Causes Of Abnormal Noise Of Motorcycle Brake Shoes

The brake shoe is the key component of a motorcycle brake system, which is generally used for drum brake. It generates braking torque through friction with the brake drum, slows down the rotation speed of the wheel, achieves the purpose of braking, and ensures safe driving.

The brake shoes are made of high-quality friction materials, with moderate friction coefficient, stable friction performance, and good wear resistance; The brake shoe body is made of high-quality aluminum alloy die-casting, with good rigidity; The brake shoe body and friction plate are bonded with high temperature resistant glue with good stability.

The friction material of ordinary brake shoes is poor and the friction is insufficient, which seriously leads to poor braking performance, which is easy to increase the braking distance, abnormal noise, etc. the aluminum material of brake shoe block body is poor, the tensile strength is low, and it is easy to break, resulting in wheel locking and car crash. Common brake materials are easy to fall off due to water friction, etc.

Causes Of Abnormal Noise Of Motorcycle Brake Shoes

1. Quality reasons of brake shoes：Many brake pads have changed their original quality because they cannot withstand the test of instantaneous high temperature. For example, the principle of red iron hardening after quenching is the same. A layer of hard deteriorated objects is formed on the surface of the scorched skin, and the friction coefficient is greatly reduced, resulting in the phenomenon of hard bumping, which naturally makes a "squeak" sound. In the market, the instantaneous temperature borne by the general skin is 100 ~ 150 ° C. The instantaneous temperature of high-quality skin is 200 ~ 300 ° C. KALIDA is a China motorcycle brake shoe, which provides OEM motorcycle brake shoes.
2. Drum groove
3. Insufficient roundness and flatness of wheel drum： There are two general reasons why the roundness of the wheel drum is not enough. First, the quality reasons existing in the manufacturer itself are difficult to see with the naked eye. The second is the wheel drum deformation caused by the high temperature of the drag brake.
4. Different materials are selected for wheel drum friction materials： Generally, the original brake disc materials and the friction materials of brake shoes must be analyzed and matched, while the brake skin materials in the market cannot meet the matching requirements of various brake disc materials, and abnormal noise will become inevitable.
5. Brake skin friction powder： The friction powder of the brake skin stayed between the brake drum and the brake skin for a long time, but failed to discharge smoothly outside the wheel drum. It will also form a hard dead skin and cause abnormal noise.
6. The brake skin with 45-degree chamfer on both sides and the brake skin without chamfer plane will also cause abnormal noise because the flatness of the contact surface has changed.
7. Inflexible rotation of brake rocker shaft： It causes untimely return, increases the friction temperature of the brake skin, and then the skin deteriorates and hardens, and the brake disc hardens at the same time. Friction noise is caused by hard-hitting each other.
8. Lose bearing： When the wheel drum rotates, the concentricity deviates, which can not ensure the flatness of the contact surface between the brake skin and the brake disc, and makes abnormal noise.
9. Brake shoe size：The brake shoes of many models are very similar when viewed from the outside. They think they can be common to each other. This is a very non-standard operation mode. They must be measured according to professional data to ensure their consistency. However, the repair shop does not have such testing equipment. Of course, the requirements for the size of inferior brake shoes are also very non-standard.