Transactions of the Korean Society of Machine Tool Engineers (한국공작기계학회논문집)

The Korean Society of Manufacturing Technology Engineers (한국생산제조학회)
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Investigation for Clamping Properties of the Tool Clamping Device Based on the Shape Memory Alloy for Application of a Micro Spindle System

소형 스핀들 시스템 적용을 위한 형상기억합금 기반 공구 클램핑 장치의 체결특성 고찰

  • 신우철 (한국기계연구원 지능기계연구센터) ;
  • 노승국 (한국기계연구원 지능기계연구센터) ;
  • 박종권 (한국기계연구원 지능기계연구센터) ;
  • 이득우 (부산대학교 나노과학기술대학) ;
  • 정준모 (충남대학교 기계공학과 대학원)
  • Published : 2007.12.15
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Abstract

In this paper, a rotating tool clamping device was developed based on a shape memory alloy(SMA) and its feasibility as a tool holder was experimentally explored. The SMA-based device was able to alter clamping to unclamping through temperature control within 1 second. The means and repeatability(${\sigma}$) of the tool clamping force were 185.5N and 6N respectively and its drifts were less than 3% for an hour. Considering the temperature hysteresis of the SMA-based tool clamping device, it is necessary to heat the SMA ring to around $50^{\circ}C$ after tool change to obtain more clamping force.

Keywords

References

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