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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# v3 短机版：外形 x −24.8~115.9，四角过孔跟顶盖角柱到 x −11 / 108.5
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u"""**一整块底盖** BottomPlate_v3（2026-09-13 两件式外壳）。
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= 175.0 × 110.8 × 2.4 平板（与顶盖外形齐平）+ 底板 PCB 的 4 根 Ø8 × 10 立柱（柱顶 Ø4.2 螺母孔）
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+ 四角 4 个 Ø3.4 过孔（M3 从下往上拧进顶盖角柱底部的热熔螺母）。
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零件本地坐标 = 装配坐标平移 z +10：板占本地 z −2.4~0，立柱 0~10；装配时 dz = −10
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⇒ 板 z −12.4~−10（顶盖墙底落在 z=−10）、柱顶 z=0 = 底板 PCB 底面。
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与 Tray_v9 相比：外形放大到整机尺寸；取消端板锁孔（端板已并进顶盖）；
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取消南边两个 USB-C 缺口 —— 那是板面还在 z −2.4~0 时代的遗留，现在板面在 −10，
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离 Type-C 插入通道底 −3.25 还有 6.75，缺口已无意义。
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两种孔都画进拉伸草图一次成形（本机最可靠的路）：
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· 四角过孔画进 [1] 平板草图 ⇒ 通孔
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· 螺母孔画进 [2] 立柱草图 ⇒ 只穿立柱那 10 mm，底下平板没有孔 ⇒ 盲孔深 10
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"""
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import io
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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_v3.SLDPRT'
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EMPTY = wc.VARIANT(pythoncom.VT_DISPATCH, None)
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X0, X1, Y0, Y1 = -24.8, 115.9, -4.055, 106.745
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T = 2.4
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CORNER_HOLES = [(-11.0, 3.345), (-11.0, 99.345), (108.5, 3.345), (108.5, 99.345)] # = 顶盖角柱中心
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R_THRU = 1.7
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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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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_V3' 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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tmpl = app.GetUserPreferenceStringValue(8)
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app.NewDocument(tmpl, 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 bbox():
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b = part.GetBodies2(0, True) or []
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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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b = part.GetBodies2(0, True) or []
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for f in prop(D(b[0]), 'GetFaces') if b else []:
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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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P(u'\n[1] 平板 %.1f × %.1f × %.1f + 四角 Ø%.1f 过孔' % (X1 - X0, Y1 - Y0, T, 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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b = bbox()
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P(u' box %s' % b)
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if b is None or abs(b[2] + T) > 0.02 or abs(b[5]) > 0.02:
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P(u'⛔ 停手'); sys.exit(2)
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P(u'\n[2] 4 根 PCB 立柱 Ø%.0f × %.0f + 柱顶 Ø%.1f 螺母孔（盲孔）' % (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 z −2.4~10）' % b)
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cs = cyls()
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h = {}
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for r, _ in cs:
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h[r] = h.get(r, 0) + 1
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P(u' 圆柱面直方图 %s（期望 {1.7: 4, 2.1: 4, 4.0: 4}）' % dict(sorted(h.items())))
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ins = [fb for r, fb in cs if abs(r - R_INS) < 0.01]
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thru = [fb for r, fb in cs if abs(r - R_THRU) < 0.01]
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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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ok_thru = len(thru) == 4 and all(abs(fb[2] + T) < 0.05 and abs(fb[5]) < 0.05 for fb in thru)
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P(u' 螺母孔 z 0~10（盲，底下平板无孔）%s；四角过孔 z −2.4~0（通）%s'
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% (u'✅' if ok_ins else u'⛔', u'✅' if ok_thru else u'⛔'))
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if not (ok_ins and ok_thru and b and abs(b[5] - POST_H) < 0.02):
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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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