Chapter 9 Kinematics of mechanisms

Figure 9.1 The Geneva mechanism

Figure 9.1 The Geneva mechanism

The Geneva mechanism consists of two wheels. The wheel centred at ‘A’ has a raised cam and a pin that protrudes from its surface and engages with the wheel centred at ‘B’ once every revolution, as shown in Figure 9.1a. During engagement, wheel B will rotate one-sixth of a revolution before the pin disengages, then, during the second half of the revolution of A, the cam on wheel ...

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