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Application of Textured Chrome Plating Rolls in Metallurgical Cold Rolling Lines

2022-03-16 11:02:59
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The emergence of the textured chrome-plating roll technology is due to the common defects of poor precision and insufficient wear resistance of domestic chrome-plated rolls, which often lead to downtime for roll replacement, affecting normal production. The application of the textured chrome-plating roll technology has achieved good economic benefits.

The texturing treatment of the chrome-plated roll is to texturize the surface of the roll to increase its friction coefficient and make it fit more closely with the strip during operation. In addition, due to the role of the gas stored in the micro-pits of the chrome-plating roller, the quenching roller forms a protective gas film between the strip and the chrome-plating roller, which avoids the scratches of the chrome-plating roller on the strip. This has a very important impact on the continuous use of chrome rolls.

The texturing technology of chrome-plated rollers includes: shot peening, electric spark texturing, laser texturing and other technologies. Among them, the laser texturing technology Z is advanced, but its use in China is less mature than the traditional shot peening texturing technology. After the surface of the chrome-plated roller is shot peened, its hardness and fatigue strength are improved, and at the same time, it can effectively reduce the chance of slippage between the strip and the chrome-plated roller, and avoid the strip being scratched.

Kunshan Yatai Machinery Co., Ltd. has mature chrome plating technology and is in a leading position in China!

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