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The federal government estimates that manufacturing uses about one third of the energy consumed in the U.S., so manufacturing companies can play an important role in building a sustainable future.
Part I of this article appeared in the
October 2008 issue. It provided an overview and general classifi cations of power transmission couplings, along with selection and performance criteria for rigid couplings and misalignment-compensating couplings. Part II continues the discussion with selection and performance criteria for torsionally flexible and combination-purpose couplings.
Th e primary sources of bearing failure
are lack of lubrication and contaminant
ingress. Industrial sealing devices are the primary protection against bearing failure. When the sealing device fails, bearing failure is imminent. Th erefore, extending
the life of sealing devices extends bearing life and in turn improves equipment uptime.
Th e signing of a contract for more than 5,000 sets of SKF’s latest high-capacity cylindrical roller bearings (HCCRB) for wind turbines will impart added load-carrying capacity, more
reliability and longer life to the Nanjing Gear Company’s (NGC) line of gearboxes for wind generation applications.
Power transmission couplings are widely used for modifi cation of stiff ness and damping in power transmission
systems, both in torsion and in other
directions (misalignment compensation).