클램프 하중 향상을 위한 Valve out tool의 Collet 설계
Design of collet of valve out to improve clamping force
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초록
The flange spreader has been used to withdraw butterfly valves during maintenance. The typical flange spreaders required an excessive working space, and the pipe and flange are damaged by the load. In the previous study, the author developed a valve easy out tool with collet, and designed collet shape to ensure structural safety. However, clamping force of the collet had not been checked. In this study, design of collet shape was performed to improve clamping force. Techniques of structural analysis were established and design parameters were selected. Through parametric study, the collet shape with clamping force of 159,748N was suggested. This will contribute to stability and efficiently of valve maintenance.
Abstract
The flange spreader has been used to withdraw butterfly valves during maintenance. The typical flange spreaders required an excessive working space, and the pipe and flange are damaged by the load. In the previous study, the author developed a valve easy out tool with collet, and designed collet shape to ensure structural safety. However, clamping force of the collet had not been checked. In this study, design of collet shape was performed to improve clamping force. Techniques of structural analysis were established and design parameters were selected. Through parametric study, the collet shape with clamping force of 159,748N was suggested. This will contribute to stability and efficiently of valve maintenance.
참고문헌 (10)
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- 곽효서, "구조해석을 통한 Valve out tool의 Collet 설계", 한국기계기술학회지, 24(5), pp.804~809 (2022), 한국기계기술학회[DOI]
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- 김재훈, "자긴가공된 SCM440 고강도강의 잔류응력평가에 관한 연구", 한국추진공학회지, 14(4), pp.39~45 (2010), 한국추진공학회
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