Advances in Mechanical Engineering: Selected Contributions from the Conference “Modern Engineering: Science and Education”, Saint Petersburg, Russia, June 2019

Description

This book draws together the most interesting recent results to emerge in mechanical engineering in Russia, providing a fascinating overview of the state of the art in the field in that country which will be of interest to a wide readership. A broad range of topics and issues in modern engineering are discussed, including dynamics of machines, materials engineering, structural strength and tribological behavior, transport technologies, machinery quality and innovations. The book comprises selected papers presented at the 8th conference "Modern Engineering: Science and Education", held at the Saint Petersburg State Polytechnic University in May 2019 with the support of the Russian Engineering Union. The authors are experts in various fields of engineering, and all of the papers have been carefully reviewed. The book will be of interest to mechanical engineers, lecturers in engineering disciplines and engineering graduates. Preface Contents Axial Rotary Forging of Inner Flanges at Thin Wall Tube Blanks 1 Introduction 2 Research Methods 3 Summary References On Vibrational Movements in a Testing Bench 1 Introduction 2 Conclusion References Research of the Antifriction Properties of Carbon 1 Introduction 2 The Design of the Stand for the Study of Carbon on Friction and Wear 3 The Results of Experimental Studies of the Friction Coefficients of Carbon 4 Methodology and Test Results of Carbon Wear 5 Conclusion References New Methodology for Kinematic Analysis in the Context of III-Class Six-Bar Linkage Study 1 State of the Problem and Research Objectives 2 Two Approaches for Mechanisms Structure Description 3 Conclusions References Algorithm for the Placement of Orthogonal Polyhedrons for the Cutting and Packing Problems 1 Introduction 2 Algorithm for the Placement of Orthogonal Polyhedrons 3 Conclusion References Friction Steering Devices as an Object of Impulse Control 1 Introduction 2 Research Methods 3 Research Results 4 Results Discussion 5 Conclusions References The Mechatronic Device Impulse Control in Vehicle Powertrains 1 Introduction 2 Methods and Materials 3 Results 4 Discussion 5 Conclusion References Consideration of Friction in Linkage Mechanisms 1 Introduction 2 Models of the Rotational KP 3 RRR Assur Group 4 Models of the Translational KP 5 RRT Assur Group 6 Conclusion References Energy Flux Analysis of Axisymmetric Vibrations of Circular Cylindrical Shell on an Elastic Foundation 1 Introduction and Statement of the Problem 2 Getting the View for the Vibration Field 3 Numerical Results and Their Analysis 4 Conclusions References Research on Possibilities of Reaching Ultra-Low Speeds on Centrifugal Workbenches, and Selection of System Components 1 Introduction References Strength Capabilities of Argon-arc Welded Joints of Shape Memory Alloy Ti–55.42 wt% Ni Wires 1 Introduction 2 Experiment and Materials 3 Results and Discussion 4 Conclusion References Steel Fiber Manufacturing by Turning with Intense Self-oscillations 1 Introduction 2 Conclusions References A New Way of Manufacturing Bimetal Products on the Basis of the Technology of Casting with Crystallization Under Pressure 1 Introduction 2 Methods and Materials 3 Results of Mechanical Tests and Metallographic Studies 4 Discussion of Results 5 Conclusion References Local Buckling of Box-Shaped Beams Due to Skew Bending 1 Introduction 2 Methods 3 Results and Discussion 4 Conclusions References Thinnest Finishing Treatment with a Focused Jet of Electrolytic Plasma 1 Introduction 2 Experiment Results 2.1 Assessment of Volt–Ampere Characteristics 2.2 Determination of Surface Roughness Parameters 2.3 Reflectivity 2.4 Determination of Material Weight Loss 2.5 Shaped Polished Surface with Minimal Removal Depth 2.6 Polished Surface Forming Mechanism 3 Results Discussion 4 Conclusions References On the Calculation of Blades Highly-Effective Impellers of Centrifugal Compressors 1 Introduction 2 Statement of the Problem and Its Solution 3 Conjugation (Matching) Conditions 4 Solution of a Two-Dimensional Boundary Value Problem 5 Application of the Modified Method of Successive Approximations to the Integration of Systems of Ordinary Differential Equations 6 Conclusions References Determination of Dynamic Errors in Machines with Elastic Links 1 Introduction 2 The Building of a Machine Aggregate Simulation Model 3 Determination of Dynamic Errors in Transient Conditions 4 Determination of Dynamic Errors in Transient Conditions References Localization of Plastic Deformation in Austenitic Steel at Low-Temperature Cycling Loading 1 Introduction 2 Methodology and Materials 3 Results of Work 4 Conclusion References Research of Vibrations of the Drive of Cycle Machines Under Powering Closure of Mechanisms 1 Introduction 2 Dynamic Models 3 Dynamic Analysis 4 Dynamic Synthesis References Electrolyte-Plasma Polishing Ionization Model 1 Introduction 2 Theoretical Part 3 Practical Part 4 Practical Value 5 Conclusions References Research and Development of a Spring Drive with Recovery Energy in the Presence of a Variable Inertial Load 1 Introduction 2 Research Methods and Results 3 Results Discussion 4 Conclusion References Research of Spring Accumulators with Output Rotary Link Used in Technological Equipment to Reduce Energy Consumption 1 Introduction 2 Statement of the Problem and Research Methods 3 Research Methodology 4 Results Discussion 5 Conclusions References Author Index