The technological ways which long suspension arm end mill head, pedestal, and so on annex were mounted to the floor type boring lathe and mill housing was restored by plain floor type boring lathe T6220 was introduced.
介绍了给落地镗床制作长悬臂立铣头、托座等附件以及使用普通落地镗床T6220修复加工轧机机架的工艺方法。