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IJAT Vol.18 No.4 pp. 463-471
doi: 10.20965/ijat.2024.p0463
(2024)

Research Paper:

Continuous Representation of Machining Processes Using 4-Dimensional Geometric Models –Cutter-Workpiece Engagement Analysis and Processing Surface Estimation in Spatio-Temporal Space—

Tong Zhang ORCID Icon, Masahiko Onosato ORCID Icon, and Fumiki Tanaka ORCID Icon

Graduate School of Information Science and Technology, Hokkaido University
Kita 14, Nishi 9, Kita-ku, Sapporo, Hokkaido 060-0814, Japan

Corresponding author

Received:
December 22, 2023
Accepted:
April 24, 2024
Published:
July 5, 2024
Keywords:
CAD/CAM, milling process simulation, 4D geometric model, cutter-workpiece engagement
Abstract

The study proposes strategies for conducting cutter-workpiece engagement (CWE) analysis and representation based on 4-dimensional (4D) geometric models. To achieve the CWE condition, two 4D models representing the workpiece and the machinable volume of the tool are introduced for Boolean subtraction and CWE calculation. However, performing set operations and mesh transformations on high-accuracy 4D mesh models can be complex and time-consuming. Therefore, a simplified CWE analysis process between the time-invariant workpiece-occupied region (WOR) and the tool-occupied region (TOR) has been implemented to illustrate the validity of the set operation algorithm. The results demonstrate the effectiveness of the proposed 4D Set operation algorithm and its application in CWE analysis to a certain extent.

Cite this article as:
T. Zhang, M. Onosato, and F. Tanaka, “Continuous Representation of Machining Processes Using 4-Dimensional Geometric Models –Cutter-Workpiece Engagement Analysis and Processing Surface Estimation in Spatio-Temporal Space—,” Int. J. Automation Technol., Vol.18 No.4, pp. 463-471, 2024.
Data files:
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Last updated on Jul. 12, 2024