Abstract
The following article presents an approach for a novel positioning stage as basic component of a small machine tool. It is a parallelkinematic machine (BiGlide mechanism), which converts the linear motion of two linear axes into a planar motion. The novel features, which were identified to be crucial for the transition from conventional machine tools to small ones, are: compact and precise feed axes, backlash free motion transmission, and direct measurement of the tool-center-point position and the ability of additional fine positioning. The proposed implementations are: hydraulic feed units, dry slide bearings as rotational joints, highly precise radar sensors and active variable-length struts of the parallelkinematic machine. Some of the simulation results are presented along with measurements of a currently designed prototype.
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This paper is based on investigations of the collaborative research program SPP1476, which is kindly supported by the German Research Foundation (DFG).
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Bauer, J., Kern, D., Ayhan, S. et al. Planar positioning stage for micro machining. Prod. Eng. Res. Devel. 7, 511–516 (2013). https://doi.org/10.1007/s11740-013-0474-2
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DOI: https://doi.org/10.1007/s11740-013-0474-2