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#11

Forging and Stamping Production

material working by Pressure
Scientific, Technical and Production Monthly Journal
Published since January 1959.

FOUNDERIES:
AvtoVAZ Incorporated. President A.V. Nicolaev
Stock Company ôRosstankoinstrumentö. President N.A. Panichev
Moscow Institute of Steel and Alloys. Rector Yu.S. Karabasov

Contents

THEORY, CALCULATIONS, RESEARCHES

Konovalov A.V. Some Features of Stress-Strain-State Modeling
in Processes of Melal Forming
3
Komarov A.D., Barvinok V.A., Sokolova A.V., Sharov A.A. The Study
of Straight Flange Spring Back in the Constrained Bending of Sheet
Preforms by Elastic Medium
8


COLD FORMING TECHNOLOGY

Vdovin S.I., Syomin S.V. The Ability Limits of ¤-Shaped Bending
in the Die with Double-Leveled Matrix
11
Mikhalenko F.P., Borisov A.A., Zakharov D.G., Vashchenko S.V. Application of Sheet-Welded Preforms for Stamping Parts 13


EQUIPMENT

Vlasov A.V. Calculation of Stress State and Estimation of Durability
of Drop-Forging Hammer Stock
16


TECHNICAL INFORMATION

Grinfel,d L.A., Ageyenko V.A. An Automated Line for Production
of Preforms for Large Rings and Wheel Tyres
20
Boroznyak A.I., Bychkov V.M., Lutsenko V.A. The Unit for Electrohydroimpulse Forming Hollow Eccentric and Cam Shafts 23
Popovich A.P., Kozishnikov E.N. An Experience of Using the UR-121
Electroerrosion Alloying Unit for Strengthening Die Tooling
24


CHRONICLE

Isayevich L.A. The Life and Creative Legacy of Academician S.I. Gubkin 26
Onishchenko A.K., Savkin B.A. The 13th International Conference of Blacksmiths 28
International Conference ôRussian Science at the Threshold of XXI Centuryö 31
Exhibition Schedule of the 1st Quater of the Year 1999 32
Index of articles published in 1998 36

Editor-in-Chief
V.D. Kal,ner

Deputy Editor-in-Chief
E.N. Lanskoy, L.M. Orestova

Editorial board:
I.L. AKARO, L.B. AKSENOV, V.I. BALAGANSKY, V.L. BEREZHNOY, A.A. BOGATOV, YU.A. BOCHAROV, A.P. VASIL,EV, S.I. VDOVIN, A.M. VOLODIN, G.D. DEL,, A.M. DMITRIEV, M.Z. ERMANOK, YU.A. ZIMIN, V.V. KADANNIKOV, V.D. KAL,NER, YU.P. KIRDEYEV, V.D. KUKHAR,, E.N. LANSKOY, I.YA. MOVSHOVICH, A.G. OVCHINNIKOV, L.M. ORESTOVA, B.M. POZDNEEV, A.V. SAFONOV, V.M. SINITSKY, O.M. SMIRNOV, L.G. STEPANSKY, G.P. TETERIN, V.A. TYU-RIN, G. ZEMANN (GERMANY), I.K. ENNO

Editorial staff:
O.V. Zatelepina, O.L. Khimina, N.I. Strakhova

Art editor: T.N. Pogorelova

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117936 Moscow, Leninsky prospect, 4g.
Tel./Fax: 913-80-94 (deputy editor-in-chief); 955-01-97 (for information).

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