JOURNAL BOX Meaning and
Definition
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A journal box is a crucial component of a machine or device that has rotating or moving parts, particularly in the field of engineering and mechanics. It serves as a housing or casing for a journal bearing, which is responsible for reducing friction and allowing smooth rotation or movement of a shaft or axle.
Typically made of metal, the journal box is designed to provide protection and support for the journal bearing, which encapsulates the rotating component, such as a shaft or axle. The box ensures that the bearing remains securely in place and facilitates the proper alignment and functioning of the rotating parts.
The journal box is commonly used in various applications, including locomotives, railcars, heavy machinery, and automotive vehicles. In the case of a locomotive, for instance, the journal box holds the bearing for the locomotive's axle, allowing smooth rotation and reducing wear and tear on the system. Its use is particularly critical in environments where forces and vibrations are prominent and can potentially damage the rotating components.
Maintenance and upkeep of the journal box are important to ensure its proper operation and to prevent failures or breakdowns. Regular inspection and lubrication of the journal bearing within the box are key aspects of maintenance, promoting smooth movement, minimizing friction, and extending the lifespan of the entire system.
Common Misspellings for JOURNAL BOX
- hournal box
- nournal box
- mournal box
- kournal box
- iournal box
- uournal box
- jiurnal box
- jkurnal box
- jlurnal box
- jpurnal box
- j0urnal box
- j9urnal box
- joyrnal box
- johrnal box
- jojrnal box
- joirnal box
- jo8rnal box
- jo7rnal box
- jouenal box
Etymology of JOURNAL BOX
The term "journal box" is primarily used in the context of locomotives and refers to a box-like enclosure that contains the journal bearing of an axle. The etymology of this phrase can be understood by analyzing the individual words:
1. Journal: The word "journal" in this context refers to a bearing or a sleeve that supports a rotating shaft or axle. The origin of the term can be traced back to Middle English, where it was borrowed from the Old French word "jurnal" meaning "daily". It originally referred to a daily record or log, but over time, the term came to be used for a device that facilitated the turning or rotation of a shaft.
2. Box: The term "box" is derived from the Old English word "box" or "boxe", which originally referred to a container made of wood or other materials.
Similar spelling words for JOURNAL BOX
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