| 选用低碳钢为原料的钢纤维有什么优势 |
| 添加时间：2019/4/13 14:05:03 浏览次数： |
| 钢纤维主要有四种制造方法,钢丝切断法：这种加工方法相对来说比较简单,一般利用直径一定的冷拔钢丝为原料,把钢丝按照规定切成短纤维。用这种方法生产的钢纤维的抗拉强度远高于其它方法加工成的钢纤维。为了提高效率,常用旋转刀具将钢丝切断。 There are four main manufacturing methods of steel fibers, steel wire cutting method: this processing method is relatively simple, generally using a certain diameter of cold drawn steel wire as raw material, the steel wire is cut into short fibers according to regulations. The tensile strength of steel fibers produced by this method is much higher than that of steel fibers processed by other methods. In order to improve efficiency, the steel wire is cut off by common rotary tools. 薄板剪切法：这种方法是把冷轧薄钢板切成钢纤维,剪切前用小型纵剪机将薄冷轧卷板剪成带钢卷,带钢卷的宽度与钢纤维的长度相同,然后将带钢卷连续不断地送入旋转刀具或普通冲床切断。 Shear method: This method is to cut cold rolled sheet into steel fibers. Before shearing, a small longitudinal shear machine is used to cut thin cold rolled sheet into strip coils. The width of the strip coils is the same as the length of the steel fibers. Then the strip coils are continuously fed into rotary cutters or common punches to cut. 厚板切削法：所用原材料为厚钢板或钢锭,用旋转的平刃铁刀进行切削制成的钢纤维.切削时,钢纤维将产生很的塑性变形,轴间发生扭曲,可以增大与混凝土等基体的粘结力。若以普通低碳钢为原材料时,切削成的钢纤维经加工硬化后,其弧度约为母材的两倍半,成为一种高强度、高硬度的钢纤维。 Thick plate cutting method: The raw material used is thick steel plate or ingot, and steel fibers are made by cutting with rotating flat-edged iron knife. When cutting, steel fibers will produce very plastic deformation, which can increase the bonding force with concrete and other substrates. If ordinary low-carbon steel is used as raw material, the cutting steel fibers, after hardening, have about twice and a half of the radian of the base metal and become a kind of high strength and high hardness steel fibers. 溶钢抽丝法：用电炉将废钢熔融成高温的钢液,然后在钢液表面上,以一个高速旋转的熔抽轮接近钢液,熔抽轮上按照所需钢纤维的要求,刻出许多槽形。当溶抽轮下降到液面时,钢液被槽刮出,被高速旋转的熔抽轮的离心力抛出,以10000℃/秒的速度冷却成形.熔抽轮内必须通水,以保持冷却速度。 Steel dissolving and wire drawing method: The scrap steel is melted into high temperature molten steel by electric furnace, and then on the surface of molten steel, a high-speed rotating melting pulley sujiao.07858.netwulumuqi.89ix.comlanzhou.89ix.comxian.89ix.comapproaches the molten steel. On the gangguanl.37ix.com.cnzhimaig.37ix.com.cnmelting pulley, according to the requirements of steel fibers, many grooves are carved. When the dissolving pulley drops to the liquid level, the molten steel is scraped out of the groove, thrown out by the centrifugal force of the high-speed rotating melting pulley, and cooled to form at a speed of 10000 C/s. Water must be flowed through the melting pulley to maintain the cooling speed. |
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