Tool path generation for free-form surfaces defined by dual Kriging

  • Authors:

  • Abbas Vafaeesefat

  • Affiliations:

  • Mechanical Engineering Department, Imam-Hussein University, Tehran, Iran

  • Venue:
  • ROCOM'09 Proceedings of the 9th WSEAS international conference on Robotics, control and manufacturing technology
  • Year:
  • 2009

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Abstract

An algorithm for three-axis NC tool path generation on sculptured surfaces is presented when the free-form surface is modeled parametrically by dual Kriging. Kriging is a general interpolation method which incorporates several interpolation techniques such as piecewise linear, Bezier and Spline interpolations as particular cases and least square methods as a limit case. The flexibility of dual Kriging that easily defines the intersection of the surfaces with a set of parallel planes and Cartesian method are combined to generate the tool-paths automatically. The presented gouging elimination method prevents possible interference between the tool and the surface. The system was executed on a standard micro-computer and the software was structured to offer a library of machining functions for end-users.