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Rebuilt the Joint Tutorial
This commit is contained in:
Roger Maitland
parent
c3ead9db8c
commit
538f154c87
25 changed files with 2651 additions and 2549 deletions
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@ -24,12 +24,10 @@ license:
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See the License for the specific language governing permissions and
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limitations under the License.
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"""
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# [import]
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from build123d import *
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# SVG Export options
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svg_opts = {"pixel_scale": 5, "show_axes": False, "show_hidden": True}
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# [Hinge Class]
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class Hinge(Compound):
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"""Hinge
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@ -86,10 +84,10 @@ class Hinge(Compound):
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height=pin_diameter,
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align=(Align.CENTER, Align.CENTER, Align.MIN),
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)
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Fillet(
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*pin_head.edges(Select.LAST).filter_by(GeomType.CIRCLE),
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radius=pin_diameter / 3,
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)
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Fillet(
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*pin_head.edges(Select.LAST).filter_by(GeomType.CIRCLE),
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radius=pin_diameter / 3,
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)
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# Either the external and internal leaf with joints
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with BuildPart(Plane.XY, mode=Mode.PRIVATE) as leaf_builder:
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@ -128,8 +126,8 @@ class Hinge(Compound):
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if not inner:
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with Locations(pin_center.locations[0]):
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Add(pin.part)
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#
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# Create the Joints
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# [Create the Joints]
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#
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# Leaf attachment
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RigidJoint(
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@ -139,7 +137,7 @@ class Hinge(Compound):
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(width - barrel_diameter, 0, length / 2), (90, 0, 0)
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),
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)
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# Hinge axis (fixed with inner)
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# [Hinge Axis] (fixed with inner)
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if inner:
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RigidJoint(
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"hinge_axis",
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@ -155,21 +153,23 @@ class Hinge(Compound):
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),
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angular_range=(90, 270),
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)
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# Fastener holes
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# [Fastener holes]
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hole_locations = [hole.location for hole in holes]
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for hole, hole_location in enumerate(hole_locations):
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CylindricalJoint(
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label="hole" + str(hole),
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to_part=leaf_builder.part,
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axis=hole_location.to_axis(),
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linear_range=(-2 * CM, 0),
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linear_range=(-2 * CM, 2 * CM),
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angular_range=(0, 360),
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)
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# [End Fastener holes]
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super().__init__(leaf_builder.part.wrapped, joints=leaf_builder.part.joints)
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# [Hinge Class]
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# Create instances of the two leaves of the hinge
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# [Create instances of the two leaves of the hinge]
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hinge_inner = Hinge(
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width=5 * CM,
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length=12 * CM,
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@ -185,40 +185,17 @@ hinge_outer = Hinge(
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pin_diameter=4 * MM,
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inner=False,
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)
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Compound.make_compound(
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[
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hinge_inner,
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hinge_inner.joints["leaf"].symbol,
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hinge_inner.joints["hinge_axis"].symbol,
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hinge_inner.joints["hole0"].symbol,
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hinge_inner.joints["hole1"].symbol,
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hinge_inner.joints["hole2"].symbol,
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]
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).export_svg(
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"tutorial_joint_inner_leaf.svg", (100, 100, -50), (0, 0, 1), svg_opts=svg_opts
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)
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Compound.make_compound(
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[
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hinge_outer,
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hinge_outer.joints["leaf"].symbol,
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hinge_outer.joints["hinge_axis"].symbol,
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hinge_outer.joints["hole0"].symbol,
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hinge_outer.joints["hole1"].symbol,
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hinge_outer.joints["hole2"].symbol,
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]
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).export_svg(
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"tutorial_joint_outer_leaf.svg", (100, 100, -50), (0, 0, 1), svg_opts=svg_opts
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)
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# Create the box with a RigidJoint to mount the hinge
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# [Create the box with a RigidJoint to mount the hinge]
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with BuildPart() as box_builder:
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Box(30 * CM, 30 * CM, 10 * CM)
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box = Box(30 * CM, 30 * CM, 10 * CM)
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Offset(amount=-1 * CM, openings=box_builder.faces().sort_by(Axis.Z)[-1])
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# Create a notch for the hinge
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with Locations((-15 * CM, 0, 5 * CM)):
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Box(2 * CM, 12 * CM, 4 * MM, mode=Mode.SUBTRACT)
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bbox = box.bounding_box()
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with Workplanes(
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box_builder.part.faces().sort_by(Axis.X)[0].located(Location((0, 0, 2 * CM)))
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Plane(origin=(bbox.min.X, 0, bbox.max.Z - 30 * MM), z_dir=(-1, 0, 0))
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):
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with GridLocations(0, 40 * MM, 1, 3):
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Hole(3 * MM, 1 * CM)
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@ -227,13 +204,11 @@ with BuildPart() as box_builder:
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box_builder.part,
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Location((-15 * CM, 0, 4 * CM), (180, 90, 0)),
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)
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# Demonstrate that objects with Joints can be moved and the joints follow
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box = box_builder.part.moved(Location((0, 0, 5 * CM)))
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Compound.make_compound([box, box.joints["hinge_attachment"].symbol]).export_svg(
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"tutorial_joint_box.svg", (-100, 100, 150), (0, 0, 1), svg_opts=svg_opts
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)
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# The lid with a RigidJoint for the hinge
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# [Demonstrate that objects with Joints can be moved and the joints follow]
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box = box_builder.part.moved(Location((0, 0, 5 * CM)))
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# [The lid with a RigidJoint for the hinge]
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with BuildPart() as lid_builder:
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Box(30 * CM, 30 * CM, 1 * CM, align=(Align.MIN, Align.CENTER, Align.MIN))
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with Locations((2 * CM, 0, 0)):
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@ -245,55 +220,110 @@ with BuildPart() as lid_builder:
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Location((0, 0, 0), (0, 0, 180)),
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)
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lid = lid_builder.part
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Compound.make_compound([lid, lid.joints["hinge_attachment"].symbol]).export_svg(
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"tutorial_joint_lid.svg", (-100, 100, 150), (0, 0, 1), svg_opts=svg_opts
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)
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# A screw to attach the hinge to the box
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# [A screw to attach the hinge to the box]
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m6_screw = Compound.import_step("M6-1x12-countersunk-screw.step")
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m6_joint = RigidJoint("head", m6_screw, Location((0, 0, 0), (1, 0, 0), 180))
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Compound.make_compound([m6_screw, m6_joint.symbol]).export_svg(
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"tutorial_joint_m6_screw.svg",
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(-100, 100, 150),
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(0, 0, 1),
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svg_opts={"pixel_scale": 20, "show_axes": False, "show_hidden": False},
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)
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m6_joint = RigidJoint("head", m6_screw, Location((0, 0, 0), (0, 0, 0)))
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# Connect the parts together
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# [Connect the parts together]
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box.joints["hinge_attachment"].connect_to(hinge_outer.joints["leaf"])
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hinge_outer.joints["hinge_axis"].connect_to(hinge_inner.joints["hinge_axis"], angle=120)
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hinge_inner.joints["leaf"].connect_to(lid.joints["hinge_attachment"])
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hinge_outer.joints["hole2"].connect_to(m6_joint, position=-5 * MM, angle=30)
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hinge_outer.joints["hole2"].connect_to(m6_joint, position=5 * MM, angle=30)
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Compound.make_compound([box, hinge_outer]).export_svg(
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"tutorial_joint_box_outer.svg", (-100, -100, 50), (0, 0, 1), svg_opts=svg_opts
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)
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Compound.make_compound([box, hinge_outer, hinge_inner]).export_svg(
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"tutorial_joint_box_outer_inner.svg", (-100, -100, 50), (0, 0, 1), svg_opts=svg_opts
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)
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Compound.make_compound([box, hinge_outer, hinge_inner, lid]).export_svg(
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"tutorial_joint_box_outer_inner_lid.svg",
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(-100, -100, 50),
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(0, 0, 1),
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svg_opts=svg_opts,
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)
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Compound.make_compound([box, lid, hinge_inner, hinge_outer, m6_screw]).export_svg(
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"tutorial_joint.svg", (-100, -100, 50), (0, 0, 1), svg_opts=svg_opts
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)
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# [Add labels]
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box.label = "box"
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lid.label = "lid"
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hinge_outer.label = "outer hinge"
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hinge_inner.label = "inner hinge"
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m6_screw.label = "M6 screw"
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# Create assembly and display it
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# [Create assembly]
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box_assembly = Compound(label="assembly", children=[box, lid, hinge_inner, hinge_outer])
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# [Display assembly]
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print(box_assembly.show_topology())
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# Add to the assembly by assigning the parent attribute of an object
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# [Add to the assembly by assigning the parent attribute of an object]
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m6_screw.parent = box_assembly
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print(box_assembly.show_topology())
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# [Check that the components in the assembly don't intersect]
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child_intersect, children, volume = box_assembly.do_children_intersect(
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include_parent=False
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)
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print(f"do children intersect: {child_intersect}")
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if child_intersect:
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print(f"{children} by {volume:0.3f} mm^3")
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# [Export SVG files]
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#
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# SVG Export options
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svg_opts = {"pixel_scale": 5, "show_axes": False, "show_hidden": True}
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Compound.make_compound([box, box.joints["hinge_attachment"].symbol]).export_svg(
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"assets/tutorial_joint_box.svg", (-100, 100, 150), (0, 0, 1), svg_opts=svg_opts
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)
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Compound.make_compound(
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[
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hinge_inner,
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hinge_inner.joints["leaf"].symbol,
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hinge_inner.joints["hinge_axis"].symbol,
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hinge_inner.joints["hole0"].symbol,
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hinge_inner.joints["hole1"].symbol,
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hinge_inner.joints["hole2"].symbol,
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]
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).export_svg(
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"assets/tutorial_joint_inner_leaf.svg",
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(100, 100, -50),
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(0, 0, 1),
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svg_opts=svg_opts,
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)
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Compound.make_compound(
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[
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hinge_outer,
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hinge_outer.joints["leaf"].symbol,
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hinge_outer.joints["hinge_axis"].symbol,
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hinge_outer.joints["hole0"].symbol,
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hinge_outer.joints["hole1"].symbol,
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hinge_outer.joints["hole2"].symbol,
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]
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).export_svg(
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"assets/tutorial_joint_outer_leaf.svg",
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(100, 100, -50),
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(0, 0, 1),
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svg_opts=svg_opts,
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)
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Compound.make_compound([box, hinge_outer]).export_svg(
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"assets/tutorial_joint_box_outer.svg",
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(-100, -100, 50),
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(0, 0, 1),
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svg_opts=svg_opts,
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)
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Compound.make_compound([box, hinge_outer, hinge_inner]).export_svg(
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"assets/tutorial_joint_box_outer_inner.svg",
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(-100, -100, 50),
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(0, 0, 1),
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svg_opts=svg_opts,
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)
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Compound.make_compound([lid, lid.joints["hinge_attachment"].symbol]).export_svg(
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"assets/tutorial_joint_lid.svg", (-100, 100, 150), (0, 0, 1), svg_opts=svg_opts
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)
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Compound.make_compound([box, hinge_outer, hinge_inner, lid]).export_svg(
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"assets/tutorial_joint_box_outer_inner_lid.svg",
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(-100, -100, 50),
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(0, 0, 1),
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svg_opts=svg_opts,
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)
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Compound.make_compound([box, lid, hinge_inner, hinge_outer, m6_screw]).export_svg(
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"assets/tutorial_joint.svg", (-100, -100, 50), (0, 0, 1), svg_opts=svg_opts
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)
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Compound.make_compound([m6_screw, m6_joint.symbol]).export_svg(
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"assets/tutorial_joint_m6_screw.svg",
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(-100, 100, 150),
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(0, 0, 1),
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svg_opts={"pixel_scale": 20, "show_axes": False, "show_hidden": False},
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)
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if "show_object" in locals():
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show_object(box, name="box", options={"alpha": 0.8})
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# show_object(box.joints["hinge_attachment"].symbol, name="box attachment point")
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@ -305,15 +335,15 @@ if "show_object" in locals():
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show_object(hinge_inner, name="hinge_inner")
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# show_object(hinge_inner.joints["leaf"].symbol, name="hinge_inner leaf joint")
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# show_object(hinge_inner.joints["hinge_axis"].symbol, name="hinge_inner hinge axis")
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# for hole in [0, 1, 2]:
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# show_object(
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# hinge_inner.joints["hole" + str(hole)].symbol,
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# name="hinge_inner hole " + str(hole),
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# )
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# show_object(
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# hinge_outer.joints["hole" + str(hole)].symbol,
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# name="hinge_outer hole " + str(hole),
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# )
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for hole in [0, 1, 2]:
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show_object(
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hinge_inner.joints["hole" + str(hole)].symbol,
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name="hinge_inner hole " + str(hole),
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)
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show_object(
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hinge_outer.joints["hole" + str(hole)].symbol,
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name="hinge_outer hole " + str(hole),
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)
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show_object(m6_screw, name="m6 screw")
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# show_object(m6_joint.symbol, name="m6 screw symbol")
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show_object(m6_joint.symbol, name="m6 screw symbol")
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show_object(box_assembly, name="box assembly")
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