Design & Manufacturing

Korean Society of Die & Mold Engineering (한국금형공학회)
권호 표지

A study on designing spindle stage using optimization of flexure

유연힌지 최적화를 이용한 스핀들 스테이지 설계에 관한 연구

  • Park, Jaehyun (Research Institute of Clean Manufacturing System, Korea Institute of Industrial Technology) ;
  • Kim, Hyo-Young (Department of Mechatronics Engineering, Tech University of Korea (TU Korea)) ;
  • Yoo, Hyeongmin (School of Mechanical Engineering, Korea University of Technology and Education (KOREATECH))
  • 박재현 (한국생산기술연구원 청정기술연구소) ;
  • 김효영 (한국공학대학교 메카트로닉스공학과) ;
  • 유형민 (한국기술교육대학교 기계공학과)
  • Published : 2022.09.30
Download PDF
⟨ Previous Next ⟩

Abstract

The demand for new processing technology that can improve productivity is increasing in industries that require large-scale and various products. In response to this demand, a robot machining system with flexibility is required. Because of the low rigidity of the robot, the robot machining system has a large error during machining and is vulnerable to vibration generated during machining. Vibration generated during machining deteriorates machining quality and reduces the durability of the machine. To solve this problem, a stage for fixing the spindle during machining is required. In order to compensate for the robot's low rigidity, a system combining a piezoelectric actuator for generating a large force and a guide mechanism to actuate with a desired direction is required. Since the rigidity of flexible hinges varies depending on the structure, it is important to optimal design the flexible hinge and high-rigidity system. The purpose of this research is to make analytic model and optimize a flexible hinge and to design a high rigidity stage. In this research, to design a flexible hinge stage, a concept design of system for high rigidity and flexure hinge modeling is carried out. Based on analytic modeling, the optimal design for the purpose of high rigidity is finished and the optimal design results is used to check the error between the modeling and actual simulation results.

Keywords

Acknowledgement

본 연구는 한국생산기술연구원 기관주요사업(No. EO220001)의 지원으로 수행한 연구이다.

References

  1. X. Shi, F. Zhang et al., “An online real-time path compensation system for industrial robots based on laser tracker”, International Journal of Advanced Robotic Systems, vol. 13, 2016.
  2. Z. Pan, H. Zhang, "Improving Robotic Machining Accuracy by Real-time Compensation", International Joint Conference, 2009.
  3. J. W. Ryu, D.-G. Gweon, and K. S. Moon, “Optimal design of a flexure hinge based XYf wafer stage,” Precision engineering, vol. 21, no. 1, pp. 18-28, 1997.
  4. D.W. Lee, S. J. Ha, J. Y. Park and G. S. Yoon, “Design of flexure hinge to reduce lateral force of laser assisted thermocompression bonding system”, Design & Manufacturing, Vol.14, No.3, pp. 23-30, 2020
  5. J. M. Paros, “How to design flexure hinges,” Mach Des, vol. 37, pp. 151-156, 1965.
  6. S. T. Smith, Flexures: elements of elastic mechanisms: CRC Press, 2000.
  7. N. Lobontiu, J. S. Paine, E. Garcia et al., “Corner-filleted flexure hinges,” Journal of Mechanical Design, vol. 123, no. 3, pp. 346-352, 2001.
  8. W. Xu, and T. King, “Flexure hinges for piezoactuator displacement amplifiers: flexibility, accuracy, and stress considerations,” Precision engineering, vol. 19, no. 1, pp. 4-10, 1996.
  9. Y. Koseki, T. Tanikawa, N. Koyachi et al., “Kinematic analysis of a translational 3-dof micro-parallel mechanism using the matrix method,” Advanced Robotics, vol. 16, no. 3, pp. 251-264, 2002.
  10. C. G. E. Boender, and A. R. Kan, “Bayesian stopping rules for multi start global optimization methods,” Mathematical Programming, vol. 37, no. 1, pp. 59-80, 1987.