Our customer wanted to requalify his Hardinge T42 spindles to make sure he continued to hold the very tight tolerances required for his customers products. As this took all four machines down at once we rush repaired them with grinding work and hand carried the spindles back within days of receiving them.
Running this spindle too long caused deformed ball bearings and damage to the outer race
Damage to the outer race is consistent with prolonged operation after spindle exhibited initial signs of needing to be rebuilt
Every spi…Read More