R2：底板 / 刀片布局布线脚本、快照、截图与规划文档更新（含外壳、打印件、布线归档）
Co-Authored-By: Claude Opus 5.5 <[email protected]>
这个提交包含在：
zhou yang
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# -*- coding: utf-8 -*-
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u"""**底盖 v4**（2026-09-13 外观美化 A + E）。
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与 v3 的差别：
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A 四边**内缩 0.5**：外形 x −24.3~115.4、y −3.555~106.245（顶盖外沿 −24.8~115.9 / −4.055~106.745），
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接缝处形成一圈 0.5 阴影缝，藏住两件的打印公差；四角圆角用 R2.5（与顶盖 R3 同心）——圆角由 add_fillets 后做。
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E **加厚 2.4 → 3.6**（向下长，底盖顶面仍在 z=−10，机内尺寸不变；整机高 +1.2）：
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· 四角 M3 过孔下方挖**沉头 Ø6.5 深 2.0**，螺丝头不外露，头下还剩 1.6（2.4 厚时只剩 0.4，会压裂）
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· 4 个**脚垫窝 Ø10 深 1.0**（贴 Ø10 硅胶脚垫），放在螺丝内侧、不盖住螺丝 ⇒ 拆盖不用撕脚垫
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PCB 立柱、柱顶螺母孔、四角过孔位置与 v3 相同。
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本地坐标：板 z −3.6~0、立柱 0~10；装配 dz = −10 ⇒ 板 z −13.6~−10。
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面上切除沿用 NOTES §37：进草图后读 ModelToSketchTransform 验平面，再按变换精确画。
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"""
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import io
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import math
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import os
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import sys
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sys.stdout = io.TextIOWrapper(sys.stdout.buffer, encoding='utf-8', write_through=True)
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import pythoncom
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import win32com.client as wc
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DST = u'D:\\DCDC\\新建文件夹\\5blades\\BottomPlate_v4.SLDPRT'
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EMPTY = wc.VARIANT(pythoncom.VT_DISPATCH, None)
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INSET = 0.5
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X0, X1, Y0, Y1 = -24.8 + INSET, 115.9 - INSET, -4.055 + INSET, 106.745 - INSET
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T = 3.6
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CORNER_HOLES = [(-11.0, 3.345), (-11.0, 99.345), (108.5, 3.345), (108.5, 99.345)]
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R_THRU = 1.7
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CB_R, CB_D = 3.25, 2.0 # 沉头 Ø6.5 深 2
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PCB_POSTS = [(4.0, 4.0), (94.0, 4.0), (4.0, 94.0), (94.0, 94.0)]
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POST_R, POST_H, R_INS = 4.0, 10.0, 2.1
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FOOT_R, FOOT_D = 5.0, 1.0 # 脚垫窝 Ø10 深 1
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_XC, _YC = (X0 + X1) / 2.0, 51.345
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FEET = [(_XC - 45.0, _YC - 43.0), (_XC + 45.0, _YC - 43.0), (_XC - 45.0, _YC + 43.0), (_XC + 45.0, _YC + 43.0)]
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def prop(o, n):
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v = getattr(o, n)
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return v() if type(v).__name__ in ('method', 'function', 'builtin_function_or_method') else v
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def D(x):
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return x if hasattr(x, '_oleobj_') else wc.Dispatch(x)
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def P(*a):
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print(*a)
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def M(v):
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return v / 1000.0
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app = wc.GetActiveObject('SldWorks.Application')
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for d in list(app.GetDocuments or []):
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try:
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t = prop(d, 'GetTitle') or ''
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if 'BOTTOMPLATE_V4' in t.upper():
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app.CloseDoc(t)
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except Exception:
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pass
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app.NewDocument(app.GetUserPreferenceStringValue(8), 0, 0.0, 0.0)
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part = app.ActiveDoc
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P(u'新建零件 %s' % prop(part, 'GetTitle'))
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sm, fm = part.SketchManager, part.FeatureManager
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def last_sketch():
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nm, f = None, prop(part, 'FirstFeature')
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while f:
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if prop(f, 'GetTypeName2') == 'ProfileFeature':
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nm = prop(f, 'Name')
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f = prop(f, 'GetNextFeature')
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return nm
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def pick(name, typ):
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part.ClearSelection2(True)
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part.Extension.SelectByID2(name, typ, 0, 0, 0, False, 0, EMPTY, 0)
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return part.SelectionManager.GetSelectedObjectCount2(-1)
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def boss(depth, rev):
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if pick(last_sketch(), 'SKETCH') != 1:
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raise RuntimeError(u'草图没选中')
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return fm.FeatureExtrusion3(True, False, rev, 0, 0, M(depth), 0.0,
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False, False, False, False, 0.0, 0.0,
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False, False, False, False, True, True, True, 0, 0.0, False)
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def bodies():
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return part.GetBodies2(0, True) or []
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def faces():
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b = bodies()
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return prop(D(b[0]), 'GetFaces') if b else []
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def bbox():
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b = bodies()
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if not b:
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return None
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xs = [[round(v * 1000, 3) for v in prop(D(x), 'GetBodyBox')] for x in b]
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return [min(v[0] for v in xs), min(v[1] for v in xs), min(v[2] for v in xs),
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max(v[3] for v in xs), max(v[4] for v in xs), max(v[5] for v in xs)]
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def cyls():
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out = []
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for f in faces():
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fc = D(f)
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s = prop(fc, 'GetSurface')
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if prop(s, 'IsCylinder'):
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fb = [v * 1000 for v in prop(fc, 'GetBox')]
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out.append((round(list(prop(s, 'CylinderParams'))[6] * 1000, 2), fb))
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return out
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def planes():
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out = []
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for f in faces():
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fc = D(f)
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s = prop(fc, 'GetSurface')
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if not prop(s, 'IsPlane'):
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continue
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n = list(prop(s, 'PlaneParams'))[:3]
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if prop(fc, 'FaceInSurfaceSense'):
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n = [-v for v in n]
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ax = max(range(3), key=lambda i: abs(n[i]))
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out.append((ax, 1 if n[ax] > 0 else -1, [v * 1000 for v in prop(fc, 'GetBox')], prop(fc, 'GetArea') * 1e6, fc))
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return out
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def open_face_sketch(ax, sign, coord, tag):
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for attempt in range(1, 4):
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best, ba = None, -1.0
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for a_, s_, fb, area, fc in planes():
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if a_ == ax and s_ == sign and abs(fb[ax] - coord) < 0.02 and abs(fb[ax + 3] - coord) < 0.02 and area > ba:
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best, ba = fc, area
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if best is None:
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P(u' ⛔ %s 选不到面' % tag); sys.exit(4)
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part.ClearSelection2(True)
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best.Select4(False, EMPTY)
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sm.InsertSketch(True)
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sk = prop(sm, 'ActiveSketch')
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if sk:
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arr = list(prop(D(sk), 'ModelToSketchTransform').ArrayData)
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Mx = [[arr[3 * c + r] for c in range(3)] for r in range(3)]
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X = (Mx, arr[9:12])
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nax = max(range(3), key=lambda i: abs(Mx[2][i]))
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probe = [0.0, 0.0, 0.0]
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probe[ax] = coord / 1000.0
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sz = (sum(Mx[2][i] * probe[i] for i in range(3)) + arr[11]) * 1000
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ok = nax == ax and abs(sz) < 0.01
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P(u' %s 进草图 第 %d 次：法线轴 %s、面上点草图 z=%.4f %s'
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% (tag, attempt, 'xyz'[nax], sz, u'✅' if ok else u'✗ 退出重进'))
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if ok:
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return X
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sm.InsertSketch(True)
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P(u' ⛔ %s 进不到目标面' % tag); sys.exit(4)
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def to_sketch(X, p):
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Mx, t = X
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q = [v / 1000.0 for v in p]
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return [sum(Mx[r][c] * q[c] for c in range(3)) + t[r] for r in range(3)]
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def cut(depth):
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if pick(last_sketch(), 'SKETCH') != 1:
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return None
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return fm.FeatureCut4(True, False, False, 0, 0, M(depth), 0.0,
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False, False, False, False, 0.0, 0.0,
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False, False, False, False, False,
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True, True, False, False, False, 0, 0.0, False, False)
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P(u'\n[1] 平板 %.1f × %.1f × %.1f（四边内缩 %.1f）+ 四角 Ø%.1f 过孔' % (X1 - X0, Y1 - Y0, T, INSET, 2 * R_THRU))
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pick(u'前视基准面', 'PLANE')
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sm.InsertSketch(True)
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sm.AddToDB = True
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sm.CreateCornerRectangle(M(X0), M(Y0), 0.0, M(X1), M(Y1), 0.0)
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for hx, hy in CORNER_HOLES:
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sm.CreateCircleByRadius(M(hx), M(hy), 0.0, M(R_THRU))
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sm.AddToDB = False
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sm.InsertSketch(True)
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boss(T, True)
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P(u' box %s' % bbox())
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P(u'\n[2] PCB 立柱 Ø%.0f × %.0f + 柱顶 Ø%.1f 螺母孔' % (2 * POST_R, POST_H, 2 * R_INS))
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pick(u'前视基准面', 'PLANE')
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sm.InsertSketch(True)
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sm.AddToDB = True
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for hx, hy in PCB_POSTS:
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sm.CreateCircleByRadius(M(hx), M(hy), 0.0, M(POST_R))
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sm.CreateCircleByRadius(M(hx), M(hy), 0.0, M(R_INS))
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sm.AddToDB = False
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sm.InsertSketch(True)
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boss(POST_H, False)
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b = bbox()
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P(u' box %s（期望 x %.1f~%.1f y %.3f~%.3f z %.1f~%.1f）' % (b, X0, X1, Y0, Y1, -T, POST_H))
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if b is None or any(abs(b[i] - w) > 0.02 for i, w in enumerate([X0, Y0, -T, X1, Y1, POST_H])):
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P(u'⛔ 停手'); sys.exit(2)
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for tag, pts, r, dep in ((u'沉头', CORNER_HOLES, CB_R, CB_D), (u'脚垫窝', FEET, FOOT_R, FOOT_D)):
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P(u'\n[3] 底面 %s ×4：Ø%.1f 深 %.1f' % (tag, 2 * r, dep))
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X = open_face_sketch(2, -1, -T, tag)
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sm.AddToDB = True
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for hx, hy in pts:
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q = to_sketch(X, (hx, hy, -T))
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sm.CreateCircleByRadius(q[0], q[1], 0.0, M(r))
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sm.AddToDB = False
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sm.InsertSketch(True)
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c = cut(dep)
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got = [fb for rr, fb in cyls() if abs(rr - r) < 0.01]
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okp = len(got) == 4 and all(abs(fb[2] + T) < 0.05 and abs(fb[5] - (-T + dep)) < 0.05 for fb in got) and \
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all(any(abs((fb[0] + fb[3]) / 2 - hx) < 0.05 and abs((fb[1] + fb[4]) / 2 - hy) < 0.05 for fb in got) for hx, hy in pts)
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P(u' 切除 → %r；R%.2f 圆柱面 %d 个，z %.1f~%.1f、圆心在位 %s'
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% (prop(c, 'Name') if c else c, r, len(got), -T, -T + dep, u'✅' if okp else u'⛔'))
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if not okp:
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P(u'⛔ 不存盘'); sys.exit(3)
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h = {}
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for rr, fb in cyls():
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h[rr] = h.get(rr, 0) + 1
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thru = [fb for rr, fb in cyls() if abs(rr - R_THRU) < 0.01]
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ins = [fb for rr, fb in cyls() if abs(rr - R_INS) < 0.01]
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P(u'\n[4] 验收 直方图 %s（期望 {1.7: 4, 2.1: 4, 3.25: 4, 4.0: 4, 5.0: 4}）' % dict(sorted(h.items())))
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ok_thru = len(thru) == 4 and all(abs(fb[2] - (-T + CB_D)) < 0.05 and abs(fb[5]) < 0.05 for fb in thru)
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ok_ins = len(ins) == 4 and all(abs(fb[2]) < 0.05 and abs(fb[5] - POST_H) < 0.05 for fb in ins)
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P(u' 过孔 z %.1f~0（沉头以上 1.6 实体）%s；柱顶螺母孔 z 0~10 盲孔 %s'
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% (-T + CB_D, u'✅' if ok_thru else u'⛔', u'✅' if ok_ins else u'⛔'))
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want = {1.7: 4, 2.1: 4, 3.25: 4, 4.0: 4, 5.0: 4}
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if not (ok_thru and ok_ins) or any(h.get(k, 0) != v for k, v in want.items()):
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P(u'⛔ 不存盘'); sys.exit(3)
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e1 = wc.VARIANT(pythoncom.VT_BYREF | pythoncom.VT_I4, 0)
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w1 = wc.VARIANT(pythoncom.VT_BYREF | pythoncom.VT_I4, 0)
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part.Extension.SaveAs3(DST, 0, 1, EMPTY, EMPTY, e1, w1)
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P(u'\n另存 err=%s 存在=%s %.0f KB'
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% (e1.value, os.path.exists(DST), os.path.getsize(DST) / 1024.0 if os.path.exists(DST) else 0))
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