| 摘要 |
<p>Suction device for holding in place a stack of sheet material on an automatic cutting machine table (A). The suction device comprises a turbine (4) with an air inlet circuit (41) for drawing air from the region of the cutting area to create suction for holding the stack of sheet material on the table and an air outlet circuit (40). The turbine is driven by an electric motor (5) provided with a fan (15) including an air discharge tube (50), the electric motor having means for varying rotational speed in order to regulate the suction.</p> |
