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> 유체 진단

유압액의 이상 유무를 알아보는 방법

3S 시스템을 사용한 유체 상태 평가

3S 시스템: 시각 검사, 후각 검사, 샘플 검사

 

시각 검사

 

유압액의 오염을 판단하는 가장 쉬운 방법은 눈으로 보는 것입니다. 깨끗한 유체는 투명한 색상이나 호박색을 띱니다. 하나 이상의 오염원이 유입되면 유체의 색이 우윳빛으로 변하거나, 탁해지거나, 비정상적인 색을 띱니다. 수분이 유입되면 유압액이 대개 우윳빛으로 변합니다. 유압액이 우윳빛으로 변한 경우 즉시 조치를 취해 유압 시스템의 심각한 손상을 막아야 합니다. 수분 유입을 차단하고 시스템에서 즉시 수분을 제거합니다. 유체를 수분 흡수 필터에 통과시키거나 전체 유압 시스템을 세척하거나 배수하여 수분을 제거할 수 있습니다.

 

후각 검사

 

화학 분해가 일어나면 유압액의 냄새가 크게 변합니다. 이런 유형의 분해는 일반적으로 혼입된 공기가 니스와 비슷한 질소 기름을 형성해 유체를 오염시키면서 발생합니다. 유압액의 냄새가 확연하게 변했다면 유체를 화학 분석을 수행하세요.

 

샘플 검사

 

대부분의 유압액 열화를 발견하려면 화학 분석이 필요합니다. 유압 시스템을 정상적으로 사용하더라도 시간이 지나면 유압액이 열화됩니다. 그렇다면 유체가 너무 빨리 또는 너무 늦게 열화하는지를 살펴봐야 합니다. 유체 분석을 통해 유체의 상태가 좋은지, 아니면 테스트 시스템과 구성요소에 손상을 줄 위험이 있는지 파악해야 합니다. 적절한 화학 분석을 통해 아직 사용 가능한 유체를 조기에 교환하여 비용을 낭비하거나 오염되거나 열화된 유체를 계속 사용해 손상을 야기시키는 것을 방지할 수 있습니다.

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