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Related Companies

Rotek Incorporated
Provider of rolled ring forgings in a variety of material grades and sizes. Capability to roll rings 20 to 240 inches. ISO 9001, 14001 and 18001 certified. ABS Certified.

Related Power Transmission Companies

Rotek
Rotek Incorporated, a ThyssenKrupp company and member of the ThyssenKrupp Rothe Erde group, is the North American leading manufacturer of slewing bearings (including ball and roller slewing bearings and wire-race slewing bearings). Furthermore, Rotek is a market leader for seamless forged steel and non-ferrous metal rings. Throughout the world, Rotek slewing bearings and forged rings are installed in a wide variety of applications. Rotek slewing bearings and forged rings prove every day to be important structural and connection elements used in mechanical engineering, in harbor cranes, ship deck cranes, truck cranes and construction cranes as well as in excavators, antenna systems, in aviation and aerospace, in the offshore technology, rail vehicles, telescopes, tunneling machines, wind energy turbines, underwater turbines and solar energy plants. ISO 9001, 14001 and 18001 certified. ABS certified.

Schaeffler Group USA, Inc
The Schaeffler Group is one of the worlds largest manufacturers of Rolling bearings of all types.

Articles About aviation


1 In Aviation, Pants Are Optional (May 2014)

The long and colorful history of aviation is comprised of many chapters and giants. The chapter we're reviewing in this installment of Addendum is the invention and development of the retractable landing gear.

2 Direct Gear Design for Spur and Helical Involute Gears (September/October 2002)

Modern gear design is generally based on standard tools. This makes gear design quite simple (almost like selecting fasteners), economical, and available for everyone, reducing tooling expenses and inventory. At the same time, it is well known that universal standard tools provide gears with less than optimum performance and - in some cases - do not allow for finding acceptable gear solutions. Application specifies, including low noise and vibration, high density of power transmission (lighter weight, smaller size) and others, require gears with nonstandard parameters. That's why, for example, aviation gear transmissions use tool profiles with custom proportions, such as pressure angle, addendum, and whole depth. The following considerations make application of nonstandard gears suitable and cost-efficient: