H型钢在冷床上直立冷却后，由辊道送至变节距辊式矫直机进行长尺矫直，经成排台架成排后，由冷锯机切成6～24m定尺。切成定尺的轧件经人工目测检查后，进入堆垛台架堆垛，经打捆、称重、标牌后进入成品台架，由成品跨吊车吊运入库、发货。

H type steel upright in the cooling bed after cooling by roller to pitch roller straightening machine straightening ruler, the rows of bench rows, a cold sawing machine into 6 ~ 24m length. The rolled pieces, which are cut into fixed lengths, are inspected and inspected after manual inspection. They enter stacks stacking, and then enter the finished rack by bundling, weighing and sign.

辊式轧机生产率可以很高，有的可达到2000-4000 件/小时甚至更高，易于实现自动化生产。总之，辊式轧机适用于对产品精度要求不高，且同时轧制一个或几个零件的情况。这种的工作辊移动的设计，是用来改变工作辊和支撑辊的偏移需要大的移动量。辊式轧机是三种类型中运用***多的一种。圆弧式轧机适用于大批量的为以后锻造供坯的生产情况。

The productivity of the roller mill can be very high, some can reach 2000-4000 pieces / hour or even higher, and it is easy to realize automatic production. In conclusion, the roll mill is suitable for the low accuracy of products and rolling one or several parts at the same time. Roll mill is the most widely used in three types. The circular arc mill is suitable for large quantities of production for forging later.

使用热轧的第二个优点就在于其可以适当的改善金属以及合金材料的加工工艺性能。也就是说，其可以把较大的晶粒进行破碎，同时可以减少裂纹的出现，这样一来，也就相当于减少了铸造过程中的缺陷问题，提高合金的加工性能。

The second advantage of hot rolling is that it can appropriately improve the processing performance of metal and alloy materials. That is to say, it can break the larger grain and reduce the appearance of the crack, which is equivalent to reducing the defects in the casting process and improving the processing performance of the alloy.