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1
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Inżynieria Biomateriałów
2
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Journal of Automation Mobile Robotics and Intelligent Systems
EN High precise measurement techniques and surface structure analysis are required in advanced fields of interchangeable manufacturing and precision engineering. This study presents the characterization of the surface roughness of the machined milling cutters by experimental precision measurements and [...]
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Journal of Machine Engineering
2012 Vol. 12, No. 1 111--118
EN The different technological operation can form the variety of surface with the different functionality. In this paper the surface texture produced by hard turning of a quenched 100Cr6 steel of 62-64 HRC hardness using mixed ceramic (MC) tools and subsequent superfinishing and multipass burnishing op[...]
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Journal of KONES
EN Results of the study of surface roughness of the aircraft engine blade model, produced with various methods of rapid prototyping are presented. Blade models were made with two incremental methods of rapid prototyping: stereo lithography (SLA-250 device) and three-dimensional printing (Z510 Spectrum [...]
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Journal of KONES
EN Article presents analysis of surface roughness of aircraft and vehicle power transmission system gear teeth made by different Rapid Prototyping methods. Gear box models have been made by two rapid prototyping methods: stereolithography (SLA), three dimensional printing (3DP) and two rapid tooling me[...]
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Optica Applicata
EN A fiber optic sensor system is developed to probe the surface texture of corroded metals. The present work is based on the principle of scattering of light by objects. A light beam from an LED source is focused onto the corroded surface. Specular and diffuse reflection of the surface is measured ver[...]
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Materials Science Poland
2008 Vol. 26, No. 4 1039--1044
EN An effective magnetostriction model for monocrystalline thin films of cubic structure has been presented. The film roughness was simulated by cubicoidal steps on surface repeated in the plane with a constant period. In order to describe a magnetoelastic energy, a pseudodipolar spin–spin interaction [...]
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Metrology and Measurement Systems
EN The prediction of machined surface parameters is an important factor in machining centre development. There is a great need to elaborate a method for on-line surface roughness estimation [1-7]. Among various measurement techniques, optical methods are considered suitable for in-process measurement o[...]
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TASK Quarterly : scientific bulletin of Academic Computer Centre in Gdansk
EN The paper presents a new extension of the -Ret model to account for both the laminar-turbulent transition and the surface roughness. The new modeling approach takes into account the pressure gradient, turbulence intensity and roughness height and density. In the transition region both the intermitt[...]
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Archives of Civil and Mechanical Engineering
PL W pracy przedstawiono wyniki badań doświadczalnych nad kształtowaniem się mikro- geometrii powierzchni otworów walcowych, które szlifowano ściernicami z ziarnem mikro- i monokrystalicznego CBN oraz Al2O3. Mikrochropowatość powierzchni charakteryzowano za pomocą takich parametrów jak: Ra, S, rśr, .a,[...]
EN The paper presents the results of the tests on surface microgeometry being formed during internal grinding by means of micro- and monocrystalline CBN and Al2O3 grinding wheels. Surface roughness was characterized by such parameters as: Ra, S, rśr, .a, KPS versus vs, vfa, vw, ae. They describe specif[...]
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Archives of Civil and Mechanical Engineering
PL Przedstawiono przegląd spotykanych w literaturze sposobów prognozowania wyniku szlifowania. Omówiono ich zalety i ograniczenia. Korzystając z metodyki modelowania neuronowego, zaprezentowano sposób prognozowania wyników szlifowania pozostających trwale w przedmiocie obrabianym. Opracowano model pozw[...]
EN In the paper, a neural model allowing us to forecast chosen surface layer features of the ground workpiece is described. The model was used for analysing the influence of wheel characteristics and dressing conditions on surface roughness of workpiece and residual stresses. The relationships publishe[...]
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Górnictwo Odkrywkowe
PL Wykazano, że maksymalna teoretyczna, wysokość powtarzających się regularnie zespołów nierówności powierzchni wytworzonych w toczeniu wibracyjnym przyjmuje wartości dwukrotnie większe niż dla powierzchni uzyskanych w drodze toczenia zwykłego. Stwierdzono, że o ile wzrost amplitudy drgań narzędzia po[...]
EN Examination of the workpiece surface machined by vibration-assisted turning revealed that the maximum roughness height was at times twice the value measured in convention turning. It was found in turning tests on H23N18 austenitic steel that the amplitude of tool vibration is among the chief paramet[...]
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Optica Applicata
EN The aim of the paper is to examine one of variant inverse problems constituting the basis for surface roughness measurements by light scattering methods. This problem consists in determining the scatterer form based on measured distribution of scattered light intensity. A solution of the inverse pro[...]
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Metrology and Measurement Systems
EN Surface roughness parameter prediction and evaluation are important factors in determining the satisfactory performance of machined surfaces in many fields. The recent trend towards the measurement and evaluation of surface roughness has led to renewed interest in the use of newly developed non-cont[...]
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Journal of KONES
2015 Vol. 22, No. 2 139--147
EN Angular momentum pumps are very often used in cooling circuits of medium and high power engines, power plant boilers as well as bilge, ballast and firefighting installations. Such an extensive use of angular momentum pumps on board is connected with their numerous advantages. However, during operati[...]
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Advances in Science and Technology Research Journal
EN The article presents the results of studying the effects of technological parameters of milling upon surface roughness and microhardness of C45 steel objects after laser cutting. The metallographic structure formed as an effect of cutting by laser was also analyzed. The milling was performed on a FV[...]
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Metrology and Measurement Systems
2017 Vol. 24, nr 2 381--390
EN This study proposes a surface profile and roughness measurement system for a fibre-optic interconnect based on optical interferometry. On the principle of Fizeau interferometer, an interference fringe is formed on the fibre end-face of the fibre-optic interconnect, and the fringe pattern is analysed[...]
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Advances in Manufacturing Science and Technology
PL Opracowano charakterystyki profili chropowatości powierzchni generowanych w operacjach toczenia wzdłużnego za pomocą ciągłej transformacji falkowej (CWT). W prowadzonej analizie porównawczej, wykonano selekcję charakterystycznych profili powierzchni po toczeniu różnych materiałów: stali niestopowej [...]
EN In this paper the surface profiles generated in longitudinal turning operations were characterized using continuous wavelet transform (CWT). In the comparative analysis, some characteristic roughness profiles after the turning of three different workpiece materials, such as C45 medium carbon steel, [...]
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Archiwum Technologii Maszyn i Automatyzacji
PL W artykule przedstawiono analizę profili chropowatości powierzchni z wykorzystaniem ciągłego przekształcenia falkowego. Analizie poddano profile chropowatości powierzchni po toczeniu, szlifowaniu wstępnym i wykańczającym taśmą ścierną zahartowanej stali AISI52100 o twardości 62 HRC. Zastosowano dwie[...]
EN In this paper surface roughness profile assessment using contmous wavelet transform (CWT) is shown. Rouchness profiles after turning and rough and finish belt grinding of hardened (62HRC) AISI52100 steel are analyzed. Both Morlet and "mexican hat" mother-wavelets are used for the assesment of extrem[...]
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Archives of Metallurgy and Materials
2017 Vol. 62, iss. 3 1443--1447
EN Electropolishing is electrochemical method used in metal working that has a vital role in production of medical apparatus, in food or electric industry. The purpose of this paper is to determine optimal current parameters and time required for conducting electropolishing process from the perspective[...]
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