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一、概述扩孔是一项比较新的工艺方法,适于生产环形件毛坯。扩孔工艺与一般锻造方法相比较,它有生产效率高;工人劳动条件好;毛坯质量好;材料消耗少;设备投资少等优点。此外,扩孔机也比模锻设备容易制造、造价低,对厂房和基础要求低,设备动力、模具和维修费用也比模锻低,因而生产成本低,也容易实现操作机械化和自动化。我车间这台扩孔机是介于标准的M350和M250之间的非标准设备。在车间党支部领导下,以阶级斗争为纲,发挥了工人、领导干部
I. Overview Reaming is a relatively new technology, suitable for the production of rough ring parts. Reaming process compared with the general forging method, it has high production efficiency; good working conditions of workers; rough good quality; less material consumption; less investment in equipment and so on. In addition, reaming machines are also easier to manufacture than forging equipment, with lower costs, lower plant and foundation requirements, lower equipment power, tooling and maintenance costs than die forging, resulting in lower production costs and ease of mechanization and automation of operations. This machine in my workshop is a non-standard equipment between the standard M350 and M250. Under the leadership of the party branch in the workshop, taking the class struggle as the key link, the workers and leading cadres have been played