Spindle Error Analyzer: Tests Performed-
Fixed Sensitive Radial

Fixed Sensitive Radial acquires displacement in the X direction relative to angular position and displays the data in a polar plot.
This test is valid for processes such as turning and some grinding processes where the part is rotating in the spindle, or where the point of contact between the grinding wheel and part are at a fixed position such as surface grinding.
It measures changes in the axis of rotation in one direction and evaluates the following aspects of machine tool performance:
| Performance Parameter |
Related Source Problems |
| Roundness capability due to synchronous spindle error motion |
Out of round bearing races
Out of round bearing seats
Misaligned bearing seats |
| Surface finish capability due to asynchronous spindle error motion |
Bearing wear
Improper preload
Structural vibration |
| Performance degradation at specific speeds |
Inadequate stiffness
Imbalance
Resonant frequencies of machine |
| Data Collected |
Calculated Values |
| X (One Probes) |
TIR X, TIR Y
Total Error
Asynchronous Error
Synchronous Error
RPM |