Johnford St 80 900RPM Spindle Repair
In this spindle repair process you can see how much larger the Johnford St 80 spindle is compared to a basic spindle. In this photo Denton is holding a robodrill from a previous spindle repair. In comparison the Johnford St 80 is a much larger spindle. Northland Tool handles spindle repairs of all sizes. 
- Johnford Spindles
Johnford Spindle
7,500 rpm
40 taper
This spindle failed from coolant contamination that deteriorated the bearing grease. This is a common mode of failure for Johnford spindles especially those that have the through tool coolant option. Northland Tool has developed a package that will decrease the failure rate! We have incorporated it on several machines with continued success. If you are experiencing high rates of spindle failure call us to discuss your repair options.