• 한국생산제조학회지
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• 제8권4호
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• pp.61-67
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• 1999

In turning the chip may be produced in the form of continuous chip or discontinuous one. Continuous chips produced at high speed machining may hit the newly cut workpiece surface and adversely affect the appearance of the surface finish and may interfere with tool and sometimes induce tool fracture. In this study relationship between AE signal and chip form was experimentally investigated, The experimental results show that types of chip form are possible to be classified from the AE signal using fuzzy logic.

• 한국생산제조학회지
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• 제7권2호
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• pp.40-46
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• 1998

In order to achieve high flexibility in manufacture, chip control is one of the most serious problems at present. The continuous type chip (uncontrolled chip), which interrupts the normal cutting process and damages the operator, tool and workpiece have a higher force ratio. while the controlled chip which is 6 or 9 type and C type, has the values of the force ratio below 0.6 The chips were classified by 4 types. in chip formation and by described chip history during the cutting process. Finally, the feasibility of utilizing force ratios in chip control will be pointed out while comparing generated force signals during the cutting process.

• 센서학회지
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• 제8권6호
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• pp.469-475
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• 1999

공작기계의 자동화 고속화에 의해 절삭 작업은 향상되고 있지만 선삭시 발생하는 연속형 고속형칩은 작업능률을 저하시킴으로 AE센서를 이용한 절삭 실험을 통하여 절삭 조건에 따른 AE 신호의 특징을 분석하고 칩과 관련된 신호특성을 분석결과 칩 형상에 가장 중요한 요인이 되는 것은 AE진폭 신호와 AE 에너지 신호였음을 확인하였으며, AE진폭 신호와 AE에너지 신호를 통계적 처리한 결과 에너지신호 보다는 진폭 신호의 첨도값이 선삭시 절삭특성을 잘 나타내 주고 있었으며, 비절삭에너지를 이용하여 절삭성능을 종합적으로 평가하였다.