2017
DOI: 10.3390/machines5010003
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Automatic Motion Generation for Robotic Milling Optimizing Stiffness with Sample-Based Planning

Abstract: Optimal and intuitive robotic machining is still a challenge. One of the main reasons for this is the lack of robot stiffness, which is also dependent on the robot positioning in the Cartesian space. To make up for this deficiency and with the aim of increasing robot machining accuracy, this contribution describes a solution approach for optimizing the stiffness over a desired milling path using the free degree of freedom of the machining process. The optimal motion is computed based on the semantic and mathem… Show more

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Cited by 18 publications
(6 citation statements)
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References 31 publications
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“…Dimensional errors as low as 0.05 mm were obtained in pocket milling tests on aluminum. In more recent work, Diaz Posada et al [66] presented their offline error compensation strategy ( Fig. 15) with experimental verification results obtained on a KUKA Quantec KR270 2700 industrial robot.…”
Section: Offline Methodsmentioning
confidence: 95%
“…Dimensional errors as low as 0.05 mm were obtained in pocket milling tests on aluminum. In more recent work, Diaz Posada et al [66] presented their offline error compensation strategy ( Fig. 15) with experimental verification results obtained on a KUKA Quantec KR270 2700 industrial robot.…”
Section: Offline Methodsmentioning
confidence: 95%
“…The disadvantage of using robots for machining is their low stiffness and accuracy [21], whereas the cutting force of the ultrasonic cutting process for Nomex honeycomb is small enough [22] to meet the accuracy of robot. At present, the studies of robotic machining path planning focus more on robotic kinematic optimization on machining efficiency [23] and accuracy [24], [25], and the tool path is usually generated by general CAM system [24], [26], [27]. However, V-shaped cutting requires special path planning method as mentioned above, and there are few or no reports on the V-shaped path planning for robots at present.…”
Section: Figure 1 Comparison Of Chip Formation Between Milling [7] Amentioning
confidence: 99%
“…Recently, realistic modeling, together with the optimization of the production process, were paired together in order to analyze the process parameters for a minimum cycle time [5,10]. This enables numerically controlled devices-such as CNC machine tools, 3D printers, robots, 3D scanners, and coordinate sampling machines-to successfully perform their desired task [11][12][13][14]. In [15], contour parallel tool-path optimization was presented for the milling operation of 2D pocket regions.…”
Section: State Of the Artmentioning
confidence: 99%