Relevant bibliographies by topics / Tool forming

Academic literature on the topic 'Tool forming'

Author: Grafiati
Published: 30 May 2022
Last updated: 31 May 2022

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Journal articles on the topic "Tool forming"

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Cser, L., M. Geiger, K. Lange, J. A. G. Kals, and M. Hänsel. "Tool Life and Tool Quality in Bulk Metal Forming." Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture 207, no. 4 (November 1993): 223–39. http://dx.doi.org/10.1243/pime_proc_1993_207_085_02.

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Due to their intermediate position between the machine and workpiece, tools represent the interface of the manufacturing system to the process. Near net shape production, new materials and techniques are the new challenges in metal forming and especially in tooling. A significant economical effect can be achieved through an increase in the life of tool elements, as well as through proper tool management strategies. The greatest problem connected with the preliminary estimation of tool life is the large scatter of service life for a series of identically designed tools. The uncertainty in estimating the expected service life of tools and thus the tooling costs per piece is caused by the enormous variety and confluence of damaging factors, the factory-specific character of tool life and the stochastic phenomenon of tool failures. From the confluence of aspects influencing tool life it is clear that there is no general recipe for increasing tool life and tool quality. Each of the influencing aspects contains some possibilities for increasing the service time of tools. This paper shows some examples of tool design and tool manufacturing and points out that a knowledge-based approach imitating the activity and knowledge acquisition of human experts can be the bridge between computer aided (CA) techniques and human experience in predicting expected tool life.
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Meier, Horst, V. Smukala, O. Dewald, and Jian Zhang. "Two Point Incremental Forming with Two Moving Forming Tools." Key Engineering Materials 344 (July 2007): 599–605. http://dx.doi.org/10.4028/www.scientific.net/kem.344.599.

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This paper describes a new development of an incremental, robot based sheet metal forming process for the production of sheet metal components for limited-lot productions and prototypes. The kinematic based generation of the shape is implemented by means of two industrial robots, which are interconnected to a cooperating robot system. Compared to other incremental sheet metal forming machines this system offers a high geometrical form flexibility without the need of any workpiece dependent tools. The principle of the procedure is based on flexible shaping by means of a freely programmable path-synchronous movement of two robots. So far, the final shape is produced by the incremental infeed of the forming tool in depth direction and its movement along the contour in lateral direction on each level. The counter tool, with its simple geometry, was used to support the sheet metal on the backside by moving synchronously along the outer contour, constantly on the same level. This corresponds to a fixed backplate used in other incremental sheet metal forming processes. Due to the use of a new robot system with extended control algorithms for cooperating robots, it will be possible to release the counter tool from its constant path on the outer contour and support the forming tool right on the opposite side of the sheet to generate a predefined gap between the two hemispherical tools. This way at each moment a small part of a full die, as it is used in other processes, is simulated without the need of producing a workpiece dependent die. The extended payload of the new robot system gives the opportunity to form steel blanks, for the first time.
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Mizelle, John Christopher, Teresa Tang, Nikta Pirouz, and Lewis A. Wheaton. "Forming Tool Use Representations: A Neurophysiological Investigation into Tool Exposure." Journal of Cognitive Neuroscience 23, no. 10 (October 2011): 2920–34. http://dx.doi.org/10.1162/jocn_a_00004.

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Prior work has identified a common left parietofrontal network for storage of tool-related information for various tasks. How these representations become established within this network on the basis of different modes of exposure is unclear. Here, healthy subjects engaged in physical practice (direct exposure) with familiar and unfamiliar tools. A separate group of subjects engaged in video-based observation (indirect exposure) of the same tools to understand how these learning strategies create representations. To assess neural mechanisms engaged for pantomime after different modes of exposure, a pantomime task was performed for both tools while recording neural activation with high-density EEG. Motor planning–related neural activation was evaluated using beta band (13–22 Hz) event-related desynchronization. Hemispheric dominance was assessed, and activation maps were generated to understand topography of activations. Comparison of conditions (effects of tool familiarity and tool exposure) was performed with standardized low-resolution brain electromagnetic tomography. Novel tool pantomime following direct exposure resulted in greater activations of bilateral parietofrontal regions. Activations following indirect training varied by tool familiarity; pantomime of the familiar tool showed greater activations in left parietofrontal areas, whereas the novel tool showed greater activations at right temporoparieto-occipital areas. These findings have relevance to the mechanisms for understanding motor-related behaviors involved in new tools that we have little or no experience with and can extend into advancing theories of tool use motor learning.
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Sieczkarek, Peter, Lukas Kwiatkowski, A. Erman Tekkaya, Eugen Krebs, Petra Kersting, W. Tillmann, and Jan Herper. "Innovative Tools to Improve Incremental Bulk Forming Processes." Key Engineering Materials 554-557 (June 2013): 1490–97. http://dx.doi.org/10.4028/www.scientific.net/kem.554-557.1490.

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Sheet-bulk metal forming is an innovative process with a high potential to generate load-adapted parts with high precision. Bulk forming processes of sheet metals especially require high process forces, resulting in an intense contact pressure and, thus, in a very high abrasive and adhesive wear. As a method to reduce or avoid these common wear phenomena, even hardened or coated tool surfaces are not sufficient. The objective of this paper is to show an improvement of the tool resistance during an incremental forming process by an adapted tool design and the application of structured tool surfaces combined with coatings. For the tool surface the structure of the scarabaeus beetle serves as the basis for a bionic structure. This structure was manufactured by micromilling. Despite the high hardness of the tool material and the complex geometry of the forming tools, very precise patterns were machined successfully using ball-end milling cutters. The combination of bionic structures with coating techniques like physical vapor deposition (PVD) on plasma nitrided tool surfaces is very promising. In this work, the influence of process parameters (workpiece material, lubrication, tool design, stepwise infeed) on the tool resistance during the forming operation was analyzed experimentally. The results of the optimized forming tools were compared to conventional, unstructured, uncoated, and only plasma nitrided forming tools. The different tools were applied to 2 mm thick metal sheets made of aluminum (AlMg3) and steel (non-alloy quality steel DC04). As a result, the process forces could be reduced by a modified shape and surface of the tools. Thus, the lifetime of the tools can be enhanced.
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Lange, K., L. Cser, M. Geiger, and J. A. G. Kals. "Tool Life and Tool Quality in Bulk Metal Forming." CIRP Annals 41, no. 2 (1992): 667–75. http://dx.doi.org/10.1016/s0007-8506(07)63253-3.

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Lämsä, Janne, Antti Järvenpää, and Kari Mäntyjärvi. "Designing and Manufacturing of a Flexible Longitudinally Laminated Sandwich Panel Forming Tool." Key Engineering Materials 611-612 (May 2014): 786–93. http://dx.doi.org/10.4028/www.scientific.net/kem.611-612.786.

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The main aim of the study was to develop forming tools for wide (over 1.2 meter) sandwich panels. Longitudinal laminating technology was selected for tool manufacturing due to its flexibility and cost efficiency. Laminating technology enables easy modification of the tool dimensions afterwards. The function to optimize or vary the dimensions of the tool was set as a secondary objective for the study. Forming tools for sandwich panels are usually complicated structures and joining of the plates can be difficult in some cases. Typically sandwich forming tools are capable to produce only narrow panels (less than 1 meter) and optimization must be done during designing of the tool. In this study, a rapid designing and manufacturing of a flexible sandwich panel forming tool was investigated. Sandwich panels are usually applied in light structures or voice covers due to their very low weight, high stiffness, durability and production cost savings. Designing of the forming tool was made by using a 3D CAD program. Conventional steel plates were used for the forming tool and the assembly was done by fixing the plate parts longitudinally together (laminating). Most important criterion for the forming tool was its capability to produce high quality geometry for the core. Laser welding assembly showed that the quality of the core was good enough for welding the lap joints properly. Both of the objectives were fulfilled: 1) forming tools were suitable for forming of wide cores (1.2 meter) and 2) the structure of the laminated tool enables to change or add new plate parts to change the dimensions of the final product.
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Herrmann, Marius, Florian Böhmermann, Henning Hasselbruch, Bernd Kuhfuss, Oltmann Riemer, Andreas Mehner, and Hans-Werner Zoch. "Forming without Lubricant – Functionalized Tool Surfaces for Dry Forming Applications." Procedia Manufacturing 8 (2017): 533–40. http://dx.doi.org/10.1016/j.promfg.2017.02.068.

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Allaoui, S., J. Launay, D. Soulat, and S. Chatel. "Experimental tool of woven reinforcement forming." International Journal of Material Forming 1, S1 (April 2008): 815–18. http://dx.doi.org/10.1007/s12289-008-0260-4.

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Lamprecht, M., and M. Leonhartsberger. "Tool Stiffness Calculation in Roll Forming." International Journal of Simulation Modelling 20, no. 1 (March 10, 2021): 40–51. http://dx.doi.org/10.2507/ijsimm20-1-539.

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Qin, Yi. "Forming-tool design innovation and intelligent tool-structure/system concepts." International Journal of Machine Tools and Manufacture 46, no. 11 (September 2006): 1253–60. http://dx.doi.org/10.1016/j.ijmachtools.2006.01.013.

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Dissertations / Theses on the topic "Tool forming"

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Von, Waldburg Arthur Russell. "Diaphragm control in inflated tool forming of composites." Thesis, Massachusetts Institute of Technology, 1997. http://hdl.handle.net/1721.1/31074.

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SUNIL, SOORAJ. "Numerical Tool to Simulate Forming of Lamera HybrixTM." Thesis, Tekniska Högskolan, Högskolan i Jönköping, JTH, Material och tillverkning, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-47138.

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Composite materials are playing an essential role in construction industries, automobile industries, and mechanical industries which have better physical properties than original materials. Hybrix material is a kind of Composite sandwich material which have better properties like lightweight, durable, eco-friendly than original material. In an attempt to prove the quality in finite element analysis Hybrix material, creating a numerical tool to simulate the metal forming conditions. Spring back effect and residual stress are also taken into account in the method.
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Hardell, Jens. "Tribology of hot forming tool and high strength steels." Doctoral thesis, Luleå : Department of Applied Physics and Mechanical Engineering, Division of Machine Elements, Luleå University of Technology, 2009. http://pure.ltu.se/ws/fbspretrieve/3353754.

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Shankar, Ravi. "Surface reconstruction and tool path strategies for incremental sheet metal forming /." Aachen : Shaker, 2008. http://d-nb.info/989220230/04.

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Jackson, Kathryn Pamela. "The mechanics of incremental sheet forming." Thesis, University of Cambridge, 2008. https://www.repository.cam.ac.uk/handle/1810/267843.

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Incremental sheet forming (ISF) is a flexible process where an indenter moves over the surface of a sheet of metal to form a 3D shell incrementally by a progression of localised deformation. Despite extensive research into the process, the deformation mechanics is not fully understood. This thesis presents new insights into the mechanics of ISF applied to two groups of materials: sheet metals and sandwich panels. A new system for measuring tool forces in ISF is commissioned. The system uses six loadcells to measure reaction forces on the workpiece frame. Each force signal has an uncertainty of ±15 N. This is likely to be small in comparison to tool forces measured in ISF. The mechanics of ISF of sheet metals is researched. Through-thickness deformation and strains of copper plates are measured for single-point incremental forming (SPIF) and two-point incremental forming (TPIF). It is shown that the deformation mechanisms of SPIF and TPIF are shear parallel to the tool direction, with both shear and stretching perpendicular to the tool direction. Tool forces are measured and compared throughout the two processes. Tool forces follow similar trends to strains, suggesting that shear parallel to the tool direction is a result of friction between the tool and workpiece. The mechanics of ISF of sandwich panels is investigated. The mechanical viability of applying ISF to various sandwich panel designs is evaluated by observing failure modes and damage under two simple tool paths. ISF is applicable to metal/polymer/metal sandwich panels. This is because the cores and faceplates are ductile and largely incompressible, and therefore survive local indentation during ISF without collapse. Through-thickness deformation, tool forces and applicability of the sine law for prediction of wall thickness are measured and compared for a metal/polymer/metal sandwich panel and a monolithic sheet metal. The mechanical results for ISF of sheet metals transfer closely to sandwich panels. Hence, established knowledge and process implementation procedures derived for ISF of monolithic sheet metals may be used in the future for ISF of sandwich panels.
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Imbert, Boyd Jose. "Increased Formability and the Effects of the Tool/Sheet Interaction in Electromagnetic Forming of Aluminum Alloy Sheet." Thesis, University of Waterloo, 2005. http://hdl.handle.net/10012/857.

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This thesis presents the results of experimental and numerical work carried out to determine if electromagnetic forming (EMF) increases the formability of aluminum alloy sheet and, if so, to determine the mechanisms that play a role in the increased formability. To this end, free form (open cavity) and conical in-die samples were produced to isolate high strain rate constitutive and inertial effects from the effects of the interaction between the die and the sheet. Aluminum alloys AA5754 and AA6111 in the form of 1mm sheet were chosen since they are currently used in automotive production and are candidates for lightweight body panels. The experiments showed significant increases in formability in the conical die samples in areas where significant contact with the tool occurred, with no significant increase recorded for the free-formed samples. This indicates that the tool/sheet interaction is playing the dominant role in the increase in formability observed. Metallographic and fractographic analysis performed on the samples showed evidence of microvoid damage suppression, which may be a contributing factor to the increase in formability. Numerical modeling was undertaken to analyse the details of the forming operation and to determine the mechanisms behind the increased formability. The numerical calculations were performed with an explicit dynamic finite element structural code, using an analytical electromagnetic pressure distribution. Microvoid damage evolution was predicted using a microvoid damage subroutine based on the Gurson-Tvergaard-Needleman constitutive model. From the models it has been determined that the free forming process is essentially a plane-stress process. In contrast, the tool/sheet interaction produced in cone forming makes the process unique. When the sheet makes contact with the tool, it is subject to forces generated due to the impact, and very rapid bending and straightening. These combine to produce complex non-linear stress and strain histories, which render the process non-plane stress and thus make it significantly different from conventional sheet forming processes. Another characteristic of the process is that the majority of the plastic deformation occurs at impact, leading to strain rates on the order of 10,000 s-1. It is concluded that the rapid impact, bending and straightening that results from the tool/sheet interaction is the main cause of the increased formability observed in EM forming.
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Chen, Xuesheng. "Precision cold forming modelling, interfacial thermal parameter investigation and tool design optimisation." Thesis, University of Strathclyde, 2002. http://oleg.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=23751.

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Precision cold forming process modelling, thermal contact conductance and optimum shrink-fitted die with profiled interference were studied. The aims of this work have been achieved using analytical, numerical and experimental approaches to the relevant subjects. Several features of the work are presented: (i) an application of systematic modelling IDEFO language, (ii) an equivalent asperity of surface that enables FE simulation of surface deformation and (iii) a shrink-fitted die with profiled interference, which enables compensation for component-error and necessary die surface pre-stresses. Cold forming process was modelled systematically by IDEFO language in general. The most often used iterations, including design and error-compensation procedures, were constructed; basic activities, inputs, resources and constraints were defined and decomposed. These provide a general procedure for precision cold forming design and a base for the following research of this work. A thermal contact conductance (h -value) experimental investigation was conducted based on steady-temperature measurements and devices. h -value as a function of surface texture and interfacial pressure was experimentally investigated; typically, the value changes from 10 kWm⁻²K⁻¹ to 150 kWm⁻²K⁻¹ for changes in surface texture from Ra = 0.3 0.5 , um to Ra =3-5, um , depending on interfacial pressure (<180 MPa). Based on surface measurements and mathematical work, an equivalent asperity for isotropic surface was presented to represent surface geometry. Uniqueness of the equivalent asperity enables simulation of surface deformation by FE technology. Surface textures under interfacial pressure up to 300 MPa were successfully predicted by FE simulations, results being in agreement with surface measurements. h -value is defined as a function of either contact area ratio or local interfacial pressure; a FE model and an approach of integration of local h -value were dev eloped; value of h was successfully predicted by the established FE model and integration. A profiled interference for shrink-fitting die was designed for component-errors compensation and die surface pre-stress. This was achieved by considering the relationship between die pre-deflection and the profiled interference by FE simulations and a minimisation procedure. Both, the equation and minimisation procedure to determine the profiled interference were established analytically. Uniform die surface direct compensation is combined with shrink-fitted die. Component-errors can be controlled to within a few microns.
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W, Lindvall Fredrik. "On tool steel, surface preparation, contact geometry and wear in sheet metal forming." Licentiate thesis, Karlstads universitet, Avdelningen för maskin- och materialteknik, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-8883.

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In sheet metal forming operations the life length of the production equipment islargely dependent on the wear of the tools that are in direct contact with the sheet.One form of adhesive wear where some sheet material gets transferred to the tool, alsoknown as galling, is the most common cause of tool failure. The transferred materialsticks firmly to the tool and will scratch subsequent sheets and increase friction, renderingthem anywhere from aesthetically unsightly to completely ripped apart. Withcareful combination of several parameters the tools production life can be significantlyextended. The surface preparation of the tools has a large influence on the tool life, thesurface has to be smooth and yet not without texture. It was shown in strip reductiontesting that the orientation as well as the depth of the surface texture left by polishinginfluenced the tool life and that a texture perpendicular to the sliding direction was toprefer. The geometry of the forming tool is also a parameter to take into account as itinfluences the tool life not only by changing the contact pressure but also in itself. Ina sliding against flat sheet test rig a lower contact pressure increased the sliding distanceto galling. When two different geometries were compared at the same contactpressure it was found that there was a difference in tool life. As to the tool itself thematerial it’s made of influences the wear rate and tool life. Different tool steels wasinvestigated in sliding wear against metal sheets; Vancron 40 performed better thanVanadis 6 and S290PM performed better than a AISI M2 grade steel.
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Shankar, Ravi [Verfasser]. "Surface Reconstruction and Tool Path Strategies for Incremental Sheet Metal Forming / Ravi Shankar." Aachen : Shaker, 2008. http://d-nb.info/1162792094/34.

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Heikkilä, Irma. "The Positive Effect of Nitrogen Alloying of Tool Steels Used in Sheet Metal Forming." Doctoral thesis, Uppsala universitet, Tillämpad materialvetenskap, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-198747.

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Sheet metal forming processes are mechanical processes, designed to make products from metal sheet without material removal. These processes are applied extensively by the manufacturing industry to produce commodities such as heat exchangers or panels for automotive applications. They are suitable for production in large volumes. A typical problem in forming operations is accumulation of local sheet material adherents onto the tool surface, which may deteriorate the subsequent products. This tool failure mechanism is named galling. The aim of this work is to explain the mechanisms behind galling and establish factors how it can be reduced. The focus of this work is on the influence of tool material for minimum risk of galling. Experimental tool steels alloyed with nitrogen were designed and manufactured for systematic tribological evaluation. Reference tool materials were conventional cold forming tool steels and coated tool steels. The sheet material was austenitic stainless steel AISI 304, which is sensitive for galling. A variety of lubricants ranging from low to high viscous lubricants were used in the evaluation. The properties of the tool materials were characterized analytically and their tribological evaluation included industrial field tests and several laboratory-scale tests. The testing verified that nitrogen alloying has a very positive effect for improving galling resistance of tool steels. Tool lives comparable to the coated tool steels were achieved even with low viscous lubricants without poisonous additives. The hypothesis used for the explanation of the positive effect of nitrogen alloying is based on the critical local contact temperature at which the lubrication deteriorates. Therefore, the contact mechanism at the tool-sheet interface and the local energy formation were studied systematically. Theoretical considerations complemented with FEA analysis showed that a small size of hard particles with a high volume fraction gives low local contact loads, which leads to low frictional heating. Also, an even spacing between the hard particles and their frictional properties are of importance. Nitrogen alloyed tool steels have these properties in the form of small carbonitrides. The finding of this work can be applied to a wide range of applications that involve sliding metal contacts under severe tribological loading.
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Books on the topic "Tool forming"

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Lau, Hok-Chan. An expert system for trimming and forming tool set layout for integrated circuits (IC). [s.l: The Author], 1992.

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Adaskin, Anatoliy. Improving the efficiency of tools made of high-speed steels and hard alloys. ru: INFRA-M Academic Publishing LLC., 2021. http://dx.doi.org/10.12737/1248244.

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The monograph is devoted to improving the efficiency of forming tools made from the most used tool materials: high-speed steels and hard alloys. For tools made of high-speed steels, a comparative assessment of the standards of industrially developed countries and the Russian Federation was carried out. The characteristic of operational and technological properties is given. High-speed steels and technologies are recommended to increase the efficiency of the tool. Recommendations on the types of tools are given. The properties of hard alloys and the areas of their rational application are analyzed. The structural materials of prefabricated and soldered tools are considered. Recommendations on the choice of hard alloys are given, directions for the creation of new compositions of hard alloys to increase the efficiency of the tool in the processing of hard-to-process heat-resistant steels and alloys are shown. It is intended for engineering, technical and scientific workers of the metallurgical and manufacturing industries. It can be used in the preparation of masters, postgraduates of technological universities.
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Rituals & icebreakers: Practical tools for forming community. Liguori, MO: Liguori, 1999.

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Vollertsen, Frank. Micro Metal Forming. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013.

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Chesto, Kathleen O. Rituals and icebreakers: Practical tools for forming community. Kansas City, MO: Sheed & Ward, 1995.

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Klocke, Fritz. Manufacturing Processes 4: Forming. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013.

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Nielsen, C. V. Modeling of Thermo-Electro-Mechanical Manufacturing Processes: Applications in Metal Forming and Resistance Welding. London: Springer London, 2013.

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International Symposium on Electrochemical Machining Technology (9th 2013 Fraunhofer Institut Werkzeugmaschinen und Umformtechnik). International Symposium on ElectroChemical Machining Technology INSECT 2013: Proceedings, November 12-13, 2013, Fraunhofer Institute for Machine Tools and Forming Technology IWU Chemnitz. Edited by Schubert Andreas 1960- and Hackert-Oschätzchen Matthias 1979-. Chemnitz, Germany: Technische Universität Chemnitz, Professorship Micromanufacturing Technnology, 2013.

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Terehin, Valeriy, and Viktor Chernyshov. Efficiency and effectiveness of the penitentiary system: assessment and planning. ru: INFRA-M Academic Publishing LLC., 2021. http://dx.doi.org/10.12737/1079434.

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The issues of setting goals, planning and forming a system of indicators of the effectiveness and efficiency of the penal system are considered. The criteria for determining the goals-tasks that are adequate to the public goals of the system are justified. Quantitative indicators corresponding to the criteria were developed, based on the contribution of the criminal justice System to reducing the socio-economic losses of society from recidivism. The contribution of the system is determined by changes in the criminal potential of convicted persons during the period of serving a sentence under a court sentence. Criminal potentials are estimated by predictive values of the aggregate of three groups of characteristics of the criminal potential of convicts, determined by the stages of the cycle of recidivism. The practical results of the use of sound methods and developed tools are based on the use of a significant amount of empirical data on the institutions of the criminal justice system and its systematic expert and statistical analysis. The monograph is a generalization and development of the works carried out by the authors during 2012-2017 in the process of preparing masters of Management for the penal system. It is intended for managers and specialists of the bodies and institutions of the Criminal Justice System, researchers, teachers of higher educational institutions who train specialists for law enforcement agencies.
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Blazynski, Tadeusz Z. Metal Forming: Tool Profiles and Flow. Palgrave, 2014.

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Book chapters on the topic "Tool forming"

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Hosseini, Ali, and Hossam A. Kishawy. "Cutting Tool Materials and Tool Wear." In Materials Forming, Machining and Tribology, 31–56. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-662-43902-9_2.

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Kumar, Kaushik, Divya Zindani, and J. Paulo Davim. "Machine Tool Controls." In Materials Forming, Machining and Tribology, 9–18. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-76075-9_2.

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Nielsen, Chris Valentin, Xiaodan Zhang, Marcel Moghadam, Niels Hansen, and Niels Bay. "Deformation Mechanisms in Tool–Workpiece Asperity Contact in Metal Forming." In Forming the Future, 127–37. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-75381-8_10.

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Nadda, Rahul, Chandrakant Kumar Nirala, and Probir Saha. "Tool Wear Compensation in Micro-EDM." In Materials Forming, Machining and Tribology, 185–208. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-3074-2_9.

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Ngaile, Gracious, and Daniel Santiago. "Enhancing Tool Life by Manipulating the Die Elastic Strain Field During Extrusion." In Forming the Future, 37–50. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-75381-8_4.

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Peng, Shixin, Jie Zhou, Mengmeng Zhang, Kemin Zhang, and Jie Liu. "Research on New Hot Stamping Tool with Low-Cost and High-Efficiency Cooling." In Forming the Future, 2759–66. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-75381-8_229.

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Volpato, Neri, and Tiago Rodrigues Weller. "Tool-Path Optimization in Material Extrusion Additive Manufacturing." In Materials Forming, Machining and Tribology, 465–82. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-68024-4_24.

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Sahoo, Prasanta, and Suman Kalyan Das. "Tribology—A Tool for Mechanical and Industrial Engineering." In Materials Forming, Machining and Tribology, 1–37. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-90487-6_1.

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Son, Jongyoun, Gwangyong Shin, Kiyong Lee, Chang-hwan Choi, and Dosik Shim. "High-temperature Properties of Hot-Work Tool Steel (AISI H13) Deposited via Direct Energy Deposition." In Forming the Future, 1665–76. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-75381-8_140.

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Kochetkova, Marina, and Mary Frances Shannon. "DNA Triple Helix as a Tool to Regulate Cytokine Gene Expression." In Triple Helix Forming Oligonucleotides, 159–66. Boston, MA: Springer US, 1999. http://dx.doi.org/10.1007/978-1-4615-5177-5_12.

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Conference papers on the topic "Tool forming"

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Franco, P., M. Estrems, and F. Faura. "Numerical modelling of tool wear in turning with cemented carbide cutting tools." In 10TH ESAFORM CONFERENCE ON MATERIAL FORMING. AIP, 2007. http://dx.doi.org/10.1063/1.2729597.

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Knauf, Frederik, Gerhard Hirt, Philipp Immich, and Kirsten Bobzin. "Influence Of Tool Geometry, Tool Coating And Process Parameters In Thixoextrusion Of Steel." In 10TH ESAFORM CONFERENCE ON MATERIAL FORMING. AIP, 2007. http://dx.doi.org/10.1063/1.2729673.

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Akkerman, R., M. P. Ubbink, M. B. de Rooij, and R. H. W. ten Thije. "Tool-Ply Friction In Composite Forming." In 10TH ESAFORM CONFERENCE ON MATERIAL FORMING. AIP, 2007. http://dx.doi.org/10.1063/1.2729658.

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Tolosana, N., S. Lomov, J. Stüve, and A. Miravete. "Development of a Simulation Tool for 3D Braiding Architectures." In 10TH ESAFORM CONFERENCE ON MATERIAL FORMING. AIP, 2007. http://dx.doi.org/10.1063/1.2729645.

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Eriksen, R. S., M. Arentoft, and N. A. Paldan. "Tool Design and Manufacturing for Bulk Forming of Micro Components." In 10TH ESAFORM CONFERENCE ON MATERIAL FORMING. AIP, 2007. http://dx.doi.org/10.1063/1.2729555.

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Robertson, Tom, Biren Prasad, and Ravi Duggirala. "Strategic Tool Design Using Metal Forming Simulation Techniques." In International Conference On Vehicle Structural Mechanics & Cae. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1995. http://dx.doi.org/10.4271/951128.

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Jeswiet, J., and A. Ali. "Incremental Single Point Forming." In ASME 2000 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2000. http://dx.doi.org/10.1115/imece2000-1847.

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Abstract The process of single point incremental micro-plastic forming is presented. This process is used to form sheet metal into complicated shapes without the use of either a male or female die. The process uses a single point tool which plastically deforms sheet metal to give a local micro-deformation. By doing this incrementally, and controlling the tool path with a CNC mill, the plastically deformed points are, in effect, added as the tool moves to give a final shape. The sheet metal is held in place by a blank-holder which moves in a vertical plane on four posts. Deformation of the strip can be achieved in one of two ways: either with a supporting, fixed tool about which the single point forming tool moves or by inversion of the process in which the supporting, fixed tool is not used. The paper describes experiments with both techniques.
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Ersoy, K., G. Nuernberg, G. Herrmann, and H. Hoffmann. "Advanced Prediction of Tool Wear by Taking the Load History into Consideration." In 10TH ESAFORM CONFERENCE ON MATERIAL FORMING. AIP, 2007. http://dx.doi.org/10.1063/1.2729594.

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Ren, Huaqing, Newell Moser, Zixuan Zhang, Kornel F. Ehmann, and Jian Cao. "Effects of Tool Deflection in Accumulated Double-Sided Incremental Forming Regarding Part Geometry." In ASME 2016 11th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/msec2016-8839.

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Incremental forming is a flexible dieless forming process. In incremental forming, the metal sheet is clamped around its periphery. One or multiple generic stylus-type tools move along a predefined toolpath, incrementally deforming the sheet metal into a final, freeform shape. Compared with the traditional sheet metal forming process, the incremental forming process is more flexible, energy efficient and cost effective due to lower capital investment related to tooling. However, maintaining tight geometric tolerances in incremental formed parts can be a challenge. Specifically, undesired global bending is usually induced near the region between the tools and fixture resulting in a compromise in geometric accuracy. To address this issue, Accumulated Double-Sided Incremental Forming (ADSIF) is proposed, which utilizes two tools on both sides of the metal to better achieve localized deformation while simultaneously constraining global bending outside the forming area. Moreover, in ADSIF, the two tools are moving from inward to outward, and thus the tools are always forming virgin material and so as to limit forces on the already-formed part. Thus, ADSIF has a higher potential to achieve the desired geometry. Nevertheless, tool deflection due to machine compliance is still an issue that can have a considerable effect on geometric accuracy. In this work, the effect of tool deflection related to part geometry is studied for the ADSIF process. The nature of using two tools, rather than one, in ADSIF inherently implies that relative tool position is a critical process parameter. It is the region near these two tools where local squeezing and bending of the sheet occurs, the primary modes of deformation found in ADSIF. The change of relative tool positions (i.e., tool gap and relative position angle) are studied in detail by first developing an analytical model. It is concluded that the tool gap will be enlarged under the influence of tool compliance while the relative position angle is less affected. Additionally, a finite element simulation capable of modeling tool deflection is established. The comparison between the simulation results using rigid tools and deformable ones clearly demonstrated the significant influence of tool compliance on part geometry. Lastly, an axisymmetric part with varying wall angles was formed, and it was confirmed that ADSIF demonstrates improved geometry accuracy compared with conventional Double-Sided Incremental Forming.
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Brocail, J., M. Watremez, L. Dubar, and B. Bourouga. "High Speed Machining: A New Approach To Friction Analysis At Tool-Chip Interface." In 10TH ESAFORM CONFERENCE ON MATERIAL FORMING. AIP, 2007. http://dx.doi.org/10.1063/1.2729592.

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Reports on the topic "Tool forming"

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Tome, Carlos. Polycrystal modeling: a mechanism-based tool for simulating plastic forming of complex metals. Office of Scientific and Technical Information (OSTI), June 2017. http://dx.doi.org/10.2172/1367815.

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Kholoshyn, Ihor V., Olga V. Bondarenko, Olena V. Hanchuk, and Iryna M. Varfolomyeyeva. Cloud technologies as a tool of creating Earth Remote Sensing educational resources. [б. в.], July 2020. http://dx.doi.org/10.31812/123456789/3885.

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This article is dedicated to the Earth Remote Sensing (ERS), which the authors believe is a great way to teach geography and allows forming an idea of the actual geographic features and phenomena. One of the major problems that now constrains the active introduction of remote sensing data in the educational process is the low availability of training aerospace pictures, which meet didactic requirements. The article analyzes the main sources of ERS as a basis for educational resources formation with aerospace images: paper, various individual sources (personal stations receiving satellite information, drones, balloons, kites and balls) and Internet sources (mainstream sites, sites of scientific-technical organizations and distributors, interactive Internet geoservices, cloud platforms of geospatial analysis). The authors point out that their geospatial analysis platforms (Google Earth Engine, Land Viewer, EOS Platform, etc.), due to their unique features, are the basis for the creation of information thematic databases of ERS. The article presents an example of such a database, covering more than 800 aerospace images and dynamic models, which are combined according to such didactic principles as high information load and clarity.
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Morkun, Volodymyr S., Сергій Олексійович Семеріков, Svitlana M. Hryshchenko, and Kateryna I. Slovak. Environmental Geo-information Technologies as a Tool of Pre-service Mining Engineer’s Training for Sustainable Development of Mining Industry. CEUR Workshop Proceedings, 2017. http://dx.doi.org/10.31812/0564/730.

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The article highlights peculiarities of geoinformation technologies’ application in course of pre-service engineers’ training for sustainable development, their functionalities, geoinformation system’s role and position in environmental protection acts. Concepts of geoinformation technologies, geoinformation system have been disclosed. The pedagogical experiment was done concerning introduction of the developed method of using geoinformation technologies as means of forming environmental competence profile mining engineers predicted an experemental studying on course «Environmental Geoinformatics». The results of the expert assessment of rational using geoinformation technologies there were given to create an ecological competence of future mining engineering profile.
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Modlo, Yevhenii O., and Serhiy O. Semerikov. Xcos on Web як перспективний засіб навчання моделювання технічних об’єктів бакалаврів електромеханіки. [б. в.], August 2018. http://dx.doi.org/10.31812/0564/2454.

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Research goals: to identify the perspective learning simulation tool for Bachelors of Electromechanics. Research objectives: to prove the feasibility of using the simulation system Xcos on Web as a tool of forming of future Bachelors of Electromechanics competence in modeling of technical objects. Research object: the use of imitative simulation systems to learning the Bachelors of Electromechanics. Research subject: the use Xcos on Web in learning modeling of technical objects the Bachelors of Electromechanics. Research methods used: the analysis of existing software usage experience. Research results. The imitative simulation system Xcos on Web is a promising cloud-based learning tool for Bachelor’s of Electromechanics modeling of technical objects. The main conclusions and recommendations: 1. The use of simulation systems, such as Scilab Xcos, is a necessary part of Bachelor of Electromechanics professional training. 2. Cloud-based learning environment built on the integrative usage of mobile Internet devices promotes the forming of Bachelor’s of Electromechanics professional competencies. 3. Implementation the full Scilab Xcos functionality at Xcos on Web creates conditions for transition in Bachelor’s of Electromechanics learning the simulation of technical objects to the use of mobile Internet devices.
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Xiao, Haixiang, Junjun Hou, Min Chen, Weiping Deng, Chuanchen Zhao, Jihong Zhou, and Xiaolu Liu. Eradicating Absolute Poverty in Hunan Province, People’s Republic of China. Asian Development Bank, December 2021. http://dx.doi.org/10.22617/wps210460-2.

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This paper describes the specific poverty reduction practices applied in Hunan Province, People’s Republic of China. Government-subsidized programs are aimed at elderly living in poverty, people with disabilities, and migrant workers and their left-behind children. They reduce poverty mainly by building a support system for living, housing, medical care, old-age care, education, and employment. Tailored financial support are also intended for natural resources of poverty-stricken areas to be used in developing industries and forming self-development capabilities to eradicate poverty, including through industrial development, employment, and financial tool utilization.
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Tarasenko, Rostyslav O., Svitlana M. Amelina, and Albert A. Azaryan. Features of the use of cloud-based translation systems in the process of forming information competence of translators. [б. в.], September 2019. http://dx.doi.org/10.31812/123456789/3256.

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The current trends in the translator training are shown, which reflect the orientation towards the use of cloud-based automated translation systems. The possibilities of studying cloud-based translation systems in the educational process of training the translator are considered. The role of mastering modern translation tools for forming information competence of translators, particularly technological component, was described. The definition of the list and type of basic translation tools that should be mastered in the studying process was discussed. These tools should include automated translation systems and terminological management systems. It is advisable to provide for the study of both desktop and cloud-based systems. The inclusion in the content of the training translators the study of cloud-based systems of automated translation after desktop systems is proposed. A number of advantages of cloud-based translation systems for the use in the process of training the translators is defined and substantiated. A comparative analysis of the functional of cloud-based automated translation systems (Wordfast Anywhere, XTM Cloud, and MemSource) with the aim of including them in the content of the training program for translators has been carried out.
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Seginer, Ido, James Jones, Per-Olof Gutman, and Eduardo Vallejos. Optimal Environmental Control for Indeterminate Greenhouse Crops. United States Department of Agriculture, August 1997. http://dx.doi.org/10.32747/1997.7613034.bard.

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Increased world competition, as well as increased concern for the environment, drive all manufacturing systems, including greenhouses, towards high-precision operation. Optimal control is an important tool to achieve this goal, since it finds the best compromise between conflicting demands, such as higher profits and environmental concerns. The report, which is a collection of papers, each with its own abstract, outlines an approach for optimal, model-based control of the greenhouse environment. A reliable crop model is essential for this approach and a significant portion of the effort went in this direction, resulting in a radically new version of the tomato model TOMGRO, which can be used as a prototype model for other greenhouse crops. Truly optimal control of a very complex system requires prohibitively large computer resources. Two routes to model simplification have, therefore, been tried: Model reduction (to fewer state variables) and simplified decision making. Crop model reduction from nearly 70 state variables to about 5, was accomplished by either selecting a subset of the original variables or by forming combinations of them. Model dynamics were then fitted either with mechanistic relationships or with neural networks. To simplify the decision making process, the number of costate variables (control policy parametrs) was recuced to one or two. The dry-matter state variable was transformed in such a way that its costate became essentially constant throughout the season. A quasi-steady-state control algorithm was implemented in an experimental greenhouse. A constant value for the dry-matter costate was able to control simultaneously ventilation and CO2 enrichment by continuously producing weather-dependent optimal setpoints and then maintaining them closely.
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Abdula, Andrii I., Halyna A. Baluta, Nadiia P. Kozachenko, and Darja A. Kassim. Peculiarities of using of the Moodle test tools in philosophy teaching. [б. в.], July 2020. http://dx.doi.org/10.31812/123456789/3867.

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The paper considers the role of philosophy and philosophical disciplines as the means of forming general cultural competences, in particular, in the development of critical thinking. The article emphasizes that the process of forming over-subject and soft skills, which, as a rule, include also critical thinking, gets much more complicated under the conditions of the reduction in the volume of philosophical courses. The paper grounds that one of the ways to “return” philosophy to educational programmes can be the implementation of training, using the e-learning environment, especially Moodle. In addition, authors point to the expediency of using this system and, in general, e-learning as an instrument for collaborating students to the world’s educational community and for developing their lifelong learning skills. The article specifies the features of providing electronic support in philosophy teaching, to which the following belongs: the difficulty of parametrizing the learning outcomes; plurality of approaches; communicative philosophy. The paper highlights the types of activities that can be implemented by tools of Moodle. The use of the following Moodle test tasks is considered as an example: test control in the flipped class, control of work with primary sources, control of self-study, test implementation of interim thematic control. The authors conclude that the Moodle system can be used as a tools of online support for the philosophy course, but it is impossible to transfer to the virtual space all the study of this discipline, because it has a significant worldview load. Forms of training, directly related to communication, are integral part of the methodology of teaching philosophy as philosophy itself is discursive, dialogical, communicative and pluralistic. Nevertheless, taking into account features of the discipline, it is possible to provide not only the evaluation function of the test control, but also to realize a number of educational functions: updating the basic knowledge, memorization, activating the cognitive interest, developing the ability to reason and the simpler ones but not less important, – the skill of getting information and familiarization with it.
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Nechypurenko, Pavlo P., and Vladimir N. Soloviev. Using ICT as the Tools of Forming the Senior Pupils’ Research Competencies in the Profile Chemistry Learning of Elective Course “Basics of Quantitative Chemical Analysis”. [б. в.], November 2018. http://dx.doi.org/10.31812/123456789/2659.

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Aims of the study: to substantiate possibilities of the research competencies formation among senior pupils in terms of profile Chemistry learning by means of practical using information and communication technology while accomplishing an elective course “Basics of quantitative chemical analysis”. This research considers the influence of various ICT tools on the formation of individual study and research competencies, in particular the system components of the research competencies among senior pupils in terms of profile Chemistry learning and the methods of their practical applying while accomplishing an elective course “Basics of quantitative chemical analysis”. Object of the study: ICT tools for Chemistry learning. Subject of the study: ICT tools of research competencies formation among senior pupils in terms of profile Chemistry learning. Methods of the study: reviewing and analyzing scientific publications, expert evaluation, summarizing pedagogical experience. Results of the study: the system of research competencies formation among senior pupils is effectively provided by the correct selection of ICT tools and conditions of their applying for the certain research competence formation, which embodies system components. Our research confirms the idea that the most ICT tools are to be leading in the development of research competencies among senior pupils in profile Chemistry learning. They are successfully tested by means of their applying in the process of studying the elective course “Basics of Quantitative Chemical Analysis”. They show the high effectiveness. Our study confirms that virtual chemical laboratories are the most universal and influential tools of forming the research competencies among senior pupils in profile Chemistry learning.
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Astafieva, Mariia M., Oleksii B. Zhyltsov, and Volodymyr V. Proshkin. E-learning as a mean of forming students' mathematical competence in a research-oriented educational process. [б. в.], July 2020. http://dx.doi.org/10.31812/123456789/3896.

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The article is devoted to the substantiation of approaches to the effective use of advantages and minimization of disadvantages and losses of e-learning as a mean of forming mathematical competence of students in the conditions of research-oriented educational process. As a result of the ascertaining experiment, e-learning has certain disadvantages besides its obvious advantages (adaptability, possibility of individualization, absence of geographical barriers, ensuring social equality, unlimited number of listeners, etc.). However, the nature of these drawbacks lies not as much in the plane of opportunity itself as in the ability to use them effectively. On the example of the e-learning course (ELC) “Mathematical Analysis” (Calculus) of Borys Grinchenko Kyiv University, which is developed on the basis of the Moodle platform, didactic and methodical approaches to content preparation and organization of activities in the ELC in mathematics are offered. Given the specifics of mathematics as a discipline, the possibility of using ELCs to support the traditional learning process with full-time learning is revealed, introducing a partially mixed (combined) model. It is emphasized that effective formation of mathematical competence of students by means of e-learning is possible only in the conditions of research-oriented educational environment with active and concerned participation of students and partnership interaction. The prospect of further research in the analysis of e-learning opportunities for the formation of students’ mathematical competence, in particular, research and investigation tools, and the development of recommendations for the advanced training programs of teachers of mathematical disciplines of universities are outlined.
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