Machinability Study on Hard Milling of Ultra-High Strength Steel 30Cr3SiNiMoVA

Ming Chen; Jinyang Xu; Zhi Qiang Liu; Qing Long An

doi:10.4028/www.scientific.net/AMR.565.496

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Chip Formation Characteristics in High-Speed Machining of Hardened AISI1045 Steel
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Machinability Study on Hard Milling of Ultra-High Strength Steel 30Cr3SiNiMoVA
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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 565Machinability Study on Hard Milling of Ultra-High...

Machinability Study on Hard Milling of Ultra-High Strength Steel 30Cr3SiNiMoVA

Abstract:

The superior mechanical and physical properties of ultra-high strength steel 30Cr3SiNiMoVA have awarded the material such desirable and increasing demands in aerospace and aviation industries. Due to its excellent properties, 30Cr3SiNiMoVA is usually classified as a difficult-to-cut material. The machining process of ultra-high strength steel is often characterized by high cutting forces, low surface finish and severe tool wear. In actual production, hard cutting which is a profitable alternative to finish grinding is usually employed in order to improve machining efficiency and reduce processing cost. Therefore, this research concerns the machinability evaluation in hard milling of 30Cr3SiNiMoVA by using TiAlN coated carbide tools. The machinability of the steel was investigated with respect to cutting forces, surface roughness, chip morphology and tool wear, respectively. Finally, a comparative test was also conducted between hard milling and grinding process. The results pointed out that hard milling and coated tools were suitable, beneficial and effective for manufacturing ultra-high strength steel 30Cr3SiNiMoVA.

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Periodical:

Advanced Materials Research (Volume 565)

Pages:

496-502

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.565.496

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Online since:

September 2012

Authors:

Ming Chen, Jinyang Xu, Zhi Qiang Liu, Qing Long An

Keywords:

Hard Milling, Machinability, Ultra High-Strength Steel

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