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Parallel structure of a spatial 3-axis machine tool with three degrees-of-freedom
Parallel structure of a spatial 3-axis machine tool with three degrees-of-freedom
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机译:具有三个自由度的空间三轴机床的并行结构
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摘要
This invention relates to the parallel structure of a spatial 3-axis machine tool with three degrees of freedom (3 DOF), which have two translational DOF and one rotational DOF. The machine tool includes a base, a mobile platform to which a tool may be attached, and three kinematic legs. Two of the three legs are in a same plane, and each have one 3-DOF spherical joint and two 1-DOF joints. The third leg has one 1-DOF joint and two universal joints. Compared with traditional machine tools, this invention possesses several advantages such as simple structure, high stiffness, low inertia, low cost, and high speed.
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