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What are the advantages and disadvantages of the continuously variable transmission?

Updated:25-10-2021
Summary:

advantage: 1. The structure is simple, the volume is sm […]

advantage:

1. The structure is simple, the volume is small, and the parts are few. The cost after mass production is definitely lower than the cost of the current ordinary automatic transmission;

2. It has a wide range of working speed ratio, which is easy to form an ideal match with the engine, thereby improving the combustion process, thereby reducing fuel consumption and emissions;

3. It has high transmission efficiency, low power loss and high economy.

shortcoming:

1. Compared with traditional automatic transmission, the cost of CVT is slightly higher;

2. From its own point of view, CVT uses steel belts or steel chains for transmission. The biggest problem is that the steel belt can withstand limited strength. When it bears high torque, it cannot break or slip. The conditions are still relatively harsh. So from this point of view, CVT is not very stable and durable.

3. There is driving experience. CVT may be more for home use, because it drives smoothly and comfortably, without a strong sense of acceleration, so there is no passion for driving. Theoretically, CVT can fully mobilize the maximum torque of the engine, so that the acceleration and deceleration performance of the vehicle is better than that of MT and AT transmissions. However, due to current technical limitations, the actual adjustments are relatively conservative.

About continuously variable transmission

CVT (Continuously Variable Transmission) technology is continuously variable transmission technology. It uses transmission belts and variable-diameter main and driven wheels to transmit power, which can achieve continuous changes in the transmission ratio, so as to obtain the best operating conditions of the drive train and the engine. Good match.

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