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首页> 外文期刊>International Journal of Computer Integrated Manufacturing >A reconfigurable parallel kinematic drilling machine and its motion planning
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A reconfigurable parallel kinematic drilling machine and its motion planning

机译：可重构并联运动钻床及其运动计划

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摘要

A new reconfigurable high-speed drilling machine which is based on a planar parallel kinematic mechanism is developed and studied. The mechanism has two degrees of freedom and is driven by two linear motors which can provide both a high-speed feed rate for drilling and fast point-to-point positioning. The location and orientation of the spindle is reconfigurable for drilling different parts in a part family. The paper first introduces the schematic mechanical structure, possible configurations and functionalities of the parallel kinematic machine (PKM). Then the paper focuses on the input motion planning for ideal drilling operation, input motion planning for fast and accurate point-to-point positioning. The results are useful for improving the dynamic performance of the machine. A cycle time comparison is made between the PKM machine and a conventional machine tool.
机译：开发并研究了一种基于平面并联运动机构的新型可重构高速钻床。该机构具有两个自由度，并由两个线性电动机驱动，这两个线性电动机既可以提供用于钻孔的高速进给速率，又可以提供快速的点对点定位。主轴的位置和方向可重新配置，以在零件族中钻削不同的零件。本文首先介绍了并联运动机械（PKM）的示意性机械结构，可能的配置和功能。然后，本文重点介绍理想钻孔操作的输入运动计划，以及用于快速准确的点对点定位的输入运动计划。结果对于改善机器的动态性能很有用。在PKM机床和常规机床之间进行循环时间比较。

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