Sprocket chain definition: A sprocket is a wheel with cogged sprocket teeth. Chains are generally metal links or rings.

Purpose of the sprocket：It is to mesh with the accurately pitched blocks on the link or cable. Sprockets are widely used in mechanical transmission in chemical industry, textile machinery, escalators, wood processing, three-dimensional parking garages, agricultural machinery, food processing, instrumentation, petroleum and other industries.

Purpose of chain: It is mostly used for mechanical transmission and traction. Modern chain transmission devices form a compact whole between the connecting parts of a machine. It is a key component to improve mechanical performance.