Demystifying brake shoes: the key role of automobile braking systems

As an important part of the brake system, the brake shoe undertakes the task of converting kinetic energy into heat energy, thereby slowing down or stopping the speed of the vehicle. It is a bridge between the wheel hub and the brake pads. Every time the brake pedal is stepped on, the brake shoes will quickly respond and complete the deceleration action.

We can compare the brake shoe to the human heart as important-if there is a problem with the heart, the blood circulation of the whole body will be blocked; similarly, once the brake shoe is damaged or fails, it may cause serious Traffic accident. Therefore, it is very important to understand its basic structure and operation principle to ensure the safety of our lives and property.

From material to craft: the mystery behind high-quality brake shoes

High-quality brake shoes are inseparable from carefully selected raw materials and exquisite and meticulous production processes. Usually, the manufacturer will choose high-strength alloy steel to make the base frame part, and spray a layer of wear-resistant ceramic coating on the surface to increase the hardness and corrosion resistance. Such a combination can not only ensure the stability of long-term use but also have good heat dissipation performance.

However, in the market, we can often see some low-quality and even fake products mixed. These unqualified commodities often use cheap substitutes instead of raw materials purchased through regular channels, which will hide hidden dangers due to premature aging in addition to poor performance in strength testing.

In order to protect yourself from economic loss, please remember a few simple and practical methods to help identify authenticity:

• -Check whether the package mark is complete and clear;
• -Tap the sound to identify the purity of the metal;
• -Verify differences in appearance details against official samples.

Type resolution: what suits you is the best

according to the requirements of specific application scenarios, it can be roughly divided into two mainstream forms-the difference between drum type and disc type is that the former relies on internal expansion friction to generate braking torque, while the latter is that the external clamping device directly acts on the rotating disc to achieve the same effect, but each has its own advantages and is suitable for various specific conditions. the optimal option can only be determined after comprehensive consideration of various factors. for example, cars generally prefer the latter with quick response and strong handling, while heavy trucks the specific situation of the former with large load should not be generalized according to the actual situation.

it is also worth mentioning that any mechanical parts have a certain life cycle before the expiration of the replacement plan must be arranged in advance to prevent temporary cramming caused unnecessary trouble. It is generally recommended to conduct a comprehensive inspection and evaluation every 20,000 kilometers or so in order to find problems in time and solve them as soon as possible to eliminate the source of risk.

purchase strategy from a professional perspective

veteran masters with many years of experience agree that besides the basic knowledge mentioned above, there are still some subtle points that deserve special attention, such as matching the original factory specification parameter calibration within the accurate error range. moreover, in the process of installation and debugging, the instructions in the manual should be strictly followed one by one. otherwise, unexpected results may occur if a little carelessness occurs. as shown in the following example, a car owner refits a newly purchased set of high-fitting version by himself due to ignoring compatibility requirements. In the end, the phenomenon of abnormal noise had to be reworked, dismantled and replaced, which took a lot of time and money. The painful lesson deeply warned that latecomers must be cautious and follow the advice of professionals.