HOW TO CHOOSE A HIGH QUALITY BRAKE SHOE

Are you a truck driver or managing a repair shop for commercial vehicle truck trailers? Do you need to replace your brake shoes? Are you aware of what constitutes the best quality brake shoe? In this guide, we will cover how to select high quality brake shoes.

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We at POWERTECH are professional brake shoe manufacturers and suppliers in China, specializing in commercial vehicles and automobiles with over 20 years of experience. Today, I will share how you can identify a high-quality brake shoe.

What is a Brake Shoe?

A brake shoe is a component of a braking system that contains the brake lining in drum brakes, which are used in automobiles, commercial vehicles, as well as in train brakes and bicycle brakes. Additionally, devices placed on tracks to slow down railroad cars are also referred to as brake shoes.

How to Identify a Better Quality Brake Shoe?

The quality of brake shoes depends on factors such as materials, manufacturing processes, quality control, and standards set by the manufacturers.

If you are a consumer or driver, understanding the manufacturing process can be challenging. However, the quality can be evaluated based on the following aspects:

This guide is intended for consumers. If you are a professional buyer, importer, or distributor, please refer to the information below.

1. Brake Shoe Steel Material

The material of the steel used is critical for brake shoes. Some manufacturers use low-grade steel to reduce costs. Although it's difficult for consumers to assess the material quality, consider the following:

a. The Flatness of the Drum Brake Shoes Surface

b. The Thickness Tolerance of Steel

Generally, the steel thickness tolerance should be ±0.2mm; if it exceeds this limit, it raises concerns about the steel source.

2. Welding Quality

The quality of welding in brake shoes is paramount. Welding depth and strength are essential, but as a consumer, you can primarily evaluate welding quality based on appearance.

a. Welding Methods

Welding methods include point welding, segment welding, and full welding. We recommend opting for segment or full welding brake shoes.

b. Visual Check of Welding Quality

In welding, appearance serves as a key indicator of quality. Look for aspects like the width, shape, and uniformity of the weld crown bead, along with the presence of defects such as cracks or porosity.

3. Brake Shoes Dimensions

Correct dimensions are crucial; improper sizing leads to uneven wear of brake linings and potential safety risks. How do you check the dimensions of the brake shoe?

1. Fitness of Brake Lining and Brake Shoe

First, compare the standard brake lining with the brake shoes to ensure a proper fit. The gap between the brake shoe and lining should be less than 0.8mm before riveting and ideally less than 0.5mm after riveting.

2. Position Dimension of Roller and Camshaft Roller Holes

Measuring the position dimension can be challenging for consumers; however, alternative judgment methods exist.

4. Brake Shoe Surface Treatment

Common surface treatments include painting, powder coating, and electrophoretic coating. Powder coating and electrophoretic coating are preferable.

Check for rust near the edges of the brake shoe and weld joints, as inadequate surface treatment can lead to rust formation.

Conclusion:

This guide is tailored for beginners and consumers. For more professional content, visit our blogs on the brake shoe manufacturing process and the tricks of low-priced brake shoes.

Brake Shoes Manufacturer: POWERTECH

POWERTECH is a reputable brake shoe manufacturer and supplier in China. We focus on high-quality brake shoes, brake linings, and brake pads. If you are a brake parts importer or buyer, please contact us to learn more about our products and company.