Gears service factor

The special purpose gear unit should have a specified API 613 service factor of 1.4 as a minimum. The service factor used in the gear design should be selected to meet the requirements of API for the application. [Pg.330]

Gears should be specified as American Gear Manufacturer s Association (AGMA) requirements for cooling tower service in order to ensure an adequate minimum service factor rating of 2.0. The spiral bevel type is probably used a litde more often than the worm gear. It is also cheaper. When gears are used with induced draft applications, the... [Pg.253]

Table 9.37 (a) Plastic gear (a) safe bending stress (psi), (b) tooth form exam service factors pies of Y factors, and (c)... [Pg.896]

Gear boxes with at least a 1.25 service factor are recommended. However, the final decision will depend upon the horsepower and application needs. ... [Pg.290]

Before selecting an enclosed gear drive from a catalog for an application, the power to be transmitted is multiplied by a service factor to determine an equivalent power as listed in a... [Pg.523]

TABLE 5.9 Typical Subjective Service Factors for Gear Drives... [Pg.525]

Service Factor. The service factor listed in Table 5.18 for a uniformly fed elevator driven by a gear motor is 1.0. [Pg.593]

The gears are carburized, hardened, and ground. Normally single helical gears are used. They are calculated in accordance with MAAG design criteria, or to AGMA, ISO, or API standards, with a service factor of not less than 1.1. [Pg.638]

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