89 行
3.2 KiB
Python
89 行
3.2 KiB
Python
# -*- coding: utf-8 -*-
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u"""算外壳各件两两之间的**贴合面**，为螺丝位置提供依据。
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判据：两件在某一轴上「一个的 max ≈ 另一个的 min」（间隙 < 0.05），
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且在另外两轴上有实际重叠 ⇒ 这两个面是贴合的，重叠矩形就是可打螺丝的区域。
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外壳五件（装配坐标）：
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Tray_v7 x −4~102 y −4~102 z −12.4~0
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EndPlate ×2 x −27.4~0 / 98~125.4 y −1.655~104.345 z −10~72
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SouthPanel x −27.4~125.4 y −4.055~−1.655 z −10~72
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NorthPanel x −27.4~125.4 y 104.345~106.745 z −10~72
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TopPanel_v2 x −27.4~125.4 y −4~102 z 72~74.4
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"""
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import io
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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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ASM = 'PhoneRail_5blades'
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SHELL = ('TRAY', 'ENDPLATE', 'SOUTHPANEL', 'NORTHPANEL', 'TOPPANEL')
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AX = 'xyz'
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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 P(*a):
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print(*a)
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app = wc.GetActiveObject('SldWorks.Application')
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doc = None
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for d in app.GetDocuments or []:
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if ASM in (prop(d, 'GetTitle') or ''):
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doc = d
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break
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if doc is None:
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P(u'⛔ 没找到总装'); sys.exit(3)
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e0 = wc.VARIANT(pythoncom.VT_BYREF | pythoncom.VT_I4, 0)
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app.ActivateDoc3(prop(doc, 'GetTitle'), False, 0, e0)
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doc = app.ActiveDoc
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parts = []
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for c in doc.GetComponents(True):
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nm = prop(c, 'Name2')
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if any(k in nm.upper() for k in SHELL):
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b = [round(v * 1000, 3) for v in c.GetBox(False, False)]
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parts.append((nm, b))
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parts.sort()
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P(u'外壳件 %d 个：' % len(parts))
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for nm, b in parts:
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P(u' %-18s x %8.2f~%8.2f y %8.2f~%8.2f z %8.2f~%8.2f'
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% (nm[:18], b[0], b[3], b[1], b[4], b[2], b[5]))
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def ov(a0, a1, b0, b1):
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lo, hi = max(a0, b0), min(a1, b1)
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return (lo, hi) if hi - lo > 0.01 else None
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P(u'\n贴合面（可打螺丝的区域）：')
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found = 0
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for i in range(len(parts)):
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for j in range(i + 1, len(parts)):
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na, ba = parts[i]
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nb, bb = parts[j]
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for ax in range(3):
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o1 = ov(ba[(ax + 1) % 3], ba[(ax + 1) % 3 + 3], bb[(ax + 1) % 3], bb[(ax + 1) % 3 + 3])
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o2 = ov(ba[(ax + 2) % 3], ba[(ax + 2) % 3 + 3], bb[(ax + 2) % 3], bb[(ax + 2) % 3 + 3])
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if not (o1 and o2):
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continue
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for tag, gap in ((u'%s.max=%s.min' % (na[:12], nb[:12]), abs(ba[ax + 3] - bb[ax])),
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(u'%s.max=%s.min' % (nb[:12], na[:12]), abs(bb[ax + 3] - ba[ax]))):
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if gap < 0.05:
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found += 1
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a1n, a2n = AX[(ax + 1) % 3], AX[(ax + 2) % 3]
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P(u' %-28s 沿 %s 贴合' % (tag, AX[ax]))
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P(u' 重叠区 %s %.2f~%.2f (%.1f) × %s %.2f~%.2f (%.1f)'
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% (a1n, o1[0], o1[1], o1[1] - o1[0], a2n, o2[0], o2[1], o2[1] - o2[0]))
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if not found:
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P(u' ⚠ 一处贴合面都没有 —— 各板之间是悬空的，螺丝无处可打')
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P(u'\n⇒ 螺丝方案要点：贴合区太窄（< 8 mm）就打不下 M3 沉头，')
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P(u' 需要在端板/托盘上加凸台（boss）把贴合面加宽。')
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