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What determines the quality of braking performance?

Braking performance hinges on two key components: the brake valve and the brake pads. The material of the brake pads directly affects both the quality and stability of braking. Some truck operators find that when they first buy a vehicle, the trailer’s brakes perform exceptionally well, but after replacing the brake pads, braking performance drops sharply—this is especially true for factory‑equipped axles, not aftermarket ones. Friction coefficient and thermal fade are the most critical factors. Standard brake pads often fail to meet required friction levels, resulting in subpar braking. Moreover, when driving on plateaus or in mountainous terrain and frequently applying the brakes, temperatures can rise to 180–220°C, causing the friction coefficient to decline. Consequently, the threshold at which thermal fade becomes significant varies considerably.

2018-05-23

Not much braking power? How long do brake pads last? Find the answers here!

Many truck‑trailer drivers, when faced with ineffective brakes, will check the brake pads—this is beyond question. However, many people wonder: if the new brake pads start to lose effectiveness after only a short time, what could be the cause? And secondly, does this mean the braking performance isn’t up to par? There are several factors at play: 1. Whether the brake fluid is still within its recommended service life. Most truck‑trailer manuals advise regular replacement of the brake fluid. While this recommendation may seem somewhat conservative, it’s intended to ensure the driver’s safety. Over time, the performance of brake fluid degrades, which can reduce braking efficiency. Another key reason is that if air gets into the brake system—

2018-05-09

Big brands have greater strength—how can consumers identify and choose brake pads?

As ordinary consumers, it’s difficult to tell the difference on our own by simply looking or asking, because today’s aftermarket is rife with counterfeit and substandard products, each vendor touting its own superiority. Even items purchased at a high price from an authorized 4S dealership may turn out to be high‑quality knockoffs. Therefore, the only option is to educate ourselves about brake pads and carefully analyze them to minimize the risk of being misled. As a critical safety component of a vehicle, brake pads are subject to strict government licensing and certification requirements. However, much like food products, the existence of such regulations does not guarantee that all market offerings are of good quality; imitation, counterfeiting, and the sale of fake goods persist across industries. Nevertheless, precisely because they are an essential part of a car’s…

2015-05-21

Ceramic brake pads

Ceramic brake pads are a type of brake pad; many consumers initially assume they are made entirely of ceramic. In fact, ceramic brake pads are based on the principle of metal‑ceramic composites rather than purely non‑metallic ceramics. During high‑speed, heavy braking, the friction surface can reach extremely high temperatures—up to 800–900°C, and in some cases even higher. At these elevated temperatures, the surface of the brake pad undergoes a sintering‑like reaction characteristic of metal‑ceramic materials, ensuring excellent thermal stability under such conditions. By contrast, conventional brake pads do not exhibit this sintering effect; instead, the rapid rise in surface temperature can cause the surface material to melt or even form an air cushion, which may lead to fade during repeated braking.

2015-05-21

What material are the friction linings on an automobile clutch made of?

The materials used for friction pads vary: lower‑grade pads are made by hot‑pressing graphite and resin, while higher‑quality ones contain a more complex blend of ingredients. Some manufacturers have adopted new materials—such as JTC nano‑calcium carbonate (asbestos‑free) and ceramic powder—to replace resin, and EKC carbon‑carbon fiber to substitute for asbestos fibers. These pads are formulated from a mix of inorganic whiskers, silica, oil‑resistant compounds, high‑wear‑resistant metal powders, and other raw materials, then molded using advanced processes to ensure stable high‑temperature friction performance. As a result, the products offer superior performance, are environmentally friendly, operate quietly, exhibit excellent wear resistance, withstand high temperatures, and boast an extended service life. Their technical specifications are domestically leading and meet the advanced standards of comparable international products.

2014-11-25

The clutch does not disengage completely.

Incomplete clutch disengagement manifests in the following two ways: (1) When starting the vehicle, even after depressing the clutch pedal beyond its free play, shifting gears remains difficult. If you force a gear into place before fully releasing the clutch pedal, the vehicle may lurch forward or backward, causing the engine to stall. (2) During driving, gear changes are hard to execute or impossible, accompanied by clashing noises from the transmission gears. The primary causes of incomplete clutch disengagement include: ① Excessive free play in the clutch pedal; ② Misalignment of the inner ends of the release levers—individual levers may be deformed, broken, or severely worn; ③ The clutch…

2014-11-25

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