在对比了以计算机控制的全自动钢轨打印机与配备有三台固定打印装置的固定打印设备优缺点后发现，尽管前者能连续对按约8米／秒速度行进在辊道之上的钢轨沿纵向在适当部位打印多个印记，但却只能在降低输送速度的条件下，才能在线往未经切去翘起的头部附近处打印上第一个标记； After comparing the advantages and disadvantages of a computerized fully automated rail printer with a stationary printing apparatus equipped with three stationary printing devices, it was found that although the former was able to continuously run the rail above the roller table at a speed of about 8 meters per second in the machine direction The appropriate part of the print a number of imprint, but only in the conditions of lower delivery speed, can not go online without cutting off the head near the head printed the first mark;