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논문 기본 정보

자료유형
학술저널
저자정보
김종환 (창원대학교) 김정태 (창원대학교)
저널정보
한국체육과학회 한국체육과학회지 한국체육과학회지 제25권 제5호 (자연과학 편)
발행연도
2016.10
수록면
1,435 - 1,447 (13page)

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이 논문의 연구 히스토리 (2)

초록· 키워드

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The purpose of this study was to examine the changes of shaft strength based on the trimmed part(tip, butt) when cutting 0.5 inches of various types of iron shafts for accurate golf club fitting to accurately understand the changes of swing weight and change of strength of iron shafts pursuant to the increase of head weight, due to the head weight which increases by 7 g for each increase in the number of iron clubs, in order to suggest objective data for the manufacturing, repairing, and fitting of golf clubs.
The conclusions are as follows.
First, even when cutting steel shafts and graphite shafts, which have mechanical properties, in regular intervals, the margin of increase in strength did not appear to be consistent due to the difference in proportion per part and shaft joint, and only a slight increase appeared in the strength change when only cutting the butt end, due to the weight increase of the weight kit pertaining to the iron head.
Second, when measuring strength by cutting the tip part of the shafts in 0.5 inches, an average increase of 3-3.5 CPM was exhibited even in the condition where the weight kit was assembled. Therefore, in practice, the strength difference for each number of the completely manufactured iron clubs will have to be produced so that it may increase consistently by an average of 3-3.5 CPM.
Third, there was no difference in the amount of change in strength per weight and per quality of material by consistently cutting the shafts, whereas the amount of change in strength based on weight and quality of material did not show any increase or decrease except the change in strength appeared only based on length change.
In addition, as a result of confirming the amount of change in swing weight by cutting a constant amount per weight and per quality of material of the shafts, there was no difference appeared in swing weight per trimmed part, however, regarding the change pursuant to shaft weight whereas the amount of change appeared to increase as the shaft was lighter in weight. Thus, for iron clubs using a light shaft, the head weight may have to be lighter compared to iron clubs having the same number but using a heavier shaft.

목차

Abstract
Ⅰ. 서론
Ⅱ. 연구방법
Ⅲ. 결과
Ⅳ. 논의
Ⅴ. 결론
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UCI(KEPA) : I410-ECN-0101-2017-692-001632398