
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.addS(self.handle.connector(), name="c1",
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material=mat_c, role=role_c)
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.addS(self.handle.insertion(), name="i2",
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material=mat_i, role=role_i)
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.constrain("s1?mate2", "i1?rim", "Plane", param=0)
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.constrain("i1?mate", "c1?mate1", "Plane")
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.constrain("i2?mate", "c1?mate2", "Plane")
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.addS(segment(), name="s2",
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material=mat_s, role=role_s)
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.constrain("i2?rim", "s2?mate1", "Plane", param=0)
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.addS(self.handle.insertion(), name="i3",
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material=mat_i, role=role_i)
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.constrain("s2?mate2", "i3?rim", "Plane", param=0)
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.addS(self.handle.one_side_connector(), name="head",
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material=mat_c, role=role_c)
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.constrain("i3?mate", "head?mate", "Plane")
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.addS(terminal, name="terminal",
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material=mat_c, role=role_c)
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.constrain("i0?mate", "terminal?mate", "Plane")
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)
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return a.solve()
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