back-geared
Học thuậtThân thiện
Definition
- Adjective:
- (of a lathe) equipped with gearing for reducing the speed of the spindle from that of the driving pulley: Describes a lathe that has a specific gear system, called back gears, which allows the machine's spindle to rotate at a slower speed than the pulley that drives it. This provides greater torque and control for machining harder materials or performing heavy cuts.
Usage Examples
- Adjective:
- The workshop purchased a back-geared lathe for more precise metalworking.
- A back-geared machine is essential for turning large-diameter steel rods.
Advanced Usage
- Technical Context: The term is highly specific to mechanical engineering and machining. It is used to specify a key feature of a lathe's capability. The back gears are typically engaged or disengaged via a lever.
- For this deep cut, you need to engage the back-geared function to prevent stalling.
Variants and Related Words
- Back gear (noun): The actual gear assembly that provides the speed reduction.
- The lathe's back gear was damaged and needed replacement.
- Geared head lathe (noun): A more modern type of lathe that uses a gearbox for speed changes, often encompassing the function of a back-geared lathe.
Synonyms
- Reduction-geared (in a similar mechanical context).
- Slow-speed capable (descriptive synonym).
Notes on Meaning
This term has a single, highly technical meaning related to machinery. It is not used in general language or figurative contexts. The hyphenated form "back-geared" is the standard adjectival form derived from the noun "back gear."
Adjective
- (of a lathe) equipped with gearing for reducing the speed of the spindle from that of the driving pulley
- a back-geared lathe