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A Study of Surface Texturing Using Piezoelectric Tool Holder Actuator on Conventional CNC Turning
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  • A Study of Surface Texturing Using Piezoelectric Tool Holder Actuator on Conventional CNC Turning
  • A Study of Surface Texturing Using Piezoelectric Tool Holder Actuator on Conventional CNC Turning
저자명
Kurniawan. Rendi,Ko. Tae Jo
간행물명
International journal of precision engineering and manufacturing
권/호정보
2013년|14권 2호|pp.199-206 (8 pages)
발행정보
한국정밀공학회
파일정보
정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
서지반출

기타언어초록

Tribology studies have recently shown the beneficial reduction in the friction coefficient of various mechanical components by application of surface texturing. This study presents a study of surface texturing using a piezoelectric tool holder actuator whereby the tool holder installed on a conventional computerized numerical controlled (CNC) machine lathe. The tool holder used in surface texturing a workpiece surface, yields average strokes up to 26 ${mu}M$ and has a natural frequency of approximately 480 Hz. A piezo actuator of 15 ${mu}M$ maximum displacement was utilized, and a single parallel four-bar flexure hinge mechanism magnified the input displacement from the piezo actuator by an amplification ratio of 3:1. In this study, a piezo actuator that operated under the open-loop condition, in modulation frequency range from 100 Hz to 135 Hz, was imposed to cut into the workpiece surface to build a pattern of dimples. Moreover, the characteristics of the dimple-pattern topography were investigated by varying the spindle rotation rate between 30 rpm and 100 rpm at constant modulation frequency of 120 Hz. According to the experimental results, Al 6061-T6 and AISI 1045 were successfully textured by using the piezoelectric tool holder actuator. The results showed that the maximum errors of the dimple feature on Al 6061-T6 and AISI 1045 were approximately 10.14% and 47.97%, respectively, between the analysis and experimental results.