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
Fanuc Robodrill Spindle Repair
The Fanuc Robodrill spindle is one of the spindles we see most frequently here at Northland Tool. In fact, we[...]Continue Reading
The Fanuc Robodrill spindle is one of the spindles we see most frequently here at Northland Tool. In fact, we have several models available for our spindle exchange program. If you need a quick exchange of a standard model Robodrill, this may be for you.
In some cases, our customers require their Fanuc Robodrill to perform beyond the standard operating capabilities. We are able to make customizations on most spindles to optimize performance, and we are frequently asked to modify the bearing compliment on these Robodrill models to better suit the process. This will lead to longer bearing life, and an overall better repair.
In addition to repairs and customizations, we are able to finish balance with the balance ring and drawbar, which ensures a better part finish and longer spindle life. We have seen instances where the Robodrill is installed and balanced on the machine, which causes issues and premature failure.[...] Hide Details
Upon arrival, every spindle is logged into our production tracking software system. Any issues associated with incoming condition as related to transit are noted.[...]Continue Reading
The spindles are prioritized and moved to either the disassembly technicians or to the spindle run-up room, depending on the circumstances. Our techs carefully break down the spindle into its component parts while meticulously noting their general condition as well as specific damage to them. They also photograph the process and perform a full dimensional inspection to identify excessive wear which may help identify the cause of failure.
Once the initial disassembly and evaluation are completed, the spindle is given a second look by our production manager who reviews & completes the evaluation. He will identify the mode of failure and all pertinent issues, as well as recommended corrective actions. Many evaluations are not complete until the production manager consults with the head of our grinding & machining department. We often have recommendations for additional steps the customer can take to prevent premature spindle failure in the future. We call on our 30 plus years of experience rebuilding spindles to come to these conclusions.
After our purchasing department sources all replacement part costs & lead times, the quote is generated, given a final check and communicated to the customer for approval. Once we have received the approval, production is scheduled and parts are ordered. All spindle parts are carefully cleaned and any grinding or machining operations are completed. Only when all components are available and qualified does the spindle proceed to our spindle assembly technicians. These highly trained professionals assemble all the spindle components and then perform a rigorous break-in process which may include dynamic balancing as well as thermal & vibration analysis depending on the type of spindle. After a final quality control check is performed, the spindle is given back to our shipping department, carefully boxed to minimize the possibility of in-transit damage and shipped back to you, our customer. Hide Details
Fanuc Robodrill Alpha-T21iFL Spindle Repair
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From coolant contamination to bearing failure to crashes, Northland knows that there are a variety of issues that will affect the performance of your spindle-and we’re prepared to handle them all. However, the common problems associated with this brand are:
- worn bearings
- bad o rings
- damaged screws
- taper runout
- crashed spindles