When designing a spur-crown pair, is there a formula, guideline or design guide for adapting the spur teeth for the radial angle of the teeth in the crown?

This paper summarizes the chemical, metallurgical and physical aspects of bearing steels and their effect on rolling bearing life and reliability.

The complete Technical Calendar from the October 2011 issue of Power Transmission Engineering.

Suggesting a bicycle is environmentally friendly is stating the obvious. But the Copenhagen Wheel, unveiled at the 2009 COP15 United Nations Climate Conference, is taking green technology and cycling in a new direction.

An exploration of direct drive motor trends and examples of design uses for direct drives as replacements for gear drives or belt drives.

Few industries are experiencing change quite as fast as the packaging arena. Lighter-weight containers are being introduced to reduce costs and energy use, packaging is being redesigned to attract consumer attention and manufacturers are using fewer materials in an effort to address environmental concerns.

Few would now argue that what some may have perceived just a few years ago as “Chicken Little” stories regarding the depletion of this country’s skilled manufacturing workforce are now in fact firmly based in stark reality.