Bushing

A bushing is a cylindrical sleeve or bearing, typically made of metal, rubber, or plastic, designed to reduce friction, provide wear resistance, or act as a spacer between moving or stationary parts. It's often used in mechanical systems to guide or support a shaft, rod, or other component. Bushings can absorb shock, reduce noise, and prevent metal-to-metal contact, thus prolonging the life of the equipment they are installed in. Their size and material are chosen based on the load, speed, and environment of the application.

Bushing meaning with examples

• The mechanic replaced the worn bushing in the car's suspension, which had been causing a clunking sound when driving over bumps. The new rubber bushing now absorbs road vibration and restores smooth steering. This small part is critical for optimal performance.
• The engineer selected a durable bronze bushing for the high-speed rotating shaft in the pump to minimize friction and extend its lifespan, as the metal bushing is able to handle significant pressure and heat.
• During assembly, the technician inserted a plastic bushing into the hinge of the door to provide smooth movement and prevent metal corrosion which is important in this coastal environment.
• A faulty bushing in the washing machine’s motor led to excessive vibration and eventually caused the machine to shut down, which prompted a costly repair.
• To ensure proper alignment and reduce wear, the manufacturer included a precision-machined bushing in the control arm of the robotic arm's assembly, which ensures precise and repeatable movements.