First of all, we need to understand the working principle of Hailiang copper pipe. The spindle rod has a long period of use and cannot be replaced or corrected in time, resulting in a large deformation and a large radius of curvature. When the four streams pass through the ingot, the ingot head is biased to the outer arc surface of the crystallizer to different degrees. When entering the crystallizer, the ingot head is easy to top the bottom of the outer surface of the crystal coil of the bright copper tube, causing damage to the copper tube and the service life. cut back.
The vibration system of the casting machine is half-plate spring vibration, which is limited by the manufacturing and installation accuracy of the equipment. The vibration arm will shift after a long time of operation, and the crystallizer will also be offset from the original vibration trajectory, not only the spindle rod penetrates. When the crystallizer is used, it is easy to top the bottom of the bright copper tube, and the wear of the billet to the copper tube is not uniform during the drawing process.
The guide roller and the idler roller can not be adjusted and replaced in time, so that the second cooling section and the crystallizer can not guarantee the strict alignment of the arc, which is not only difficult to send the spindle rod, but also the casting blank is easy to run and the hair is in the process of drawing steel. Trembling increases the drag resistance and exacerbates the wear of the Hailiang copper tube.
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