The Introduction of Polishing And Brushing Technology in The Surface Treatment of Mufflers

As an important component of the automobile exhaust system, the muffler not only has the function of reducing exhaust noise, but also bears the heavy responsibility of protecting the environment and improving the overall performance of the vehicle. In order to improve the appearance quality, corrosion resistance and service life of the muffler, its surface treatment is particularly important. Among them, polishing and brushing process are two common surface treatment technologies, which play an irreplaceable role in the manufacture of mufflers.

Polishing Process:

Polishing process is a kind of physical or chemical method to remove the rough layer on the surface of the material, so that the surface to achieve smooth and bright effect. In the manufacture of mufflers, the polishing process is mainly used to remove scratches, burrs and oxidation layers on the surface of stainless steel due to processing, welding and other processes, so as to improve its appearance and corrosion resistance, usually including the following steps:

1.Pretreatment: First of all, it is necessary to clean the surface of the muffler to remove impurities such as oil and dust, and ensure that no new pollutants are introduced in the polishing process.

2.Rough polishing: Use coarse-grained polishing materials (such as grinding wheel, sandpaper) to initially polish the surface of the muffler to remove large bumps and scratches.

3.Medium polishing: Then use a medium particle size polishing material to further refine the surface roughness and make the surface smoother.

4.Polishing: Finally, fine-grained polishing paste or polishing liquid, with a soft polishing cloth or polishing wheel, fine polishing of the surface of the muffler until it reaches the required brightness and smoothness.

After polishing, the surface of the muffler is not only bright like a mirror, but also can effectively reduce the surface roughness, reduce the resistance and noise of gas flow. At the same time, the polishing layer can also isolate air and water to a certain extent, and improve the corrosion resistance of the muffler.

Brushing Process:

Brushing is a surface treatment technique that mechanically forms parallel and ordered textures or lines on the surface of a material. In the manufacture of mufflers, the brushing process is mainly used to improve the appearance of the product texture and decorative effect, the drawing process mainly includes the following steps:

1.Surface treatment: Similar to polishing, it is first necessary to clean and pretreat the surface of the muffler to ensure that the surface is clean and free of impurities.

2.Brushed treatment: Use a special wire drawing machine or wire drawing tool to apply a certain pressure and speed on the surface of the muffler, and form a parallel and orderly texture or line on the surface through the rotation and movement of the wire drawing wheel.

3.Post-treatment: According to needs, the brushed surface can be further polished or cleaned to improve its gloss and cleanliness.

The brushing process can give the surface of the muffler a unique texture and visual effect, making it look more sophisticated and high-end. At the same time, the brushed texture can also cover the small defects and scratches on the surface to a certain extent, improving the overall beauty of the product. In addition, the brushing treatment also enhances the friction and scratch resistance of the surface of the muffler, improving the durability of the product.

Summary

Polishing and Brushing are two important processes for the surface treatment of mufflers, each with its own unique characteristics and advantages. The polishing process focuses on improving the surface smoothness and brightness, and enhancing the corrosion resistance. The Brushing process focuses on improving the appearance texture and decorative effect. In actual production, GRWA will choose the appropriate surface treatment method or combine the two processes according to the specific needs and design requirements of the product to achieve the best results. GRWA is committed to manufacturing high-quality silencers to provide a quiet driving experience for customers around the world. We look forward to working with you to create a better future!