绘图圆规 · 摩擦铰接双腿

Model notes are in Simplified Chinese.

绘图圆规 · 摩擦铰接双腿,真实几何展示关键组成与配合。

绘图圆规 · 摩擦铰接双腿: assembly preview

What is it made of?

01 指握头与叉形支架

铝与树脂

叉耳包住左右腿顶部,中心贯通孔承载轴销。

02 针脚支腿

铝

绕顶部孔转动,下端夹持针尖。

03 铅芯支腿

铝

右腿顶部与针脚同轴,下端具有铅芯夹持筒。

04 绘图铅芯

石墨

固定在右腿夹筒中,和该腿共享旋转。

05 贯穿轴销

钢

贯通左右腿孔与叉耳,头部压紧形成摩擦。

06 铅芯夹紧螺钉

钢

侧向螺钉压紧铅芯,跟随铅芯腿运动。

How do the parts work together?

两腿绕共同轴销对称张开,针尖与铅芯之间距离随角度变化。

逐件真实操作或明确装配运动;不模拟液体、压力或承载。网页运行时未验证。

Model scope and approximations

AI-assisted educational schematic, not manufacturing CAD. Materials, proportions and movements are limited to this model's description.

教学比例,非制造尺寸或认证。通用摩擦铰接代表版,不是特定品牌尺寸;未模拟摩擦锁紧、画线或针尖刺入纸张。

Sources

References are preserved from the model library and have not been independently reverified here. Model reference date: 2026-10-26.

3D runtime: Three.js · Machine Skill · MIT

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