The calculation of torque depends on the number of teeth. Generally, by reducing the speed, a small torque at the input side is transmitted as a larger torque at the output side. How to determine torque transmission (without regard to machine efficiency)Ī gear’s transmission torque changes as it increases or decreases speed. In other words, torque T is the factor determined by L (the distance from the center of rotation) and load F.ģ. On the other hand, torque T becomes larger as load F is increased even if L (the distance from the center of rotation) is short. Torque T becomes larger as L (the distance from the center of rotation) becomes longer even if load F is small. Torque T is expressed as the following formula in N・mm (Newton millimeter). Torque is the turning force when load F (N) is applied at a distance L (mm) away from the center of rotation. You can increase or decrease a gear’s torque (turning force) by changing the number of rotations. (Table 3-1)Ĭhange rotational direction (clockwise / counterclockwise)Ĭhange the number of rotations (speed up / down)Ĭhange turning force (increase / decrease torque) Here is the list of gear functions for mechanism designs. The first step of mechanism design using gears.
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