TVET COLLEGE SUPPORT

CHAIN DRIVES

 

Type of Chain
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There is a number of different chains, depending on the application. Roller chains are the most common type of chain.  The following is a list of chains.
Roller Chain
Precision roller chains are used to transmit mechanical power between machinery components in a variety of industrial applications. They are available in different styles, including single roller chains, double roller chains, Triplex roller chain and Double-pitch roller chain.
 
Conveyor chain drives
A conveyor chain drive is a type of chain drive that uses a motor-connected chain to drive a conveyor. The chain runs along a set of rollers that each have sprockets, and the connection between the chain, sprocketed roller, and motor provides the driving force for the conveyor.
 
Leaf chains
A leaf chain is a roller-less chain made of steel link plates mounted on pins that can flex at each pin. They are also known as cable chains or balance chains. Leaf chains are often used on forklift trucks and in other material handling applications.
 
Silent chains
Silent chains are made up of stacked rows of flat, tooth-shaped driving links that mesh with sprockets having compatible tooth spaces. They typically contain guide links to maintain proper tracking of the chain on sprockets. Silent chains are used in timing/cam drive applications in automotive engines for reduced noise and vibration. They are also used in noise-sensitive environments such as enclosed spaces, mines, and residential areas.
 
Cranked link chains
Heavy duty power transmission chains manufactured from high grade alloy steels with hardened round parts. These chains are durable with a high strength and a low and even wear rate.
 
Designed for heavy loading and adverse conditions with resistance to shock loading and fatigue. They are often used in the mining and construction industries but have found penetration into other industry due to their enhanced performance. The offset/crank link design allows the chains to be easily lengthened, shortened or repaired when required.
 
Designs are available for use where the equipment is subject to heavy twisting and side bows caused by operating misalignment.