Abstract
Investigations were carried out into the materials for blanks of side milling cutters produced from high-speed steel powder by hot upsetting ring-shaped porous blanks with the centripetal flow of the material. A method of evaluating the quality of material on the basis of the density and specific work of failure of specimens, cut from the discs in different areas and in different directions, was developed and applied for this purpose. The use in the blank of a central insert produced from rolled structural steel results in higher properties (“the head” effect). The results of testing the durability of cutters with working elements produced from high-speed steel powder show that their durability decreases less rapidly with increasing cutting speed than that of the cutters made of rolled material.
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References
Yu. G. Dorofeev, V. Yu, Dorofeev, F. P. Derevyannykh, and A. S. Yutishev, “Side milling cutters with working elements of high-speed steel powder. I. Technology of manufacture of side milling cutter blanks.Poroshk. Metall., Nos. 1–2, 73–78 (1999).
Additional information
Novocherkassk State Technical University. Novocherkassk Electric Locomotive Plant Scientific and Production Association. Translated from Poroshkovaya metallurgiya, Nos. 3–4(406), pp. 118–122, March–April, 1999.
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Dorofeev, Y.G., Dorofeev, V.Y., Derevyannykh, F.P. et al. Side milling cutters with working elements made of high-speed steel powder. II. Properties of cutting materials. Powder Metall Met Ceram 38, 212–215 (1999). https://doi.org/10.1007/BF02676053
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DOI: https://doi.org/10.1007/BF02676053