AGMA 940-A09-2009 pdf download AGMA Standards

AGMA 940-A09-2009 pdf download

This information sheet addresses epicyclic gear drives which utilize double helicaltype gearing on the planetary elements. It is intended to be a supplement to and used in conjunction with ANSI/AGMA 6123-B06, Design Manual for Enclosed Epicyclic Gear...
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AGMA 939-A07-2007 pdf download AGMA Standards

AGMA 939-A07-2007 pdf download

This information sheet gives the background and basic guidelines to consider the feasibility of austempered ductile iron (ADI) for gear applications. It contains experimental, experiential and anecdotal information to as- sist in the specification, purchase and manufacture...
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AGMA 10FTM17-2010 pdf download AGMA Standards

AGMA 10FTM17-2010 pdf download

In most of the gear drives, when the driving torque is suddenly reduced as a result of power off, torsional vibration, power outage or any mechanical failure at the transmission input side, then gears will be rotating...
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AGMA 10FTM16-2010 pdf download AGMA Standards

AGMA 10FTM16-2010 pdf download

In epicyclic gear sets aimed at aeronautical applications, planet-gears are generally supported by spherical roller bearings with bearing outer race being integral to the gear hub. This paper presents a new method to compute roller load distribution...
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AGMA 10FTM15-2010 pdf download AGMA Standards

AGMA 10FTM15-2010 pdf download

It is a common practice in high power gear design to apply relieves to tooth flanks. They are meant to prevent stress concentration near the tooth edges. Gears with crownings have point contact without load. When load...
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AGMA 10FTM14-2010 pdf download AGMA Standards

AGMA 10FTM14-2010 pdf download

Gears with an asymmetric involute gear tooth form were analyzed to determine their bending and contact stresses relative to symmetric involute gear tooth designs which are representative of helicopter main drive gears. Asymmetric and baseline (symmetric) toothed...
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AGMA 10FTM13-2010 pdf download AGMA Standards

AGMA 10FTM13-2010 pdf download

Present wind turbine gearbox design usually includes one or two planetary gear stages and at least one high speed helical gear stage, which play an important role regarding noise and vibration behaviour. Next to the overall noise...
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AGMA 10FTM12-2010 pdf download AGMA Standards

AGMA 10FTM12-2010 pdf download

The lubrication of gears has two major functions: Reducing friction and wear as well as dissipating heat. The power losses, especially the no-load losses, decrease with decreasing immersion depth using dip lubrication. The load-dependent gear power losses...
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AGMA 10FTM11-2010 pdf download AGMA Standards

AGMA 10FTM11-2010 pdf download

Point- Surface-Origin, PSO, macropitting occurs at sites of Geometric Stress Concentration, GSC, such as discontinuities in the gear tooth profile caused by micropitting, cusps at the intersection of the involute profile and the trochoidal root fllet, and...
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AGMA 10FTM10-2010 pdf download AGMA Standards

AGMA 10FTM10-2010 pdf download

The connection between transmission error and noise and vibration during operation has long been established. Calculation methods have developed to describe the influence such thatit is possible to evaluate the relative effect of applying a specific modification...
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