Hence, when the slab is subjected to the liquid core pre-rolling, it will be possible to obtain a refinement of the internal structure by reducing the central porosity as well as the segregation.
因此,当板坯经历液芯预轧制的时候,将可能会通过减少中心多孔性和分离来获得内部结构的精制。
We had to change our ideas about pre-season training because we always had this vision that it was more important to make sure the bandwagon was rolling in the second half of the season.
我们必须改变自己对于季前准备期的想法,因为我们一直觉得在后半段发力才是正道。
Working condition of roller rings used in finishing roll sector or pre-finishing roll sector of high speed line or rod rolling mill production line is extremely vile.
高速线、棒材热轧生产线的预精轧段和精轧段用轧辊的工作条件十分恶劣。
Therefore, the wave equation pre-stack depth migration, a method starting directly from the rolling surface, is discussed.
为此,探讨了直接从起伏地表开始的波动方程叠前深度偏移方法。
Responding to adopt dual sawing clip rolling bearings and carbide orientation, prolong service life pre-assembled.
锯夹采用双滚动轴承和硬质合金导向、延长锯条使用寿命。
A kind of new surfacing material was developed with pre-diffused alloy powder as main constituent, and the rolling mill guides were repaired.
以预扩散合金粉为主要材料研制了一种导卫板堆焊材料,并对某厂轧机导卫板进行了堆焊修复。
Introduce the rolling force mathematic model used in pre-calculated rolling schedule and a new rolling force learning model based on feedback data from the instrument in rolling process.
介绍预计算轧制规程中所使用的轧制力模型,在此基础上根据轧制过程中的仪表反馈数据开发出一种新的轧制力自学习模型。
Usually, excellent Superplasticity of Zn-Al eutectoid alloy could be obtained by pre-deformation (rolling or forging).
锌铝共析合金具有良好的超塑性,但通常需要经过预变形(轧制或锻压)来得到。
The rolling experiment with lead as blank material is made in D51-160A hot ring rolling mill and the qualified pre-rolled ring of conical ring with inner steps is rolled.
采用铅环件试样在D51- 160A热轧环机上进行轧制实验,轧制出了合格的内台阶锥形环件预轧制环件。
The wear resistance of wheel steels is not affected by strain hardening under rolling/sliding conditions, while it is dominated by the pre-hardness of wheel steels.
滚滑条件下,车轮材料应变硬化程度的高低不影响车轮材料的抗磨损性能,试验前车轮材料初始硬度的高低是决定其抗磨损性能的主要因素。
Seen here after rolling back before Thursday's shuttle launch, the RSS provides pre-launch access to the orbiter and its payload.
这里可以看到在星期四傍晚,太空梭发射前,RSS 与太空梭及其负载接近的情形。
Through analyzing the process, the author has offered the idea about designing the compression mold in sheet pre-curved rolling process, key points in the structure and working procedures;
通过工艺分析,给出了板料预弯卷圆压形工序中压形模具的设计思想、结构和工作过程的设计要点。
Through analyzing the process, the author has offered the idea about designing the compression mold in sheet pre-curved rolling process, key points in the structure and working procedures;
通过工艺分析,给出了板料预弯卷圆压形工序中压形模具的设计思想、结构和工作过程的设计要点。
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