WFM057-74 teeth

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Gears are components in mechanical transmissions that transmit power through the meshing of gear teeth.

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  Gears are components in mechanical transmissions that convey power through the meshing of gear teeth; they can be classified according to tooth profile into spur gears, helical gears, bevel gears, and other types. The core parameters of a gear include the module (which determines the tooth size and is related to the pitch), the pitch circle diameter (determined by the product of the module and the number of teeth), and the pressure angle (which affects the meshing characteristics). Meshing must comply with the fundamental law of gear tooth profile engagement: the transmission ratio is determined by the position of the intersection between the common normal at the point of contact and the line joining the centers of the two gears, thereby forming conjugate tooth profiles that ensure a constant transmission ratio.
 

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