Advantages, disadvantages and Application a It can transmit motion smoothly and their dynamical characteristics are very good. Noise and vibration is very low. a Any ratio between motion time and dwell time can be designed, and positional accuracy is high and reliable a Used in high-speed high-accuracy index mechanisms. The hourglass-cam index mechanism has higher index accuracyAdvantages, Disadvantages and Application ◼ It can transmit motion smoothly and their dynamical characteristics are very good. Noise and vibration is very low. ◼ Any ratio between motion time and dwell time can be designed, and positional accuracy is high and reliable. ◼ Used in high-speed, high-accuracy index mechanisms. The hourglass-cam index mechanism has higher index accuracy