Circular openings manufacturing device, has horizontal arm that supports holder for fixable, changeable milling tool, where holder exhibits downward directed bevel, which is inclined inwards around angle from specified degrees

摘要

The device has a height-adjustable crossbeam (1) arranged on a stand (2), which can be fixed by a vacuum bracket (3). The crossbeam centrically possesses a retainer with a horizontal guidance (12) at its end. A horizontal arm (5) is guided into the guidance, and supports a holder (6) for a fixable, changeable milling tool. The holder exhibits a downward directed bevel, which is inclined inwards around an angle from 4 to 6 degrees.