Journal of the Korean Society of Manufacturing Process Engineers (한국기계가공학회지)

The Korean Society of Manufacturing Process Engineers (한국기계가공학회)
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Selection of Optimal Processing Conditions for Quartz Using the Taguchi Method

다구찌법을 이용한 석영의 최적 가공조건 선정에 관한 연구

  • Jeong, Ho-In (Mechanical Design and Manufacturing, School of Mechatronics Engineering, Changwon National University) ;
  • Choi, Seong-Jun (School of Smart manufacturing Engineering, Changwon National University) ;
  • Lee, Choon-Man (Dept. of Mechanical Engineering, College of Mechatronics, Changwon National University)
  • 정호인 (창원대학교 메카트로닉스공학부) ;
  • 최성준 (창원대학교 스마트제조융합협동과정) ;
  • 이춘만 (창원대학교 기계공학부)
  • Received : 2021.12.15
  • Accepted : 2021.12.28
  • Published : 2022.02.28
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Abstract

Quartz (SiO2) has high abrasion and heat resistances and excellent chemical and mechanical properties; therefore, it is used in various industries, such as machinery, chemistry, optics, and medicine. Quartz is a high-hardness and brittle material and is classified as the topmost difficult-to-cut material, which is because of the cracking or chipping at the edge during processing. Corner wear, such as cracks and chippings that occur during cutting, is a major cause for the deterioration in the machining quality. Therefore, many researchers are investigating various techniques to process quartz effectively. However, owing to the mechanical properties of quartz, most studies have been conducted on grinding, micromachining, and microdrilling. Few studies have been conducted on quartz processing. The purpose of this study was to analyze the machining characteristics according to the machining factors during the slot machining of quartz using a cubic boron nitride (CBN) tool and to select the optimal machining conditions using the Taguchi method. The machining experiment was performed considering three process variables: the spindle speed, feed rate, and depth of cut. The cutting force and surface roughness were analyzed according to the processing conditions.

Keywords

Acknowledgement

본 연구는 중소벤처기업부의 W300프로젝트 기술개발사업 지원에 의한 연구임[No. S2641371, "공정 모듈 교환방식의 원스탑 다공정 제조혁신 솔루션 개발"]

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