Display device of press machine and press working monitoring method

Abstract

A display device of a press machine includes a calculation part that generates a plurality of images and a display part that displays the plurality of images. The plurality of images includes an annular or arc-shaped first image representing a stroke of a current sliding motion, a second image representing an input range of a sensor signal corresponding to a motion of an accessory device in conjunction with the press machine, and a third image representing a range for monitoring the sensor signal. The second image and the third image are arc-shaped or fan-shaped images concentric with the first image. The second image is displayed on the display part for a predetermined period after the sensor signal stops.

Dependencies are inferred from the claim text.