2) rolling with negative tolerance
负偏差轧制
1.
It is introduced how to design reasonable pass and determine the tolerance in rolling with negative tolerance to keep the production steady.
介绍了唐山钢铁公司中型轧钢厂在实行负偏差轧制中,如何设计合理的孔型和确定合理的负度,以保证负偏差轧制顺利进行。
2.
In view of the problem of the outer diameter of wire rod over the tolerance,the technology of rolling with negative tolerance in double duo mill was applied The practice result is good by choosing reasonable tolerance,optimizing the passes of medium and finishing stands,et
针对柳钢线材产品长期外径尺寸大于公称尺寸的现象 ,提出在传统复二重轧机上实施负偏差轧制 ,通过合理选择公差偏移量、优化中精轧机组孔型设计及多项改进措施 ,收到良好效
3) rolling force deviation
轧制力偏差
1.
In order to improve the accuracy of both the strip thickness and rolling force,the BP neural network intelligent predication of strip thickness and rolling force deviation is used to change mill stiffness for the deviation correction.
为提高热连轧机组厚度精度和轧制力精度 ,采用带钢厚度偏差和轧制力偏差 BP网络智能预测与偏差变刚度法同时校正方法。
4) minus tolerance rolling
负偏差轧制
1.
Throug technical refoming to weak technical section existed in SY type high rigidity mill in operation,the accuracy of product quality is increased,the yield of minus tolerance rolling is increased.
济钢一小型厂将２５０ｍｍ半连轧生产线的旧式开口机架改为ＳＹ型高刚度轧机，解决了旧式轧机刚度低、故障多、精度差等缺陷，同时对ＳＹ型高刚度轧机使用中存在的薄弱环节进行改进，从而提高了产品质量精度，负偏差轧制收得率提高１。
2.
The minus tolerance rolling of section steel can save of metal material,increase the working effectiveness and economic profit.
型钢负偏差轧制可以节约金属材料，减轻结构重量，提高后续加工效率，且经济效益显著。
5) rolling with over negative deviation
超负差轧制
1.
22a channel section steel for rolling with over negative deviation was introduced.
介绍了 2 2a号槽钢超负差轧制的蝶式孔型设计 ,并与弯腰直腿大斜度孔型系统进行了比较 ,分析指出了蝶式孔型的优点。
6) thickness negative-tolerance rolling
厚度负公差轧制
补充资料：负偏差(negativedeviation)
【负偏差】(negativedeviation)当溶液的蒸气压小于具有相同组成的理想溶液的蒸气压时的现象。产生的原因是由于溶液中不同组分分子间的相互作用较纯物质的分子间相互作用为强，或由于在不同组分分子间互相缔合，因而使分子从溶液中逸出的能力降低。
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