Holding down clamp for use in water jet cutting system, has suction channel comprising suction channel inlet and suction channel outlet, where suction channel inlet is connected with contact surface provided to place job-piece to be cut

摘要

The device has a contact surface provided to place a job-piece to be cut, and a venturi nozzle (20) comprising a nozzle channel (21) and a suction channel (26) that is connected with the nozzle channel. The suction channel comprises a suction channel inlet (27) and a suction channel outlet (28), and the nozzle channel comprises a nozzle channel inlet (22) and a nozzle channel outlet (23). The suction channel outlet is connected with the nozzle channel and provided between the nozzle channel inlet and the nozzle channel outlet. The suction channel inlet is connected with the contact surface.