PLANNING OF CUTTER PATH IN HIGH SPEED MACHINING BASED ON MAPPING OF TRIANGULAR GRID SURFACE

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International Journal on Smart Sensing and Intelligent Systems

Professor Subhas Chandra Mukhopadhyay

Exeley Inc. (New York)

Subject: Computational Science & Engineering, Engineering, Electrical & Electronic

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VOLUME 9 , ISSUE 4 (December 2016) > List of articles

PLANNING OF CUTTER PATH IN HIGH SPEED MACHINING BASED ON MAPPING OF TRIANGULAR GRID SURFACE

Yue-qi Guan * / Du Xu / Han-qing Guan

Keywords : Triangular, Grid cell, Mapping rule, Spiral cutter-path

Citation Information : International Journal on Smart Sensing and Intelligent Systems. Volume 9, Issue 4, Pages 2,088-2,110, DOI: https://doi.org/10.21307/ijssis-2017-954

License : (CC BY-NC-ND 4.0)

Received Date : 27-August-2016 / Accepted: 01-November-2016 / Published Online: 01-December-2016

ARTICLE

ABSTRACT

This paper puts forward an algorithm of generating a constant CNC spiral path based on
curved surface of triangular grid. This algorithm takes fully consideration of the geometry and
dynamics characteristics of the cutter-path and triangular grid cell, effectively reducing numbers of
cutter lifting and maintaining the continuity of the cutter-path. This algorithm starting biasing from
the contact points of cutter on the boundary of profile curve of grid layer by layer and planning the
contact points of biased cutter on the parametric field, fitting contact points onto the spiral path by
NURBS fitting algorithm, finally the spiral cutter-path is obtained by inverse mapping it on the grid.
The algorithm in this paper can generate a path with advantages of consistence boundary, smooth
and continuous path and without repeatedly need for feeding or relieving of cutter compared with
those paths generated through traditional ways.

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