保证合理有序的过钢节奏,加大矫直测量次数,冷床设备,确保矫直中心在一条直线上。制定矫直辊装配标准,保证安装正确,有据可查。建立BH值与矫直辊间距的关系,做到合理配辊,保证辊缝在1-3mm之间。
Ensure a reasonable and orderly flow of steel rhythm, increase the number of straightening measurement, to ensure that the straightening center in a straight line. The assembly standard of straightening roller is set up to ensure that the installation is correct and can be checked up. The relatihip between the BH value and the spacing of the straightening roller is established, and a reasonable roll matching is made to ensure the gap between 1 and 3mm.





拉钢式冷床,其特点是利用单爪绳式或链式拉钢机,横向成批拖运轧件。这种拉钢机往往配备有潜行装置,以达到有选择性地拖运某一根(束)轧件的目的。潜行装置有两种形式:一种是杠杆式,冷床设备生产,另一种是滑块式。
Pulling type cooling bed is characterized by single rope or chain machine, horizontal rolling batch haulage. This kind of steel are often equipped with stealth device to selectively hauling a workpiece to root (beam). There are two forms of the lurking device: one is leveraged, the other is a slider.
轧件在冷床冷却过程中由于冷却水不能均匀分布在型钢表面,头部冷却速度较快,弯曲,冷床哪家好,形成浴盆状,使腹板上的积水不能流出,导致上表面收缩率明显大于型钢下表面,产生上弯。
为消除不均匀变形,首先应该使2辊压下量足够大,满足型钢塑变要求。消除型钢原有变形,达到统一的变形的目的。
Rolling in bed cooling process due to the cooling water can not be uniformly distributed on the surface of steel, the head of the fast cooling rate, the first bend forming tub shaped,冷床, make web water can not flow, resulting in the surface shrinkage rate was significantly higher than that of the steel surface, due to bending.
In order to eliminate the uneven deformation, first of all, the 2 roller should be large enough to meet the requirement of the type of steel plastic change. The original deformation of the steel has reached the goal of uniform deformation.
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