基于Deform的刮板锻造工艺及模具设计研究

Research on forging process and die design of scraper based on Deform

刮板由于其较复杂的结构,在模锻过程中常存在折叠、局部填充不足、欠压及裂纹等缺陷。实践表明,锻造过程中坯料与模具温度的控制不当、坯料与毛边槽设计不够不合理,导致金属流动困难是造成缺陷的主要原因。借助有限元仿真软件Deform,通过对刮板模锻成型的模拟分析,可以提供金属材料流动、模具填充、毛坯与模具温度变换等工艺分析数据。研究表明,Deform软件的应用,可有效地避免锻造缺陷的发生、提高材料利用率、减少试锻次数,对此类锻件的生产有很强的参考价值。

Scraper often has the forging flaw in the process of forging, such as folding, under-fill, under-pressing, crack etc., due to its more complex structure. Practice shows that improper control of die and billet temperature, unreasonable design of billet and flash will cause the metal flowing difficulty, it is the main reason for the forging flaw. Using the FEM software Deform, through forging simulation and analysis of scraper, we can get the forging process date, as metal material flow, die filling, the change of die and billet temperature. Research shows that Deform software′s application can effectively avoid the happening of forging flaw, improve the material’s utilizing rate and decrease the test times of forging, and it also has the reference value for the similar forging process.