CUTTING TOOL ION NEUTRALIZER AND METHOD
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Abstract
A METHOD AND DEVICE FOR REDUCING TOOL WEAR OF METALCUTTING TOOLS. THE TOOL LIFE IS INCREASED BY PREVENTING FLOW OF ELECTRONS FROM THE TOOL AND CONSEQUENT IONIZATION OF THE TOOL METAL ATOMS DURING THE MACHINING PROCESS. THIS IS ACCOMPLISHED IN THE PREFERRED EMBODIMENT BY THE USE OF AN ION NEUTRALIZER DEVICE WHICH SENSES THE POLARITY AND MAGNITUDE OF ELECTRON FLOW AND GENERATES AND OPPOSITE POLARITY AND EQUAL MAGNITUDE ELECTRON FLOW WHICH IS DIRECTED INTO THE TOOL. THE ELECTRON FLOW IS REDUCED IN OTHER EMBODIMENTS OF THE DEVICE BY INSULATING THE TOOL FROM THE WORKPIECE OR BY INSULATING THE TOOL OR WORKPIECE FROM THE MACHINE FRAME.
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