Umbra ball screws equipped with Cerbec silicon-nitride bearing balls handle loads to 1,800 kN, axial speeds to 160 m/min, and accelerations to 3 g. The use of Cronidur 30 steel for certain components ...
Umbra Cuscinetti s use of ceramic balls spaced by smaller idler steel balls creates a cage effect in its ballscrews to optimize rigidity and eliminate wear issues. Ballscrews in injection-molding ...
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