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The anatomy of roller chains: understanding the components and functions

Roller chains are widely used in many industries for transmitting power and motion from one rotating shaft to another. Understanding the components and functions of roller chains is essential to selecting the right chain for a particular application and ensuring optimal performance and longevity.
The basic structure of a roller chain consists of inner and outer link plates connected by pins and bushings. The pins are press-fitted into the inner link plates and the bushings are press-fitted into the outer link plates. The rollers are then placed on the bushings and held in place by the side plates. This creates a continuous loop of components that can transmit power from one shaft to another.
The most important components of a roller chain are the pins, bushings, and rollers. These components work together to provide smooth, efficient power transmission while minimizing wear and tear. The pins are designed to rotate inside the bushings, which in turn rotate inside the rollers. This allows the chain to move smoothly and efficiently without binding or slipping.
The side plates are another important component of the roller chain. They provide lateral stability to the chain, preventing it from twisting or bending under load. The side plates also protect the chain from external contaminants, such as dust, dirt, and moisture, which can cause premature wear and damage.
In addition to the basic components, roller chains may also include additional features such as special coatings or surface treatments to improve performance and durability. For example, some chains may have zinc or nickel plating to resist corrosion, while others may have heat treatment to increase hardness and strength.
In summary, roller chains are complex mechanical components with multiple parts and functions. Understanding the anatomy of roller chains is essential to selecting the right chain for a particular application, ensuring optimal performance and longevity, and minimizing downtime and maintenance costs. With proper care and maintenance, roller chains can provide reliable and efficient power transmission for many years to come.
A series ANSI 140 duplex roller chain heavy duty drive chain from china
Model number 140-2
Structure Roller chain
Function Conveyor chain
Standard or nonstandard Standard
Material 40Mn or required
Application Transmission and conveyor system
Surface treatment Heat treatment
Pitch 44.45mm
Packing Carton box