2010

Table Of Contents
Calculating Chains
In this AutoCAD
®
Mechanical tutorial, you calculate a chain length, and insert sprockets and
chain links into a drawing.
Key Terms
DefinitionTerm
Distance in mm or inches between centers of adjacent joint mem-
bers. Other dimensions are proportional to the pitch. Also known
as pitch.
partition
The diameter of the pitch circle that passes through the centers of
the link pins as the chain is wrapped on the sprocket.
pitch diameter
A roller chain is made up of two kinds of links: roller links and pin
links alternately and evenly spaced throughout the length of the
chain.
roller chain
A toothed wheel that transfers the power from the chain to the shaft
or the other way round.
sprocket
Chain Calculations
NOTE Before you begin this tutorial exercise, be sure the ISO standard parts are
installed on your screen.
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