On the tool-path optimization of a milling robot

Authors:
S. S. Makhanov;D. Batanov;E. Bohez;K. Sonthipaumpoon;W. Anotaipaiboon;M. Tabucanon
Affiliations:
Department of Information Technology, Sirindhorn International Institute of Technology Tammasat University, Pathum Thani 12121, Thailand;School of Advanced Technologies, Asian Institute of Technology, Pathum Thani 12120, Thailand;School of Advanced Technologies, Asian Institute of Technology, Pathum Thani 12120, Thailand;Industrial Engineering Department, Naresuan University, Phitsanulok 65000, Thailand;Department of Information Technology, Sirindhorn International Institute of Technology Tammasat University, Pathum Thani 12121, Thailand;Industrial Systems Engineering Program, School of Advanced Technologies, Asian Institute of Technology, Pathum Thani 12120, Thailand
Venue:
Computers and Industrial Engineering
Year:
2002

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Abstract

We present a new approach to tool-path optimization of milling robots based on a global interpolation of the required surface by a virtual surface composed from tool trajectories. The procedure combines inverse kinematics techniques and a variational gridding method endowed with constraints related to the required scallop height. We demonstrate the capability of the proposed technique to generate a tool-path for workpieces with complex geometries comprising 'islands' or boundaries with sharp edges requiring a combined spiral-zigzag pattern.Our technique provides a significant increase in the accuracy of milling.