【摘要】 本文对SO₂吹气冷芯盒法的关键问题:树脂粘结剂、活化剂、制芯工艺和环境保护进行了系统的研究。研制的KJN-Ⅱ型树脂、H₁活化剂及制芯、环保设备,解决了生产应用中的问题。更多还原

【Abstract】 Investigations were made on some key problems in connection with SO2-Cold box process such as resin binder, activator, core-making process and environment protection and the KJN- II type resin, H1 activator and relevant equipment development are given.更多还原