Application of Processing Method Enlarging a Partial Diameter to Shaft Parts of Practical Size

Kazuki Mori; Nagatoshi Okabe; Xia Zhu; Tadashi Iura

doi:10.4028/www.scientific.net/MSF.475-479.3065

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HomeMaterials Science ForumMaterials Science Forum Vols. 475-479Application of Processing Method Enlarging a...

Application of Processing Method Enlarging a Partial Diameter to Shaft Parts of Practical Size

Abstract:

. A novel processing method was proposed to enlarge a partial diameter in the middle of a round bar with an experimental size of 10mm in diameter. To confirm that the processing method is applicable also to shaft with a practical size of 25mm-60mm in diameter for general industrial machine, a large-scale processing machine was developed. Deformation behavior of diameter in a processed part during processing process was made to an expression. The several influences, such as bending angle θ, axial-compressive stress σc, diameters D0, rotation number N of shaft and curvature radius ρ, on the increase behavior of diameter were estimated quantitatively.

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Periodical:

Materials Science Forum (Volumes 475-479)

Pages:

3065-3070

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.475-479.3065

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Online since:

January 2005

Authors:

Kazuki Mori, Nagatoshi Okabe, Xia Zhu, Tadashi Iura

Keywords:

Axial-Compressive Stress, Bending Angle, Collar Processed, Deformation Behavior, Expression Modeling, Processing Method, Rotational Speed, Shaft, Zipper

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References

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[6] T. Iura, N. Okabe and X. Zhu, Journal of the JSTP, Vol. 45, No. 516(2004), pp.35-39 (in Japanese) 0 5 10 15 20 25 30 35 40 0 50 100 150 ω (rpm) N Do=32mm, ρ=5mm Do=32mm,ρ=10mm Estimation D0=32 , D/D0=1.5 Fig.9 Relation between rotation number N and rotating rate ω 0 10 20 30 40 0 0.2 0.4 0.6 ρ/D 0 N ω Do=25 Do=32 Do=40 Approximation Fig.10 Relation between rotation number Nω and ρ/D0 N

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