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在图1中,传动轴12的小齿轮6的回转力传给两个固定侧环4,以及支承于固定轴3上的大齿轮5。但是,如图2所示,在两个侧环4中装有若干对等距离配置的轧辊箱,每一个轧辊箱中都装有一对工作辊2。如图3所示,当工作辊2按箭头X方向沿固定轴3的圆周公转到A点时,外侧的工作辊2和坯料M的轧制面接触;移动到B点的坯料M在固定盘1的下面承受压缩应力,其厚度则由t减至t’,而长度增加。然而,由于工作
In FIG. 1, the rotation force of the pinion 6 of the propeller shaft 12 is transmitted to two fixed-side rings 4 and a large gear 5 supported on the fixed shaft 3. However, as shown in FIG. 2, a plurality of equally spaced roll boxes are provided in the two side rings 4, each of which is provided with a pair of work rolls 2. As shown in Fig. 3, when the work roll 2 revolves along the circumference of the fixed shaft 3 in the direction of arrow X to point A, the outer work roll 2 comes into contact with the rolling surface of the blank material M; 1 under compressive stress, its thickness is reduced from t to t ’, while the length increases. However, due to work