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What does a metal belt-type CVT system mainly include?

2 Answers

DiFrank

07/25/25 9:21pm

CVT system mainly includes basic components such as the driving pulley set, driven pulley set, metal belt, and hydraulic pump. The following are relevant details: 1. Metal belt: The metal belt consists of two metal rings and hundreds of metal plates. 2. Driving pulley set and driven pulley set: Both the driving set and the driven pulley set are composed of a movable disc and a fixed disc. The side of the pulley near the oil cylinder can slide on the shaft, while the other side is fixed. Both the movable disc and the fixed disc have a conical surface structure, and their conical surfaces form a V-shaped groove to engage with the V-shaped metal transmission belt. The power output from the engine's output shaft is first transmitted to the driving pulley of the CVT, then transmitted to the driven pulley through the V-shaped transmission belt, and finally transmitted to the wheels through the reducer and differential to drive the car.

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MacAnthony

08/11/25 10:15pm

I've always been fascinated by automotive transmission technology. The core components of a metal belt-type CVT system include several crucial parts. The metal belt is the key element - it's composed of numerous thin metal links that efficiently transmit power, enabling seamless gear changes according to driving demands. The pulley set consists of two movable conical pulleys: one connected to the engine drive and another delivering power to the wheels. The hydraulic system adjusts pulley diameters to modify gear ratios. The Electronic Control Unit (ECU) processes signals from sensors monitoring parameters like rotational speed and throttle position in real-time to ensure smooth shifting. I've also noticed this system offers low noise and fuel efficiency, though the metal belt may wear over time depending on driving habits. During maintenance, it's important to check hydraulic fluid quality and pulley wear to extend service life. Overall, this design delivers smooth acceleration without jerking, and is commonly used in models like the Nissan Sentra.

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