The Mazak VARIAXIS is a highly versatile line of full, simultaneous 5-axis machining centers that perform multiple and complex curved surface machining on large, heavy workpieces in single setups.
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Mazak H630, 4500 RPM, grease lubrication, gear driven The interior of this horizontal machining center spindle was thoroughly contaminated with coolant which had washed out… [...]
NTE has always had a good relationship with Machine Tool Rebuilders. We received a call from a MTR in Canada. We have worked with this… [...]
Failure: Bearing failure due to heavy coolant contamination. Bearing raceways micro-machined by debris from rolling elements. Pulley drive key rusted into shaft. [...]
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…