| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a crowning device in which the motorization and energy saving of the whole bending machine are possible. <P>SOLUTION: The crowning device includes: a pressure receiving cylinder 5 which receives pressurizing force of an upper table 2; a crowning cylinder 14 which is mounted in a prescribed position of a lower table 3 and generates prescribed deflection on the lower table 3; and a hydraulic conduit 16 which connects the crowning cylinder 14 with the pressure receiving cylinder 5, transmits the pressure received with the pressure receiving cylinder 5 to the crowning cylinder 14 and makes the crowning cylinder 14 operate. <P>COPYRIGHT: (C)2012,JPO&INPIT |
