PROBLEM TO BE SOLVED: To provide a machine learning device that can predict shocks to a teaching device in advance and prevent it, a shock prevention system of the teaching device, and a machine learning method.SOLUTION: A machine learning device 2, which learns shocks to a teaching device 10, includes a state observation unit 21 which observes data based on an inclination of the teaching device or a present position of the teaching device; a label obtaining unit 23 which obtains a label based on a shock received by the teaching device; and a learning unit 22 which generates a learning model based on an output of the state observation unit and an output of the label obtaining unit.SELECTED DRAWING: Figure 1
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