A strategy for identifying static deviations in universal spindle head type multi-axis machining centers
A strategy for identifying static deviations in universal spindle head type multi-axis machining centers
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DOI：
10.1016/j.ijmachtools.2005.08.010
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发表时间：
2006-08
影响因子：
14
通讯作者：
K. Dassanayake;M. Tsutsumi;A. Saito
中科院分区：
文献类型：
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作者：
K. Dassanayake;M. Tsutsumi;A. Saito
本研究是为了研究ISO 10791-6中规定的检查方法的有效性，并提出一种额外的方法来识别具有通用主轴头的五轴加工中心固有的几何偏差。所规定的方法不足以评估个别几何偏差的影响。因此，为了有效地使用这种检查方法，需要额外的测量。附加测量中的球面运动是ISO标准的修改版本。有些偏差是根据附加测量的结果来推测的，因此，通过分析机床连杆的几何形状，设计了确定剩余几何偏差的方法。鉴定过程包括三个步骤。在第一步和第二步中，在进行两次测量之后，通过观察方程确定了十分之六的偏差。在第三步中，十个偏差中的四个通过连杆几何来识别。通过仿真验证了所提出的识别五轴机床固有偏差的方法的准确性。
This research was conducted in order to investigate the effectiveness of the checking method specified in ISO 10791-6 and to propose an additional method for identifying the geometric deviations inherent to five-axis machining centers with a universal spindle head. The specified method is not sufficient for assessing the influence of individual geometric deviations. Therefore, additional measurements are needed in order to use this checking method effectively. The spherical motion in the additional measurements is a modified version of the ISO standard. Some of the deviations are presumed based on the result of the additional measurements, and so the method of identifying the remainder of the geometric deviations was designed by analyzing the link geometry of the machine. The identification procedure consists of three steps. In the first and second steps, after performing two measurements, six out of ten deviations are identified by means of an observation equation. In the third step, four of the ten deviations are identified by means of the link geometry. The exactness of the proposed procedure for identifying the deviations inherent to the five-axis machine is confirmed through simulations.