Zobrazeno 1 - 10
of 60
pro vyhledávání: '"Gheorghe Nagîț"'
Autor:
Gheorghe Nagîț, Andrei Marius Mihalache, Irina Beșliu-Băncescu, Oana Dodun, Liviu Andrușcă, Adelina Hrițuc, Sergiu Constantin Olaru, Laurențiu Slatineanu
Publikováno v:
Machines, Vol 12, Iss 8, p 507 (2024)
Currently, some parts made from workpieces in the form of sheets or strips are obtained by applying piercing processes. In the research whose results are presented in the article, square-shaped holes were made to evaluate the piercing accuracy of the
Externí odkaz:
https://doaj.org/article/fe9d36144f984332803f57b1cd348143
Autor:
Adelina Hrițuc, Vasile Ermolai, Andrei Marius Mihalache, Liviu Andrușcă, Oana Dodun, Gheorghe Nagîț, Marius Andrei Boca, Laurențiu Slătineanu
Publikováno v:
Micromachines, Vol 15, Iss 1, p 150 (2024)
It is known that ceramic–polymer composite materials can be used to manufacture spherical bodies in the category of balls. Since balls are frequently subjected to compression loads, the paper presents some research results on the compression behavi
Externí odkaz:
https://doaj.org/article/948c7ec8a1b249fdb3d673ccfc23c1e9
Autor:
Adelina Hrițuc, Andrei Marius Mihalache, Oana Dodun, Gheorghe Nagîț, Irina Beșliu-Băncescu, Bruno Rădulescu, Laurențiu Slătineanu
Publikováno v:
Polymers, Vol 16, Iss 1, p 5 (2023)
To evaluate the sound insulation capacity of small panels made of polymeric materials by 3D printing, a Taguchi L18-type factorial experiment with eight independent variables was designed and materialized. The independent variables were the panel thi
Externí odkaz:
https://doaj.org/article/95dd082aad704dbabf2b61b37d38f168
Autor:
Gheorghe Nagîț, Andrei Marius Mihalache, Oana Dodun, Adelina Hrițuc, Laurențiu Slătineanu, Vasile Merticaru
Publikováno v:
Lubricants, Vol 11, Iss 10, p 436 (2023)
The surfaces of the mechanical parts involved in friction processes are made using different processing methods. Each of these processing methods leads to a certain profile of the asperities of the generated surfaces. When such surfaces are subjected
Externí odkaz:
https://doaj.org/article/beb5ec6b657246ffbef04000ce3fe9ed
Publikováno v:
Nonconventional Technologies Review, Vol 26, Iss 3 (2022)
Electrochemical machining is usually included in the wider group of non-conventional machining methods. This method is based on the material removal from the workpiece as a result of chemical reactions between the electrolyte and the material of the
Externí odkaz:
https://doaj.org/article/26651195936749f2a225eb702fb318e9
Autor:
Eugen Merticaru, Vasile Merticaru, Gheorghe Nagîț, Andrei Marius Mihalache, Liviu Lucian Tăbăcaru, Marius Ionuț Rîpanu
Publikováno v:
Machines, Vol 11, Iss 7, p 770 (2023)
Cam mechanisms, covering a large structural variety, are widely used in machinery, mainly as components of automated systems. Their functioning behavior is affected by negative dynamic phenomena determined by specific high velocities and acceleration
Externí odkaz:
https://doaj.org/article/a81197c8ef3e4e158bbbac419e44c15d
Publikováno v:
Nonconventional Technologies Review, Vol 26, Iss 1 (2022)
Fused Filament Fabrication is a 3D Printing technology that uses molten thermoplastic material forced through a nozzle to manufacture parts additively. This technology can use many thermoplastic grades and can produce single or multi-material parts d
Externí odkaz:
https://doaj.org/article/0b4461a7ea0346249ab6c32397888119
Publikováno v:
Micromachines, Vol 14, Iss 2, p 341 (2023)
In some cases, industrial practice requires the production of walls or parts with a thickness of less than one millimeter from a metal workpiece. Such parts or walls can be made by milling using disc cutters. This machining method can lead to the gen
Externí odkaz:
https://doaj.org/article/786e2fb9640343a5b23ff6f6dcc5433a
Autor:
Andrei-Marius Mihalache, Vasile Ermolai, Alexandru Sover, Gheorghe Nagîț, Marius-Andrei Boca, Laurențiu Slătineanu, Adelina Hrițuc, Oana Dodun, Marius-Ionuț Rîpanu
Publikováno v:
Polymers, Vol 14, Iss 22, p 4990 (2022)
The strength of a joint between the ends of one or more strips can be improved by making the contours of the joint into the shape of either the Greek letter omega or of a dovetail. From the point of view of industrial practice, it is of interest to s
Externí odkaz:
https://doaj.org/article/c743dcf3ec7d4e07b234bd802e0cf712
Autor:
Vasile Merticaru, Gheorghe Nagîț, Oana Dodun, Eugen Merticaru, Marius Ionuț Rîpanu, Andrei Marius Mihalache, Laurențiu Slătineanu
Publikováno v:
Micromachines, Vol 13, Iss 9, p 1520 (2022)
Complex surfaces such as helical ones are commonly used in machinery. Such surfaces can be obtained by various machining processes, one of these processes being thread whirling. The influence of machining conditions needs to be better understood to d
Externí odkaz:
https://doaj.org/article/61867fbdf009486a9cee64615eb9acbc