Results 11 to 20 of about 388,520 (305)

The process of metal and alloy micro-milling: an analytical review

open access: yesТехнічна інженерія, 2023
The demand for miniature, high-precision products is growing rapidly in many industries, which is driving the need for efficient manufacturing technologies. Micromilling is the most universal process for micromachining of metals and alloys.
O.O. , N.O.
doaj   +1 more source

Experimental study of coated carbide tools behaviour: application for Ti-5-5-5-3 turning [PDF]

open access: yes, 2011
The goal of this paper is to study the relation between the input data (conditions and geometry of cut) and answers (wear of tool, forces and cutting temperatures) when machining the Ti-5-5-5-3 alloy treated. This study has shown that the cutting process
Baili, Maher   +3 more
core   +4 more sources

Modes and cuts in metabolic networks: Complexity and algorithms [PDF]

open access: yesBiosystems, 2009
Constraint-based approaches recently brought new insight into our understanding of metabolism. By making very simple assumptions such as that the system is at steady-state and some reactions are irreversible, and without requiring kinetic parameters, general properties of the system can be derived. A central concept in this methodology is the notion of
Vicente Acuna   +5 more
openaire   +4 more sources

Study of the effect of cutting modes on output parameters under high-speed steel turn-milling

open access: yesAdvanced Engineering Research, 2022
Introduction. The article elucidates increasing the efficiency of turn-milling of powdered metal high-speed steel products. Turn-milling can be used as an alternative to the traditional turning method. The article describes advantages of the turn-milling
D. A. Matlygin   +3 more
doaj   +1 more source

Experimental study of the effect of rock blasting with various cutting forms for tunnel excavation using physical model tests [PDF]

open access: yesArchives of Civil Engineering, 2021
Cutting blasting has been widely used for tunnel excavation. The cutting forms significantly influence the blasting effect. This research focuses on the study of the relationship between cutting forms and blasting effects.
Huaming An, Yushan Song, Deqiang Yang
doaj   +1 more source

A new mechanism for saturating unstable r-modes in neutron stars [PDF]

open access: yes, 2013
We consider a new mechanism for damping the oscillations of a mature neutron star. The new dissipation channel arises if superfluid vortices are forced to cut through superconducting fluxtubes.
Andersson, Nils   +2 more
core   +3 more sources

Effect of electron-beam treatment on the properties of high speed steel [PDF]

open access: yes, 2003
Results of research influence of the modes of electron beam processing on structure and properties of P6M5 high-speed cutting steel are presented in article.
Bolm, Carsten   +5 more
core   +2 more sources

Technoeconomic and thermodynamic aspects of the edge cutting machining optimization

open access: yesAdvanced Engineering Research, 2016
The investigation objective is to develop a calculation method of selecting the optimum cutting speed corresponding to the minimum tool-wear rate. The analysis of the known optimization criteria such as tribological, thermal, energy and thermodynamic ...
Anatoliy A. Ryzhkin   +3 more
doaj   +1 more source

EFFICIENCY CRITERIA FOR LUBRICATING-COOLING FLUIDS

open access: yesВестник Северо-Кавказского федерального университета, 2022
There are currently many companies manufacturing a large number of lubricating fluids, which makes it hard for technologists (manufacturers) when trying to make their choice of a lubricating coolant.
Gennady I. Smagin   +3 more
doaj  

Assigning the turning mode based on assessment of the dynamic quality of machine tools

open access: yesИзвестия высших учебных заведений. Поволжский регион:Технические науки, 2023
Background. Machining on lathe machines using automation means is a complex process that depends on the properties of the dynamic system (DS) of the machine, therefore, determining cutting modes based on the minimum value of the attenuation coefficient
A.A. Ignat'ev   +4 more
doaj   +1 more source

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