| 摘要 |
<p>A maintenance time monitor for determining the maintenance time of a laser beam machine system. By the information on operation of a maintenance object, a time measuring means (A) measures the time for which a maintenance object in the laser working machine system has operated. A time limit alarming means (B) senses that the measured time has arrived at a predetermined time and thereby, a maintenance time arrival display controlling means (C) displays the arrival of the maintenance time on a displaying means (D).</p> |
