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Article | REF: B5650 V1

Mechanical chains

Authors: Bernard KOHLER, Edgard SZTRYGLER

Publication date: February 10, 1989

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5. Sprockets and wheels

We've mentioned sprockets several times in the preceding paragraphs: they can't be dissociated either from the chain's operation, which owes its complex kinematics to them, or from the chain's longevity, which depends very much on the care taken in their design and manufacture.

Let's take a closer look at the descriptive and normative aspects of sprockets and wheels in isolation.

5.1 Different types

  • The term "pinion" is generally used when the number of teeth is less than 25 or 30, and "wheel" for higher numbers of teeth.

  • Manufacturers offer different hub shapes (figure 45...

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