本钢特钢小棒材表面划伤改善

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摘 要：分析本钢特钢小棒材表面划伤产生的原因，通过对轧机工装精度提升的管控，空过辊道两侧加装惰轮，设计制作裙板耐磨锥轮，有效解决小棒材表面划伤问题，显著提升成品表面质量，缩短交货期，降低生产成本。

关键词：小棒；划伤；工装；辊道；裙板；冷床

IMPROVEMENT OF SCRATCHE DEFECT ON SMALL-LEVEL BAR PRODUCTION LINE IN BENXI SPECIAL STEEL

Wang Dong1    Li Mingming2    Yu Haixiao2

（1. Special Steel Division of Bengang Plate Co.， Ltd.    Benxi    117000，China;

2.Bensteel Technology Center    Benxi    117000，China）

Abstract：This article analyzes the causes of scratches on the surface of small-level bars in Benxi special steel. By improving the control of rolling mill tooling accuracy， idler wheels are installed on both sides of the roller table， and wear-resistant cone wheels of skirt plate are designed and made， which effectively solve the problem of scratches on the surface of small-level bars， significantly improve the surface quality of finished products， shorten the delivery time and reduce the production cost.

Key words： small-level bar; scratch; quality of tooling；roller table；skirt plate; cooling bed

0    引    言

2022年9月本钢特钢小棒线进行升级改造，在原有设备的基础上新增一台步进梁式加热炉、四架Kocks轧机、更新了四段穿水以及三座飞剪、裙板等设备，改造后小棒线具备生产φ12 ～ 80 mm圆60万t优特钢的生产能力。（剩余2712字）