Katarzyna Tandecka

Katarzyna Tandecka
Koszalin University of Technology · Department of Mechanical Engineering

PhD, MA

About

108
Publications
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609
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March 2011 - present
Koszalin University of Technology
Position
  • Professor (Assistant)

Publications

Publications (108)
Article
Full-text available
This study investigates the surface topography of microfinishing abrasive films and their machining capability on the Nimonic 80A superalloy, a high-performance nickel-based alloy commonly used in aerospace and gas turbine engine applications. Surface analysis was conducted on three abrasive films with nominal grain sizes of 30, 15, and 9 µm, explo...
Article
Full-text available
Background: One of the rarest complications of fixed orthodontic retention is inadvertent tooth movement of the teeth bonded to the retainer. A 25-year-old patient presented at the orthodontist as she was preoccupied about the position of the lower teeth. The aim of this case report was to present a follow-up of anterior teeth alignment after fixed...
Article
Full-text available
This article presents a comprehensive investigation into pressure rollers utilized in the microfinishing process, covering aspects such as design, experimental properties, compliance, and finite element simulation. Prototype pressure rollers with unconventional elastomer configurations were designed and analyzed to explore their effectiveness in ac...
Article
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This study introduces innovative designs for abrasive tools aimed at enhancing surface finishing processes. Prototypes consisting of non-continuous abrasive films with discontinuous surface carriers and abrasive layers were developed to improve the efficiency and effectiveness of the smoothing process. Four distinct abrasive films with varying nomi...
Article
Full-text available
In this study, the surface of new lapping films was analyzed, and the lapping finishing process was applied to RG7 tin bronze alloy. The research focused on examining lapping films with electrocorundum grains of nominal sizes 30, 12, and 9 μm, commonly used for achieving smooth surfaces. The manufacturing process involves placing abrasive grains an...
Article
Full-text available
Introduction This study performed a 3-dimensional analysis of tooth movement during orthodontic retention to assess the effectiveness of double retention (fixed and removable) in preventing undesired tooth movement. Methods One hundred randomly selected patients were included at the initiation of double orthodontic retention with fixed retainers a...
Patent
Full-text available
Przedmiotem wynalazku jest generator wibracyjny, zwłaszcza do procesów galwanizacji, stosowany w procesie powlekania elementów metalowych wynurzanych w kąpieli cynkowej. Wynalazek charakteryzuje się tym, że w korpusie (1) usytuowany jest mechanizm krzywkowy (2), wymuszający ruch oscylacyjny o określonej amplitudzie i częstotliwości, przy czym mecha...
Patent
Full-text available
Przedmiotem wynalazku jest głowica do wygładzania foliami ściernymi zewnętrznych powierzchni przedmiotów obrabianych charakteryzująca się tym, że posiada dwa układy przesuwu (1) folii ściernej (7) umieszczone symetrycznie względem poziomej osi przedmiotu obrabianego (11) składające się z dwóch rolek (9, 10), połączonych z korpusem (8) zamocowanym n...
Patent
Full-text available
Przedmiotem wynalazku jest głowica do wygładzania foliami ściernymi zewnętrznych powierzchni walcowych, charakteryzująca się tym, że posiada dwa układy przesuwu (1) foli ściernej (7), umieszczone symetrycznie względem osi przedmiotu obrabianego(11), z których każdy zawiera co najmniej dwie rolki (9, 10) połączone z korpusem (8), zamocowanym na stał...
Patent
Full-text available
Przedmiotem wynalazku jest układ do mikrowygładzania przedmiotów obrotowych (1) folią ścierną (2). Układ posiada dwa zespoły dociskowe (9, 10) realizujące sprężysty docisk przemieszczającej się folii ściernej (2) do przedmiotu obrabianego (1) - zespół dociskowy podający (9) folię ścierną (2), zawierający rolkę rozwijającą (11) nową folię ścierną (2...
Patent
Full-text available
Przedmiotem wynalazku jest zespół głowic do trójstrefowego mikrowygładzania przedmiotów obrotowych (1) foliami ściernymi (2) zapewniający mikrowygładzanie przedmiotów obrabianych (2) jednocześnie dwiema foliami ściernymi (2), obejmujący dwie głowice do mikrowygładzania - głowicę (12) do mikrowygładzania wstępnego oraz głowicę (13) do mikrowygładzan...
Patent
Full-text available
Urządzenie do wygładzania foliami ściernymi zewnętrznych powierzchni walcowych, składające się z obrabiarki oraz głowicy z układem przesuwu folii ściernej obejmującym rolkę docisku folii, rolkę rozwijającą i rolkę zwijającą folię ścierną, charakteryzuje się tym, że obrabiarka jest wyposażona w przymocowany na stałe do łoża obrabiarki zbiornik (22)...
Patent
Full-text available
Sposób mikrowygładzania ściernego powierzchni, zwłaszcza zewnętrznych powierzchni walcowych polega na tym, że przeprowadza się folię ścierną (5) przez rolkę prowadzącą (2) zanurzając folię ścierną (5) w środowisku płynu obróbkowego (8) w zbiorniku (7), następnie dociska się folię ścierną (5) do przedmiotu obrabianego (4) rolką dociskową (3) poddają...
Article
The traditional process of mechanical cutting of electrotechnical steels, still have many advantages such as: high efficiency, no thermal deformation zone affected by hot ablation, the possibility of shaping products of any length of the cutting line. However, this process introduces a substantial plastic deformation to the sheet metal and causes p...
Article
Full-text available
This paper presents a methodology for assessing the state of the active surface of abrasive tools using new parameters that characterize their machining potential. The new parameters were defined in consideration of the features of abrasive tools, which resulted from the variability of the arrangement of the ridges of abrasive grains and the divers...
Article
Full-text available
The present paper covers the possible ways to fabricate advanced porous coatings that are enriched in copper on a titanium substrate through Direct Current Plasma Electrolytic Oxidation (DC-PEO) with voltage control, in electrolytes made of concentrated orthophosphoric acid with the addition of copper(II) nitrate(V) trihydrate. In these studies, so...
Article
Full-text available
To fabricate porous copper coatings on titanium, we used the process of plasma electrolytic oxidation (PEO) with voltage control. For all experiments, the three-phase step-up transformer with six-diode Graetz bridge was used. The voltage and the amount of salt used in the electrolyte were determined so as to obtain porous coatings. Within the frame...
Article
Full-text available
Background: Increased composite roughness enhances bacterial adhesion and discoloration, thus increasing the risk of gingival inflammation and secondary caries. Concerns about detrimental effects of sodium bicarbonate on surface roughness influenced the development of less abrasive powders: a glycine-based powder and an erythritol-based powder, ad...
Patent
Full-text available
Folia ścierna ma nieciągłość w postaci perforacji, zawierającej przecięcia (2) albo wycięcia (11). Są one rozmieszczone cyklicznie i mają powtarzalny kształt i wielkość. Rzut przecięć (2) na kierunek równoległy do krawędzi taśmy (1) jest większy od rzutu na kierunek do niego prostopadły. Suma rzutów przecięć (2) na kierunek prostopadły do krawędzi...
Article
Full-text available
One of the sources of errors affecting the uncertainty of measurements of the surface texture is the measurement noise, called dynamic noise, which is a combination of the internal noise of the measuring instrument and the influence of the external environment. The article presents the comparison of measurement noise for instruments using various m...
Conference Paper
Full-text available
Jednym ze źródeł błędów mających wpływ na niepewność pomiarów struktury geometrycznej powierzchni jest szum pomiarowy, zwany szumem dynamicznym, który jest kombinacją szumu wewnętrznego przyrządu pomiarowego oraz oddziaływania środowiska zewnętrznego. Występowanie szumu pomiarowego jest jedną z przyczyn braku powtarzalności pomiarów wynikającej z b...
Article
Full-text available
Estimation of the machining capacity of grinding wheels after the conditioning process, during their operation and after the grinding process is an important and complex problem. The article presents a methodology for the evaluation of wheel topography using a new height indicator and sharpness of abrasive grains, which enables determination of the...
Article
Full-text available
In the paper, the effect of voltage increase (from 500 VDC up to 650 VDC) on the structure and chemical composition of the porous coating on titanium made by Plasma Electrolytic Oxidation is presented. Phosphates-based coatings enriched with calcium, magnesium, zinc, and copper in electrolyte based on 1 L of 85% concentrated H3PO4, with additions o...
Article
Full-text available
Micro-finishing with abrasive foils is characterized by a single use of the tool, which makes it necessary to optimally fill the space between the grains of the processing products. Microscopy research with the use of scanning electron microscopy enables a more complete evaluation of the machining process. Based on the structure of micro-chips, the...
Article
Full-text available
Micro-finishing with abrasive foils consists in performing several smoothing operations using abrasive foils of smaller and smaller nominal grain size in order to obtain a high smoothness of the surface being processed. The abrasive grains on the surface of the IDLF film, in particular with the grain size of 3 and 9 µm, are often arranged in the fo...
Article
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In order to determine the micro-finishing abilities of diamond abrasive films, surface topography was analyzed using confocal microscopy OLS 4000 Olympus. In the analysis of stereometric features of the abrasive surface, it was considered that during the micro-finishing process the abrasive surface is pressed against the workpiece. The procedure fo...
Article
Full-text available
The results of grinding are highly dependent on conditions of workpiece removal process. The material is removed by an unspecified number of abrasive grains of irregular shape and random distribution on the grinding wheel active surface. The interaction between the abrasive grain and the workpiece can be divided into three stages: (i) rubbing, (ii)...
Article
Full-text available
Mechanical cutting allows separating of sheet material at low cost and therefore remains the most popular way to produce lami-nations for electrical machines and transformers. However, recent investigations revealed the deteriorating effect of cutting on the magnet-ic properties of the material close to the cut edge. The deformations generate elast...
Article
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In the paper the active of abrasive grains in the films abrasive finishing process was analyzed. The results of the simulation of surface smoothing process were presented. The subject matter of the analysis was a 3IDLF diamond abrasive film.
Article
Full-text available
In the publication an evaluation of the develop of shape of the vertex surface of the roughness after the process of grinding was presented. Two different computational methods were used to determine the development of the vertex of surface area for which similar results were obtained.
Article
Full-text available
The paper analyzes the wear and durability of abrasive films designed for microsmoothing produced by electrostatic method. In order to carry out tool wear studies, a microgrinding process was performed using an abrasive film with a nominal grain size of 15 μm. The next step was the study, using scanning microscope. Crushed grains were observed on t...
Article
Full-text available
This paper describes the methodology and results of research on the tribological characteristics of the surfaces of diamond abrasive films using a stereometric analysis. Abrasive films are used in various finishing processes of surfaces with very high smoothness and accuracy. A morphological analysis of surface vertexes in the plane that is paralle...
Article
Full-text available
Background Termination of fixed orthodontic treatment is associated with bracket debonding and residual adhesive removal. These procedures increase enamel roughness to a degree that should depend on the tool used. Enamel roughening may be associated with bacterial retention and staining. However, a very limited data exists on the alteration of 3D e...
Article
Full-text available
Previous studies on preferences of phoretic deutonymphs of Uropodina for attachment sites have shown that they frequently select smooth and hydrophobic surfaces. The aim of our study was to provide the detailed morphological and topographical characteristics of beetle body surfaces to which deutonymphs frequently attach and to verify how the presen...
Article
Full-text available
Results of research on the effect of stainless steel (SS) surface roughness on the amount and microscopic structure of milk impurities, formed under the influence of high-temperature milk processing are presented. Three types of plates of different roughness were used in the study: Ra = 0.028 μm; Ra = 0.174 μm; Ra = 0.445 μm. The plates were immers...
Article
Full-text available
W artykule przedstawiono metodę precyzyjnej obróbki stosowaną do uzyskiwania powierzchni o najwyższej jakości oraz o wysokim stopniu połysku. Proces mikrowygładzania realizuje się z wykorzystaniem diamentowych folii ściernych. Cechą charakterystyczną metody jest jednokrotny kontakt ziaren ściernych z powierzchnią obrabianą. Przedstawiono wyniki bad...
Article
Full-text available
W artykule przedstawiono metodę precyzyjnej obróbki stosowaną do uzyskiwania powierzchni o najwyższej jakości oraz o wysokim stopniu połysku. Proces mikrowygładzania realizuje się z wykorzystaniem diamentowych folii ściernych. Cechą charakterystyczną metody jest jednokrotny kontakt ziaren ściernych z powierzchnią obrabianą. Przedstawiono wyniki bad...
Research
Full-text available
The three viedos with a segmentation a chips of titanium grade 5 after the grinding process. Workpiece material: Titanium Grade 5. Parametrer of machining process: ae = 20µm; vft = 5m/min; vs = 2000rpm; number of grain = 120. The images were acquired on a Phenom Desktop SEM ProX.
Research
Full-text available
The three viedos with a segmentation a chips of magnesium after the grinding process. Workpiece material: Magnesium. Parametrer of machining process: ae = 20µm; vft = 5m/min; vs = 2000rpm; number of grain = 46. The images were acquired on a Phenom Desktop SEM ProX.
Article
Full-text available
Background: The present study aimed at 3D analysis of adhesive remnants and enamel loss following the debonding of orthodontic molar tubes and orthodontic clean-up to assess the effectiveness and safety of One-Step Finisher and Polisher and Adhesive Residue Remover in comparison to tungsten carbide bur. Materials and methods: Thirty human molars...
Article
Full-text available
Studies on micro-chips formed in the process of micromachining, including grinding and microfinishing using abrasive films, were conducted. Geometric characteristics of the micro-chips were analyzed and the presence of very long chips compared to their width was observed. One also reported the presence of very high temperatures in the treatment zon...
Article
Full-text available
The publication describes the methodology and results of the studies on stereometric characteristics of the diamond surface of microfinishing films. This methodology is used in different treatments of precise finishing of very high smoothness and accuracy. One presented the results of analysis of vertices’ size in parallel plane to the film surface...
Article
Full-text available
This paper presents the results of numerical studies conducted using Ansys system, the impact of model’s parameters on the workpiece displacement formation. In the simulation, one used the model of real grain. The authors analyzed the influence of material’s properties on the formation of lateral flow in the machining zone. Observation was also mad...
Research
Full-text available
A micro fracture of the abrasive grain after the microgrinding process. Grains material Alumina 99A. Grains no 120. Workpiece material: X153CrMoV12. Video on: https://youtu.be/_r06CJxuW90 More video on: https://www.youtube.com/user/PrecisionMechanics/videos The images were acquired on a Phenom Desktop SEM ProX.
Research
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A micro spheres in grinding swarf after the microgrinding process. Workpiece material: X153CrMoV12. The images were acquired on a Phenom Desktop SEM ProX. Video on: https://youtu.be/9_VShZUuju4 More video on: https://www.youtube.com/user/PrecisionMechanics/videos
Research
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A micro-chips segmentation after the microgrinding process. Workpiece material: X153CrMoV12. The images were acquired on a Phenom Desktop SEM ProX. Video on: https://www.youtube.com/watch?v=mt4SF3fbwxA More video on: https://www.youtube.com/user/PrecisionMechanics/videos
Research
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The video with a micro-chips left on worn out the surface of grinding wheel. The images were acquired on a Phenom Desktop SEM ProX. The video on YouTube: https://www.youtube.com/watch?v=8Y9udKT4XMA More a videos on YouTube: https://www.youtube.com/user/PrecisionMechanics/videos
Research
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The video with a micro-chips after the microgrinding. Acqusition a images and make a video: Filip Szafraniec. Workpiece material: X153CrMoV12. The images were acquired on a Phenom Desktop SEM ProX. Video on: https://youtu.be/LIdk1Y2pvow More video on: https://www.youtube.com/user/PrecisionMechanics/videos
Research
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Ocena potencjału obróbkowego folii ściernych z wykorzystaniem sumarycznego aktywnego profilu wyznaczonego z uwzględnieniem kształtu strefy obróbki - Evaluation of the potential machining abrasive foil using active profile summary determined taking into account the shape of the processing zone (pptm)
Research
Full-text available
Analiza zjawiska nieciągłości tworzenia mikrowiórów w procesie wygładzania foliami ściernymi / Analysis of the phenomenon discontinuities create the micro-chips in the prcess of microfinishing films (pptm)
Article
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Analiza dokładności oceny stanu, zużycia i zalepień po-wierzchni czynnej narzędzi ściernych z zastosowaniem replik w systemie RepliSet oraz skanowania przestrzennego w warunkach przemysłowych Analysis of the accuracy of the assessment of the consumption of the active surface of abrasive tools using RepliSet replicas in the system and spatial scanni...
Article
Full-text available
W publikacji opisano metodykę oraz wyniki badań dotyczących cech stereometrycznych powierzchni diamentowych folii ściernych. Narzędzia te stosowane są w różnych zabiegach precyzyjnego wygładzania powierzchni o bardzo wysokiej gładkości i dokładności. Przedstawiono wyniki analizy rozmiarów wierzchołków w płaszczyźnie równoległej do powierzchni folii...
Article
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W artykule przedstawiono badania mikrowiórów tworzonych w procesie mikrowygładzania foliami ściernymi. Przeanalizowano cechy geometryczne mikrowiórów i stwierdzono występowanie bardzo długich wiórów w porównaniu do ich szerokości. Zaobserwowano również, występowanie wiórów kulistych, co należy uznać za skutek występowania lokalnie bardzo wysokich t...
Article
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WPROWADZENIE Stworzenie i ujednolicenie przepisów dotyczących bezpieczeństwa w ruchu drogowym oraz w tworzeniu i weryfikacji konstrukcji wytwarzanych pojazdów było głównym bodźcem zmian w nowoczesnej motoryzacji. Jeszcze szybszy rozwój tej gałęzi przemysłu mógł być dokonany poprzez powstawanie nowych materiałów konstrukcyjnych, szeroką paletę narzę...
Research
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prezentacja - prognozowanie właściwości folii ściernych
Research
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prezentacja - metodyka modelowania powierzchni czynnej narzędzi ściernych
Research
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Prezentacja - efekty mikrowygładzania foliami ściernymi
Presentation
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W publikacji opisano metody akwizycji danych informujących o stanie powierzchni czynnej ściernicy bez konieczności demontażu narzędzia z obrabiarki. Pierwszą z opisanych metod jest tworzenie replik powierzchni w systemie RepliSet, druga metoda polega na skanowaniu przestrzennym powierzchni ściernicy z wykorzystaniem skanera Atos III. Do oceny porów...
Article
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After orthodontic treatment, brackets are debonded and residual adhesive is removed, causing iatrogenic enamel damage. The aim of this study was to review the methods of orthodontic adhesive removal, find clear evidence, and provide a rationale for this procedure. A literature search was performed in PubMed, Dentistry and Oral Sciences, Scopus, Coc...
Article
Full-text available
The article presents the scientific problems and development trends of abrasive micromachining. The research problems were characterized and the results of the analysis of research directions based on programs of implemented projects in the world's scientific centers were presented. The most important features of the abrasive micromachining were de...
Article
Full-text available
W artykule przedstawiono metody modelowania po-wierzchni czynnej narzędzi ściernych. Przedstawiono wnioski dotyczące korelacji położenia sąsiadujących wierzchołków ziaren ściernych w rzeczywistych narzędziach ściennych. Opracowano i przedstawiono algorytmy generowania rozmieszczania ziaren w procesie modelowania powierzchni narzędzi ściernych zapew...
Article
Full-text available
Aims Presenting a new method for direct, quantitative analysis of enamel surface. Measurement of adhesive remnants and enamel loss resulting from debonding molar tubes. Material and methods Buccal surfaces of fifteen extracted human molars were directly scanned with an optic blue-light 3D scanner to the nearest 2 μm. After 20 s etching molar tubes...
Conference Paper
The chips formation becomes recently important in abrasive high precision finishing process and particularly in case of diamond foils due to tooling cost lower when the free spaces between the grains during the process are fully utilized. The morphology of micro-chips in term of shape and seize are essential for the degree of filling of that spaces...
Conference Paper
The paper describes the methodology and results of research on the tribological characteristics of surface diamond abrasive films using stereometric analysis. The abrasive films are used in various finishing process of the surfaces with a very high smoothness and accuracy. The morphological analysis of surface summits in parallel plane to the film...
Article
Full-text available
The article presents the results of experimental investigations and simulation. Machining zone was studied for conventional and modified contact rolls. Was determined the stresses in elastomer layer, the contact rolls. Invoked on prototypes test rolls. The surface was finished with abrasive film with a nominal size of 15 microns and new rolls. Stee...
Article
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abrasive surface of the film using information about the characteristics of the autocorrelation functions and spectral power density. Developed ratio depends on the correlation length (normalized function) beyond which the function value decreases to 0.2, developed index depends on the average value power spectral density function, and the density...
Article
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The article describes the phenomena characterizing microcutting processes. The article describes the importance of the material flow side, and the discontinuity of material separation process. Studies were conducted using grinding wheels: traditional wheel, wheel with modified spatial structure and wheel with special grain characterized by its spat...
Article
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The paper presents results of research finishing process the cylindrical surfaces with using microfinishing films with discontinuous active surface. The microfinishing process with an applied oscillating tool was compared with finishing the surface without moving oscillating tool. Results of superfinishing with discontinuous microfinishing films wa...
Article
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Analiza wygładzania powierzchni za pomocą jednowarstwowych dysków ściernych Trizact™ Analysis of surface smoothing by means of single layer abrasive discs Trizact ™ JAN BARAN JAROSŁAW PLICHTA PAWEŁ SUTOWSKI KATARZYNA TANDECKA* W artykule omówione zostały możliwości zastosowania jednowarstwowych dysków ściernych Trizact™ z mocowa-niem Roloc Scotch B...
Article
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Analiza wygładzania powierzchni za pomocą jednowarstwowych dysków ściernych Trizact™ Analysis of surface smoothing by means of single layer abrasive discs Trizact ™ JAN BARAN JAROSŁAW PLICHTA PAWEŁ SUTOWSKI KATARZYNA TANDECKA* W artykule omówione zostały możliwości zastosowania jednowarstwowych dysków ściernych Trizact™ z mocowa-niem Roloc Scotch B...
Presentation
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XXXVII Naukowa Szkoła Obróbki Ściernej
Presentation
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XXXVII Naukowa Szkoła Obróbki Ściernej
Article
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In the paper results of modeling movements of material in the cutting zone were presented. Physical modeling studies were conducted. The inference were conducted for shape of the cutting zone, the processes of creating burrs and separation of work material. The researches were conducted for volatility the depth of cut of the abrasive grains. Calcul...
Article
Full-text available
Grinding is one of the basic precise machining methods. Abrasive and shape wear, as well as smearing of the tool active surface handicap the processing results. The loss of cutting capacity in abrasive tools or alteration of their shape influences the surface quality and precision of the workpiece dimensions and its shape. Evaluation of the abrasiv...
Presentation
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Konferencja Naukowa Szkoła Obróbki Ściernej 2013
Article
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Abrasive films are produced by an American company 3M. 3M™ Diamond Lapping Films are comprised of tightly graded diamond mineral uniformly coated on a polyester film backing. Enables long abrasive life with a superior finish throughout the life of the product. Main applications of diamond abrasive tools is fiber optic connector processing, flat lap...
Article
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Superfinishing with the use of diamond lapping films differs to a significant extent from other machining methods. This is finishing surface machining, one which is realized by a slow rewinding of a microfinishing film, putting it in an oscillating motion and pressing the tool to the surface being machined. The surface being machined moves with a s...
Article
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Proces wygładzania powierzchni foliami ściernymi umożliwia uzyskanie bardzo gładkich powierzchni. Proces wygładzania składa się z kilku zabiegów, w których stosuje się narzędzia o coraz drobniejszym ścierniwie. Obróbka realizowana jest poprzez przewijanie folii ściernej z rolki podającej na rolkę zwijającą. Między tymi rolkami, znajduje się rolka d...
Article
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This is characteristic feature of films to superfinish, that the fragments of the tool which already contacted with the object worked are not again used. This causes that the spatial ar-rangement of grains decides on the surface of abrasive film about the technological potential of the tool. The features were estimated statistical spacings tool poi...
Article
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One of important tasks, relating to prognose the sight of stereometric surfaces, after microfinishing abrasive films, is delimitation of parameters characterizing the active surface. Methodology and results of investigations of relating features of stereometric surfaces on the example of diamond abrasive foils with grains about the nominal size of...

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