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步进齿条式冷床具有冷却效率高、轧件冷却均匀等优点,且在冷床运输冷却的过程中对轧件具有矫直作用,是现代小型、中型、无缝钢管生产线普遍采用的冷床。轧件进入冷床时一般是高速,要求上冷床床体前要完全静止,在这短时间内轧件从高速到静止并安全上冷床,其中一个重要机构就是制动板。轧件在冷床输入端的制动是步进式齿条冷床的一个重点技术课题。
Stepping rack cooling bed has the advantages of high cooling efficiency and even cooling of the rolling stock, and has straightening effect on the rolling stock during the cooling and cooling of the cooling bed, which is commonly used in modern small, medium and seamless steel pipe production lines bed. Rolling into the cooling bed is generally high speed, on the bed before the bed is required to be completely at rest, in this short period of time from high speed to static and safe cooling bed, one of the important body is the brake plate. Braking of the rolling stock at the input of the cooling bed is a key technical issue of the step-down rack cooling bed.