摘要
镀锌生产线在生产过程中经常出现退火炉炉底输送辊辊面结瘤现象，通过对单支辊子的控制程序进行优化并增加检修控制模式后，问题得到了解决。
There existed nodule on the surface of bottom conveyor roller for galvanizing line, after improving the control program for single roll and increasing maintenance control mode, the question was resolved.
关键词
辊面结瘤
变频控制
程序改进
rolls surface nodule
frequency conversion control
program improvement
