v ribbed belt vs serpentine belt

This article mainly introduces the differences between v ribbed belt and serpentine belts. For those who have not delved into the field of belts, they may be unfamiliar with v ribbed belt and serpentine belt. However, those who have delved into the field of belts for a long time will understand what these two types of belts are. For the differences between these two types of belts, this article will provide a detailed introduction.

serpentine belt

The serpentine belt is a common toothed belt in daily life. Because the timing system does not allow any deviation, only timing chains or toothed belt can be used to ensure that the timing system has no deviation.

v ribbed belt

A v ribbed belt is a belt that drives auxiliary equipment such as a generator, booster pump, and air conditioning pump. Generally, there are 1-3 v ribbed belts, and the number of belts varies depending on the vehicle model. Taking the Volkswagen EA211 engine as an example, this engine only has one v ribbed belt used to drive the generator and air conditioning pump, with 2 toothed belts, one is a serpentine belt, and the other is specifically designed to drive the water pump.

Differences in intake and exhaust

The serpentine belt is an important component of the engine's gas distribution system, which is connected to the crankshaft and matched with a certain transmission ratio to ensure the accuracy of the intake and exhaust time.

Different transmission capabilities

Refers to a circular transmission belt with a belt as the base and trapezoidal wedges with equal longitudinal distance of 40 degrees arranged on the inner surface. The working surface of the belt body is the side of the wedge. The contact area and friction force between the v ribbed belt and the multi wedge pulley are relatively large, and the load will be evenly distributed along the bandwidth of the v ribbed belt, so the transmission capacity of the multi wedge belt is also greater.

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