Actual Problems in Machine Building. Vol. 13. N 1-2. 2026 CONTENTS ____________________________________________________________________ 6 CONTENTS Innovative Technologies in Mechanical Engineering Yulusov I.S. Theoretical and mathematical substantiation of the efficiency of integrated machining of internal cylindrical surfaces on hybrid equipment from the perspective of dimensional chain theory 7 Popkov A.S. Mathematical substantiation of the effectiveness of the hybrid gear‑shaping machine model 5111 with integrated high‑frequency induction heating 22 Lobanov D.V., Terentyev E.A., Yanyushkin A.R., Golyushov I.S., Tatanov P.V. Control circuit of a thyristor‑regulated power supply using the double electrochemical etching method in processing composite materials 30 Chernikov A.D. Hybrid technology for manufacturing punches with integration of machining, induction hardening, and finish grinding on a single machine base 36 Technological Equipment, Machining Attachments and Instruments Zaides S.A., Tran T.D., Nguyen Q.T., Vu D. Tr. Evaluation of the thermo‑hydraulic efficiency of riblets in turbulent flow of tubular components 48 Borisov M.A., Bezmaternykh N.I., Development of a software and hardware vision system for a collaborative manipulator 54 Papko S.S. Conceptual approaches to the design of hybrid turning machines that integrate cutting operations and surface hardening using high‑frequency induction heating 62 Rozhnov E.E. Design and technological principles for creating a hybrid machine system based on a centerless grinding machine that integrates grinding and surface hardening using high‑energy high‑frequency induction heating (HEH HFC) 75 Materials Science in Machine Building Tatanov P.V., Lobanov D.V., Shneider D.A., Yanyushkin A.R., Terentyev E.A. Analysis of the theoretical composition of steel for the manufacturing of press molds for processing thermoset polymer composite materials 88 Kozulin A.A., Khrustalyov A.P., Zhukov I.A. Investigation of fatigue life of Al-Si alloys produced using recycled raw materials 95 Guidelines for Writing a Scientific Paper 102 Abstract requirements 105 Rules for authors 108
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