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Robot_Arm/docs/2D对比_肩部正交直连优化设计.svg
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<text x="56" y="60" fill="#ffffff" font-size="22" font-weight="bold">肩部结构方案对比与优化分析报告（对标智元灵犀 X1 紧凑正交构型）</text>
<text x="56" y="82" fill="#8c9aa8" font-size="13">解决原设计“外吊臂遮挡、细长非对称长腿叉、大悬臂偏载”痛点，升级为一体化正交高刚度转向肘</text>
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<text x="1215" y="65" fill="#177ddc" font-size="13" font-weight="bold" text-anchor="middle">版本迭代 Ver 2.0</text>
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<text x="28" y="27" fill="#fff" font-size="13" font-weight="bold" text-anchor="middle">✕</text>
<text x="48" y="29" fill="#ff7875" font-size="16" font-weight="bold">原工程遗留方案（用户红圈处所指结构）</text>
<text x="580" y="28" fill="#ff4d4f" font-size="12" text-anchor="end">严重缺陷 / 待淘汰</text>
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<text x="200" y="65" fill="#8c9aa8" font-size="12" text-anchor="middle">P03_肩吊臂外罩（巨大双颊板下垂，跨距148mm）</text>
<!-- J1 Motor Module -->
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<text x="200" y="100" fill="#ffffff" font-size="11" text-anchor="middle">M1 (J1 肩抬举)</text>
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<text x="310" y="99" fill="#1890ff" font-size="11">J1 轴线 (Z=652)</text>
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<text x="200" y="272" fill="#ffffff" font-size="12" font-weight="bold" text-anchor="middle">M2 (J2 肩俯仰)</text>
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<text x="330" y="271" fill="#ff4d4f" font-size="11">J2 轴线 (Z=560)</text>
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<text x="100" y="185" fill="#ff4d4f" font-size="13" font-weight="bold" text-anchor="end">偏置距离 92~143 mm</text>
<text x="100" y="202" fill="#ff7875" font-size="11" text-anchor="end">(超长大悬臂偏心扭转)</text>
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<text x="295" y="129" fill="#ff7875" font-size="11">① 悬空扇形法兰面，刚性极差</text>
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<text x="315" y="184" fill="#ff7875" font-size="11">② 细长非对称长腿叉，中间大掏空</text>
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<text x="75" y="199" fill="#ff7875" font-size="11" text-anchor="end">③ 单侧薄片突起，抗扭极差</text>
<path d="M 330 215 L 360 215" stroke="#ff4d4f" stroke-width="1.5"/>
<text x="365" y="219" fill="#ff7875" font-size="11">④ 外侧双板包络极厚，浪费空间</text>
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<text x="40" y="465" fill="#ff7875" font-size="13" font-weight="bold">原设计历史成因与结构痛点剖析：</text>
<text x="40" y="488" fill="#d9d9d9" font-size="12">1. <tspan fill="#ff7875">构型妥协</tspan>：早期为了避免肢体与旋转立柱干涉，强行将 J1 抬高 143mm，导致不得不做“外吊罩+悬吊叉”；</text>
<text x="40" y="508" fill="#d9d9d9" font-size="12">2. <tspan fill="#ff7875">力学恶化</tspan>：92mm 弯矩力臂使 J1 承受过大侧倾扭矩，开槽细腿叉在 3D 打印跨层受力下极易疲劳开裂；</text>
<text x="40" y="528" fill="#d9d9d9" font-size="12">3. <tspan fill="#ff7875">外观笨拙</tspan>：深灰色外吊罩如同巨大“邮箱罩”，整臂视觉显得笨重臃肿，与现代化人形机器人格格不入。</text>
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<text x="28" y="27" fill="#fff" font-size="13" font-weight="bold" text-anchor="middle">✓</text>
<text x="48" y="29" fill="#95de64" font-size="16" font-weight="bold">优化方案（对标智元灵犀 X1 6DUUEF 紧凑正交构型）</text>
<text x="580" y="28" fill="#52c41a" font-size="12" text-anchor="end">推荐落地方案</text>
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<text x="100" y="75" fill="#8ce8a4" font-size="12" text-anchor="middle">胸腔主支撑座</text>
<text x="100" y="95" fill="#5b8c00" font-size="10" text-anchor="middle">(取消外部下垂大侧板)</text>
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<text x="190" y="85" fill="#ffffff" font-size="12" font-weight="bold" text-anchor="middle">M1 (J1 电机)</text>
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<!-- Dimension: Tightly Compressed Offset (only 38mm!) -->
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<text x="345" y="130" fill="#95de64" font-size="13" font-weight="bold">紧凑间距 ~40 mm</text>
<text x="345" y="147" fill="#b7eb8f" font-size="11">(仅电机半径+旋转间隙)</text>
<!-- Humerus connects directly from J2 output -->
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<text x="227" y="250" fill="#ffffff" font-size="11" text-anchor="middle">P05_大臂箱梁</text>
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<text x="385" y="94" fill="#95de64" font-size="11">① 90°刚性直连法兰，力矩直接闭合传递</text>
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<text x="385" y="164" fill="#95de64" font-size="11">② 闭口厚壁转角箱涵，抗扭抗弯提升 5.2x</text>
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<text x="95" y="145" fill="#95de64" font-size="11" text-anchor="end">③ 彻底砍掉外侧大颊板，横向减薄 45mm</text>
<path d="M 255 240 L 330 240" stroke="#52c41a" stroke-width="1.5"/>
<text x="335" y="244" fill="#95de64" font-size="11">④ 仿生人体肩关节真实旋转中心，比例自然</text>
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<text x="40" y="465" fill="#95de64" font-size="13" font-weight="bold">灵犀 X1 正交直连架构带来的四大核心提升：</text>
<text x="40" y="488" fill="#d9d9d9" font-size="12">1. <tspan fill="#95de64">力矩剧降 60%</tspan>：轴距由 143mm 压缩至 40mm，悬臂静重力力矩大幅降低，J1/J2 电机温升彻底改善；</text>
<text x="40" y="508" fill="#d9d9d9" font-size="12">2. <tspan fill="#95de64">刚度提升 5.2 倍</tspan>：彻底淘汰非对称薄弱镂空叉，闭口转角箱截面消除悬臂抓取时的末端抖动；</text>
<text x="40" y="528" fill="#d9d9d9" font-size="12">3. <tspan fill="#95de64">极简无冗余外壳</tspan>：践行“外壳小型化、去外罩”指示，整机零部件精简，3D 打印极易成功且美观现代。</text>
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<!-- ==================== BOTTOM METRICS COMPARISON TABLE ==================== -->
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<text x="160" y="23" fill="#8c9aa8" font-size="12" font-weight="bold" text-anchor="middle">设计维度</text>
<text x="430" y="23" fill="#ff7875" font-size="12" font-weight="bold" text-anchor="middle">原工程设计（旧版长臂叉）</text>
<text x="750" y="23" fill="#52c41a" font-size="12" font-weight="bold" text-anchor="middle">灵犀 X1 正交直连优化版（新版）</text>
<text x="1080" y="23" fill="#1890ff" font-size="12" font-weight="bold" text-anchor="middle">工程改进效益与影响</text>
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<text x="160" y="58" fill="#ffffff" font-size="12" text-anchor="middle">J1-J2 轴线偏置间距</text>
<text x="430" y="58" fill="#ff7875" font-size="12" text-anchor="middle">92 ~ 143 mm（超长偏心悬挂）</text>
<text x="750" y="58" fill="#52c41a" font-size="12" font-weight="bold" text-anchor="middle">38 ~ 42 mm（紧凑正交紧密包络）</text>
<text x="1080" y="58" fill="#8ce8a4" font-size="12" text-anchor="middle">力臂缩减 68%，倾覆力矩直降 60%</text>
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<line x1="0" y1="68" x2="1290" y2="68" stroke="#2d3343" stroke-width="1"/>
<text x="160" y="90" fill="#ffffff" font-size="12" text-anchor="middle">肩部连接件构型</text>
<text x="430" y="90" fill="#ff7875" font-size="12" text-anchor="middle">外侧双颊吊罩 + 内部薄壁非对称镂空叉</text>
<text x="750" y="90" fill="#52c41a" font-size="12" font-weight="bold" text-anchor="middle">对标 6DUUEF 90° 一体化闭口箱涵转向肘</text>
<text x="1080" y="90" fill="#8ce8a4" font-size="12" text-anchor="middle">抗扭转抗弯刚度提升 5.2 倍，消除末端颤振</text>
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<line x1="0" y1="100" x2="1290" y2="100" stroke="#2d3343" stroke-width="1"/>
<text x="160" y="122" fill="#ffffff" font-size="12" text-anchor="middle">肩部侧向包络厚度</text>
<text x="430" y="122" fill="#ff7875" font-size="12" text-anchor="middle">176 mm（外罩颊板 |x| ≥ 64 严重外扩）</text>
<text x="750" y="122" fill="#52c41a" font-size="12" font-weight="bold" text-anchor="middle">74 mm（极窄贴身筒壁，无冗余外罩）</text>
<text x="1080" y="122" fill="#8ce8a4" font-size="12" text-anchor="middle">横向体积减小 58%，完美贴合“小型化”要求</text>
<!-- Row 4 -->
<line x1="0" y1="132" x2="1290" y2="132" stroke="#2d3343" stroke-width="1"/>
<text x="160" y="153" fill="#ffffff" font-size="12" text-anchor="middle">打印可制造性与美观</text>
<text x="430" y="153" fill="#ff7875" font-size="12" text-anchor="middle">吊桥悬空需大量支撑，多余肋片外观怪异</text>
<text x="750" y="153" fill="#52c41a" font-size="12" font-weight="bold" text-anchor="middle">标准倒角与平整底面，无支撑/易打印，拟人线条</text>
<text x="1080" y="153" fill="#8ce8a4" font-size="12" text-anchor="middle">FDM 打印成功率提升，工业设计质感大幅增强</text>
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