Experimental Analysis and Geometrical Modeling of Cutting Conditions Effect in 5 Axis Milling with Ti6Al4V Alloy [PDF]
, 2012 The 5 axis continuous milling is an advanced technique for free-form surfaces manufacturing. In finishing, this technique uses ball-end or hemispherical milling cutter.
PRAT, David +3 more
core +1 more source
OPTIMIZATION OF CUTTING MODES ON HEAVY MACHINES
Bulletin of the National technical university "Kharkiv Polytechnic Institute" Series: Techniques in a machine industry, 2022 Оптимізація процесу різання має велике значення для металообробки в забезпеченні високої якості продукції та підвищенні її конкурентоспроможності. Ефективність лезової обробки металів різанням багато в чому визначається якістю різального інструменту. Ефективна оптимізація вимагає високої якості всіх етапів вибору оптимальних умов різання ...
Galyna Klymenko +4 more
+6 more sources
Assigning the turning mode based on assessment of the dynamic quality of machine tools
Известия 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
Metal cutting modelling SPH approach [PDF]
, 2011 The purpose of this work is to evaluate the use of the smoothed particle hydrodynamics (SPH) method within the framework of high speed cutting modelling. First, a 2D SPH based model is carried out using the LS-DYNA® software.
J. Limido +11 more
core +1 more source
Predictive plots for conical pick performance using mechanical and elastoplastic properties of rocks
Journal of Rock Mechanics and Geotechnical Engineering, 2020 Conical picks are by far the most widely used drag type cutting tools employed on partial face rock excavation machines. The cutting force and specific energy are two important design parameters for the conical pick performance, and the rock cutting ...
Serdar Yasar
doaj +1 more source
Possible explanations for different surface quality in laser cutting with 1 micron and 10 microns beams [PDF]
, 2012 In laser cutting of thick steel sheets, quality difference is observed between cut surfaces obtained with 1 micron and 10 micron laser beams. This paper investigates physical mechanisms for this interesting and important problem of the wavelength ...
Remy Fabbro +3 more
core +1 more source
Toward a better understanding of tool wear effect through a comparison between experiments and SPH numerical modelling of machining hard materials [PDF]
, 2009 The aim of this study is to improve the general understanding of tungsten carbide (WC–Co) tool wear under dry machining of the hard-to-cut titanium alloy Ti6Al4V. The chosen approach includes experimental and numerical tests.
Salaün, Michel +17 more
core +1 more source
Determining the processing modes of the low carbon steel by high-precision plasma cutting based on dimensionless complexes [PDF]
MATEC Web of Conferences, 2019 The results of the investigations on determining the processing modes during high-precision plasma cutting of low carbon steel based on the values of Peclet number and dimensionless power which provide the minimal value of deviation of the cut sides from
Loktionov Aleksandr +2 more
doaj +1 more source
Structural insights into an engineered feruloyl esterase with improved MHET degrading properties
FEBS Letters, EarlyView.A feruloyl esterase was engineered to mimic key features of MHETase, enhancing the degradation of PET oligomers. Structural and computational analysis reveal how a point mutation stabilizes the active site and reshapes the binding cleft, expading substrate scope.
Panagiota Karampa +5 more
wiley +1 more source
Investigation of the Cross-Cutting Polycrystalline Diamond Compact Bit Drilling Efficiency
Shock and Vibration, 2021 The parallel track scraping principle of conventional PDC bits largely limits the cutting efficiency and working life in deep formations. Cross-cutting polycrystalline diamond compact (PDC) bit may be an efficient drilling tool that increases the rock ...
Chun-Liang Zhang +5 more
doaj +1 more source