Journal of the Korean Society of Manufacturing Technology Engineers (한국생산제조학회지)

The Korean Society of Manufacturing Technology Engineers (한국생산제조학회)
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Performance of Assembled-type Drills

조립형 드릴의 성능 평가

  • Yang, Hae-Jeong (Department of Mechanical Design Engineering, Korea Polytechnic University) ;
  • Lee, Jai-Hak (Department of Mechanical Design Engineering, Korea Polytechnic University) ;
  • Seo, Jeong-Hwan (Department of Mechanical Design Engineering, Korea Polytechnic University)
  • Received : 2014.12.04
  • Accepted : 2015.02.04
  • Published : 2015.04.15
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Abstract

Recently, the use of assembled-type drills as environmentally friendly products has expanded because the shanks of drills can be reused by replacing the tip when the tools are worn or cut. In addition to their precision and endurable stiffness with respect to the cutting force, assembled-type drills need no stricture because of thermal deformation, which makes replacement easily. In this study, we developed novel assembled-type drills and compared their characteristics, such as the precision, stiffness, and thermal deformation, with those of conventional drills. The new drills exhibited a precision over IT 8 class and no changes in dimensions due to thermal deformation, such that we can change the assembly easily with durability.

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References

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