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    RoboTorch Automatic Plasma Torch Height Controller

    There is linked MPG files of the RoboTorch Automatic Plasma Torch Height Controller at work at:
    http://www.super-tech.com/root/products/thc/

    The gap between the Plasma Torch tip and the metal being cut is adjusted in relationship the arc gap voltage.

    The top of the material surface is sensed either by electrical resistance change between the plasma torch tip and metal to be cut or by mechanical resistance to the initial downward motion of the plasma torch.

    The device works by intercepting the Torch on relay contact closure. Which in turn causes the torch shuttle to move the torch down to contact the surface of the metal to be cut. After the surface of the metal is sensed it moves the torch up the amount specified by the user console. Then it fires the Plasma Torch Flare, after a short stabilizing delay it maintains the torch gap voltage to be equal to the voltage set on the user control by moving the torch up or down.

    Self-contained electronics and independently microprocessor controlled.

    A stepper motor controls the Torch Shuttle vertical position. This provides active motion controls and is not a floating head.

    The device comes complete and ready to hook up. It will work with any CNC machine control program that closes relay contacts to turn on/off the plasma torch. It will work with either 120 or 240 main electrical power.

    Dennis Bohlke
    http://www.super-tech.com
    Attached Thumbnails Attached Thumbnails RoboTHC_Lifters.jpg  

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