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    • 3. 发明授权
    • Method and apparatus for pre-spinning rotor forgings
    • 用于预旋转转子锻件的方法和装置
    • US08051709B2
    • 2011-11-08
    • US12392377
    • 2009-02-25
    • Jeffrey Scott AllenRobert Lynn KeseckerJames Hamilton Grooms
    • Jeffrey Scott AllenRobert Lynn KeseckerJames Hamilton Grooms
    • G01M1/16
    • F01D5/027F05D2260/941G01M1/22G01M1/32Y02T50/671
    • A method and system for relieving forging induced residual stresses in a rotor forging balances a pre-spin machine with the forging mounted thereon at a first rotational speed and then pre-spins the forging with it mounted on the machine at a substantially greater second rotational speed. A one per rev sensor is used for determining a weight placement angle and a vibration sensor is used for determining an amount of weight to add to a spinning assembly including the forging during the balancing. High-density non-metallic balance weights adhesively attached on an inside surface of the forging or spinning assembly may be used. The rotational inertia of the spinning assembly may be checked during a spin up period by determining a rate of rotational acceleration vs. torque applied to the spinning assembly and used to stop the pre-spinning if it is to great.
    • 用于减轻转子锻造中的锻造引起的残余应力的方法和系统使预旋转机器以其第一转速安装在其上的锻造机械平衡,然后以相当大的第二转速预先安装在机器上的锻造 。 一个每转传感器用于确定重量放置角度,并且振动传感器用于确定在平衡期间添加到包括锻造的旋转组件的重量的量。 可以使用粘附在锻造或纺丝组件的内表面上的高密度非金属平衡重。 旋转组件的转动惯量可以通过确定旋转加速度与施加到旋转组件的扭矩的速率在旋转上升期间进行检查,并且如果是大的则用于停止预纺纱。