| 摘要 |
<p>A device for boring and material removal by laser beam comprises an image rotator (2) and focusing device (4) with an equalizing unit (3) between them that turns with the same direction and frequency as the image rotator and comprises a parallel displacing (15) and angle adjusting (13,14) unit. The equalizing unit is adjustable in its turning position relative to the image rotator.</p> |
