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Vol. 34, No. 11
November, 2017
 
 
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  Journal of the Korean Society for Precision Engineering  
 
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Journal of the Korean Society for Precision Engineering (JKSPE) is devoted to publishing original research articles with high ethical standard on all aspects of precision…
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Code of Ethics for Academic Activities of the Korean Society for Precision Engineering (KSPE) Enacted on October 9, 2008 Chapter 1: Overall Rules Article 1: Purpose…
Editor-in-Chief: Sun-Kyu Lee
Vice Editor-in-Chief: Dae Eun Kim
JKSPE Editorial Board
ISSN 1225-9071(Print)
ISSN 2287-8769(Online)
Tel +82-2-393-0724 | Fax +82-2-518-2937 |  paper@kspe.or.kr | http://www.kspe.or.kr
 
 
 
 
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Vol. 34, No. 11, pp. 813-821
Title: Analysis of the Stiffness and Fatigue Life of Double-Row Angular Contact Ball Bearings
Corresponding Author: Seong-Wook Hong
Abstract: This paper presents an analysis of the stiffness and fatigue life of double-row angular contact ball bearings (D-ACBBs). To this end, a comprehensive quasi-static model was developed for D-ACBBs subjected to five degree-of-freedom (DOFs) loading and displacement. The model was verified by a commercial computational program. A rigorous numerical investigation was performed, based on the developed model regarding the effects of external load, rotational speed, axial clearance, bearing arrangement, and angular misalignment on the stiffness and fatigue life of the D-ACBB. The D-ACBB was subjected to negative axial clearance and yielded improved performance in terms of fatigue life and stiffness. The effect of angular misalignment on the bearing fatigue life was found to be significantly dependent on the amount of axial clearance. The moment stiffness of the D-ACBB in a back-to-back arrangement was higher than the face-to-face arrangement owing to the increased effective load center distance, whereas the radial stiffness and fatigue life were almost unchanged for back-to-back and face-to-face arrangements. …
   
Vol. 34, No. 11, pp. 823-828
Title: Analysis of the Role of Thoracolumbar Fascia for Lumbar Spinal Stability
Corresponding Author: Young Eun Kim
Abstract: Spinal stability is controlled by two interrelated systems: the spinal column including ligaments and the muscular control system. In addition to these systems, the thoracolumbar fascia (TLF) also interacts with the muscular system to maintain the stability of the spine. The effects of the tensioning of TLF on the spinal stability was investigated using computational analysis. The stability of the spine was analyzed with a three-dimensional finite element model of musculoskeletal system including TLF. The paraspinal muscle activities were calculated based on a hypothesis: the intervertebral disc was assumed to have a transducer function and the muscle is activated according to a sensor driven control mechanism to maintain stability of the lumbar spine. Muscle forces were calculated in examining 40° isometric forward flexed and erect standing postures. As a result, the fascial tension induced a decrease in superficial muscle activity while maintaining the spinal stability. …
   
 
Current Issue Archive
    
    
JKSPE Vol. 34, No. 11
Hybrid Tracking Method Combined with Step Tracking and Monopulse Tracking for Improving Satellite Tracking Performance of Mobile Satellite Antenna System
Gwang Tae Kim1, Gyuhan Cho1, Sihun Jo1

이동형 위성안테나 시스템의 위성추적 성능개선을 위한 스텝추적과 모노펄스추적의 혼합추적 방법
김광태1, 조규한1, 조시훈1

J. Korean Soc. Precis. Eng., Vol. 34,  No. 11  pp. 745-753, 2017.
http://dx.doi.org/10.7736/KSPE.2017.34.11.745 
    Full text via DOI      PDF Links
 
The Reduction Design for Structure Borne Noise of Electronic Cabinet on Shipboard Considering Cooling Performance
Young Min Lee1, Jeong Hoon Park1, Kwan Soo Jeon1, Byung Jun Kim1, Chul Hyun Kwak2

방열 성능을 고려한 함정 탑재 장비의 구조 소음 저감 설계
이영민1, 박정훈1, 전관수1, 김병준1, 곽철현2

J. Korean Soc. Precis. Eng., Vol. 34,  No. 11  pp. 755-763, 2017.
http://dx.doi.org/10.7736/KSPE.2017.34.11.755 
    Full text via DOI      PDF Links
 
Study on the Compressive Properties of Sandwich Composite Structure for Launching Bridges
Sung Rok Ha1, Dae Hee Lee1, Jae Man Bae1

교량 인양용 샌드위치 복합재 구조물의 압축특성에 관한 연구
하성록1, 이대희1, 배재만1

J. Korean Soc. Precis. Eng., Vol. 34,  No. 11  pp. 765-769, 2017.
http://dx.doi.org/10.7736/KSPE.2017.34.11.765 
    Full text via DOI      PDF Links
 
The Change of the Influence of Backlash Ratio according to the Change of Motor Input Voltage
Joo Hyun Baek1

모터입력전압 변화에 따른 백래시 비율의 영향 변화
백주현1

J. Korean Soc. Precis. Eng., Vol. 34,  No. 11  pp. 771-779, 2017.
http://dx.doi.org/10.7736/KSPE.2017.34.11.771 
    Full text via DOI      PDF Links
 
Driving Stability Analysis of Shelter Vehicles Passing by Each Other
Jeongroh Yoon1, Donghun Son1, Euibong Jeong1, Joon Kim1, Inkab Jang2

기동형 쉘터의 교행주행에 발생하는 압력장에 의한 주행안정성 분석
윤정노1, 손동훈1, 정의봉1, 김준1, 장인갑2

J. Korean Soc. Precis. Eng., Vol. 34,  No. 11  pp. 781-787, 2017.
http://dx.doi.org/10.7736/KSPE.2017.34.11.781 
    Full text via DOI      PDF Links
 
Numerical Analysis and Experimental Verification to Predict the Internal Pressure of the Flight Vehicle
Dong Kyun Lee1, Jun Soo Kim1, Sung Woo Park1, Sung Wook Kang1

수치 해석을 통한 비행체 내부 압력 예측과 실험적 검증
이동균1, 김준수1, 박성우1, 강성욱1

J. Korean Soc. Precis. Eng., Vol. 34,  No. 11  pp. 789-795, 2017.
http://dx.doi.org/10.7736/KSPE.2017.34.11.789 
    Full text via DOI      PDF Links
 
Development of Laser Ablation Integrated Simulation Program for Windows with Visual Fortran and OpenGL
Se Yoon Bang1

Visual Fortran과 OpenGL을 이용한 윈도우용 레이저가공 통합시뮬레이션 프로그램 개발
방세윤1

J. Korean Soc. Precis. Eng., Vol. 34,  No. 11  pp. 797-805, 2017.
http://dx.doi.org/10.7736/KSPE.2017.34.11.797 
    Full text via DOI      PDF Links
 
Design of a Cover Locking Mechanism with a Miniature Solenoid
Sung Gyu Koh1 and Kwon Hee Kim2

소형 솔레노이드를 이용한 개폐 구조 설계
고성규1, 김권희2

J. Korean Soc. Precis. Eng., Vol. 34,  No. 11  pp. 807-812, 2017.
http://dx.doi.org/10.7736/KSPE.2017.34.11.807 
    Full text via DOI      PDF Links
 
Analysis of the Stiffness and Fatigue Life of Double-Row Angular Contact Ball Bearings
Van-Canh Tong1 and Seong-Wook Hong2

복열 각접촉 볼베어링의 강성 및 피로수명 해석
통반칸1, 홍성욱2

J. Korean Soc. Precis. Eng., Vol. 34,  No. 11  pp. 813-821, 2017.
http://dx.doi.org/10.7736/KSPE.2017.34.11.813 
    Full text via DOI      PDF Links
 
Analysis of the Role of Thoracolumbar Fascia for Lumbar Spinal Stability
Hae Won Choi1 and Young Eun Kim1

요추부 안정화를 위한 흉요근막의 역할 분석
최혜원1, 김영은1

J. Korean Soc. Precis. Eng., Vol. 34,  No. 11  pp. 823-828, 2017.
http://dx.doi.org/10.7736/KSPE.2017.34.11.823 
    Full text via DOI      PDF Links
 
Effects of Static Stretching of the Calf Muscle after Microwave Diathermy on Joint Position Sensation and Dynamic Balance Ability
Daehee Lee1 and Seulki Han1

극초단파 심부투열을 적용한 장딴지근육의 스트레칭이 관절위치감각과동적균형능력에 미치는 영향
이대희1, 한슬기1

J. Korean Soc. Precis. Eng., Vol. 34,  No. 11  pp. 829-833, 2017.
http://dx.doi.org/10.7736/KSPE.2017.34.11.829 
    Full text via DOI      PDF Links
 
A Study on the Case of Life Cycle Assessment for a Sustainable Design of a Composite Small Craft
Dong Kun Lee1, Ki Seok Jung2, Dae Kyun Oh1, and Byeong Il Kim1

복합재료 소형선박의 지속가능한 설계를 위한 전과정평가 사례 연구
이동건1, 정기석2, 오대균1, 김병일1

J. Korean Soc. Precis. Eng., Vol. 34,  No. 11  pp. 835-841, 2017.
http://dx.doi.org/10.7736/KSPE.2017.34.11.835 
    Full text via DOI      PDF Links
 
 
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