| 摘要 |
PCT No. PCT/FR93/00800 Sec. 371 Date Mar. 1, 1995 Sec. 102(e) Date Mar. 1, 1995 PCT Filed Aug. 10, 1993 PCT Pub. No. WO94/05470 PCT Pub. Date Mar. 17, 1994The invention relates to a suction device for holding a stack of sheet material on a cutting table (A) of an automatic cutting machine. The suction device comprises a turbine (4) provided with a suction air inlet circuit (41) level with the cutting zone to establish suction for the purpose of holding the stack on the table, and with an air exhaust circuit (40), the turbine being driven by an electric motor (5) having a fan (15) and an air outlet duct (50), the electric drive motor (5) may vary its speed of rotation to adjust the amount of suction.
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