Melting technology and Quality Control of Gray Cast Iron in Intermediate Frequency Induction Furnace
Author of the article:DUAN Pingchang;HUANG Tao
Author's Workplace:CNBM Triumph Heavy Industries Co.,Ltd.,Huainan 232008,China
Key Words:gray cast iron intermediate frequency furnace melting quality control
Abstract:According to the characteristics of medium frequency induction furnace melting gray cast iron and the characteristics of electric molten iron,the effects of raw materials selection,charge ratio,chemical composition,carbon rate,melting temperature and inoculation treatment on the strength and performance of gray cast iron were analyzed.The process,quality control and improvement of melting molten iron of gray cast iron in intermediate frequency induction furnace were described.The results show that the quality and performance of gray cast iron castings can be improved,the casting defects can be reduced or eliminated,and the reject rate can be reduced.