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6축 로봇의 공구중심점 교정 및 틸팅-로터리 테이블의 기하학적 오차 측정

A TCP Calibration of a 6-Axis Manipulator and Geometric Errors Identification of a Tilting-Rotary Table

Journal of the Korean Society for Precision Engineering 2022;39(4):253-261.
Published online: April 1, 2022

1 경일대학교 기계자동차학부

2 경북대학교 기계공학부

3 한국생산기술연구원 정밀기계공정제어연구그룹

1 School of Mechanical and Automotive Engineering, Kyungil University

2 School of Mechanical Engineering, Kyungpook National University

3 Precision Mechanical Process and Control R&D Group, Korea Institute of Industrial Technology

#E-mail: syang@knu.ac.kr, TEL: +82-53-950-5569
• Received: December 29, 2021   • Revised: February 15, 2022   • Accepted: February 16, 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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  • Expanded Position Dilution of Precision-based Optimal Calibration of the Industrial Robot Tool Center Point and Adaptive Three-dimensional Probe Development
    Seung-Han Yang, Hoon-Hee Lee, Kwang-Il Lee
    International Journal of Precision Engineering and Manufacturing-Green Technology.2026;[Epub]     CrossRef

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A TCP Calibration of a 6-Axis Manipulator and Geometric Errors Identification of a Tilting-Rotary Table
J. Korean Soc. Precis. Eng.. 2022;39(4):253-261.   Published online April 1, 2022
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A TCP Calibration of a 6-Axis Manipulator and Geometric Errors Identification of a Tilting-Rotary Table
J. Korean Soc. Precis. Eng.. 2022;39(4):253-261.   Published online April 1, 2022
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A TCP Calibration of a 6-Axis Manipulator and Geometric Errors Identification of a Tilting-Rotary Table
Image Image Image Image Image Image Image Image Image Image Image
Fig. 1 Configuration of a 6-aixs manipulator with a tilting-rotary table (MDR-60)
Fig. 2 Accuracy improvements sequence for a 6-axis manipulator with a tilting-rotary table
Fig. 3 A TCP calibration method of a 6-axis manipulator supported by manufacturer
Fig. 4 A 3-DOF measuring device
Fig. 5 A TCP calibration of a 6-axis manipulator using a conical measuring fixture
Fig. 6 A TCP calibration of a 6-axis manipulator using a 3-DOF measuring device
Fig. 7 Measured poses of a 6-axis manipulator to validate a TCP calibration results
Fig. 8 Positional deviations of a precision ball relative to the initial pose (N = 1)
Fig. 9 Alignment of a TCP initial position
Fig. 10 Measurement for PIGEs of rotary/tilting axes at a 6-axis manipulator
Fig. 11 Experimental data without/with compensation
A TCP Calibration of a 6-Axis Manipulator and Geometric Errors Identification of a Tilting-Rotary Table
Parameter Unit Value
Axes - 6 + 2
Tilting range A degree [-90, 90]
Rotary range C degree [0, 360]
Payload kg 60
Laser power kW 1, Fiber laser
Spot size mm 2.2
Material - SUS316L, Inconel 625, Ti64 et al.
Parameter Unit Value
Measuring range mm 12.7
Resolution mm 0.001
Accuracy mm 0.003
Repeatability mm 0.002
Measuring pressure N 1.5
Parameter Unit Value
Axes - 3
Dimension mm 254 × 254 × 254
Accuracy mm ±0.2
Layer thickness mm 0.254
Material bays - 1 Model / 1 Support
Material - ABS-M30, QSR support et al.
Parameter Unit Value
ΔRy μm 8.2
ΔRz μm 2,047.2
mya μm 1,027.7
mza μm -1,019.5
PIGEs Unit without Comp. with Comp.
o y a μm -192.5 -7.0
o z a μm -144.7 -0.1
s y a μrad 2,388 50
s z a μrad -824 65
o xc μm -50.8 0.3
o y c μm 20.0 1.9
s xc μrad 2,544 -14
s y c μrad 1,786 29
Table 1 Specification for DED 3D printer (MDR-60)
Table 2 Specification for digital dial gauge
Table 3 Specification for FDM 3D printer (F170)
Table 4 Measured positional deviation and alignment errors
Table 5 Identified PIGEs without/with compensation