| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide technique in which no chips and dross occurred at the time of cutting stick to a blank or a roll. SOLUTION: Guiding grooves 51,... for receiving chips and dross 50,... are arranged among pair rolls 5,... and at positions opposed to laser output ports 60-63, the lower parts of these guiding grooves 51,... are connected with a recovery box 53 and this recovery box 53 is connected with a blower 56 so that the chips and dross drop into the recovery box 53 by gravity and suction force. Consequently, the chips and dross entered into the guiding grooves can be sucked downward and dropped into the recovery box.</p> |
