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A Fast Generation Method of CAM Model for Machining of Jet Engines Using Shape Search

형상 검색을 이용한 제트엔진 절삭가공을 위한 빠른 CAM 모델 생성 방법

  • 김병철 (동아대학교 기계공학과) ;
  • 송일환 (한화테크윈 CAE 기술그룹) ;
  • 신수철 (한화테크윈 CAE 기술그룹)
  • Received : 2015.11.25
  • Accepted : 2015.12.22
  • Published : 2016.03.01

Abstract

Manufacturers of aircraft engines have introduced computer-aided manufacturing (CAM) software to operate and control computerized numerical control (CNC) machine tools. However, the generation of a CAM model is a time consuming and error-prone task since machining procedure and operational details are manually defined. For the automatic generation of a CAM model, feature recognition techniques have been widely studied. However, their recognition coverage is limited so that complex shapes such as a jet engine cannot be fully developed. This study presents a novel approach to quickly generate a CAM model from a CAD model using shape search techniques. Once an operator sets a machining operation as a reference operation, the same shapes as the shapes referenced by the operation are searched. The reference operation is copied to the positions of the searched shapes. The proposed method was verified through experiments with a jet engine compressor case.

Keywords

Computer-Aided Manufacturing;Computer-Aided Design;Jet-Engine Compressor Case;Shape Search

Acknowledgement

Supported by : 한국연구재단

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