Numerical Investigation on Effect of Rounded Cutting Edge Radius in Milling of Ultra-High-Strength Steel 30Cr3SiNiMoVA

Chang Ying Wang; Jia Jin Tian; Qing Long An; Ming Chen

doi:10.4028/www.scientific.net/AMR.797.202

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Numerical Investigation on Effect of Rounded Cutting Edge Radius in Milling of Ultra-High-Strength Steel 30Cr3SiNiMoVA
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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 797Numerical Investigation on Effect of Rounded...

Numerical Investigation on Effect of Rounded Cutting Edge Radius in Milling of Ultra-High-Strength Steel 30Cr3SiNiMoVA

Abstract:

Ultra-high-strength steel 30Cr3SiNiMoVA (30Cr3) which has excellent mechanical properties is usually used to manufacture the key parts in aviation industry. Precision hard milling is an efficiency way to machine 30Cr3 instead of grinding. Rounded cutting edge radius has important influence on the machining process due to small depth of cut. In order to better understanding the influence of rounded cutting edge radius, cutting forces, cutting temperature, critical depth of cut, etc., is analyzed by using finite element method (FEM). The results show that cutting forces in the y direction are more sensitively to the rounded cutting edge radii. Ploughing effect is also observed at the end of the climb milling process and it has significant influence on the quality of the machined surface. Simulation reveals that the increment of rounded cutting edge radius can lead to the increment of critical depth of cut correspondingly and the proportionality factor is about 14%.

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Periodical:

Advanced Materials Research (Volume 797)

Pages:

202-207

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.797.202

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Online since:

September 2013

Authors:

Chang Ying Wang, Jia Jin Tian, Qing Long An, Ming Chen

Keywords:

Finite Element Method (FEM), Precision Milling, Rounded Cutting Edge, Ultra-High-Strength Steel

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