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 MoreMatsuura RA3-62 Spindle Repair
The Matsuura RA3-62 is a CNC vertical machining center. It comes fitted with a grease lubricated spindle that is capable of running up to 8,000 rpm.
CHALLENGE
A customer sent in this Matsuura RA3-62 spindle due to the spindle and tool being warm to the touch when running at 6,000 rpm. Upon arriving to Northland Tool and Electronics, we noted that the bearings were noisy and a little rough when spun by hand. After finishing the disassembly and evaluation, we found that the taper had light pock marks and the gripper fingers showed light wear. The rear labyrinth ring was full of drill holes, but they are cosmetic only. We will use the gripper fingers and rear labyrinth as is. No significant dimensional deviations were noted for this repair.
SOLUTION
The following actions were performed on this Matsuura RA3-62 spindle:
- Clean, inspect overall dimensions
- Replace bearings, o-rings, crush rings, and assembly screws
- Kiss grind BT taper to clean up
RESULT
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.
Does your spindle need repair? GET A QUOTE TODAY
More Case Studies
Repair History - Here are examples of similar spindle repairs that may contain additional information that will help you. If you have additional questions, please contact us.
Downtime is inevitable for any machine, but knowing how to reduce downtime or minimize its likelihood is critical.
Read More