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简要介绍了锻造余热退火辊底炉生产线的组成，着重讨论了炉子的结构特点。该辊底炉主要用作ＧＣｒ１５轴承套圈热镦成型后的余热球化退火，炉子具有结构紧凑、节能、自动化程度高和使用安全可靠等特点
Briefly introduced the composition of forging waste heat annealing roller hearth furnace production line, focusing on the structural characteristics of the furnace. The roller hearth furnace is mainly used for GCr15 bearing ring hot heading after forming the heat of the ball annealing, the furnace has a compact, energy saving, high degree of automation and the use of safe and reliable