Bushing

Definition

A bushing is a removable cylindrical lining for an opening, used to limit the size of the opening, resist abrasion, or serve as a guide. It can also be an electrically insulating lining for a hole to protect a through conductor.

Purpose

Bushings serve multiple functions, including reducing wear and tear on openings, guiding components, and providing electrical insulation. They are crucial in mechanical systems for prolonging the lifespan of moving parts and in electrical systems for ensuring safety and preventing short circuits.

Examples of Use

1. Mechanical Systems: Bushings in machinery to reduce friction and wear on moving parts.
2. Electrical Systems: Insulating bushings in electrical panels to protect wires passing through metal surfaces.
3. Piping Systems: Bushings used in pipelines to guide and support the movement of fluids or gases.

Related Terms

• Bearing: A component that supports and reduces friction in moving parts, similar to bushings in function.
• Sleeve: A tube that fits over a rod or shaft, often used for protection or to reduce friction.
• Insulator: A material used to prevent the passage of electricity, similar to electrical bushings.

Notes

Selecting the correct type of bushing for an application is critical to ensure optimal performance and longevity. Regular inspection and replacement of worn bushings can prevent damage to other components.