Tapping machine is one of the main equipments of blast furnace.
开铁口机是高炉炉前的主要设备之一。
2
The Tapping switch damaged of a main transformer which power is 370MVA was analyzed, the handling process the measure of preventing accident were provided.
对一起370MVA主变压器分接开关损坏的原因进行了分析，介绍了处理经过，提出了反事故技术措施。
3
Based on the analysis of tapping force system and characteristic of chip removal, it is confirmed that radial force, axial force and jam of chip removal are the main reasons for poor thread quality.