Catastrophic bearing failure was the main cause of this spindle malfunction Continue reading to learn how Northland Tool performed this repair and converted a Weiss GHK 176239 spindle from grease-injected to permanent grease lubrication……Read More
Grosite U6103-36GTY.64593 Spindle Repair
The Grosite U6103-36GTY.64593 is a grinding spindle equipped with grease lubrication and a stator drive. It is capable of running up to max rpm of 3,600.
When this Grosite U6103-36GTY.64593 spindle arrived at Northland Tool it rotated freely but the bearings felt worn when spun by hand. The spindle passed our motor analyzer test incoming. After the disassembly and evaluation we recorded that the front OD taper had high run out at 6μ and both the front and rear bearings were contaminated with a black sludge. No other dimensional deviations were noted for this repair.
The following actions were performed on this Grosite U6103-36GTY.64593 spindle:
- Clean, inspect overall dimensions
- Replace bolts, o-rings, and bearings
- Replace Seal
- Kiss Grind front OD Taper
After reassembly of all components, adjusting bearing preload, and undergoing break-in and testing procedures, this spindle passed our final quality inspection before being returned to our customer with a 1-year warranty.
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In this helpful guide to spindle bearing preload, Northland Tool & Electronics will answer all the basic questions about your spindle bearing preload calculations.Read More