MOTOR MONITORING DEVICE

A motor monitoring device according to one embodiment of the present disclosure includes: a program acquisition unit that acquires a machining program including a plurality of blocks executed in a machine tool; a rotational speed acquisition unit that acquires a rotational speed of a spindle motor of the machine tool; an output value acquisition unit that acquires an output value of the spindle motor; a program display unit that displays partial program information including a part of the machining program or information indicating a position of the part; a graph display unit that displays a graph in which a mark indicating a combination of the rotational speed and the output value is plotted in a graph region in which one axis is the rotational speed and the other axis is the output value; and an information storage unit that stores the rotational speed and the output value in association with the block. 本公开的一个方式所涉及的马达监控装置具备：程序获取部，其获取在机床中执行的包含多个块的加工程序；转速获取部，其获取所述机床的主轴马达的转速；输出值获取部，其获取所述主轴马达的输出值；程序显示部，其显示部分程序信