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冷床是冶金轧钢行业对轧制产品（螺纹钢、园钢、钢管等）有效进行冷却的工作台面。冷床由机械传动系统、水冷却系统、冷床工作台面、固定支架等方面组成。冷床主要有拔齿式冷床、齿条步进式冷床、拨爪式冷床、运载链式冷床、滚盘式冷床等。

The cooling bed is metallurgical industry of rolled products (steel, steel, steel and other garden) effectively cooling the work surface. The cooling bed by mechanical tran***ission system, water cooling system, cooling bed table, etc. of fixed bracket. The main bed tooth pulling type cooling bed, rack step type cooling bed, poking claw type cooling bed, carrier chain cooling bed, rolling disc cooling bed etc.

侧壁斜度超差产生的原因为：

（1）辊型不正；压力过大，型钢与矫直辊间隙过小。

（2）辊子磨损、矫直机轴窜动过大，液压螺母没有锁紧或者止推轴承磨损过大都会引起侧壁斜度超差。

The reas for the deviation of the side wall slope are:

(1) the roll type is not correct; the pressure is too large and the gap between the type steel and the straightening roller is too ***all.

(2) the roller wears, the straightening machine shaft moves too big, the hydraulic nut is not locked or the thrust bearing wear too much will cause the side wall slope to exceed the difference.

经常检查相应辊面磨损情况，有积瘤的要及时清理；观察进钢情况，保证入口导位位置正确；经常卡量矫直盘圆角与成品圆角；制定合理的矫直力，尽量避免回矫；合理控制冷却过程；保证型钢低于80℃进入矫直机；注意观察各辊轴向、垂直窜动量，做到及时应对。

Always check the corresponding roller surface wear, a tumor of the product to clean up; on steel, ensure the ce guide the correct ; often straightening and finished plate fillet fillet; reasonable straightening force, try to ***oid the back; the reasonable of the cooling process; ensure the steel is lower than 80 DEG C into the straight machine; observe the roll axial and vertical movement, timely respe.

潜行装置有两种形式：一种是杠杆式，另一种是滑块式。带潜行装置的拉钢式冷床很大优点足冷床床面利用率可达60%，可以自由地储存轧件，机动性能较好。

There are two forms of stealth device: one is lever type, the other is slider type. The biggest advantage of the pull steel cooling bed with stealth device is that the utilization rate of the cold bed can reach 60%, so that the rolling parts can be stored freely and the maneuverability is better.