轧辊产生弹性压扁时可能轧制的板厚。在一定轧机上轧制一定的产品时,轧辊哪家好,随着板带的逐渐变薄,压下越来越困难。当板带薄至某一限度后,不管如何旋紧压下螺丝或加大液压压下的压力,不管反复轧制多少道,由于轧辊产生弹性压扁而不可能再使产品变薄。这一极限厚度称为可轧厚度。
The ***allest plate thickness may be rolled when the roll produces elastic squash. When a certain product is rolled on a certain rolling mill,轧辊设备哪家好, with the gradual thinning of the strip, it is becoming more and more difficult to press down. When the strip is thin to a certain limit, no matter how to tighten down the screw or increase the pressure of hydraulic pressure, no matter how many rolls are repeatedly rolled, it is for the product to become thin due to the elastic flattening of the roll. This limit thickness is called the minimum rolling thickness.
轧辊的品种和制造工艺随冶金技术的进步和轧钢设备的演变而不断发展。中世纪轧制软的有色金属时使用强度低的灰铸铁轧辊。18世纪中叶英国掌握了轧制钢板用的冷硬铸铁轧辊的生产技术。
The variety and manufacturing process of roll h***e been developed with the progress of metallurgical technology and the evolution of steel rolling equipment. The use of low strength gray iron rolls in the Middle Ages when rolling soft nonferrous metals. In the middle of the eighteenth Century,轧辊, Britain mastered the production technology of cold cast iron rolls used for rolling steel plates.
轧辊在轧机中的使用效果不但取决于轧辊材质及其冶金质量,还和使用条件、轧辊设计、操作维护有关。不同类型轧机的轧辊使用条件有很大差异,造成差异的因素有:轧机条件。如轧机类型、轧机和轧辊设计、孔型设计、水冷条件和轴承种类等。
The use effect of roll in the rolling mill not only depends on the material and metallurgical quality of the roll, but also is related to the conditi of use, the design of the roll and the operation and maintenance. The use conditi of the rolls for different types of rolling mills are very different. The factors that cause the difference are the rolling mill conditi. Such as rolling mill type, rolling mill and roll design, pass design, water cooling condition and bearing type and so on.
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