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절삭가공의 디지털 전환을 위한 디지털 쓰레드

Digital Thread for Machining Process

Journal of the Korean Society for Precision Engineering 2023;40(5):373-381.
Published online: May 1, 2023

1 한국생산기술연구원 정밀기계공정제어연구그룹

2 한국생산기술연구원 디지털전환연구부문

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

2 Digital Transformation R&D Department, Korea Institute of Industrial Technology

#E-mail: dylee@kitech.re.kr, TEL: +82-31-8040-6169
• Received: March 21, 2023   • Accepted: April 16, 2023

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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Citations

Citations to this article as recorded by  Crossref logo
  • A Review of Intelligent Machining Process in CNC Machine Tool Systems
    Joo Sung Yoon, Il-ha Park, Dong Yoon Lee
    International Journal of Precision Engineering and Manufacturing.2025; 26(9): 2243.     CrossRef

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Digital Thread for Machining Process
J. Korean Soc. Precis. Eng.. 2023;40(5):373-381.   Published online May 1, 2023
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J. Korean Soc. Precis. Eng.. 2023;40(5):373-381.   Published online May 1, 2023
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Digital Thread for Machining Process
Image Image Image Image Image Image Image Image Image Image Image Image Image
Fig. 1 Components for digital transformation
Fig. 2 Digital thread for machining process
Fig. 3 Verification of estimated cutting force with measured cutting force
Fig. 4 Monitoring system of machining process (KITECH)
Fig. 5 Verification of reconstructed cutting force from supplied currents with measured cutting force
Fig. 6 Integration of virtual machining data with sensor signals
Fig. 7 Overview of ISO 10303 STEP AP242 edition 2 “Managed model based 3D engineering” [26] (Adapted from Ref. 26 on the basis of website)
Fig. 8 Reference system for 3D model definition in ISO 10303-AP242
Fig. 9 Data structure of CAD, GD&T information and inspection result relative to json format
Fig. 10 GD&T inspection procedure via on-machine measurement for the digital thread
Fig. 11 Digital thread viewer (Virtual machining data)
Fig. 12 Test steps and result for measuring straightness and angularity of test pieces
Fig. 13 Digital thread viewer (Inspection data)
Digital Thread for Machining Process

Entities in ISO 10303-AP242 for obtaining geometrical tolerance

Geometrical tolerance
Type with datum system without datum system
Entity ANGULARITY_TOLERANCE
CIRCULAR_RUNOUT_TOLERANCE
COAXIALITY_TOLERANCE
CONCENTRICITY_TOLERANCE
PARALLELISM_TOLERANCE
PERPENDICULARITY_TOLERANCE
SYMMETRY_TOLERANCE
TOTAL_RUNOUT_TOLERANCE
CYLINDRICITY_TOLERANCE
FLATNESS_TOLERANCE
LINE_PROFILE_TOLERANCE
POSITION_TOLERANCE
ROUNDNESS_TOLERANCE
STRAIGHTNESS_TOLERANCE
SURFACE_PROFILE_TOLERANCE
Table 1 Entities in ISO 10303-AP242 for obtaining geometrical tolerance