粗轧机

The article describes the characteristics in structure of edger stand at rougher area of 2150mm hot continuous mill supplied for Anshan Steel and the merits and shortcomings on the design in comparison with similar edger stands home and abroad.

介绍鞍钢2150mm热连轧机机组粗轧区立辊轧机结构上的特点，同国内外同规格的立辊轧机进行比较，说明该轧机设计上的优缺点。

Cooperating with academies chronically, the company offers users of hot rolled steel strip kinds of rollers like lots of alloy steel, alloy semi-steel, eccentric duplex of high nickel chrome molybdenum, hot strop roughing and support roll; offers lots of bainite eccentric duplex roll to high speed stick and wire rolling mill.

公司长期与科研单位合作，为热轧钢带连轧用户提供大批合金钢、合金半钢、高镍铬钼离心复合、热带粗轧及支承辊等各类轧辊，为高速棒、线材轧机提供大批贝氏体离心复合轧辊。

Design principle of guide device for high speed wile lolling mill are introduced, also construction of different types at inlet and outlet part, material, design method, and fixing way with underbed in DANIELI rough, intermediate and flushing high speed wire rolling mill are described.

介绍了高速线材轧机导卫装置的设计原则及达涅利高速线材轧机粗、中、精轧机组不同类型的入口和出口导卫装置的结构、材质、设计方法及与底座的固定方式。

As part of the current project, Siemens is resupplying the drives for the roughing mill and sections of the finishing mill.

作为当前项目的一部分，西门子再次为粗扎机和精轧机提供驱动。

A high speed line material vertical rolling mill framework moderating machine gearbox of Hunan steel Co., Ltd, the gear teeth of the first transmission spiral bevel wheel were broken.

詹仁杭，轧立式轧机减速机螺旋伞齿轮断齿原因分析湘钢一高速线材粗中轧立式机架减速机齿轮箱，第一级传动螺旋伞齿轮轮齿断裂。

Pointing to the status of frequently changing roller, low operative ratio and low utilization of roller due to wide specification of ribbon steel, new box pass system for rough rolling was developed and the technique has been successfully used for production.

针对窄带钢品种规格多，换辊频繁，轧机作业率低，轧辊浪费等问题，研究开发了一种新型粗轧箱形孔配置方式，并成功运用于生产，其特点是在一套轧辊上设计几套孔型，可生产不同宽度的中间坯。

Based on rolling technology of 2050 hot strip roughing mill group, a 3-D coupling thermal, mechanical and microstructural rigid-plastic finite element model had been developed by using nonlinear finite element method and physical metallurgy microstructural evolution models.

根据某厂2050热带钢粗轧机组轧制工艺，借助物理冶金组织演变模型，利用非线性有限元法开发了热连轧过程热、力、组织耦合三维刚塑性有限元模型。

Numerical simulation signal and vibration acceleration signal of a roughing mill main drive speed reduction unit have been decomposed by using empirical mode decomposition algorithm; each component has been carried on spectral analysis.

摘要运用经验模式分解算法对数值仿真信号及某轧钢厂粗轧机主传动减速机振动加速度信号进行了分解，从而得到若干个基本模式分量，对每个模式分量进行了频谱分析。

In order to roll round billets with accurate roughing shapes by a three-high roughing mill and stabilize production, a flexible pass design method was used to optimize the traditional conjugate pass through the distortion design of the bottom, side wall and pressure difference of the pass, realizing the application of the conjugate round pass on the three-roll mill.

为轧制料形尺寸准确的圆料、稳定生产，采用变通孔型设计方法对共轭孔型进行优化设计，通过对共轭孔型槽底、侧壁、压力差的变形设计，实现了共轭圆孔型在三辊粗轧机上的应用，轧槽咬钢顺利，成品圆料容易控制，完全满足后续工序的要求，同时减小了轧线的轧制事故，单套轧辊的轧制量可提高60%以上，取得了良好的经济效益。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。