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建立方向盘项目初始版本

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billy
2026-10-29 22:04:55 +08:00
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models/pcd50_fit_concept/geometry_check.txt Normal file
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Concept only. PCD50 and PCD76 phase 45 deg assumed; 4x M4 Ø4.
PCD76 slot 9.5 x 5.5 assumed; angle brackets remain flush and shifted 2.00mm outwards.
Nominal M4 versus slot-end clearance: 0.75mm. 50 head Ø7 x 3 assumed.
76 washer Ø10x0.8 assumed; M4x8 gives nominal 4.2mm engagement, motor hole depth unknown.
0.5mm shim; 50 foot top 3.5mm; original PCB and magnet position unchanged.
Detected positive volumes >0.001mm3:
none in checked pairs
Tool access, Ø7.5 envelope from z6.51:
50 head 0: clear (model envelope only)
50 head 1: clear (model envelope only)
50 head 2: clear (model envelope only)
50 head 3: clear (model envelope only)
76 head -1,-1: clear (model envelope only)
76 head -1,+1: clear (model envelope only)
76 head +1,-1: clear (model envelope only)
76 head +1,+1: clear (model envelope only)
Sampled 50 head contact areas, mm2 (not strength): 17.56, 17.56, 17.56, 17.56