Vol. 39, No. 8, 2019

Russian Engineering Research

Selecting the Gear Ratio of the Final Drive in Light Caterpillar Vehicles

Yu. I. Krykhtin and V. I. Karlov p. 631 abstract

CNC Machine Tools and Digital Twins

Yu. G. Kabaldin, D. A. Shatagin, M. S. Anosov, P. V. Kolchin and A. M. Kuz’mishina p. 637 abstract

Shaping of Cams for High-Torque Variable-Speed Drives

B. V. Pylaev p. 645 abstract

Hydrodynamic Calculation of a Thrust Bearing with an Adapted Profile

A. N. Opatskikh, S. A. Solop and S. S. Chernyaev p. 650 abstract

Production of Large Disks from Cylindrical Blanks by Plastic Deformation. 3. Final Stage of Central-Punch Introduction

A. L. Vorontsov p. 656 abstract

Residual Stress in the Surface Layer after Asymmetric Lapping

A. M. Gafarov, Z. Z. Sharifov and V. A. Gafarov p. 659 abstract

Dual-Action Drilling and Milling Tool

D. T. Khodzhibergenov, K. T. Sherov and A. Esirkepov p. 665 abstract

Smart Automated Design Utilizing Engineering Experience

D. V. Kondusov and V. B. Kondusova p. 669 abstract

Additive Technology in Restoring the Worn Spherical Surface of Crusher Cones

E. F. Romanenko, V. V. Gorozhankin, V. M. Shestakova, M. S. Terekhin, D. N. Romanenko and R. R. Dema p. 672 abstract

Informational Model of State Change in a Mechanical System

V. A. Zorin, N. I. Baurova, V. I. Balovnev, V. V. Grib and E. A. Kosenko p. 680 abstract

Assessing the State of Mechanical Systems of Different Complexity

V. A. Zorin, N. I. Baurova, V. I. Balovnev, V. V. Grib and E. A. Kosenko p. 683 abstract

Electromechanical Converters in Guaranteed Power-Supply Systems for Drives of Machine Tools and Manufacturing Equipment

A. N. Sova, I. V. Dem’yanushko, L. N. Britvin, G. S. Mazlumyan and O. A. Valyaev p. 686 abstract

Drives in Systems Based on a Composite Electrical Machine with a Circular Field in the Air Gap

A. N. Sova, I. V. Dem’yanushko, L. N. Britvin, G. S. Mazlumyan and S. A. Eruslankin p. 689 abstract

Production of Tool Coatings by Chemicothermal Plasma Methods

V. A. Aleksandrov, L. G. Petrova, A. S. Sergeeva, V. D. Aleksandrov and E. U. Akhmetzhanova p. 693 abstract

Influence of Nitriding on the Wear Resistance and Adhesion of Zinc Coatings on Steel

L. G. Petrova, P. E. Demin, G. Yu. Timofeeva, A. V. Kosachev and V. D. Aleksandrov p. 696 abstract

Improvement in Ultrasound Liquid Machining by Activating Cavitational Clusters

R. I. Nigmetzyanov, V. F. Kazantsev, V. M. Prikhod’ko, S. K. Sundukov and D. S. Fatyukhin p. 699 abstract

Improving Rivet Performance by Ultrasonic Shock Treatment

D. S. Fatyukhin, R. I. Nigmetzyanov, S. K. Sundukov, Yu. M. Luzhnov and S. Yu. Kuznetsov p. 703 abstract

Life-Cycle Approaches in Computerized Vehicle Design and Additive Technology

A. V. Ostroukh, B. S. Subbotin, V. B. Borisevich, A. I. Ryabchinskii and V. M. Prikhod’ko p. 705 abstract

Additive Technology in Optimal Synthesis of Individual Vehicle Components and Mechanisms

A. V. Ostroukh, B. S. Subbotin, V. B. Borisevich, A. I. Ryabchinskii and S. R. Kristal’nyi p. 710 abstract

Conversion of Diesel Engines to a Gas and Gas–Diesel Cycle

V. V. Sinyavskii, S. N. Bogdanov, I. V. Alekseev and Yu. S. Faddeikina p. 713 abstract

Improving the Components of a High-Pressure Hydraulic System in a Piston Power Unit

S. N. Bogdanov, I. V. Alekseev, E. A. Savastenko and A. A. Savastenko p. 717 abstract