loose-fit
loose-fit — 名詞
1. in mechanical engineering, a condition where two mating parts are designed with
鬆配合
零件間保留間隙的配合
in mechanical engineering, a condition where two mating parts are designed with a deliberate gap between them, allowing the parts to slide, rotate, or be taken apart without force or jamming.
The piston rings have a loose-fit inside the cylinder groove so they can expand freely when the engine heats up.
活塞環在汽缸溝槽內採用鬆配合，以便引擎升溫時能自由膨脹。
purpose clause: 'so they can expand freely'
The quality inspector measured a loose-fit between the shaft and the bearing housing during the final check.
品質檢驗員在最終檢查時測量到軸心與軸承座之間為鬆配合。
engineering context: shaft and bearing
Bolts on the engine cover should have a loose-fit so mechanics can remove them quickly without special tools.
引擎蓋上的螺栓應該採用鬆配合，這樣技師無需特殊工具就能快速拆卸。
The carpenter chose a loose-fit for the wooden drawer slides to prevent them from sticking on humid days.
木工師傅為木製抽屜滑軌選用鬆配合，防止潮濕天氣時抽屜卡住。
- clearance fit
more formal engineering term, especially in technical drawings and standards
- sliding fit
a specific subtype where the parts can slide smoothly against each other
- free fit
used informally to describe a very loose connection with no binding
- interference fit
the opposite condition where the parts are pressed together with no clearance
- press fit
a type of interference fit assembled under pressure
文法句型
a loose-fit between [part A] and [part B]
have a loose-fit
用法筆記
Commonly found on engineering drawings, quality inspection reports, and assembly instructions. Describes an intentional design feature, not a manufacturing defect or a worn-out part.