워터젯 기술의 산업응용에 관한 연구동향 및 전망
Application of Water Jet Technology to Industry-Current State, Research Trend and Prospect
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최근 에너지 ․ 자원, 소재가공, 건설, 자동차, 석유화학, 반도체 등 거의 모든 산업분야에 광범위하게 이용되고 있는 워터젯 기술에 대하여 국내․외 기술개발 현황 및 연구동향을 분석하고 그 장래를 전망하였다. 선진국을 중심으로한 국외동향에서는 주요 산업 분야별 워터젯 기술의 이용 현황과 이용되고 있는 분사 압력의범위, 워터젯의 가공원리와 분류, 워터젯 분사류 구조와 가공특성과의 관계, 워터제트의 고압발생장치의 발전 등 워터젯 기술의 발전 현황을 소개하고 현재까지 국제학회에 발표된 워터젯 관련 연구논문을 분석 한 자료를 기초로 연구개발 동향과 장래 전망을 기술 하였다. 한편 국내 기술 동향에서는 워터젯 장비 제조업체와 총 619 세트의 워터젯 장비를 사용하는 업계의 산업별 조사 통계와 기술현황, 연구동향을 조사하였다. 그 결과 워터젯 응용기술은 이 기술이 갖고 있는 장점인 컴퓨터에 의한 자동화, 원격제어가 가능 한 로봇화의 용이성과 환경 친화성 등으로 선진외국에서는 기술개발과 연구가 비교적 활발한데 비하여 국내 장비제조 및 기술개발 연구는 대단히 취약하여 이에 대한 대책과 지원이 시급하다.
Abstract
In this paper current state, R&D trend, and future prospect of water jet technology are reviewed in both foreign and domestic industries. The current state of water jet technology which includs the application fields according to their pressure ranges, cutting principle and classification of water jet, connections between jet flow structure and the processing characteristics, and the development of high-pressure pumps is briefly introduced. R&D trends and future prospects are reviewed based on an analysis of papers published at the international conferences and symposiums. The development of domestic water jet technology, the current state of industrial applications and upcoming related prospects are also reviewed, classifying them according to the two main uses of cleaning and cutting. 619 water jet systems in total that currently used in Korea are investigated statistically and classified by their industrial field and equipment specifications. As a result of the investigation domestic manufacturing technology and R&D activities significantly fall behind advanced foreign countries, and strategic measures and R&D fund supply in theses fields are demanding.
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