2. Indexers
2.1 Definitions
Indexers are mechanisms that transform a continuous rotational movement into a sequence of regular movements alternating with periods of rest. These movements can be rotational or translational
Generally speaking, one complete revolution of the input movement corresponds to a fraction of a revolution of the output movement and an elementary stopping time. During this stopping time, the output shaft must be immobilized regardless of the loads to which it is subjected: this is the locking function. An indexer cycle is shown in figure 44 .
Indexers have a wide range of applications,...
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Indexers