摘要
对安钢1780热连轧粗轧机支撑辊边部剥落掉块儿进行了分析,认为加工硬化、磨损不均匀、疲劳微裂纹、辊身边部倒角设计不合理是造成轧辊剥落的主要原因,结合实际使用情况,提出了合理的使用维护方法与预防措施。
It has ,been analyzed the causes tor heavy surface spalling of backup roll in 1 780 hot strip mill. The main causes are hardening, no-uniform wearing, fatigued nficro-crock, unreasonable body angle designing. It also gave the effective maintenance and preventive actions.
关键词
热连轧
支撑辊
剥落
疲劳微裂纹
Hot Continuous Rolling Backup Roll Spalling Fatigued Micro-crack
