大型冲击式转轮机器人电弧增材制造技术应用研究
Application Research on Robot Weld Arc Additive Manufacturing Technology for Large Pelton Runner
- 2024年54卷第4期 页码:23-28
收稿:2023-12-04,
修回:2024-01-04,
纸质出版:2024-04-25
DOI: 10.7512/j.issn.1001-2303.2024.04.03
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收稿:2023-12-04,
修回:2024-01-04,
纸质出版:2024-04-25
移动端阅览
随着冲击式机组容量参数越来越大,机组核心部件转轮的尺寸不断增大,受制于锻件厂家设备制造能力和性能保障工艺,厚大马氏体不锈钢锻件质量风险巨大,成为大型冲击式机组能否研制成功的关键因素。而外部水斗结构复杂,锻件加工时材料利用率低,制造成本高,人工焊接时气孔、夹渣等缺陷不易控制,焊接质量风险大。本文通过基于电弧增材制造工艺结构设计、机器人电弧增材制造系统集成及工艺研究,开发出了一套适用于大型冲击式转轮制造的增材工艺,并成功应用于冲击式转轮的制造,大幅压缩了中心体锻件的规格,释放了厚大马氏体不锈钢锻件的制造风险,提高了外部水斗的材料利用率和焊接质量。
With the increasing capacity parameters of the pelton unit
the size of the core component runner of the unit continues to increase. Due to the manufacturing capacity and performance guarantee process of forging manufacturers
the quality risk of thick and large martensitic stainless steel forgings is enormous
which has become a key factor in the success of the development of large pelton units. The external water bucket has a complex structure
low material utilization during forging processing
high manufacturing costs
and difficult to control defects such as pores and slag inclusions during manual welding
resulting in high welding quality risks. This article develops a set of additive technology suitable for the manufacturing of large impact runners based on the structural design of arc additive manufacturing process
integration of robot arc additive manufacturing system
and process research. It has been successfully applied to the manufacturing of impact runners
greatly compressing the specifications of center body forgings
releasing the manufacturing risks of thick and large martensitic stainless steel forgings
and improving the material utilization rate and welding quality of external buckets.
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