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Addressing the effect of mandrel moving speed and mandrel friction on continuous seamless tube rolling process,a three dimensional elastic-plasticity thermal-mechanical coupled simulation is conducted with a non-linear FE analysis software named MSC.

用非线性有限元分析软件MSC Marc/Superform对连轧管芯棒速度及其摩擦系数对轧制过程的影响进行了三维弹塑性热力耦合模拟仿真，得到了芯棒速度及其摩擦系数对轧制过程力能参数及变形参数间的影响规律。

With the steelmaking-casting-direct rolling process and charging furnace at room temperature in laboratory, the influence of different charging temperature on the microstructure and properties of X70 pipeline steel were researched.

采用实验室钢坯室温装炉和炼钢－连铸－直接轧制的不同方法，研究了用钢坯室温装炉工艺和连铸连轧工艺生产X70管线钢时，不同的装炉温度对成品组织性能的影响。

This is useful for Pan gang resolve Hot MILL three technical transformation projects up roller mill width Control System (AWC. After the transformation,It needs to bore the existing legislation for roller mill housing bore for the installation of a long journey servo tank.

摘要解决轧板厂三期技改工程（立辊轧机宽度自动控制系统）改造后，需对现有的立辊轧机机架进行扩孔，以便安装长行程伺服油缸。

The influence of zero wave for spring curve of plate mill on rolling force adaptation was analyzed and it was proved that if the influence of wave of entry gauge on plate stress could be ignored, the influence of zero wave for spring curve of plate mill on rolling force adaptation also could be ignored.

分析了中厚板轧制过程中弹跳曲线零点漂移对轧制力自适应的影响，认为在忽略入口厚度波动对轧件塑性影响的前提下，轧制力模型的自适应不受弹跳曲线零点漂移的影响。

A new gauge control method for plate head was developed.For the plates of different steel grade and different dimensions,the plasticity coefficient is calculated, and gauge compensation for plate head is automatically adjusted.Adopting the exponential compensation curve,the gauge deviation is allowable after cropping, and metal yield can be improved.

在此基础上开发了一种新型头部厚度控制的方法，可以在不同钢种和不同规格的轧制条件下，利用轧制过程实际数据，进行轧件塑性系数计算，自动修正头部沉入量；采用指数型补偿曲线，使钢板切头之后成品厚度尺寸达标并且切头质量减少，提高了产品的成材率。

It is an effective way to reduce cost to produce 400 MPa grade Ⅲ reinforced bar by controlled rolling and cooling .

采用控轧控冷的方法生产400 MPa级的Ⅲ级钢筋，可以降低成本。

After analyzed the advantages and disadvantages of large conical roll and large guide disk in piercing mill.

对大锥形辊与大导盘在斜轧穿孔机中应用的优缺点进行了对比，认为大锥形辊综合性能优于大导盘。

On the other hand, when the roller works, self-excited vibration may arise sometimes, torque amplification factor increases, the part may be spoiled and roll steel surface quality can be affected badly.

另外，轧机在轧制时，主传动系统有时会发生自激振动，扭矩放大系数TAF增大，造成零件损坏，也严重影响轧件表面质量。

In addition, because the temperature in the head end and tail end is usually lower, the higher roll force leads to higher deformation for the roll and stand and consequently, a smaller roll gap is needed for the head end and tail end, in order to achieve equal deformation among the head end, tail end and body.

此外，由于温度在头端和尾端通常较低，较高的轧制力导致较高的轧辊和机架变形，因此，轧件头端和尾端需要较小的棍逢值以实现其头部，尾部和中部的均匀变形。

Children were prone to play in hearths, crawl under log-piles, get crushed by carts.

孩子们会在炉边戏耍，爬到园木堆下，也会被车轧。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新