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Research Article

JCDR. 2019; 10(4): 227-247

Bevel Gear Design and Material Selection



Computer technology has touched all areas of today’s life, impacting how we obtain railway
tickets, shop online and receive medical advice from remote location. Computer-based design
analysis is nowadays a common activity in most development projects. Traditionally, the
design field has been identified with particular end products, e.g., mechanical design,
electrical design, ship design. In these fields, design work is largely based on specific
techniques to foster certain product characteristics and principles
The scope of this work includes, to design, to model the bevel gear, to select gear materials, to
detailed factor safety in design and to analysis bevel gears. Gears are toothed elements that
transmit rotary motion from one shaft to another. Gears are generally rugged and durable and
their power transmission efficiency is as high as 98%. Gears are usually more costly than
chains and belts. Bevel gears are gears where the axes of the two shafts intersect and the tooth
bearing faces of the gears themselves are conically shaped. Bevel gears are most often
mounted on shafts that are 90 degrees apart, but can be designed to work at other angles as
well. The pitch surface of bevel gears is a cone. Two bevel gears in mesh is known as bevel
gearing. In bevel gearing, the pitch cone angles of the pinion and gear are to be determined
from the shaft angle, i.e., the angle between the intersecting shafts. The bevel gear has many
diverse applications such as locomotives, marine applications, automobiles, printing presses,
cooling towers, power plants, steel plants, railway track inspection machines, etc.

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