3축 가공기를 이용한 곡면 금형의 연마 정밀도 향상에 관한 연구

A Study on Improvement of Finishing Accuracy Using 3-Axis Machine for Curved Surface Dies

  • 임동재 (부산대학교 대학원 정밀기계공학과) ;
  • 이상직 (부산대학교 대학원 정밀기계공학과) ;
  • 정해도 (부산대학교 기계공학부)
  • Lim, Dong-Jae (Dept.of Precision Mechanical Engineering, Graduate School of Busan National University) ;
  • Lee, Sang-Jik (Dept.of Precision Mechanical Engineering, Graduate School of Busan National University) ;
  • Jeong, Hae-Do (Busan National University)
  • 발행 : 2001.03.01

초록

The finishing process for die is an important process because it has influence on final quality of products. Recently s study on development of 5-axis die automated finishing machine has been progressed. But die must be moved from the cutting machine to the die automated finishing machine. So manufacturing cost and time increase and machining error occurs by transfer. So, in this study, a 3-axis machining center was applied to die finishing. Because cutting tool can be changed to finishing tool by ATC, both of cutting and finishing process are possible on the machine. However, this application results in the decrease of finishing for the improvement of form accuracy. So this study focused on the generation of finishing tool path suitable to 3-axis die finishing for the improvement of form accuracy. The form accuracy evaluation is performed by the measurement of removal depth using a stylus profilometer. From the result, it is confirmed that form accuracy was improved less than 2$\mu$m of removal depth error.

키워드

참고문헌

  1. 이태문, 정해도, 황찬해, 조규갑, '금형의 자동 연 마작엽 지원 전문가시스템의 개발,' 한국정밀공 학회지, 제16권, 제7호, pp 73-84, 1999
  2. 이두찬, 정해도, 안중환, Takashi Miyoshi, '자동 금형연마의 최적조건선정 전문가시스캠 개발,' 한국정밀공학회지, 제14권, 제10호, pp. 58-67, 1997
  3. 이민철, '곡면금형의 머시닝센터 장착형 연마로봇 개발,' 월간기계기술, 12월호, pp. 53-66, 1997
  4. 坂本正史, 水垣善夫 他2名, 'CAD/CAMモデルに基づく高品位金型みがきロボツトシステムの開發,' 型技術, Vol. 5, No.8, pp. 102-103, 1990
  5. 鈴木淸, 鍾博任 他3名, 'ユニバ-サルジヨイント工具による自由曲面の磁氣硏磨,' 砥粒加工學會學術講演會講演文集, pp.315-318, 1995