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For gear systems and rlling element bearings, there are similar designations for the failures that are identified within their respective contact surfaces. By concentrating on the contact tribo system, it is possible to go beyond the appearance...

Reduction gears for frigates, corvetes, destroyers and submarines have to bereliable, durable, easy to maintain, small in size and as light as possible. In principle, there are two ways of reducing structure bome noise emission of gear...

This paper describes the design of a straight bevel gearset with the objective of minimizing the enclosed volume. The specifications for the design are the power requirements, the gear ratio, pinion speed and the material properties. The...

Previously known calculation methods permit the compen-sation of nominal ~ actual deviations on flank surfaces of spi-ral bevel and hypoid gear sets on the basis of correction matrixes.' These are expanded forms of well known pro-portional changes,...

Face milling and face hobbing are the two principal processes used in the production of bevel and hypoid gears. A manufacturer must decide on one or the other. This paper defines the methods and the inherent characteristics...

Processes in chemical industries and power plant stations require to a certain extent variable speed drives of high power capacity. In contrast to controlled hydrodynamic or friction clutches a new system of hydrostatic controlled superimposed planetary gears...

This paper deals with the design of helical gears that have minimum transmission error and, at the same time, are less sensitive to manufacturing errors. The paper addresses two stages in design: 1) Design generation stage where...

Test results with a high speed four square gear test rig (nmax* =26 000 rpm) show the influence of speed, viscosity, base oil, type and amount of additive on the scuffing load. In some cases at high...

The ART program is structured in two phases. The first phase involves four contracts and is considered the preliminary design and component validation phase.This phase allows each contractor to develop advanced design concepts which incorporate key advanced...