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Stamping of Nonuniform Channels. 5. Calculation Methods for Channel Extrusion. 5.4. Methods of Controlling the Extruded Flow

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Abstract

Methods are proposed for controlling the shaping process in free channel extrusion with misalignment of the punch and matrix, so as to obtain the required wall height. Comparison with experimental results shows that the formulas obtained are highly accurate.

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REFERENCES

  1. Vorontsov, A.L., Research of stamping of unequal channel bars. Part 5. Methods for calculating the extrusion of channels. 1. Necessary calculation formulas, Vestn. Mashinostr., 2021, no. 8, pp. 55–59.

  2. Vorontsov, A.L., Research of stamping of unequal channel bars. Part 5. Methods for calculating the extrusion of channels. 2. Extrusion of non-strengthening material, Vestn. Mashinostr., 2021, no. 10, pp. 46–52.

  3. Vorontsov, A.L., Research of stamping of unequal channel bars. Part 5. Methods for calculating the extrusion of channels. 3. Calculations of the extrusion of the hardening material, Vestn. Mashinostr., 2021, no. 11, pp. 73–77.

  4. Vorontsov, A.L., Research of stamping of unequal channel bars. Part 3. Force parameters and shape change of the billet when extruding channels. 1. Kinematic and stress states of the billet, Vestn. Mashinostr., 2021, no. 3, pp. 65–70.

  5. Kulikov, I.V., Effect of back pressure on the shape change and power mode in flat axisymmetric extrusion, Vestn. Khar’kov. Politekh. Inst., 1977, no. 131, pp. 45–48.

  6. Vorontsov, A.L., Teoriya i raschety protsessov obrabotki metallov davleniem (Theory and Calculations of Metal Forming by Pressure), Moscow: Mosk. Gos. Tekh. Univ. im. N.E. Baumana, 2014, vol. 1.

  7. Dmitriev, A.M. and Vorontsov, A.L., Physical regularities and determination of force parameters of hollow cylindrical products extrusion, Kuzn.-Shtamp. Proizvod., 2004, no. 6, pp. 3–8.

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Authors and Affiliations

  1. Bauman Moscow State Technical University, Moscow, Russia

    A. L. Vorontsov

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  1. A. L. Vorontsov
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Correspondence to A. L. Vorontsov.

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Translated by B. Gilbert

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Vorontsov, A.L. Stamping of Nonuniform Channels. 5. Calculation Methods for Channel Extrusion. 5.4. Methods of Controlling the Extruded Flow. Russ. Engin. Res. 42, 680–684 (2022). https://doi.org/10.3103/S1068798X22070310

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  • DOI: https://doi.org/10.3103/S1068798X22070310

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