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本文研究了水压机平砧拔长大型锻件过程中坯料的展宽规律,根据模拟实验得出了理论计算公式,并用计算机编制了《钢坯拔长程序手册》,使钢锭拔长工艺过程得以控制。研究结果经三年多生产性应用表明,在提高锻造效率、准确控制锻件外形尺寸、保证内部变形压实效果、提高锻件质量和最终产品合格率方面,收到较显著的经济效益。对自由锻造工艺编制工作和生产自动化管理也具有重要意义。
In this paper, the law of broadening of billets during drawing and forgings of hydraulic anvil was researched. According to the simulation experiment, the theoretical calculation formula was obtained. The “billets’ program manual” was compiled by computer to control the process of ingot elongation. The results of more than three years of productive applications show that in improving the forging efficiency, accurate control of forgings dimensions, to ensure the effectiveness of internal deformation and compaction, improve the quality of forgings and the final product yield, received more significant economic benefits. The free forging process preparation and production automation management is also of great significance.