Jerry
113 lines
4.0 KiB
Python
113 lines
4.0 KiB
Python
"""Build and export the integrated BLDC joint actuator."""
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from __future__ import annotations
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import json
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import sys
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from pathlib import Path
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import simplecadapi as scad
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try:
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from .assembly import make_integrated_bldc_joint_actuator_rassembly
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from .common import ground_compound
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from .dimensions import (
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MOTOR_AIR_GAP,
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MOTOR_POLE_COUNT,
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MOTOR_SLOT_COUNT,
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PACKAGE_RADIUS,
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PACKAGE_STRUCTURAL_BOTTOM_Z,
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PACKAGE_TOP_Z,
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TOTAL_REDUCTION,
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validate_design_dimensions,
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)
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from .materials import make_actuator_materials_rdict
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except ImportError: # Support direct execution from this example directory.
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from assembly import make_integrated_bldc_joint_actuator_rassembly
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from common import ground_compound
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from dimensions import (
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MOTOR_AIR_GAP,
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MOTOR_POLE_COUNT,
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MOTOR_SLOT_COUNT,
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PACKAGE_RADIUS,
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PACKAGE_STRUCTURAL_BOTTOM_Z,
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PACKAGE_TOP_Z,
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TOTAL_REDUCTION,
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validate_design_dimensions,
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)
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from materials import make_actuator_materials_rdict
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sys.setrecursionlimit(30000)
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OUT_DIR = Path("examples/out/integrated_bldc_joint_actuator")
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@scad.model(graph_id="integrated_50mm_bldc_joint_actuator")
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def build_integrated_bldc_joint_actuator():
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"""Build the replayable actuator and return product and interchange outputs."""
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validate_design_dimensions()
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materials = make_actuator_materials_rdict()
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assembly = make_integrated_bldc_joint_actuator_rassembly(materials=materials)
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preview = scad.make_compound_from_assembly_rcompound(assembly=assembly)
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preview = scad.apply_tag(
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shape=preview,
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tag="scene.integrated.bldc.joint.actuator.preview",
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)
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ground_compound(label="integrated_actuator_preview", compound=preview)
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scad.capture_result(value=(assembly, preview))
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return assembly, preview
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def main() -> None:
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"""Generate canonical model JSON, STEP, and optional FreeCAD output."""
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OUT_DIR.mkdir(parents=True, exist_ok=True)
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model_path = OUT_DIR / "integrated_bldc_joint_actuator.model.json"
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session_path = OUT_DIR / "integrated_bldc_joint_actuator.session.json"
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step_path = OUT_DIR / "integrated_bldc_joint_actuator.step"
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fcstd_path = OUT_DIR / "integrated_bldc_joint_actuator.FCStd"
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if fcstd_path.exists():
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fcstd_path.unlink()
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result = build_integrated_bldc_joint_actuator()
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assembly, preview = result.value
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model_path.write_text(result.model_json, encoding="utf-8")
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session_path.write_text(result.session_json, encoding="utf-8")
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scad.export_step(shapes=preview, filename=str(step_path))
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payload = json.loads(result.model_json)
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fcstd_status = "not attempted"
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try:
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scad.translator.freecad_translator.translate_model_json_to_fcstd(
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json_str=result.model_json,
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output_path=str(fcstd_path.resolve()),
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document_name="Integrated50mmBLDCJointActuator",
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freecad_cmd=None,
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)
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fcstd_status = f"{fcstd_path} ({fcstd_path.stat().st_size} bytes)"
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except Exception as exc: # pragma: no cover - depends on local FreeCAD install
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fcstd_status = f"skipped ({exc.__class__.__name__}: {exc})"
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print(f"envelope_diameter={PACKAGE_RADIUS * 2.0:.1f}")
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print(f"structural_length={PACKAGE_TOP_Z - PACKAGE_STRUCTURAL_BOTTOM_Z:.1f}")
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print(f"motor_topology={MOTOR_SLOT_COUNT}_slot_{MOTOR_POLE_COUNT}_pole")
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print(f"motor_air_gap={MOTOR_AIR_GAP:.2f}")
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print(f"total_reduction={TOTAL_REDUCTION:.1f}")
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print(f"assembly={assembly.assembly_id}")
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print(f"components={len(assembly.component_ids())}")
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print(f"constraints={len(assembly.constraint_ids())}")
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print(f"preview_solids={len(preview.get_solids())}")
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print(f"preview_volume={preview.get_volume():.3f}")
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print(f"graph_nodes={len(payload['graph']['nodes'])}")
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print(f"model={model_path}")
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print(f"session={session_path}")
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print(f"step={step_path}")
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print(f"fcstd={fcstd_status}")
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if __name__ == "__main__":
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main()
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