邯邢矿山管理局磁山机修总厂广大职工在批林整风运动的推动下,在学习承钢大庙铁矿等单位先进经验的基础上,从1973年2月开始进行钎尾攻关,至今已试验了24种热处理工艺,生产了123根钎尾,并在符山铁矿进行了工业性试验。在该矿二采区广大职工配合下,积累了二百多个数据,为成批生产提供了依据。 Based on the advanced experience of units such as Chenguang Daomiao Iron Mine, the vast number of staff and workers, under the auspices of the rectification campaign of rectification and forest rectification, started to work on the brazing tail tackling since February 1973 and up to now, Twenty-four heat treatment processes were tested, 123 brazing tails were produced and industrial tests were conducted at the Fu Shan iron mine. In the second mining area with the majority of workers and staff, has accumulated more than 200 data for the mass production provided the basis.