两个以上的构件同时在一处用转动副相联接就构成复合铰链。如果是三个构件汇交成的复合铰链，这三个构件共组成两个运动副。
由于分支运动链中不含有闭环子链和复合铰链，使制造成本降低且容易保证精度。
Because there are no closed-loop and complex joints in limb, manufacturing cost can be reduced while maintaining accuracy.
介绍了一种适用于折板机的铰链卷圆成形复合模，讨论了该模具的结构特点和设计中应注意的问题。
A curling compound die for the hinge used for the plate-bending machine was introduced. The structure characteristics of the die and the attention problems in the design of the die were discussed.
设计的直圆椭圆复合柔性铰链非常适合于需要大位移、高精度传动的应用场合。
The RCE flexure hinge is suitable for engineering applications where high displacement and high accuracy are needed.
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