Advantages:
The structure is simple, the use and maintenance are convenient, and it is suitable for the transmission which is close to the center of the two shafts;
the noise in the transmission is low, and the speed and direction can be changed during operation;
when overload, the contact between the two wheels will be skidded, thus preventing the damage of the weak parts, Play a safe and protective role.
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Disadvantages:
1, can not guarantee the accurate transmission ratio;
2, the transmission efficiency is low, should not transfer the larger torque, mainly applies to the high speed, the small power transmission situation.
