建立方向盘项目初始版本

models/kfl_125_switch60_concept/DONE.txt

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+ok

models/kfl_125_switch60_concept/geometry_check.txt

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+CONCEPT ONLY; NOT ASSEMBLY FIT VALIDATION.
+Both flanges: disc OD57 thickness4, 6x PCD48 5.5 clearance; hub OD30 protrudes 20 from the base. Mirrored.
+Shaft nominal 12 x 125; z=-181.5..-56.5; motor hub z=-70..-50; motor insertion 13.5mm assumed and axial gap to base 6.5mm.
+Wheel hub z=-188..-168, front plate z=-192..-188; hub engagement 13.5 mm; plate bore overlap 0.0 mm (this is not extra key engagement).
+Rear bearing retained; front bearing shifted 12mm to wheel; switch 60mm with 1mm nominal gap on each side, cam shifted 6mm; rear/front hub clearance to simplified outer bearing 0.5mm nominal.
+KFL approximate 48 bolt pitch and 14.5 inner width, housing/protrusion guessed; 8mm plate 30.2 hole guessed; 60mm switch/wire envelope placeholder, its 47mm hole is an assumption.
+Wheel70 is real STEP, mirror/phase0, rear face in contact with front flange disc, PCD48 hole centers align nominally; bolt direction, washer and tool clearances not checked.
+Real converter/70 STEP hole OD4.234, fastener M4 feasible only with washers and actual size checks; M5 cannot pass nominally; hole intersections/phase and actual hardware must be checked.
+Shaft endpoint keys not modeled; front hub insertion alone does not establish permissible torque. Actual axial gap, M3 nut, alignments, float bearing arrangement, switch/fan/angles, bolt heads, tool accessibility, and fit/strength not verified.
+Checked positive-volume intersections of listed pairs only:
+Plate0 / KFLHousing0 = 0.000000 mm3
+Plate1 / KFLHousing1 = 0.000000 mm3
+Plate0 / KFLInner0 = 0.000000 mm3
+Plate1 / KFLInner1 = 0.000000 mm3
+SwitchEnvelope / CamUpper = 0.000000 mm3
+SwitchEnvelope / CamLower = 0.000000 mm3
+SwitchEnvelope / CamHardware0 = 0.000000 mm3
+SwitchEnvelope / CamHardware1 = 0.000000 mm3
+SwitchEnvelope / CamHardware2 = 0.000000 mm3
+SwitchEnvelope / CamHardware3 = 0.000000 mm3
+MotorFlange / Shaft = 0.000000 mm3
+WheelHub / Shaft = 0.000000 mm3
+WheelHub / 70Adapter = 0.000000 mm3
+Plate0 / Plate1 = 0.000000 mm3
+MotorFlange / RearBearing = 0.000000 mm3
+MotorFlange / RearInner = 0.000000 mm3
+MotorFlange / RearPlate = 0.000000 mm3
+WheelHub / FrontBearing = 0.000000 mm3
+WheelHub / FrontInner = 0.000000 mm3
+WheelHub / FrontPlate = 0.000000 mm3
+MotorFlange / Conversion = 0.000000 mm3
+SwitchEnvelope / Plate0 = 0.000000 mm3
+SwitchEnvelope / Plate1 = 0.000000 mm3
+SwitchEnvelope / KFLHousing0 = 0.000000 mm3
+SwitchEnvelope / KFLHousing1 = 0.000000 mm3
+Key / Shaft = 0.000000 mm3
+Key / CamUpper = 0.000000 mm3
+Key / CamLower = 0.000000 mm3
+CamUpper / Shaft = 0.000000 mm3
+CamLower / Shaft = 0.000000 mm3
+CamUpper / RearKFL = 0.000000 mm3
+CamUpper / FrontKFL = 0.000000 mm3
+CamLower / RearKFL = 0.000000 mm3
+CamLower / FrontKFL = 0.000000 mm3
+Shaft / Wheel70 = 0.000000 mm3
+WheelHub / SwitchEnvelope = 0.000000 mm3
+MotorFlange / SwitchEnvelope = 0.000000 mm3
+Wheel bolt path 0: shaft probe / flange 0.00000000 / 70plate 0.00000000 mm3
+Wheel bolt path 1: shaft probe / flange 0.00000000 / 70plate 0.00000000 mm3
+Wheel bolt path 2: shaft probe / flange 0.00000000 / 70plate 0.00000000 mm3
+Wheel bolt path 3: shaft probe / flange 0.00000000 / 70plate 0.00000000 mm3
+Wheel bolt path 4: shaft probe / flange 0.00000000 / 70plate 0.00000000 mm3
+Wheel bolt path 5: shaft probe / flange 0.00000000 / 70plate 0.00000000 mm3
+Motor bolt path 0: probe / flange 0.00000000 / converter 0.00000000 mm3
+Motor bolt path 1: probe / flange 0.00000000 / converter 0.00000000 mm3
+Motor bolt path 2: probe / flange 0.00000000 / converter 0.00000000 mm3
+Motor bolt path 3: probe / flange 0.00000000 / converter 0.00000000 mm3
+Motor bolt path 4: probe / flange 0.00000000 / converter 0.00000000 mm3
+Motor bolt path 5: probe / flange 0.00000000 / converter 0.00000000 mm3

models/kfl_125_switch60_concept/示意说明.md

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+# 125 mm 轴与开关 60 mm 空间：装配概念
+
+`125mm轴_60mm开关_装配示意.png` 是讨论用图，`Assembly.FCStd` / `Assembly.step` 是示意装配模型。该模型不能作为铝板 CNC 加工图或轴套打印定稿。
+
+## 相对上一版的变更
+
+- 电机、原电机侧法兰和靠近电机的后 KFL001 保持不动；前 KFL001、其铝板、方向盘侧法兰和 70 转接板一起向方向盘侧移动 12 mm。
+- 保留 Ø12 × 125 mm 轴，整根轴和轴套向方向盘侧移动 6 mm。模型两端法兰的凸台区内各有 **13.5 mm 名义轴向重叠**，轴端距相应法兰底盘内表面各 6.5 mm。轴和键的真实有效啮合、夹持及强度尚未验证。
+- 开关及接线按 **60 mm 轴向完整包络**示意。20 mm 轴套位于包络内部，不重复累加。两只 KFL 内圈名义中心距 76.5 mm，包络距两侧简化内圈端面各 1 mm。60 mm 是预留假设，实际接插件与线缆的空间、走向及弯曲半径尚未测得。
+- 示意 2020 前后梁从 190 mm 增长至 200 mm，确保其示意范围覆盖前移的铝板连接脚；长度仅作概念占位，不是切割尺寸。
+
+## 保留尺寸和假设
+
+- 两端法兰同样按底盘 Ø57 × 4 mm、凸台 Ø30 × 20 mm、6 孔 PCD48 示意。凸台 20 mm 从底盘外表面起算；两端法兰到简化轴承壳体各留 0.5 mm 名义轴向间隙，实际旋转及装配余量需确认。
+- 灯光开关以半透明 110 × 80 × 60 mm 长方体示意，内部 Ø47 mm 孔仅为视觉假设。没有按照片重建实际外形、白色回正机构、线缆及弯曲，不能说明 Ø43.54 mm 拨片能转动或回正。
+- 两只 KFL001 的安装孔距名义 48 mm，内圈轴向宽度按 14.5 mm。轴承凸起外径约 29 mm 和 8 mm 铝板的 Ø30.2 mm 孔仅为占位，实际轴承、顶丝及铝板孔形未确定。轴承内圈和开关包络的 1 mm 间隙、法兰到轴承壳体 0.5 mm 间隙仅为名义值。
+- 已有电机、编码器、转换盘和 70 盘仍按先前模型显示；电机正面凸台尺寸、法兰通孔、M3 中心螺母和 125 mm 轴两端的键槽均未实测或未建模。键槽长度、两个轴承的轴向定位及浮动、装配同轴度和受力仍需设计确认。
+- 转换盘和 70 转接板 STEP 孔径约 Ø4.234 mm，不能仅因法兰 M5 通孔而假设 M5 螺丝可以穿过；M4、垫圈、夹紧力和工具空间要结合实物核对。
+
+## 检查范围
+
+`geometry_check.txt` 列出选定实体之间的正体积交叉检查：轴承/铝板、法兰/简化轴承、轴套/假设开关包络、键/轴/轴套、轴和 70 盘等显示零交叉；盘的 12 个 PCD48 孔只用直径 2 mm 中心探针检查，未验证实际螺丝、螺母、垫圈和工具轨迹。图中的零交叉仅说明假设几何彼此未重叠，不证明实物能装配、旋转、受力或安全运行。