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코너링 오차 및 기구학적 제한값 간의 관계를 활용한 공구경로 계획

Tool Path Planning Using the Relationship between Cornering Error and Kinematic Constraint Values

Journal of the Korean Society for Precision Engineering 2022;39(12):899-904.
Published online: December 1, 2022

1 연세대학교 기계공학과

2 한국기계연구원 초정밀장비연구실

1 School of Mechanical Engineering, Yonsei University

2 Department of Ultra-Precision Machines and Systems, Korea Institute of Machinery & Materials

#E-mail: bkmin@yonsei.ac.kr, TEL: +82-2-2123-5813
• Received: September 19, 2022   • Revised: October 25, 2022   • Accepted: November 1, 2022

Copyright © The Korean Society for Precision Engineering

This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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  • New Design of Smooth PSO-IPF Navigator With Kinematic Constraints
    Mahsa Mohaghegh, Hedieh Jafarpourdavatgar, Samaneh-Alsadat Saeedinia
    IEEE Access.2024; 12: 175108.     CrossRef

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Tool Path Planning Using the Relationship between Cornering Error and Kinematic Constraint Values
J. Korean Soc. Precis. Eng.. 2022;39(12):899-904.   Published online December 1, 2022
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Tool Path Planning Using the Relationship between Cornering Error and Kinematic Constraint Values
J. Korean Soc. Precis. Eng.. 2022;39(12):899-904.   Published online December 1, 2022
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Tool Path Planning Using the Relationship between Cornering Error and Kinematic Constraint Values
Image Image Image Image Image Image Image
Fig. 1 Overview of tool path generation method
Fig. 2 Determination of the machining section in a part program according to the cutting and non-cutting motion
Fig. 3 Selection of kinematic constraint combination level using tool path generation simulation result
Fig. 4 Generated tool paths near the corner with selected kinematic constraints listed in Table 1
Fig. 5 Tool path for ISO10791-7:2020 M1-160 testpiece
Fig. 6 Cornering error limited by selecting precision level with tool path generation simulation results
Fig. 7 Comparison of tangential velocity and acceleration during the cutting motion for two different methods of selecting kinematic constraint values
Tool Path Planning Using the Relationship between Cornering Error and Kinematic Constraint Values

An example of selecting kinematic constraint values for specific values of cornering error

Precision level Kinematic constraint values
ε [μm] Amax [mm/s2] ΔVmax [mm/min] τFIR [ms]
1 100 3,516 879 21
2 90 3,164 791 21
3 80 2,812 703 21
4 70 2,460 615 21
5 60 2,108 527 21
6 50 1,760 440 21
7 40 1,408 352 21
8 30 1,060 265 21
9 20 704 176 21
10 10 360 90 21

Evaluation of analysis of cornering error by kinematic constraints

Precision level Estimated cornering error [μm] Simulated cornering error [μm] Error [μm] Accuracy [%]
1 100.07 98.58 1.49 98.5
2 90.05 89.08 0.97 98.9
3 80.03 79.21 0.83 99.0
4 70.01 69.45 0.57 99.2
5 60.00 59.43 0.56 99.1
6 50.09 49.85 0.24 99.5
7 40.07 40.13 0.06 99.9
8 30.17 30.31 0.14 99.5
9 20.04 20.14 0.10 99.5
10 10.25 10.49 0.25 97.7
Table 1 An example of selecting kinematic constraint values for specific values of cornering error
Table 2 Evaluation of analysis of cornering error by kinematic constraints