Designing the intermittent motion mechanism on the basis of wave gear with the internal deformation waves generator

Automatic and semiautomatic machines widely use mechanisms in which stops of the output link of a specified duration at a continuous motion of the input link are allowed within the duty cycle. Such mechanisms are called mechanisms with intermittent motion of the output link. The stop can be full or nearly full (quasi stop), and its duration either predetermined, or uncertain. To transmit the intermittent motion to the output link, various mechanisms are used: clickwork and anchor escapement mechanism, Geneva wheel and stellate mechanism, linkwork with stops and freewheel. We examine a constructive scheme of the wave gear having a disk wave generator, two pairs of gear rims of a hard andflexible wheel gear providing the wave gear coupling. As a result, we offer the design methods, which include contact ratio, the stops, the torque on the output shaft, durability, strength characteristics of the flexible wheel and other quality characteristics. Application of these methods makes it possible to design an advance intermittent motion mechanism.

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