Actual Problems in Machine Building 2021 Vol.8 N3-4

Actual Problems in Machine Building. Vol. 8. N 3-4. 2021 CONTENTS ____________________________________________________________________ 7 CONTENTS Innovative Technologies in Mechanical Engineering Serdyukova D.A., Ponomarev B.B. On multi-factor modeling of free-form surface processing 9 Skomorokhova A.I., Glebov A.O. Review of methods for manufacturing products of optimal topology with an internal porous structure 14 Borisov M.A., Nikolaev V.V. Influence of cutting conditions on surface roughness during electrochemical grinding of corrosion-resistant steel 12X18H10T 19 Kazimirov D.Yu., Prokop`eva A.V., Astahov A.D., Medvedev O.A., Lushpey A.D. Surface hardening of nitinol for increased grinding quality 25 Lobanov D.V., Rafanova O.S., Vladimirova N.A. Estimation of the economy of composite materials blade processing 30 Isachenko A. S., Stolyarenko D. I. Preliminary estimate of the machining time in presswork tooling production on CNC machines 36 Shchegolkov A.V. Investigation of the formation of electrochromic WO 3 films on the surface of an ITO-electrodes by the method of chronoamperometry 41 Skeeba V.Yu., Ivancivsky V.V., Zverev E.A., Titova K.A. Implementation of high- energy heating by high-frequency currents in hybrid processing conditions 47 Tatanov P.V., Yanyushkin A. R., Shneider D.A., Yanyushkin A.S. Experience of electric erosion milling at JSC “Cheboksary electrical apparatus plant” 57 Zakharov O.V., Troshin A.A. Analysis of correlation of functional parameters of surface texture 63 Popov A.Yu., Rechenko D.S., Savin A.V., Prokofev V.A. Loss of accuracy during electric discharge machining and methods of its prevention 68 Technological Equipment, Machining Attachments and Instruments Kostin P.N., Pashkov A.A. To the question of the need to develop digital duplicates for frame and casing parts 75 Kozlov A. M., Kuznetsov S.F., Kozlov A. A. Application of the active damper to reduce vibration when milling 81 Lobanov D.V., Danilov P.G, Vladimirova N.A, Grigoriev A.N. Development of a test bench for the study of the machining process of non-metallic composite materials 87 Skeeba V.Yu., Zverev E.A., Ivancivsky V.V., Titova K.A. Hybrid equipment development 99 Zakharov O.V., Troshin A.A. Disc tool profile optimization for processing helical surfaces 109 Zemtsova N.V., Shchegolkov A.V. Electric heaters based on elastomers modified with carbon nanostructures for 3D printers 115