2026-10-14 22:03:18 +08:00
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# -*- coding: utf-8 -*-
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"""P02 底座三段（中核心 / 前向力臂 / 后向力臂）：后置防倾翻机架与防呆母榫。"""
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import cadquery as cq
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2026-10-15 03:31:20 +08:00
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from arm.cad.helpers import cyl
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from arm.cad.parts.p01_column import X_COL, Y_COL
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2026-10-14 22:03:18 +08:00
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def make_p02_poka_yoke():
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"""将 P02 拆分为三件模块化组件（均严格 <= 195x190mm，适配 200x200mm 打印床）：
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1. P02_Center (底座中核心): 195x190x70mm，完整容纳立柱套筒与前后三角斜撑筋，核心应力区无接缝；
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2. P02_Front (前向力臂): 145x190x22mm，宽跨距 104mm 双榫头 + 预埋 M5 螺母槽；
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3. P02_Rear (后向力臂): 45x190x22mm，窄跨距 80mm 双榫头（跨距差达 24mm 物理防呆，绝不混装）。
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"""
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z0 = 0.0
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z1 = 22.0
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y_width = 190.0
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f_tenon_w = 44.0
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f_tenon_y_span = 52.0
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r_tenon_w = 32.0
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r_tenon_y_span = 40.0
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# 1. P02_Center (X = -195.0 .. 0.0, 195x190mm)
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x_c_min = -195.0
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x_c_max = 0.0
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x_c_len = x_c_max - x_c_min
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x_c_mid = (x_c_min + x_c_max) / 2.0
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c_plate = (cq.Workplane("XY", origin=(x_c_mid, Y_COL, z0))
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.rect(x_c_len, y_width).extrude(z1)
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.edges("|Z and <X").fillet(8.0).edges("|Z and >X").fillet(8.0)
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.edges(">Z").fillet(2.0)).val()
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p02_c = cq.Shape(c_plate.wrapped)
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# Socket collar (Z: 22..70mm)
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z_collar_top = 70.0
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collar_outer = (cq.Workplane("XY", origin=(X_COL, Y_COL, z1))
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.rect(80.0, 80.0).extrude(z_collar_top - z1)
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.edges("|Z").fillet(8.0).edges(">Z").chamfer(2.0)).val()
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p02_c = p02_c.fuse(cq.Shape(collar_outer.wrapped))
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# Front & Rear triangular gusset ribs
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f_pts = [(-75.0, z1), (-15.0, z1), (-15.0, z1 + 4.0), (-75.0, 68.0)]
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f_rib = (cq.Workplane("XZ", origin=(0, Y_COL, 0)).polyline(f_pts).close().extrude(19.0, both=True)).val()
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p02_c = p02_c.fuse(cq.Shape(f_rib.wrapped))
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r_pts = [(-155.0, z1), (-195.0, z1), (-195.0, z1 + 14.0), (-155.0, 70.0)]
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r_rib = (cq.Workplane("XZ", origin=(0, Y_COL, 0)).polyline(r_pts).close().extrude(19.0, both=True)).val()
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p02_c = p02_c.fuse(cq.Shape(r_rib.wrapped))
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# Front wire guide
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wg_pts = [(-75.5, z1 + 1.0), (-14.0, z1 + 1.0), (-14.0, z1 + 4.0), (-75.5, 68.5)]
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wire_guide = (cq.Workplane("XZ", origin=(0, Y_COL, 0)).polyline(wg_pts).close().extrude(9.0, both=True)).val()
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p02_c = p02_c.cut(wire_guide)
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# Column socket — stepped mortise: upper 66.6 bore for the 66 box walls,
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# lower 50.6 recess (floor 0.6 low) for the 50x50 bottom tenon; the recess
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# rim at z=22 is the axial seat, so column weight bears on face, not threads.
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socket_upper = (cq.Workplane("XY", origin=(X_COL, Y_COL, z1))
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.rect(66.6, 66.6).extrude(z_collar_top - z1 + 1.0)
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.edges("|Z").fillet(6.3)).val()
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p02_c = p02_c.cut(socket_upper)
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socket_lower = (cq.Workplane("XY", origin=(X_COL, Y_COL, 9.4))
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.rect(50.6, 50.6).extrude(z1 - 9.4)
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.edges("|Z").fillet(4.3)).val()
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p02_c = p02_c.cut(socket_lower)
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# Vertical M5 clamp bolts (offsets match the asymmetric column tenon holes:
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# X −20/+16 blocks 180° flip, the ±18 Y span blocks 90° rotation).
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# Threads engage the tenon 15mm — clamp only, axial load rides on the seat.
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for xx in (X_COL - 20.0, X_COL + 16.0):
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for yy in (Y_COL - 18.0, Y_COL + 18.0):
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p02_c = p02_c.cut(cyl(2.75, -0.01, 10.5, xx, yy)).cut(cyl(5.0, -0.01, 6.0, xx, yy))
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# Center clamp slots
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for cy in (Y_COL - 75.0, Y_COL + 75.0):
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plane = cq.Plane(origin=(x_c_mid, cy, -0.01), xDir=(0, 1, 0), normal=(0, 0, 1))
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slot = cq.Workplane(plane).slot2D(28.0, 7.0).extrude(z1 + 1.0).val()
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p02_c = p02_c.cut(slot)
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p02_c = p02_c.cut((cq.Workplane("XY", origin=(X_COL, Y_COL - 70.0, -0.01)).rect(28.0, 80.0).extrude(6.0)).val())
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# Front mortise pockets
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for sign in (-1, 1):
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yy = Y_COL + sign * f_tenon_y_span
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front_mortise = (cq.Workplane("XY", origin=(-10.0, yy, 4.8))
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.rect(21.0, f_tenon_w + 0.8).extrude(12.6).edges("|Z and <X").fillet(3.0)).val()
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p02_c = p02_c.cut(front_mortise)
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p02_c = p02_c.cut(cyl(2.75, -0.01, z1 + 1.0, -10.0, yy))
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p02_c = p02_c.cut(cyl(5.0, z1 - 5.0, z1 + 1.0, -10.0, yy))
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# Rear mortise pockets
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for sign in (-1, 1):
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yy = Y_COL + sign * r_tenon_y_span
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rear_mortise = (cq.Workplane("XY", origin=(-185.0, yy, 4.8))
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.rect(21.0, r_tenon_w + 0.8).extrude(12.6).edges("|Z and >X").fillet(3.0)).val()
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p02_c = p02_c.cut(rear_mortise)
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p02_c = p02_c.cut(cyl(2.75, -0.01, z1 + 1.0, -185.0, yy))
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p02_c = p02_c.cut(cyl(5.0, z1 - 5.0, z1 + 1.0, -185.0, yy))
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# Debossed text on P02_Center top face. The mid-plate line (y=Y_COL) is
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# hidden behind the column collar and the gusset ribs, so both labels sit on
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# the flat -Y side strip (y = Y_COL-68) where they stay in full view from the
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# label side: REAR on the rear half, FRONT on the front half, clear of the
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# clamp slot (x -101..-94) and the M5 screw counterbores.
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txt_c_f = (cq.Workplane("XY", origin=(-49.0, Y_COL - 68.0, z1)).text("▲ FRONT (前向) ▲", 9.0, -0.8)).val()
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txt_c_r = (cq.Workplane("XY", origin=(-146.0, Y_COL - 68.0, z1)).text("▲ REAR (后向) ▲", 9.0, -0.8)).val()
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p02_c = p02_c.cut(cq.Shape(txt_c_f.wrapped)).cut(cq.Shape(txt_c_r.wrapped))
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# 2. P02_Front (X = 0.0 .. 145.0, 145x190mm)
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x_f_len = 145.0
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x_f_mid = 72.5
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f_plate = (cq.Workplane("XY", origin=(x_f_mid, Y_COL, z0))
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.rect(x_f_len, y_width).extrude(z1)
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.edges("|Z and >X").fillet(16.0).edges(">Z").fillet(2.0)).val()
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p02_f = cq.Shape(f_plate.wrapped)
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for cy in (Y_COL - 70.0, Y_COL + 70.0):
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plane = cq.Plane(origin=(120.0, cy, -0.01), xDir=(0, 1, 0), normal=(0, 0, 1))
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slot = cq.Workplane(plane).slot2D(28.0, 7.0).extrude(z1 + 1.0).val()
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p02_f = p02_f.cut(slot)
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for sign in (-1, 1):
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yy = Y_COL + sign * f_tenon_y_span
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tongue = (cq.Workplane("XY", origin=(-9.5, yy, 5.25))
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.rect(20.0, f_tenon_w - 0.2).extrude(11.5).edges("|Z and <X").fillet(2.5).edges("<X").chamfer(1.5)).val()
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p02_f = p02_f.fuse(cq.Shape(tongue.wrapped))
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p02_f = p02_f.cut(cyl(2.75, -0.01, z1 + 1.0, -10.0, yy))
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nut_pocket = (cq.Workplane("XY", origin=(-10.0, yy, -0.01)).polygon(6, 9.2).extrude(5.0)).val()
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p02_f = p02_f.cut(nut_pocket)
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# Top-face engraving rotated 90 deg to run across the plate along +Y (user
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# request): letter tops face -X, so it reads upright from the front (+X).
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# "▲" points local +Y = world -X, i.e. toward the centre joint.
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txt_f = (cq.Workplane(cq.Plane(origin=(x_f_mid, Y_COL, z1), xDir=(0, 1, 0),
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normal=(0, 0, 1)))
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.text("P02-FRONT ▲ JOIN", 8.0, -0.8)).val()
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p02_f = p02_f.cut(cq.Shape(txt_f.wrapped))
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# 3. P02_Rear (X = -240.0 .. -195.0, 45x190mm)
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x_r_len = 45.0
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x_r_mid = -217.5
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r_plate = (cq.Workplane("XY", origin=(x_r_mid, Y_COL, z0))
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.rect(x_r_len, y_width).extrude(z1)
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.edges("|Z and <X").fillet(16.0).edges(">Z").fillet(2.0)).val()
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p02_r = cq.Shape(r_plate.wrapped)
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for cy in (Y_COL - 70.0, Y_COL + 70.0):
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plane = cq.Plane(origin=(-215.0, cy, -0.01), xDir=(0, 1, 0), normal=(0, 0, 1))
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slot = cq.Workplane(plane).slot2D(28.0, 7.0).extrude(z1 + 1.0).val()
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p02_r = p02_r.cut(slot)
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for sign in (-1, 1):
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yy = Y_COL + sign * r_tenon_y_span
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tongue = (cq.Workplane("XY", origin=(-185.5, yy, 5.25))
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.rect(20.0, r_tenon_w - 0.2).extrude(11.5).edges("|Z and >X").fillet(2.5).edges(">X").chamfer(1.5)).val()
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p02_r = p02_r.fuse(cq.Shape(tongue.wrapped))
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p02_r = p02_r.cut(cyl(2.75, -0.01, z1 + 1.0, -185.0, yy))
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nut_pocket = (cq.Workplane("XY", origin=(-185.0, yy, -0.01)).polygon(6, 9.2).extrude(5.0)).val()
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p02_r = p02_r.cut(nut_pocket)
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# Same +Y rotation as the front plate; "▼" points local -Y = world +X,
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# i.e. toward the centre joint. Along +Y the ~73 mm text fits the 190 mm
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# plate width instead of overhanging its 45 mm X span.
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txt_r = (cq.Workplane(cq.Plane(origin=(x_r_mid, Y_COL, z1), xDir=(0, 1, 0),
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normal=(0, 0, 1)))
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.text("P02-REAR ▼ JOIN", 7.5, -0.8)).val()
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p02_r = p02_r.cut(cq.Shape(txt_r.wrapped))
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return p02_c, p02_f, p02_r
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def p_base_foot():
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"""P02_底脚 (重型防倾翻超长力臂底座 + 双向大截面三角加强斜撑筋):
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1. 底盘尺寸大幅扩展为 385x240x22mm (X: -240.0..+145.0, Y: 8.0..248.0)；
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- 前向延伸至 X = +145.0mm (在手臂垂直投影前方 91.5mm)，彻底杜绝手臂前伸与抓握重物时的前倾翻；
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- 后向延伸至 X = -240.0mm (在立柱后方 92.0mm)，抵御大动态回程后仰力矩；
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2. 立柱插接套筒由 12mm 浅槽大幅升级为 48mm 高加固套筒 (Z: 22.0..70.0mm，外壁厚 7mm)；
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3. 前向大三角加强斜撑筋 (Z: 68.0->22.0mm, X: -75.0->-15.0mm, 宽 38mm)，抗弯力臂长达 60mm，留足安全间隙不干涉手臂运动；
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4. 后向大三角加强斜撑筋 (Z: 70.0->22.0mm, X: -155.0->-225.0mm, 宽 38mm)，抗后仰力臂长达 70mm；
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5. 前斜撑表面设 18mm 宽平滑走线导槽，与 P01 下部走线窗口自然贯通；
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6. 6 组 M6 工业工作台紧固腰槽 (28x7mm) + 底部隐蔽走线槽；
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7. 四周 R=18mm 大圆角过渡与 2.5mm 上边缘倒角。
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"""
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z0 = 0.0
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z1 = 22.0
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x_rear = -240.0
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x_front = 145.0
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x_len = x_front - x_rear # 385.0
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x_mid = (x_rear + x_front) / 2.0 # -47.5
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y_width = 240.0
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# 1. 主底盘 (385 x 240 x 22 mm)
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base_plate = (cq.Workplane("XY", origin=(x_mid, Y_COL, z0))
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.rect(x_len, y_width)
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.extrude(z1)
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.edges("|Z").fillet(18.0)
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.edges(">Z").fillet(2.5)).val()
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s = cq.Shape(base_plate.wrapped)
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# 2. 立柱外包加固套筒 (Z: 22.0..70.0 mm, 外廓 80x80mm)
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z_collar_top = 70.0
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collar_outer = (cq.Workplane("XY", origin=(X_COL, Y_COL, z1))
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.rect(80.0, 80.0)
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.extrude(z_collar_top - z1)
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.edges("|Z").fillet(8.0)
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.edges(">Z").chamfer(2.0)).val()
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s = s.fuse(cq.Shape(collar_outer.wrapped))
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# 3. 前向抗倾翻三角加强斜撑筋 (Front Triangular Gusset Rib)
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f_pts = [
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(-75.0, z1),
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(-15.0, z1),
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(-15.0, z1 + 4.0),
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(-75.0, 68.0),
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]
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f_rib = (cq.Workplane("XZ", origin=(0, Y_COL, 0))
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.polyline(f_pts).close()
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.extrude(19.0, both=True)).val()
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s = s.fuse(cq.Shape(f_rib.wrapped))
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# 4. 后向抗倾翻三角加强斜撑筋 (Rear Triangular Gusset Rib)
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r_pts = [
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(-155.0, z1),
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(-225.0, z1),
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(-225.0, z1 + 4.0),
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(-155.0, 70.0),
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]
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r_rib = (cq.Workplane("XZ", origin=(0, Y_COL, 0))
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.polyline(r_pts).close()
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.extrude(19.0, both=True)).val()
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s = s.fuse(cq.Shape(r_rib.wrapped))
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# 5. 前斜撑表面走线导槽 (与 P01 前走线窗 Z=70..140mm 自然顺接)
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wire_guide_pts = [
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(-75.5, z1 + 1.0),
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(-14.0, z1 + 1.0),
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(-14.0, z1 + 4.0),
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(-75.5, 68.5),
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]
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wire_guide = (cq.Workplane("XZ", origin=(0, Y_COL, 0))
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.polyline(wire_guide_pts).close()
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.extrude(9.0, both=True)).val()
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s = s.cut(wire_guide)
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# 6. 立柱深插槽内腔 (Pocket: 66.6 x 66.6 mm, 留 0.3mm 精密滑配间隙)
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socket_box = (cq.Workplane("XY", origin=(X_COL, Y_COL, 10.0))
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.rect(66.6, 66.6)
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.extrude(z_collar_top - 10.0 + 1.0)
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.edges("|Z").fillet(6.3)).val()
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s = s.cut(socket_box)
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# 7. 4x M5 底部垂直紧固螺栓孔与沉孔
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for xx in (X_COL - 21.0, X_COL + 21.0):
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for yy in (Y_COL - 21.0, Y_COL + 21.0):
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th = cyl(2.75, -0.01, 10.5, xx, yy)
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cb = cyl(5.0, -0.01, 6.0, xx, yy)
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s = s.cut(th).cut(cb)
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# 8. 6 组 M6 工业工作台紧固腰槽 (28 x 7 mm)
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|
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|
|
slot_positions = [
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|
(-215.0, Y_COL - 85.0), (-215.0, Y_COL + 85.0), # 后部两角
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|
(-47.5, Y_COL - 95.0), (-47.5, Y_COL + 95.0), # 中部两侧
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|
(120.0, Y_COL - 85.0), (120.0, Y_COL + 85.0), # 前部两角
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|
|
]
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|
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|
|
for cx, cy in slot_positions:
|
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|
|
plane = cq.Plane(origin=(cx, cy, -0.01), xDir=(0, 1, 0), normal=(0, 0, 1))
|
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|
|
slot = cq.Workplane(plane).slot2D(28.0, 7.0).extrude(z1 + 1.0).val()
|
|
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|
|
|
s = s.cut(slot)
|
|
|
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|
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|
|
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|
|
# 9. 底部隐蔽走线通槽
|
|
|
|
|
|
wire_ch = (cq.Workplane("XY", origin=(X_COL, Y_COL - 80.0, -0.01))
|
|
|
|
|
|
.rect(28.0, 100.0)
|
|
|
|
|
|
.extrude(6.0)).val()
|
|
|
|
|
|
s = s.cut(wire_ch)
|
|
|
|
|
|
return s
|
|
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|
|
JOINT = 'root'
|
|
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|
|
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|
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|
|
|
|
|
def specs(JS):
|
|
|
|
|
|
"""本件的 (件号, 中文名, 构建 thunk, 配色, 说明) 清单；顺序即 BOM 顺序。"""
|
|
|
|
|
|
p02_c, p02_f, p02_r = make_p02_poka_yoke()
|
|
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|
|
|
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|
|
return [
|
|
|
|
|
|
("P02_Center_底座中核心_螺旋体30%_墙5底6_平打", "底座核心承力座", lambda: p02_c, 0x475569,
|
|
|
|
|
|
"200mm适配中座：195x190mm核心承力座+48mm套筒+12mm阶梯榫座(轴向面承载)+前后三角加强筋+前后非对称防呆母榫槽+刻字"),
|
|
|
|
|
|
("P02_Front_前向防翻力臂_螺旋体30%_墙4底5_平打", "前向防翻力臂", lambda: p02_f, 0xe11d48,
|
|
|
|
|
|
"200mm适配前臂：145x190mm扩展力臂+104mm宽跨距双公榫+底部M5预埋螺母沉槽+P02-FRONT刻字"),
|
|
|
|
|
|
("P02_Rear_后向防翻力臂_螺旋体30%_墙4底5_平打", "后向防翻力臂", lambda: p02_r, 0xd97706,
|
|
|
|
|
|
"200mm适配后臂：45x190mm扩展力臂+80mm窄跨距双公榫+底部M5预埋螺母沉槽+P02-REAR刻字"),
|
|
|
|
|
|
]
|
