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파라메트릭 스터디를 통한 전동식 기어시스템의 소음 및 PPTE 분석

Noise and PPTE Analysis of Electric Gear System with Parametric Study

Journal of the Korean Society for Precision Engineering 2023;40(3):223-228.
Published online: March 1, 2023

1 경상국립대학교 대학원 기계항공공학부

1 School of Mechanical and Aerospace Engineering, Graduate School, Gyeongsang National University

#E-mail: sklyu@gnu.ac.kr, TEL: +82-55-772-1632
• Received: December 20, 2022   • Revised: January 26, 2023   • Accepted: January 30, 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
  • Study on the Modification of the Contact Pattern and Teeth Shape of Tapping Device Drive Gears
    Sung-Min Moon, Yong-Woo Park, Do-Young Lee, Sung-Ki Lyu
    Journal of the Korean Society of Manufacturing Process Engineers.2025; 24(9): 76.     CrossRef
  • A Study on the High Efficiency and Low Noise Design of Electric Industrial Gearboxes
    Nam Yong Kim, Jin-Uk Baek, Sung Ki Lyu
    Journal of the Korean Society for Precision Engineering.2024; 41(4): 243.     CrossRef
  • Optimal Design of Surface Pressure Strength to Prevent Gear System Pitting Phenomenon
    Gi-Myung Gwak, Jin-Uk Baek, Nam-Yong Kim, Sung-Ki Lyu
    Journal of the Korean Society of Manufacturing Process Engineers.2024; 23(1): 76.     CrossRef
  • Development of a Prediction Model for the Gear Whine Noise of Transmission Using Machine Learning
    Sun-Hyoung Lee, Kwang-Phil Park
    International Journal of Precision Engineering and Manufacturing.2023; 24(10): 1793.     CrossRef

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Noise and PPTE Analysis of Electric Gear System with Parametric Study
J. Korean Soc. Precis. Eng.. 2023;40(3):223-228.   Published online March 1, 2023
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Noise and PPTE Analysis of Electric Gear System with Parametric Study
J. Korean Soc. Precis. Eng.. 2023;40(3):223-228.   Published online March 1, 2023
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Noise and PPTE Analysis of Electric Gear System with Parametric Study
Image Image Image Image Image Image Image Image Image Image Image Image
Fig. 1 Layout for gearbox structure
Fig. 2 PPTE graphs for modules and overlap ratio
Fig. 3 PPTE analysis results for overlap ratio on parametric study
Fig. 4 dB analysis results for overlap ratio on parametric study
Fig. 5 PPTE analysis results for overlap ratio on sound pressure
Fig. 6 Definition of tip and root relief
Fig. 7 Definition of profile crowning
Fig. 8 Modification sizing results on Parametric study
Fig. 9 Stress distribution on tooth modification before
Fig. 10 Stress distribution on tooth modification after
Fig. 11 Stress curve graphs on tooth modification before
Fig. 12 Stress curve graphs on tooth modification after
Noise and PPTE Analysis of Electric Gear System with Parametric Study

Gear specification of helical gear train

Description Unit Gear Pinion
Module Mm 1.25/1.5/2.0
Pressure angle Deg. 20
No. of teeth - 56-65 32-37
Helix angle Deg. 0-20
Face width Mm 36
Profile shift coefficient - Applied (-) Profile shift
Gear ratio 1.75±3%

Gear contact analysis on tooth modification (Before)

Description Unit Value
Transmission ERROR μm -18.54/-18.74
Power loss W 558.0/531.0
Stress curve (Max.) N/mm2 1,477.08
Stress distribution on tooth N/mm2 1,500.0

Gear contact analysis on tooth modification (After)

Description Unit Value
Transmission error μm -15.90/-16.03
Power loss W 520.0/504.0
Stress curve (Max.) N/mm2 1,200.42
Stress distribution on tooth N/mm2 1,200.0
Table 1 Gear specification of helical gear train
Table 2 Gear contact analysis on tooth modification (Before)
Table 3 Gear contact analysis on tooth modification (After)