Component balancing on a cnc machining center

A method of balancing a workpiece on a computer numerically controlled machine and balancer system comprising the steps of:

• mounting the workpiece on a spindle of the computer numerically controlled machine;
• machining the workpiece on the computer numerically controlled machine;
• rotating the workpiece about a rotational axis of the spindle;
• using the spindle balancer to measure a magnitude and phase of an initial unbalance of the machined workpiece;
• further machining the machined workpiece on the computer numerically controlled machine to reduce the initial unbalance of the machined workpiece;
• measuring a vibration magnitude and phase of the spindle and further machined workpiece using a vibration sensor arranged for sensing a limited range of vibration magnitudes to a desired accuracy;
• converting the measure of the magnitude and phase of vibration of the spindle and further machined workpiece into a measurement of magnitude and phase of a residual unbalance of the further machined workpiece;
• and
• yet further machining the further machined workpiece on the computer numerically controlled machine to reduce the residual imbalance of the further machined workpiece.

A system for machining and balancing a workpiece comprising:

• a computer numerically controlled machine having multiple axes for relatively moving a machining tool with respect to a workpiece;
• a first computer control system operatively coupled to the computer numerically controlled machine, the first computer control system including a computer readable medium having disposed thereon code for algorithmically determining processing parameters effective for compound machining of a workpiece using a tool given a preselected processing parameter for the compound machining;
• a first vibration sensor arranged for sensing a limited range of vibration magnitudes to a desired accuracy;
• a rotating balancer assembly mounted between a flange and a chuck of the computer numerically controlled machine;
• and
• the rotating balancer assembly being arranged to determine a measurement of unbalance when a first initial vibration measured by the first vibration sensor exceeds the limited range of vibration sensed by the first vibration sensor.