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轧制

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The results show that the side wall angle is the major factor, the influence of the friction coefficient between the roller and the tube billet on the external diameter ovality and the wall thickness unevenness is secondary, and the influence of the ratio of side wall radius on the rolling force and the wall thickness unevenness is the least.

结果表明:侧壁角是最重要的影响因素,管坯和轧辊间的摩擦因数对外径椭圆度和壁厚不均的影响居于次位,侧壁半径比对轧制力和壁厚不均的影响最小。

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。

Based on the cause of gauge oversizing of plate head,the traditional head gauge compensation methods were analyzed.

基于中厚板轧制过程中头部厚度超差原因,分析了传统的头部补偿方法的不足之处。

The company independently develops, manufactures various types of industrial cleaning agents, anti-rust agent, coolant, anti-rust oil,grinding oil, rolling oil, saponification oil, grease, phosphating solution, paint remover, rust and other refined liquid chemical products.

公司自主开发、生产各类工业用清洗剂、防锈剂、冷却液、防锈油、垳磨油、轧制油、皂化油、润滑脂、磷化液、脫漆剂、除锈液等精细化工产品。

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。

In order to evaluate measuring uncertainty of tensile testing result of metallic material, the mathematic model of calculating uncertainty is established and different factors of influencing testing result are determined taking rectangle head shorter proportional sample of 18mm Q235B plate as example.

为评定金属材料拉伸试验的结果测量不确定度,以轧制厚度为 18mm的Q2 3 5B板材矩形带头短比例试样为例,建立了不确定度计算的数学模型,确定了影响试验结果的下屈服力FSL、最大力Fm、试样原始厚度a及试样原始宽度b等各项因素,计算出了各种因素的标准不确定度,得出拉伸试验结果的扩展不确定度,并给出最终测量结果的表达式:下屈服强度ReL、抗拉强度Rm的最终测量结果分别为(3 0 5± 5 )MPa和(4 3 5± 10 )MPa。

The mechanical properties of the rolled and subsequently heat treated isotactic polypropylene were measured by the tensile tests.

借助拉伸试验对轧制和退火后的等规聚丙烯进行了轧向及横向上力学性能的研究。

Shape and profile are the important quality indexes of rolled plate and strip, and shape control is the key technology of plate and strip mills.

板形和板凸度是板带轧制的重要质量指标,板形控制是板带轧机的关键技术。

The forming process for the high-strength, steel-base modified polyformaldehyde composite material in five-laver structure is to melt modified polyformaldehyde by heating and roll to make the melt polyformaldehyde permeate into the gaps gaps between the large-grained spherical copper powder and screw copper nails.

四层结构的钢基铜塑复合材料的成型过程,是将改性聚甲醛加热熔化,经轧制,使熔融的聚甲醛渗透到大颗粒球形铜粉的间隙中,解决了三层材料复合过程中,熔融的聚甲醛水平流动性强过垂直方向的渗透性,造成了结合强度低的缺陷,使聚甲醛层与铜粉及基体结合更牢固,提高了其承载和抗剪切的能力。

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推荐网络例句

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候,里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色,卵在发育96h后卵基本全部孵化。

There was a conflict between plebs and patricians in ancient Rome in 494BC.

在公元前494年,罗马发生了一次平民反对贵族的斗争。