Patent ID: 7437211

Claim:
A system for controlling a computer numerical control machine tool, the system comprising: a remote jog handle including a plurality of coaxial rotary knobs configured to control the machine tool, the plurality of coaxial rotary knobs including a first rotary knob deflectable from a neutral position, a second rotary knob and a third rotary knob; and a controller configured to: receive information corresponding to an actuation of the third rotary knob and to output a control signal to select an axis of movement of the machine tool from a plurality of selectable axes of movement, receive information corresponding to an actuation of the second rotary knob and to output a control signal to control a movement of the machine tool in the selected axis of movement in discrete steps, and receive information corresponding to an amount of deflection of the first rotary knob from the neutral position and to output a control signal to control a movement of the machine tool in the selected axis of movement at a rate corresponding to the amount of deflection of the first rotary knob from the neutral position.