What kind of axle is a circular axle? What kind of car is the circular axle used on?

The axle is related to the load bearing, braking and driving of the vehicle, and is one of the key components on the vehicle. With the continuous development of vehicle technology, a variety of axles are also emerging: stronger bearing capacity, more stable braking effect, lighter axle weight...... Rim type axle is one of them.

The so-called circular axle refers to an axle that combines the dual characteristics of drum axle and disc axle. From the appearance point of view, this brake does not have a sealed brake drum, and the brake pad is directly exposed to the air like the disc axle; From the structural point of view, the structure and braking principle of the brake pads are the same as that of the drum axle.

The brake is designed inside and outside two layers of brake pads, the middle is a ventilation structure, the owner steps on the brake pedal, the internal brake pads to support the outside, the outside brake pads to hold tight, forming a state of "internal support outside", two layers of brake pads friction braking at the same time, braking force is larger, at the same time, double brake pads are equivalent to provide double insurance to the service brake, Even if there is a problem with one layer of brake pads, another layer can also play a braking role.

In addition, the bare design also determines its excellent heat dissipation capacity, the brake is exposed in the air, the heat dissipation performance is higher, the design of the air guide between the two layers of brake pads can also blow to the interior of the brake with the rotation of the wheel, accelerating heat dissipation.

In summary, the disc brake can provide strong and stable braking force, but also provide excellent and efficient heat dissipation capacity, which is very suitable for use in freight vehicles such as semi-trailers and mid-axle trailers.

But today, the disc trailer axle has not only not been popular, but began to disappear, which is why?

One of the reasons is that its category is not clear, the disc axle, the name of the disc, the structure is more like the drum, which should belong to the disc or the drum? Does the installation of such axles as the three-axis fence plate and the three-axis fence comply with the regulatory requirements? Because the regulations do not clearly define the category of this brake, many owners are afraid of being punished after the road, and do not dare to install and use it easily.

Another reason is that the axle of the disc trailer is really loud in principle, but the actual application effect is lack of data support, especially the disc brake is exposed, sand, dust is easy to enter the brake, affecting the brake effect, damage the brake pads, if the vehicle often walks some more complex road conditions, I am afraid the scrap frequency of the brake pads will also rise.

Therefore, although the advent of the disc axle attracted the attention of many industry insiders, the media have reported, after the development trend is all the way downhill, after all, for the owners, the principle is the principle, even if the principle is flashy, the actual data if it can not withstand the scrutiny, it still will not pay, only the product quality, withstand the test of the market, Owners will compete to use it and take the initiative to help it open the market.