trục lăn
Definition
- Noun:
- Roller / Cylinder: A solid, cylindrical component designed to rotate on an axis, used to facilitate movement, apply pressure, or transfer motion. It is a fundamental mechanical part in many machines and devices.
- Roller (for compaction): Specifically, a heavy roller used for flattening or compacting surfaces, such as in road construction.
Usage Examples
- Noun:
- Trục lăn trong máy in đã bị mòn. (The roller in the printer is worn out.)
- Công nhân sử dụng trục lăn lớn để đầm nền đường. (Workers use a large roller to compact the roadbed.)
- Băng chuyền hoạt động nhờ hệ thống trục lăn. (The conveyor belt operates thanks to a system of rollers.)
Advanced Usage
"trục lăn mực": ink roller (in a printing press).
- Trục lăn mực cần được vệ sinh thường xuyên. (The ink roller needs to be cleaned regularly.)
"trục lăn đường": road roller, steamroller.
- Tiếng ồn từ trục lăn đường vang khắp công trường. (The noise from the road roller echoed throughout the construction site.)
Variants and Related Words
Con lăn (n): A general term for a roller, wheel, or caster, often smaller and used for guidance or support.
- Ghế văn phòng có năm con lăn. (The office chair has five casters.)
Rulo (n): A loanword (from French rouleau) sometimes used interchangeably with "trục lăn," especially for fabric or material rollers.
- Cuộn vải được quấn quanh một rulo lớn. (The fabric roll is wound around a large roller.)
Synonyms
- Roller: A cylinder that rotates.
- Cylinder: A solid geometric figure with straight parallel sides and a circular cross-section.
- Drum: A cylindrical shape, often used in machinery contexts (e.g., a dryer drum).
Related Terms
Vòng bi (n): Bearing. A device that allows a "trục lăn" or shaft to rotate with minimal friction.
- Trục lăn này được gắn với vòng bi. (This roller is fitted with a bearing.)
Trục (n): Shaft or axle. The central axis on which a roller or wheel rotates.
- Trục lăn bị gãy cần được thay thế. (The broken roller shaft needs to be replaced.)
