The best spur gear catalogs for 2017

The cylindrical straight type gears are the most usual. Generally used for speeds small and medium, because at high speeds, if they are not rectified, or corrected, they make a variable noise. There are many great options in the market, such as Kelvingear, and spur gears are an excellent choice to improve procedures.

The cylindrical gears of the toothed helical are characterized by their helical relation to the axis of rotation. The axes can be parallel or intersect, usually at 90°. The helical gears have the advantage of transmitting more power and speed than the straight, they are quieter and last longer. In terms of the drawbacks are worn more and they need more lubrication than the straight.

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