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    • 1. 发明授权
    • Device for forming and welding blanks in superplastic material
    • 用于在超塑性材料中形成和焊接坯料的装置
    • US4601422A
    • 1986-07-22
    • US743517
    • 1985-06-11
    • Guy DumargueJean L. Comercon
    • Guy DumargueJean L. Comercon
    • B21D26/055B23K20/02B23K37/00
    • B21D26/055B23K20/02
    • The invention relates to a device for forming and welding blanks in a material able to become superplastic, of the type comprising cooperating dies between which such blanks are placed, which dies are respectively mounted on a lower frame and on an upper frame of the device.The device according to the invention is remarkable in that the lower frame is constituted of a base and of a vertically movable part carrying a die, in that an inflatable bladder is interposed between the base and the movable part of the lower frame, in that a mechanical a lock is provided for connecting together the the base and the upper frame, when the latter is in low position, and in that, in the low and locked position of the upper frame with respect to the base of the lower frame, cooperation of the dies is achieved by controlling the bladder.
    • 本发明涉及一种用于在能够变成超塑性的材料中形成和焊接坯料的装置,该装置包括在其间放置这种坯料的配合模具,该模具分别安装在下框架和装置的上框架上。 根据本发明的装置是显着的,因为下框架由基座和承载模具的可垂直移动部件构成,其中可充气囊被插入在底架和下框架的可移动部分之间, 提供了一种机械锁,用于将底座和上框架连接在一起,当后者处于低位置时,并且在上框架相对于下框架底座的低和锁定位置中, 通过控制膀胱来实现模具。