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A sprocket is a wheel with embedded teeth for a chain.

Jun 18,2026

A sprocket is a wheel with embedded teeth for a chain.

A sprocket is a wheel with embedded teeth designed to engage with the accurately spaced links of a chain or cable. It is a solid or spoked gear that meshes with a roller chain to transmit motion. The tooth profile of the sprocket must ensure that the chain links can smoothly enter and exit the engagement, minimizing the impact and contact stress during engagement, and it should be easy to process. The commonly used tooth profile on the end face of the sprocket consists of three segments of arcs and one straight line, referred to as a three-arc straight line tooth profile.

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