지정품명부호 검색

중앙에 구멍이 난 원형품목으로 두개의 동심형(내부,외부) 강철링으로 구성되었으며 내부링은 외부링보다 직경이 작고 더 높다. 이들 링은 두게의 정밀공차의 와셔사이에 삽입되어 있다.

An item round in shape having a centrally located hole. It consists of two concentric (inner and outer) steel rings, the inner ring is smaller in diameter and higher than the other. These rings are sandwiched between two close tolerance plain washers. As the assembly is tightened, the inner ring takes the load and is deformed until the loose outer ring is bound between the upper and lower plain washers and cannot be moved. The tightened load in the bolt is equal to the load required to compress the inner ring. When the binding of the outer ring occurs and can not be moved, it is a sign that the desired load has been reached.