[
 {
  "件号": "P01_A_立柱下段_三角形30%_墙4底5_竖打",
  "名称": "立柱下段",
  "类型": "3D打印",
  "数量": 1,
  "体积cm3": 402.4,
  "质量g_PLA": 499.0,
  "包络": "[-148.0 95.0 10.0 .. -82.0 161.0 188.0] (66.0x66.0x178.0)",
  "说明": "200mm适配分段A：高166mm+16mm阶梯公榫+非对称M4防反装通孔+底部50x50x12榫头+P01-A 竖排TOP刻字"
 },
 {
  "件号": "P01_B_立柱中段_三角形30%_墙4底5_竖打",
  "名称": "立柱中段",
  "类型": "3D打印",
  "数量": 1,
  "体积cm3": 353.9,
  "质量g_PLA": 438.9,
  "包络": "[-148.0 95.0 172.0 .. -82.0 161.0 337.0] (66.0x66.0x165.0)",
  "说明": "200mm适配分段B：高165mm+双端公母榫+非对称M4防反装通孔+P01-B 竖排TOP刻字"
 },
 {
  "件号": "P01_C_立柱上段_三角形30%_墙4底5_竖打",
  "名称": "立柱上段",
  "类型": "3D打印",
  "数量": 1,
  "体积cm3": 305.3,
  "质量g_PLA": 378.5,
  "包络": "[-148.0 95.0 321.0 .. -82.0 161.0 470.0] (66.0x66.0x149.0)",
  "说明": "200mm适配分段C：高149mm+底端母榫+非对称M4防反装通孔+顶面P03安装台+P01-C 竖排TOP刻字"
 },
 {
  "件号": "P02_Center_底座中核心_螺旋体30%_墙5底6_平打",
  "名称": "底座核心承力座",
  "类型": "3D打印",
  "数量": 1,
  "体积cm3": 888.4,
  "质量g_PLA": 1101.6,
  "包络": "[-195.7 32.3 -0.0 .. 0.7 223.7 70.0] (196.3x191.3x70.0)",
  "说明": "200mm适配中座：195x190mm核心承力座+48mm套筒+12mm阶梯榫座(轴向面承载)+前后三角加强筋+前后非对称防呆母榫槽+刻字"
 },
 {
  "件号": "P02_Front_前向防翻力臂_螺旋体30%_墙4底5_平打",
  "名称": "前向防翻力臂",
  "类型": "3D打印",
  "数量": 1,
  "体积cm3": 613.5,
  "质量g_PLA": 760.8,
  "包络": "[-19.5 31.7 -0.0 .. 146.3 224.3 22.0] (165.8x192.6x22.0)",
  "说明": "200mm适配前臂：145x190mm扩展力臂+104mm宽跨距双公榫+底部M5预埋螺母沉槽+P02-FRONT刻字"
 },
 {
  "件号": "P02_Rear_后向防翻力臂_螺旋体30%_墙4底5_平打",
  "名称": "后向防翻力臂",
  "类型": "3D打印",
  "数量": 1,
  "体积cm3": 190.4,
  "质量g_PLA": 236.1,
  "包络": "[-241.3 31.7 -0.0 .. -175.5 224.3 22.0] (65.8x192.6x22.0)",
  "说明": "200mm适配后臂：45x190mm扩展力臂+80mm窄跨距双公榫+底部M5预埋螺母沉槽+P02-REAR刻字"
 },
 {
  "件号": "P03_肩吊臂_螺旋体35%_墙5底5_竖打",
  "名称": "肩关节安装悬臂",
  "类型": "3D打印",
  "数量": 1,
  "体积cm3": 728.0,
  "质量g_PLA": 902.8,
  "包络": "[-148.0 91.0 455.0 .. 8.5 165.0 647.0] (156.5x74.0x192.0)",
  "说明": "高强多肋机架：10mm后置法兰+双侧8mm大三角加强筋+下腹12mm抗弯龙骨筋+侧开式电机托架(M1从+Y侧滑入装配,前后法兰8xM3双向锁死)+前置止脱锁紧法兰(4xM3止脱螺孔)+大散热窗与对流槽"
 },
 {
  "件号": "P04_肩叉_螺旋体30%_墙5底5_竖打",
  "名称": "肩叉",
  "类型": "3D打印",
  "数量": 1,
  "体积cm3": 346.5,
  "质量g_PLA": 429.7,
  "包络": "[-16.5 91.5 455.0 .. 53.5 164.5 646.5] (70.0x73.0x191.5)",
  "说明": "加长避让版：头部与身子前移加长至X=10.5，与P03锁紧法兰保持2.0mm轴向安全间隙（不做前移，保持输出端最短悬伸力臂），J1输出凸台贯通直连电机，J1从动法兰圆盘鼓楞已删（接缝区与P03止脱环齐径齐高R36.5/顶646.5），单实体全角度零干涉"
 },
 {
  "件号": "P05_大臂旋转座_螺旋体30%_墙4底5_竖打",
  "名称": "大臂旋转座",
  "类型": "3D打印",
  "数量": 1,
  "体积cm3": 159.5,
  "质量g_PLA": 197.8,
  "包络": "[-16.5 93.0 389.0 .. 53.5 174.0 525.0] (70.0x81.0x136.0)",
  "说明": "V3圆角：Loft外轮廓R=10mm，L型转角内部2mm倒角，后缘凸包两角90°竖棱磨R2圆角（结构/后缘高度不变，打印无悬挂），保证J2全角度0干涉"
 },
 {
  "件号": "P06_大臂骨架_螺旋体25%_墙4底5_竖打",
  "名称": "大臂骨架",
  "类型": "3D打印",
  "数量": 1,
  "体积cm3": 169.3,
  "质量g_PLA": 210.0,
  "包络": "[-16.5 88.8 297.0 .. 53.5 167.2 390.1] (70.0x78.4x93.1)",
  "说明": "Loft有机过渡版：借鉴P05圆弧变方形放样算法，顶端Ø70正圆与J3平齐无台阶，底端渐变融入M4抱紧套筒与壳体，单实体0干涉"
 },
 {
  "件号": "P07_小臂骨架_螺旋体30%_墙5底5_竖打",
  "名称": "小臂骨架",
  "类型": "3D打印",
  "数量": 1,
  "体积cm3": 289.1,
  "质量g_PLA": 358.5,
  "包络": "[-16.5 92.0 187.0 .. 53.5 174.0 367.0] (70.0x82.0x180.0)",
  "说明": "V2 L型结构：+Y侧背脊立柱避让大臂骨架，过渡区采用与顶板和立柱双相切的R=28mm平滑内凹大圆弧，彻底消除直斜线折角与悬空阶梯小块，顶板前后外缘2mm倒角改R3圆角，顶板整条加高19mm(z261->280)加强连接且gusset弧R28->R14重定相切融入，J4圆盘外沿与立柱外棱不倒圆保持原始尖角，下方M5电机半包散热，俯仰大范围自由运动零干涉"
 },
 {
  "件号": "P08_腕偏转座_螺旋体25%_墙4底5_竖打",
  "名称": "腕部转接座",
  "类型": "3D打印",
  "数量": 1,
  "体积cm3": 160.0,
  "质量g_PLA": 198.4,
  "包络": "[-16.5 93.0 120.0 .. 53.5 174.0 257.0] (70.0x81.0x137.0)",
  "说明": "V2圆角：Loft外轮廓R=10mm，L型转角内部2mm倒角，彻底清除立壁保证J5全角度0干涉"
 },
 {
  "件号": "P09_工具法兰_螺旋体100%_墙4底5_竖打",
  "名称": "末端工具法兰",
  "类型": "3D打印",
  "数量": 1,
  "体积cm3": 98.8,
  "质量g_PLA": 122.5,
  "包络": "[-16.5 93.0 93.0 .. 53.5 163.0 121.1] (70.0x70.0x28.1)",
  "说明": "V2圆角：外轮廓R=3mm，法兰面倒角2mm"
 },
 {
  "件号": "M1_J1",
  "名称": "J1 电机模组",
  "类型": "已有/电机",
  "数量": 1,
  "体积cm3": 116.4,
  "质量g_PLA": 144.4,
  "包络": "[-51.0 96.2 578.3 .. 5.0 159.8 641.9] (56.0x63.6x63.6)",
  "说明": "复用 电机.STEP"
 },
 {
  "件号": "M2_J2",
  "名称": "J2 电机模组",
  "类型": "已有/电机",
  "数量": 1,
  "体积cm3": 116.4,
  "质量g_PLA": 144.4,
  "包络": "[-13.3 100.0 458.1 .. 50.3 156.0 521.7] (63.6x56.0x63.6)",
  "说明": "复用 电机.STEP"
 },
 {
  "件号": "M3_J3",
  "名称": "J3 电机模组",
  "类型": "已有/电机",
  "数量": 1,
  "体积cm3": 116.4,
  "质量g_PLA": 144.4,
  "包络": "[-13.3 96.1 389.0 .. 50.3 159.7 445.0] (63.6x63.6x56.0)",
  "说明": "复用 电机.STEP"
 },
 {
  "件号": "M4_J4",
  "名称": "J4 电机模组",
  "类型": "已有/电机",
  "数量": 1,
  "体积cm3": 116.4,
  "质量g_PLA": 144.4,
  "包络": "[-13.3 100.0 300.1 .. 50.3 156.0 363.7] (63.6x56.0x63.6)",
  "说明": "复用 电机.STEP"
 },
 {
  "件号": "M5_J5",
  "名称": "J5 电机模组",
  "类型": "已有/电机",
  "数量": 1,
  "体积cm3": 116.4,
  "质量g_PLA": 144.4,
  "包络": "[-13.3 100.0 190.1 .. 50.3 156.0 253.7] (63.6x56.0x63.6)",
  "说明": "复用 电机.STEP"
 },
 {
  "件号": "M6_J6",
  "名称": "J6 电机模组",
  "类型": "已有/电机",
  "数量": 1,
  "体积cm3": 116.4,
  "质量g_PLA": 144.4,
  "包络": "[-13.3 96.1 120.0 .. 50.3 159.7 176.0] (63.6x63.6x56.0)",
  "说明": "复用 电机.STEP"
 }
]