r""" Collect the STEP files of every custom METAL part (no assemblies, no bought-part envelopes, no printed parts, no superseded designs) into Quote-Part-Step-Files/ for quoting (e.g. JLCCNC), named _.step, plus a manifest (quantity, material, finish, drawing, notes). Parts that only exist inside a drawing script or as part of a bought component are exported here (STEP in mm, like all project STEP files). Run from the project root: .venv\Scripts\python tools\collect_quote_step_files.py """ import csv import shutil import sys from pathlib import Path ROOT = Path(__file__).resolve().parents[1] CAD = ROOT / "cad" OUT = ROOT / "Quote-Part-Step-Files" DWG = CAD / "drawings" IN = 25.4 # (drawing, name, source STEP (relative to cad/) or None if exported below, qty, material, finish, notes) PARTS = [ ("WT-6C-001", "balance_6c", "six_component_balance/balance_6c_7075.step", 1, "7075-T651", "none (no anodize)", "Wire EDM necks/flexures; +-.0005 in sections; CMM report requested. Tighter than JLCCNC standard +-0.05 mm: upload the PDF drawing."), ("WT-6C-002", "puck_model_interface", "six_component_balance/model_puck_6061.step", 1, "6061-T6", "clear anodize II", "Dowel holes +.0005; face flat .0005 - upload drawing."), ("WT-6C-003", "sting", "six_component_balance/sting_4140.step", 1, "4140 pre-hard 28-32 HRC (ask for 42CrMo; 45# steel is the JLCCNC fallback)", "black oxide", "0.300 in bore x 17 in (gun drill); OD ground .8740-.8750, straightness .002."), ("WT-6C-004", "pod_reference_2.25in_printed", "six_component_balance/pod_reference_2.25in_printed.step", 1, "PC-ABS, 3D PRINTED (JLC3DP); NOT CNC", "as printed", "3D-PRINTED PART: internal 0.060 in pressure channels and a nose ring cannot be machined. Choose a 3D-printing " "process; clear all channels before use. JLC3DP quoted $112.96 in PC-ABS (2026-10-03)."), ("WT-6C-201", "spindle_roll", "roll_spindle/spindle_4140.step", 1, "4140 pre-hard (ask for 42CrMo)", "black oxide except seats", "35 k5 bearing seats ground; D-D bore by wire EDM; M35x1.5 thread; keyway."), ("WT-6C-202", "housing_roll_spindle", "roll_spindle/housing_6061.step", 1, "6061-T6", "clear anodize II, mask bores", "2x 55 H7 bores line-bored, runout .0005."), ("WT-6C-203-1", "cap_front", "roll_spindle/front_cap_6061.step", 1, "6061-T6", "clear anodize II", "Pilot lip 2.1640-2.1645 in."), ("WT-6C-203-2", "cap_rear", "roll_spindle/rear_cap_6061.step", 1, "6061-T6", "clear anodize II", "Pilot lip 2.1640-2.1645 in."), ("WT-6C-204", "adapter_gearbox", "roll_spindle/gearbox_adapter_6061.step", 1, "6061-T6", "clear anodize II", "Gearbox hole pattern per NMRV030 vendor drawing (confirm)."), ("WT-6C-205", "bracket_roll_encoder", "roll_spindle/encoder_bracket.step", 1, "6061-T6 (.125 plate)", "clear anodize II", ""), ("WT-6C-301", "sleeve_calibration", "calibration_6c/sleeve_6c_6061.step", 1, "6061-T6", "clear anodize II, mask load holes", "20 reamed load holes .2510-.2520, position .001."), ("WT-6C-302", "arm_roll_calibration", "calibration_6c/roll_arm_6061.step", 1, "6061-T6 (.500 plate)", "clear anodize II", "Knife-edge V-notches, no burrs."), ("WT-6C-303", "stirrup_45deg", "calibration_6c/stirrup_45_6061.step", 1, "6061-T6 (.300 plate)", "clear anodize II", ""), ("WT-6C-304", "yoke_calibration", "calibration_6c/yoke_6c_6061.step", 1, "6061-T6", "clear anodize II", ""), ("WT-6C-305", "plate_head_cal_stand", "calibration_6c/head_plate_v2_6061.step", 2, "6061-T6 (.500 plate)", "clear anodize II", "Qty 2, identical."), ("WT-6C-306-1", "bridge_jack", "calibration_6c/jack_bridge_v2_6061.step", 1, "6061-T6", "clear anodize II", ""), ("WT-6C-306-2", "spacer_cross", "calibration_6c/cross_spacer_6061.step", 2, "6061-T6", "clear anodize II", "Qty 2."), ("WT-6C-307", "tube_base_cal_stand", "calibration_6c/base_tube_v2.step", 1, "6061-T6 rect. tube 3 x 1.5 x .125", "none", "Cut to 31 in and drill (hole table on the drawing)."), ("WT-6C-308", "upright_pulley", "calibration_stand/drag_upright.step", 4, "6061-T6 (.375 plate)", "clear anodize II", "Qty 4, identical (2 drag + 2 thrust; drag_upright.step = thrust_upright.step)."), ("WT-6C-309", "axle_pulley", "calibration_stand/thrust_axle.step", 2, "416 stainless or 4140, 5/16 ground rod", "none", "Qty 2 (drag + thrust axle)."), ("WT-6C-310", "pulley_cable_2in", "calibration_stand/pulley_2in.step", 3, "6061-T6", "clear anodize II, mask bore", "Qty 3 (2 drag + 1 thrust); bore for one R5-2Z bearing each."), ("WT-6C-401", "cheek_pitch_sector", "pitch_sector_motorized/cheek_plus_y.step", 2, "6061-T6 (.500 plate)", "clear anodize II", "Qty 2, identical (+y and -y). Arc slots profile .002 - upload drawing."), ("WT-6C-402", "rack_plate_pitch", "pitch_sector_motorized/rack_plate.step", 1, "6061-T6 (.500 plate)", "clear anodize II", "Internal arc rack m1.25 by wire EDM; CAD teeth are simplified - use the drawing gear data."), ("WT-6C-403", "plate_base_pitch", "pitch_sector_motorized/base_plate.step", 1, "6061-T6 (.750 plate)", "clear anodize II", ""), ("WT-6C-404-1", "tie_top_pitch", "pitch_sector_motorized/top_tie.step", 1, "6061-T6", "clear anodize II", ""), ("WT-6C-404-2", "spacer_pitch_fwd", "pitch_sector_motorized/spacer0.step", 1, "6061-T6", "clear anodize II", ""), ("WT-6C-404-3", "spacer_pitch_aft", "pitch_sector_motorized/spacer1.step", 1, "6061-T6", "clear anodize II", ""), ("WT-6C-405", "bracket_pitch_drive", "pitch_sector_motorized/drive_bracket_6061.step", 1, "6061-T6", "clear anodize II, mask bore", "22 H7 bearing bore; M6 pattern to confirm with the NMRV030 vendor drawing."), ("WT-6C-406", "shaft_pitch_pinion", None, 1, "4140 or 416 stainless", "none", "Shaft only (8 h6); the m1.25 20T gear is bought and pinned on."), ("WT-6C-501", "rail_yaw_inner", "yaw_carriage/rail_inner.step", 1, "6061-T6 (.500 plate)", "hard anodize III preferred", "PRELIMINARY - bay dims TO CONFIRM. CAD edges square: 90 deg V-edges per drawing."), ("WT-6C-502", "rail_yaw_outer", "yaw_carriage/rail_outer.step", 1, "6061-T6 (.500 plate)", "hard anodize III preferred", "PRELIMINARY - TO CONFIRM. V-edges per drawing."), ("WT-6C-503", "rack_yaw_floor", "yaw_carriage/floor_rack.step", 1, "6061-T6", "clear anodize II", "PRELIMINARY - TO CONFIRM. External arc rack m1.25 by wire EDM; CAD teeth simplified."), ("WT-6C-504", "plate_yaw_carriage", "yaw_carriage/carriage_plate_6061.step", 1, "6061-T6 (.500 plate)", "clear anodize II", "PRELIMINARY - front edge R12.400 and wheel-stud radii TO CONFIRM."), ("WT-6C-506-1", "spacer_wheel_plain", None, 4, "6061-T6 (or 303 stainless)", "clear anodize II", "PRELIMINARY."), ("WT-6C-506-2", "spacer_wheel_eccentric", None, 4, "6061-T6 (or 303 stainless)", "clear anodize II", "PRELIMINARY. Eccentric preload spacer."), ] GEN_CAD_COPY = {"WT-6C-406": "pitch_sector_motorized/pinion_shaft_8mm.step", "WT-6C-506-1": "yaw_carriage/wheel_spacer_plain.step", "WT-6C-506-2": "yaw_carriage/wheel_spacer_eccentric.step"} EXCLUDED = [ ("WT-6C-505", "yaw pinion: a bought stock m1.25 20T gear, modified (rebore/keyway) - buy the gear with the right bore"), ("WT-6C-406 gear", "bought stock m1.25 20T spur gear"), ("bought parts", "bearings, KM7 locknut, NMRV030 + gearmotors, NEMA motors, cam followers, V-wheels, encoders, fasteners"), ("assemblies", "assembly_*.step files"), ("superseded", "aluminum_balance/, printed_pps_balance/, creep_test_coupon/, aoa_mechanism/ and the 3-component stand head/foot/jack bridge/yoke/base tube"), ] def export_generated(): """Parts that exist only inside a script or a bought-part model.""" import cadquery as cq sys.path.insert(0, str(DWG)) sys.path.insert(0, str(CAD / "pitch_sector_motorized")) out = {} import build_pitch_sector_cad as P shaft = (cq.Workplane("XZ").center(P.R_PIN_C, 0).circle(0.157).extrude(1.2) .translate((0, -2.55 + 0.6, 0))) out["WT-6C-406"] = shaft import sheets_yaw as SY out["WT-6C-506-1"] = SY.make_spacer(False) out["WT-6C-506-2"] = SY.make_spacer(True) return out def main(): OUT.mkdir(exist_ok=True) gen = export_generated() import cadquery as cq rows = [] for dwg, name, src, qty, mat, fin, note in PARTS: fname = f"{dwg}_{name}.step" if src: shutil.copy2(CAD / src, OUT / fname) else: cq.exporters.export(cq.Workplane().add(gen[dwg].val().scale(IN)), str(OUT / fname)) shutil.copy2(OUT / fname, CAD / GEN_CAD_COPY[dwg]) pdf = dwg.rsplit("-", 1)[0] if dwg.count("-") == 3 else dwg pdf_path = DWG / f"{pdf}.pdf" rows.append(dict(file=fname, drawing=dwg, part=name, qty=qty, material=mat, finish=fin, drawing_pdf=f"cad/drawings/{pdf}.pdf" if pdf_path.exists() else "(none yet)", notes=note)) with open(OUT / "parts_manifest.csv", "w", newline="", encoding="utf-8") as f: w = csv.DictWriter(f, fieldnames=list(rows[0].keys())) w.writeheader() w.writerows(rows) n_pcs = sum(r["qty"] for r in rows) lines = ["# Quote package - custom metal parts", "", f"{len(rows)} STEP files ({n_pcs} pieces for one set). STEP units are **millimetres**. Generated by " "`tools/collect_quote_step_files.py`; quantities, materials and finishes are in `parts_manifest.csv`.", "", "Quoting notes (JLCCNC):", "- JLCCNC's standard tolerance is +-0.05 mm (+-.002 in). For the precision parts (balance, puck, sting, " "spindle, housing, caps, sleeve, cheeks, racks, drive bracket) upload the PDF drawing from `cad/drawings/` " "with the STEP and ask them to quote to the drawing tolerances.", "- JLCCNC's steel options are 45# and SUS304; the sting and spindle are 4140 pre-hard - ask for 42CrMo " "(the Chinese equivalent), or quote them elsewhere.", "- The 5xx yaw-carriage parts are PRELIMINARY (bay dimensions TO CONFIRM): quote for budget only.", "- The racks' CAD teeth are simplified; the drawings give the gear data.", "- US duty on Chinese aluminium/steel parts is pre-collected by JLCCNC (about 90 % aluminium, 80 % steel), " "shipped DDP.", "", "| File | Qty | Material | Finish | Notes |", "|---|---|---|---|---|"] lines += [f"| {r['file']} | {r['qty']} | {r['material']} | {r['finish']} | {r['notes']} |" for r in rows] lines += ["", "Not included:"] + [f"- {a}: {b}" for a, b in EXCLUDED] (OUT / "README.md").write_text("\n".join(lines) + "\n", encoding="utf-8") print(f"{len(rows)} STEP files, {n_pcs} pieces -> {OUT}") if __name__ == "__main__": main()