Machine Tool Metrology

Spindle Error Analyzer Tests Performed:
Axial Error Motion

axial error motion plot

Axial Error Motion acquires distance data from one probe in the Z axis (typically channel 3). The probe measures the axial motion of the spindle. Angular position data is also required and is obtained from the eccentricity motion measured by another probe in the X or Y axes or an index or encoder signal. It measures changes along the axis line and evaluates the following aspects of machine tool performance:

Performance Parameter

Related Source Problems

Surface finish capability Bearing wear
Improper preload
Structural vibration
Performance degradation at specific speeds Inadequate stiffness
Imbalance
Resonant frequencies of machine

 

Data Collected

Calculated Values

Z (One Probe) Fundamental
Residual Error
Total Error
Asynchronous Error
RPM

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