| 摘要 |
<p>In a frame (1) there is arranged a support platen (8) which is vertically adjustable at one of its ends. An optical scanning device (2, 5, 6) is fixed to the frame (1). In the support platen (8) there is arranged a slide (12) which is adjustable by means of a drive (28, 30, 31); the slide (12) carries a pivoting support (22) for a milling head. The milling head (24) bears with its rear portion on a fixed rest element and on two moving rest elements (25) in the support platen (8).</p> |
