ổ bi
Học thuậtThân thiện
Definition
Noun: - Ball-bearing: A mechanical component consisting of a set of steel balls held within a ring (race), designed to reduce friction between rotating parts, such as in wheels or motors.
Usage Examples
- Noun:
- Xe đạp này cần thay ổ bi. (This bicycle needs its ball-bearing replaced.)
- Ổ bi bị hỏng gây ra tiếng ồn khi động cơ hoạt động. (A damaged ball-bearing causes noise when the engine operates.)
- Công việc của anh ấy là lắp ổ bi vào các trục quay. (His job is to install ball-bearings onto rotating shafts.)
Advanced Usage
- Technical/Engineering Context: The term is used almost exclusively in mechanical and engineering contexts to refer to the specific component.
- Thiết kế này sử dụng ổ bi để giảm ma sát tối đa. (This design uses ball-bearings to minimize friction.)
Variants and Related Words
- Vòng bi: A synonym for ổ bi, also meaning "ball-bearing" or "bearing." It is often used interchangeably.
- Cửa hàng bán các loại vòng bi công nghiệp. (The store sells various types of industrial bearings.)
- Bạc đạn: A common vernacular term in Vietnamese, especially in informal or workshop settings, for ổ bi.
- Chiếc máy này kêu vì bạc đạn bị khô. (This machine is noisy because its bearing is dry.)
Synonyms
- Bearing (n): A more general term in English for a machine element that constrains relative motion and reduces friction between moving parts. "Ball-bearing" is a specific type of bearing.
- Rolling-element bearing: The technical category that includes ball-bearings.
Related Phrases (Technical Terms)
- Ổ bi đỡ: Radial ball-bearing (designed primarily to support radial loads).
- Ổ bi chặn: Thrust ball-bearing (designed to handle axial loads).
- Hỏng ổ bi: Ball-bearing failure.
- Nguyên nhân sự cố là do hỏng ổ bi. (The cause of the breakdown was ball-bearing failure.)