Spur gears

Spur gears are components used for the transmission of rotary motion between parallel or intersecting shafts. They consist of two or more toothed wheels, called pinions, with teeth cut or machined around their circumference. These gears are called “spur” because their outer surface has a cylindrical shape.

The production of spur gears

The production of spur gears is a process that involves several steps and specialised techniques to obtain gears with precise design and quality specifications. The process begins with the design of the gears, which involves defining technical specifications such as module, number of teeth, pressure angle, type of tooth profile, tolerances and other characteristics. The most common production method for spur gears is cutting.
This is followed by grinding, a critical step in order to ensure precise tolerances and an optimum surface finish. Gears can be subjected to heat treatments such as hardening and tempering to improve the strength and hardness of the materials. Throughout the production process, stringent quality controls are necessary to ensure that the gears meet specific requirements.


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