Pulley transmission principle
这里是标题一h1占位文字
The static friction of the driving pulley to the belt is the driving force, and the static friction of the belt to the driving pulley is the resistance. The static friction force of the belt on the driven wheel is the driving force, and the static friction force of the driven wheel on the belt is the resistance. The static friction torque received by the driving pulley is the resistance torque, which is opposite to its rotation direction; the static friction torque received by the driven pulley is the dynamic torque; in the same direction as its rotation, the two static friction forces received by the belt above and below the pulley are always in opposite directions. When the two frictional forces are opposite, the belt is in a relaxed state; when the two frictional forces are opposite, the belt is in a taut state. The belt drive relies on the static friction of the belt to transmit torque, so that the speed of the pulley is faster or slower.
The static friction of the driving pulley to the belt is the driving force, and the static friction of the belt to the driving pulley is the resistance. The static friction force of the belt on the driven wheel is the driving force, and the static friction force of the driven wheel on the belt is the resistance. The static friction torque received by the driving pulley is the resistance torque, which is opposite to its rotation direction; the static friction torque received by the driven pulley is the dynamic torque; in the same direction as its rotation, the two static friction forces received by the belt above and below the pulley are always in opposite directions. When the two frictional forces are opposite, the belt is in a relaxed state; when the two frictional forces are opposite, the belt is in a taut state. The belt drive relies on the static friction of the belt to transmit torque, so that the speed of the pulley is faster or slower.
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