1) twice-heating produ ction
二火成材
2) roll in one heat
一火成材
1.
In order to realize the roll in one heat in Small Section Plant of Nanchang Iron and Steel Co ,the Φ540mm roughing was added and the heavy reduction was applied The processing parameters design and pass system were introduced as well as the obtained good effect
南昌钢铁公司小型厂为实现一火成材 ,增设了Φ5 40mm粗轧机并采用了大压下方案。
2.
Reformation of roll in one heat of continuous casting billet for open train mill has been done in the No.
济钢第二小型轧钢厂对横列式轧机进行连铸坯一火成材改造 ,增加 5 40 mm粗轧机 ,重新设计孔型系统和轧制道次 ,并进行参数校核计算。
3.
According to present equipment condition Shiheng special steel plant produces 50kg/m jointing clamping plate used of 150mm×150mm continuous casting billet and “roll in one heat” process Through reasonable collocating pass and rolling process the rolling production is stable,the product accords with the standard TB/T2342-93 and G13 699-88,and the production cost is decreased by 200 yuan/t(RMB
石横特殊钢厂中型车间根据现有设备情况，采用１５０ｍｍ×１５０ｍｍ连铸坯一火成材生产５０ｋｇ／ｍ钢轨用接头夹板，经合理设计孔型及轧制工艺，轧制稳定，产品符合ＴＢ／Ｔ２３４２－９３和ＧＢ６９９－８８要求。
3) rolling without reheating
一火成材
1.
The technique reformation of double due wire mill for rolling without reheating;
复二重线材轧机一火成材技术改造
2.
This paper introduces the practical experience that more thirty varieties and specifications of spring flat are produced using semi-continuous rolling and rolling without reheating from 140mm ×140mm cast square billets.
介绍了用140mm×140mm连铸方坯，采用半连轧工艺，一火成材生产力多个品种规格弹簧扁钢的实践经验，及该生产线的布置，设备性能参数，重点介绍了生产过程中各工序的工艺技术特点。
4) direct rolling
一火成材
1.
The design of direct rolling process in the Shanghai Pudong Iron and Steel Co., Ltd;
浦钢公司型钢车间一火成材改造工艺设计
5) once heating into product
一火成材
1.
As the raw material of 75mm×75mm square billet is changed into 100mm×100mm continuous casting billet in rolling plant of Tai Mountain iron and steel group general corporation,the production process of “once heating into product” is achieved by reasonable roll passesdesign,reforming rolling mill,adding disc shearer and reforming throwing mechanism of cold beds,etc.
泰山钢铁总公司轧钢厂原料由设计的７５ｍｍ×７５ｍｍ方坯变为１００ｍｍ×１００ｍｍ连铸坯后，通过合理设计孔型、改造轧机、增设圆盘式飞剪机、分钢器、配套改造冷床抛出机构等，实现了一火成材，产量提高５２ｔ／ｄ，成材率提高１２。
2.
The reforming of once heating into product of continuous casting billet is done in 400mm×2/250mm×5 small section plant of Shiheng special steel works.
石横特钢厂对４００ｍｍ×２／２５０ｍｍ×５小型轧钢车间进行连铸坯一火成材改造。
6) rolling by one time heatin
一火成材轧制
1.
Pilot run process of 20MnVB bar with continuous cast—rolling by one time heating, results of pilot run were introduced.
介绍了连铸—一火成材轧制生产 2 0 Mn V B圆钢的试生产工艺及试制结果。
补充资料：成材率
成材率
yield
式中b为成材率，%;Q为合格产品重量，t;G为投入如有的轧钢车间以钢锭为原料经过中间开坯，轧制成原料重量，t。材;有的车间以钢锭为原料直接轧制成材;有的车间以 成材率与金属消耗来数K成倒数的关系。钢坯为原料轧制成材;还有少数车间则是以钢材为原 ，一昼只丝xl。。一粤料加工成各种成品钢材的，所以用一种成品率计算方 “G尹、人”“K冲公.、，电二翔比价小立分极击八.:卜恨山色仁止，、I‘ 。几法，难以表示和比较生产过程中金属收得情况，难以反式中w为生产过程中造成的金属损耗量，t。可见影响映车间之间在生产技术水平和管理水平上的差异。因成材率的主要因素是生产过程中产生的各种金属损此，在成材率的计算上就有不同的方法，如锭~材成材耗。因此，提高成材率的途径主要是减少各种金属损率、锭，坯成坯率、外来坯，材成材率等，各轧钢车间耗。要根据具体情况计算。各类轧机的成材率指标见表. 由于各个轧钢车间用的原料和轧制的产品不同， 各类轧机各种产品成材率(%)卜 (衷康)ehengea一ld成材率(yield)合格产品重量与投入原料重量的百分比。为衡量金属塑性加工生产过程中金属利用程度的指标，反映了生产过程中金属收得的情况。其计算公式为: Q、.，_ b=毛冬X 100 G，、1、。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条