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Determination of the One-to-One Correspondence between the Kinematic Screw of the Output Link and the Gradient Screw in a Singular Configuration of a Parallel Mechanism
Authors: Gebel E.S., Glazunov V.A. | Published: 06.07.2017 |
Published in issue: #7(688)/2017 | |
Category: Calculation and Design of Machinery | |
Keywords: parallel mechanism, Gough–Stewart platform, singularity, Plücker coordinates, kinematic screw, power screw |
A Study of Longevity of Thin-Wall Rubber Sealing Elements in a Linear Hydraulic Drive
Authors: Mikhailov V.P., Deulin E.A. | Published: 11.07.2017 |
Published in issue: #7(688)/2017 | |
Category: Calculation and Design of Machinery | |
Keywords: linear hydraulic drive, longevity of a thin-wall rubber element, elastic fatigue fracture, dynamics of crack propagation |
An Analysis of Crack Resistance of a Main Pipeline Taking into Account Residual Welding Stresses
Authors: Pokrovsky A.M., Dubovitskiy E.I. | Published: 11.07.2017 |
Published in issue: #7(688)/2017 | |
Category: Calculation and Design of Machinery | |
Keywords: main pipeline, residual welding stresses, operating stresses, finite element method, Irvine fracture criterion, crack resistance, critical depth of the crack |
A Reliability Analysis of the Foundations of Machines and Mechanisms under Periodic Loads by the Criterion of Oscillation Amplitude
Authors: Utkin V.S. | Published: 11.07.2017 |
Published in issue: #7(688)/2017 | |
Category: Calculation and Design of Machinery | |
Keywords: reliability of a machine foundation, oscillation amplitude, random value, fuzzy variable, possibility of failure, failure-free operation |
The Implementation of the Gurson–Tvergaard–Needleman Model for Simulation of Cold Forging Processes of Incompressible Materials
Authors: Vlasov A.V., Gerasimov D.A. | Published: 08.08.2017 |
Published in issue: #8(689)/2017 | |
Category: Calculation and Design of Machinery | |
Keywords: Gurson–Tvergaard–Needleman model, cold forging, incompressible material, viscous fracture, microvoid nucleation, microvoid growth |
The Evaluation of Efficiency of Roller Free-Wheel Mechanisms Through Computation and Experiments
Authors: Zolotov I.A., Sharkov O.V. | Published: 08.08.2017 |
Published in issue: #8(689)/2017 | |
Category: Calculation and Design of Machinery | |
Keywords: roller free-wheel mechanism, reliability theory, fatigue strength, external cage, computational and experimental method |
The Influence of Milling Parameters on the Formation of Driving Force Impulses
Authors: Kozar D.M., Krauinsh P.Y. | Published: 08.08.2017 |
Published in issue: #8(689)/2017 | |
Category: Calculation and Design of Machinery | |
Keywords: milling by cutter, machining of material, impulse action, impulse parameters, milling parameters |
A Study of the Influence of Machining Parameters on the Surface Roughness of the 40Kh Tempered Steel Parts when Turning by Ceramic Cutters
Authors: Pronin A.I., Mylnikov V.V., Chernyshov E.A. | Published: 09.08.2017 |
Published in issue: #8(689)/2017 | |
Category: Calculation and Design of Machinery | |
Keywords: cutting ceramics, tempered steel, optimum cutting modes, hard turning, cutting speed, cutting speed, cutting force |
A Method for Determining the Maximum Permissible Speed of a Pallet on a Gravity Roller Conveyor
Authors: Nosko A.L., Safronov E.V. | Published: 09.08.2017 |
Published in issue: #8(689)/2017 | |
Category: Calculation and Design of Machinery | |
Keywords: gravity roller conveyor, pallet speed, pallet separator, Cox’s impact theory |
A Planetary Roller Screw Mechanism with Shaped Rollers for Converting Rotational Motion to Linear Motion
Authors: Ryahovskiy O.A., Vorobiev A.N., Marokhin A.S. | Published: 10.08.2017 |
Published in issue: #8(689)/2017 | |
Category: Calculation and Design of Machinery | |
Keywords: «inverted» planetary roller screw mechanism, shaped rollers, gears with internal teeth, driving nut, shaped nut |