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Gotowe bibliografie tematyczne / Grinding

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Gotowa bibliografia na temat „Grinding”

Autor: Grafiati

Data publikacji: 4 czerwca 2021

Data aktualizacji: 9 czerwca 2025

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Artykuły w czasopismach na temat "Grinding"

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Choi, Young Jae, Kyung Hee Park, Yun Hyuck Hong, Kyeong Tae Kim, Seok Woo Lee, and Hon Jong Choi. "Design of Ultrasonic Horn for Grinding Using Finite Element Method." Advanced Materials Research 565 (September 2012): 135–41. http://dx.doi.org/10.4028/www.scientific.net/amr.565.135.

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In this paper, a ultrasonic horn, which can vibrate longitudinally with a frequency of 20㎑, was designed using finite element method (FEM). And the ultrasonic horn was fabricated for ultrasonic assisted grinding. To evaluate machining performance of the fabricated ultrasonic horn, grinding test was conducted on alumina ceramic (Al2O3). In the grinding test, grinding forces was measured and compared between the conventional grinding and the ultrasonic assisted grinding. The results showed that the grinding force in the ultrasonic grinding was lowered than the conventional grindign by 3~20%.

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Teshaboeva, Nodira Djuraevna. "INFLUENCE OF SURFACE - ACTIVE ADDITIVES ON THE PHYSICO - TECHNICAL PROPERTIES OF CEMENT." Eurasian Journal of Academic Research 1, no. 5 (August 10, 2021): 8–14. https://doi.org/10.5281/zenodo.5176152.

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The article stipulates that at present, the grinding technology strives to increase the degree of grinding, improve the granulometric composition of cement and reduce the specific energy consumption for grinding processes, taking into account the extremely low efficiency of grinding plants. Therefore, when choosing the optimal dosages, the fineness of the grind of cements at various grindings was studied.

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Xue, Jin Xue, Bo Zhao, and Guo Fu Gao. "Study on the Plastic Removal Mechanism of Nano-ZrO₂ Ceramics by Ultrasonic Grinding." Key Engineering Materials 455 (December 2010): 686–89. http://dx.doi.org/10.4028/www.scientific.net/kem.455.686.

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The brittleness, plasticity, super-plasticity and the removal mechanisms of critical fragmentation of the nano ZrO2 ceramics were investigated. The formula of critical ductile grinding depth of the common engineering ceramics was inapplicable to the nano-ZrO2 ceramics. A new formula of critical ductile grinding depth of the nano ceramics was established. The ultrasonic vibration grinding experiments showed that the critical ductile grinding depth of the ceramics was 15μm by conventional grinding, but the increment of the critical ductile grinding depth was 60 percent by ultrasonic grinding. The critical ductile grinding depth increased to 25μm. Analyzed by means of SEM, it was transgranular cracking during its cracking process. The nano-ZrO2 ceramics have high toughness so the critical ductile grinding depth increased. The shape, length, width and thickness of the grindings differed greatly from which obtained by conventional grinding.

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Ke, Xiao Long, Yin Biao Guo, and Chun Jin Wang. "Compensation and Experiment Research of Machining Error for Optical Aspheric Precision Grinding." Advanced Materials Research 797 (September 2013): 103–7. http://dx.doi.org/10.4028/www.scientific.net/amr.797.103.

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According to the demand of precision machining for optical aspheric lens, especially large scale optical aspheric lens, this paper presents an error compensation technique for precision grindging. Based on precision surface grinding machine (MGK7160), grating-type parallel grinding method is put forward to realize grinding paths planning for optical aspheric lens. In order to obtain surface metrology and evaluation after grinding, an on-machine measurement system is built. On the basis of compensation principle, machining error is separated to achieve error compensation. Grinding experiments are carried out and show that it can meet the demand of precision grinding, and the accuacy after error compensation attains 6.5μm.

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LÖNNBERG, BRUNO. "DEVELOPMENT OF WOOD GRINDING. 6. SIGNIFICANCE OF THE FRICTIONAL COEFFICIENT IN GRINDING OF SPRUCE WOOD." Cellulose Chemistry and Technology 58, no. 3-4 (May 15, 2024): 419–24. http://dx.doi.org/10.35812/cellulosechemtechnol.2024.58.40.

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The purpose of this study was to clarify whether the wood grinding model – based on an energy balance for the grinding zone – would improve understanding of wood grinding for pulp. This study relied on previously obtained data by the Finnish Pulp and Paper Research Institute. The frictional coefficient (Pc/Pt) computed and the power-specific groundwood production (Ġw/Pt) were important x- and y- variables, respectively. Fresh spruce wood samples were ground by application of a laboratory grinder, where the stone surface speeds were 30, 15 and 7 m/s, respectively. The power-specific productivities of high- and medium-speed grindings followed one and the same mechanism, since both speeds led to a productivity of 0.99 [(kg/h)/kW]; the low-speed grinding, however, led to a level of 0.66 [(kg/h)/kW] at frictional coefficients closest to 100 mW/kW. The rate of formation of coarse rejects was – at the same frictional coefficient as before – 15.0, 4.3 and 2.3 mg/s for high-, medium- and low-speed grindings, respectively. However, the rate of fines formation determined by McNett apparatus was about ten times higher than that of formation of coarse rejects: 123.0, 42.2 and 23.7 mg/s, respectively. The fines-to-shives ratio (determined by a Somerville shive analyser) was assumed to indicate fiberisation for high-, medium- and low-speed grindings, and the true data, most close to 100 mW/kW, were 56.0, 55.9 and 36.1 units of fines-to-shives, respectively. The curves followed the same trend, but on slightly different levels. As for the important sheet properties, the tensile strengths of high-, medium- and low-speed grindings were low, medium and high, respectively: 37.1, 46.9 and 56.2 Nm/g. The light scattering coefficients of high-, medium- and low-speed grindings were low, medium and high, respectively, or as data being most close to 100 mW/kW: 59.2, 66.0 and 67.5 m2/kg, respectively. Some general conclusions may be drawn from these results. To achieve the best groundwood productivity, the frictional coefficient should be kept on a level close to 100 mW/kW. Generally speaking, it seems that high- and medium-speed grindings appeared to act as following the same mechanism as far as the productivity was concerned, but the rates of shives and fines formation did not follow such a pattern. The groundwood sheets showed lower tensile strength in high-speed grinding than in medium-speed grinding, while the light scattering coefficient was much lower for the high-speed grinding than for the medium-speed grinding. Because of its low productivity, the low-speed grinding does not seem to be useful, although high tensile strength and high light scattering of the sheets would plead for it.

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Koltunov, I. I. "COMPARATIVE EVALUATION OF THE ERROR IN GRINDING OF BEARING RINGS." Izvestiya MGTU MAMI 6, no. 1 (January 10, 2012): 218–23. http://dx.doi.org/10.17816/2074-0530-70005.

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The article considers the method of selecting of grinding mode at the operation design stage. The authors developed the mathematical model of process of grinding of a bearing ring. There are obtained numerical values of the error of machining of internal surfaces of bearing rings for different schemes grindings.

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Shen, Xiao Long, Cheng Gao Ren, Zhi Mou Pi, and Dai Li Zhu. "Experimental Investigation and Improvement of Dynamic Performance of High-Speed Grinding Machine." Advanced Materials Research 156-157 (October 2010): 1609–12. http://dx.doi.org/10.4028/www.scientific.net/amr.156-157.1609.

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Design of the dynamic performance of a machine tool is an effective approach to improve the machining accuracy. In this paper, the dynamic performance of high-speed cylindrical grinder has been studied systematically to improve the surface quality of high-speed grinding. According to the mode shape graphs and the power spectra, the vibration weak links and the main vibration sources of the prototype were found, and then the improvement measures were presented by designing the dynamic performance tests. The fact that the chatter of high-speed grinding can be suppressed to a certain extent with variable speed grindings was verified in variable speed grinding experiments at high speed.

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Rowe, Brian, Andrew Thomas, Jim Moruzzi, and David Allanson. "Grinding: Intelligent CNC grinding." Manufacturing Engineer 72, no. 5 (1993): 238. http://dx.doi.org/10.1049/me:19930105.

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Meng, Minghui, Chuande Zhou, Zhongliang Lv, Lingbo Zheng, Wei Feng, Ting Wu, and Xuewei Zhang. "Research on a Method of Robot Grinding Force Tracking and Compensation Based on Deep Genetic Algorithm." Machines 11, no. 12 (December 8, 2023): 1075. http://dx.doi.org/10.3390/machines11121075.

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In the grinding process of complex-shaped cast workpieces, discrepancies between the workpiece’s contours and their corresponding three-dimensional models frequently lead to deviations in the machining trajectory, resulting in instances of under-grinding or over-grinding. Addressing this challenge, this study introduces an advanced robotic grinding force automatic tracking technique, leveraging a combination of deep neural networks and genetic algorithms. Harnessing the capability of force sensing, our method dynamically recalibrates the grinding path, epitomizing truly flexible grinding. Initially, in line with the prerequisites for force and pose tracking, an impedance control strategy was developed, integrating pose deviations with force dynamics. Subsequently, to enhance steady-state force tracking, we employed a genetic algorithm to compensate for force discrepancies caused by positional errors. This was built upon the foundational concepts of the three-dimensional model, impedance control, and environmental parameter estimation, leading to an optimized grinding trajectory. Following tracking tests, it was observed that the grinding’s normal force was consistently controlled within the bracket of 20 ± 2.5 N. To further substantiate our methodology, a specialized experimental platform was established for grinding complex-shaped castings. Optimized strategies were employed under anticipated forces of 5 N, 10 N, and 15 N for the grinding tests. The results indicated that the contact forces during the grinding process remained stable at 5 ± 1 N, 10 ± 1.5 N, and 15 ± 2 N. When juxtaposed with conventional teaching grinding methods, our approach manifested a reduction in grinding forces by 71.4%, 70%, and 75%, respectively. Post-grinding, the workpieces presented a pronounced enhancement in surface texture, exhibiting a marked increase in surface uniformity. Surface roughness metrics, originally recorded at 17.5 μm, 17.1 μm, and 18.7 μm, saw significant reductions to 1.5 μm, 1.6 μm, and 1.4 μm, respectively, indicating reductions by 76%, 73%, and 78%. Such outcomes not only meet the surface finishing standards for complex-shaped castings but also offer an efficacious strategy for robot-assisted flexible grinding.

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prasad, P. Durga, and B. Vivek. "Cryogenic Grinding." International Journal of Research Publication and Reviews 5, no. 3 (March 9, 2024): 4137–40. http://dx.doi.org/10.55248/gengpi.5.0324.0795.

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Rozprawy doktorskie na temat "Grinding"

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Agahi, Maryam. "Grinding polycrystalline diamond using a diamond grinding wheel." Access electronically, 2006. http://www.library.uow.edu.au/adt-NWU/public/adt-NWU20061114.150854/index.html.

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Brown, Austin (Austin R. ). "Axially force limited grinding spindle for robotic grinding." Thesis, Massachusetts Institute of Technology, 2018. http://hdl.handle.net/1721.1/119966.

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Thesis: S.B., Massachusetts Institute of Technology, Department of Mechanical Engineering, 2018.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (page 35).<br>Grinding and Polishing of small parts is often easily performed by human hands, yet is challenging to automate. The grinding and polishing process is best done using a force-control scheme, which human hands perform naturally. Heavy robotic arms, which favor a position-control scheme, are difficult to control precisely, and trajectory errors can cause excessive grinding force which leads to burning of the part or destruction of the grinding wheel. Prior art of direct force control on a large robot arm requires the end-effector to have a 6-axis dynamometer, which is unwieldy, costly, and greatly limits the speed/precision of the process. We will discuss a new type of grinding spindle which is axially compliant, allowing the position-control robot arm to be used in a force-control nature. The spindle has a disjoint force-displacement curve, effectively operating in two modes: position-control mode at first, until a critical force is exceeded, when the spindle transitions into force-mode, keeping constant grinding force on the part though a certain range of travel. This limits the amount of force which can be imparted during grinding to a safe amount. The spindle is very simple and mechanically robust. We have built this hybrid position-force control spindle and tested it. The spindle was shown to perform correctly and successfully completed the test grind.<br>by Austin Brown.<br>S.B.

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Curtis, David Thomas. "Point grinding and electrolytic point grinding of Udimet 720." Thesis, University of Birmingham, 2011. http://etheses.bham.ac.uk//id/eprint/2850/.

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The work within this Thesis is concerned with the manufacturing processes associated with the production of blade root mounting slots in aeroengine compressor and turbine discs. Typically slots are of dovetail or fir-tree geometry dependent on specific design requirements. The state of the art process across the industry is broaching however, despite achieving required geometrical tolerances and surface integrity for decades the process is not without its disadvantages. Primarily these include the inflexibility of the process, machine tool cost; size and cutting forces, complexity of tooling and set up and further the limited level of control of the process beyond tooling design. This has led to research into alternative processes across a range of conventional and non-conventional manufacturing techniques. Work presented here focuses on two key technology areas, namely point grinding and electrolytic point grinding. The former applies small diameter single layer grinding wheels on a high speed machining centre with spindle capability in the region of 60,000rpm. Target geometry was a complex fir-tree root form requiring dimensional control to within +/- 5um and a surface integrity in line with critical aerospace components. The later process investigated the unification of point grinding and electrochemical machining on a vertical machining centre to assess process performance across a range of variables.

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Liu, Qiang. "Pattern recognition of grinding defects and assessment strategies of grinding." Thesis, University of Nottingham, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.417403.

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Gannholm, Sören. "The mysterious grinding grooves." Thesis, Uppsala universitet, Institutionen för arkeologi och antik historia, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-423569.

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On the Island of Gotland, there is a phenomenon called grinding grooves, Sw. slipskåror. They occur in bedrock and boulders. About 3600 are known on the island today and having a length of less than half a meter to over one meter. Their purpose was unknown to the scientific community as well as their age. The directions of some 1250 Gotlandic grinding grooves, measured by the author shows there is a correlation to astronomical orientations. An archaeological excavation carried out by the author at a stone with grinding grooves gave some crucial results. The grinding groove phenomenon occurs in some other places in the world as well. In South-West of Sweden, there are quite many in a few places. They are, however shorter and have another appearance because they are more curvature than the Gotlandic ones. Their purpose and age are unknown as well. In France, there are many places with grinding grooves, Fr. polissoirs. Their appearance is more similar to the Gotlandic ones than those in the Swedish mainland. They are supposed to be Neolithic. In Africa and Australia, there are places with different kinds of carvings in stones. Some resemble those mentioned above, more or less. The difference between grinding grooves and other phenomena is floating. They are sometimes associated with the circular indentations called cup marks. There are different explanations, and some are supposed to be marks from creating stone tools, while the cult is the explanation to others.

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Yin, Guoxu. "Theoretical-Experimental Study of Fluid Delivery and Heat Management in Grinding." University of Toledo / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1438598110.

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Hekman, Keith Alan. "Precision control in compliant grinding via depth-of-cut manipulation." Diss., Georgia Institute of Technology, 1997. http://hdl.handle.net/1853/16627.

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Alabed, Asmaa. "Knowledge management for grinding technology." Thesis, University of Huddersfield, 2011. http://eprints.hud.ac.uk/id/eprint/14575/.

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This thesis describes an investigation concerned with development of a grinding knowledge warehouse system (GKWS). Based on a study of previous work on knowledge management and technique for a selection of grinding conditions, the thesis proposes a novel methodology to deal with missing data in surface and cylindrical grinding using Genetic Programming. The GKWS provides a guided tool for users to support the decision-making process to provide suggestions for selecting grinding conditions using rule-based reasoning (RBR) and case-based reasoning (CBR) and it can learn from new and previous grinding cases to improve and expand the CBR cases. The GKWS developed a new methodology to deal with missing data in grinding operations. The new methodology is built on If-Then rules, mathematical equations and modelling using genetic programming (GP). Dealing with missing data improves the performance of knowledge discovery in the GKWS and the results of the CBR. The GP is developed for modelling surface roughness in cylindrical and surface grinding. The developed GP model for surface grinding shows the ability to predict the surface roughness parameter especially when the GP terminals vary and the same material and wheel are used. The discussion forum facilitates and supports transferring tacit knowledge into explicit knowledge where the users can exchange their ideas, send questions and answers, and pass on important links. The tacit knowledge is acquired directly from the knowledge engineers. The debate and discussion in GKWS will create new knowledge that is accessible and available when needed.

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Massam, Mark. "Thermal characteristics of grinding fluids." Thesis, Cranfield University, 2008. http://dspace.lib.cranfield.ac.uk/handle/1826/7615.

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High Efficiency Deep Grinding (HEDG) combines high depths of cut, high grinding wheel speeds with high work piece feed rates to deliver a very high stock removal process that can produce components free of surface damage. High contact temperatures are a characteristic of the process and this produces a mass of hot grinding sparks being ejected from the grinding zone. Neat oil cutting fluids are typically used in HEDG due to their excellent lubricity, but the high grinding wheel speeds employed leads to high levels of highly volatile cutting fluid mist in the machine canopy. This mist can mix with the hot grinding sparks being ejected from the grinding zone to create a potential fire hazard. The project aim was to produce a cutting fluid application strategy for the HEDG regime, focusing on establishing the thermal characteristics of cutting fluids in order to determine the optimum cutting fluid for the HEDG process. The cutting fluid application strategy also involved investigating the optimum means by which to apply the cutting fluid, based on minimising amount of cutting fluid used in the process and in reducing the potential fire hazard. The characteristics that have a thermal impact on the grinding process are the cooling, lubrication, ignition and misting properties of the fluid. A series of tests were established to investigate these properties and therefore allow different fluids to be compared and contrasted for their suitability for the HEDG regime based. Once an optimal cutting fluid had been established, the project then investigated the optimal method of applying this fluid, with particular reference to the type and design of the nozzle used to apply the fluid to the grinding zone. As part of these trials, a series of benchmark tests were also conducted using long established cutting fluid application techniques to enable the benefits of the new strategy to be evaluated. The project concluded that high viscosity neat oil ester based cutting fluids were the best fluids to be used in the HEDG regime due to they excellent lubricity and low misting properties coupled to their relatively high resistance to ignition when compared to neat mineral oils. The studies also found that using a high viscosity ester based fluid and then applying it using a coherent jet nozzle, significant reductions in the grinding powder and specific grinding energy could be achieved whilst significantly lowering the amount of mist in the machine, thus reducing the potential fire hazard and the volume of cutting fluid used by the process.

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Barlow, N. "High-rate grinding wheel design." Thesis, Liverpool John Moores University, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.380664.

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Książki na temat "Grinding"

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Krar, Stephen F. Grinding technology. 2nd ed. Albany: Delmar Publishers, 1995.

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Metzger, J. L. Superabrasive grinding. London: Butterworths, 1986.

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Holz, Robert. Grinding handbook: Grinding with diamond and CBN. Hamburg: Ernst Winter, 1988.

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Rowe, W. Brian. Modern Grinding Techniques. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2010. http://dx.doi.org/10.1002/9780470882313.

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Andrew, Colin. Creep feed grinding. London: Holt, Rinehart and Winston, 1985.

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Lamson, S. T. Rail profile grinding. Kingston, Ont: Canadian Institute of Guided Ground Transport, 1985.

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Kibbe, Richard R. Grinding machine operations. New York: Wiley, 1985.

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Andrew, Colin. Creep feed grinding. New York, NY: Industrial Press, 1985.

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Keviczky, L. Mathematics and Control Engineering of Grinding Technology: Ball Mill Grinding. Dordrecht: Springer Netherlands, 1989.

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László, Keviczky. Mathematics and control engineering of grinding technology: Ball mill grinding. Dordrecht: Kluwer Academic Publishers, 1989.

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Części książek na temat "Grinding"

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Tönshoff, Hans Kurt, and Berend Denkena. "Grinding." In Lecture Notes in Production Engineering, 247–301. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-33257-9_13.

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Aurich, Jan C., Christian Effgen, and Benjamin Kirsch. "Grinding." In CIRP Encyclopedia of Production Engineering, 1–5. Berlin, Heidelberg: Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-642-35950-7_6427-5.

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Fritz Klocke, E. h., and Aaron Kuchie. "Grinding." In Manufacturing Processes 2, 1–166. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-540-92259-9_6.

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Aurich, Jan C., Christian Effgen, and Benjamin Kirsch. "Grinding." In CIRP Encyclopedia of Production Engineering, 795–99. Berlin, Heidelberg: Springer Berlin Heidelberg, 2019. http://dx.doi.org/10.1007/978-3-662-53120-4_6427.

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Aurich, Jan, and Christian Effgen. "Grinding." In CIRP Encyclopedia of Production Engineering, 586–89. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-20617-7_6427.

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Tadros, Tharwat. "Grinding." In Encyclopedia of Colloid and Interface Science, 628–30. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-20665-8_101.

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Hahn, Robert S. "Grinding." In Handbook of High-Speed Machining Technology, 329–84. Boston, MA: Springer US, 1985. http://dx.doi.org/10.1007/978-1-4684-6421-4_15.

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Stone, Brian. "Grinding." In Chatter and Machine Tools, 135–86. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-05236-6_5.

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Gooch, Jan W. "Grinding." In Encyclopedic Dictionary of Polymers, 350. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_5674.

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Tschätsch, Heinz, and Anette Reichelt. "Grinding." In Applied Machining Technology, 249–93. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-01007-1_13.

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Streszczenia konferencji na temat "Grinding"

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Ding, Ning, Hongwei Zhao, Junxin Zhang, Zhining Dong, and Kaiyu Zhang. "Research on grinding flow field and grinding fluid jet simulation optimization." In 3rd International Conference on Advanced Manufacturing Technology and Manufacturing Systems (ICAMTMS 2024), edited by Dailin Zhang and Ke Zhang, 134. SPIE, 2024. http://dx.doi.org/10.1117/12.3039171.

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Adam, K., K. A. Natarajan, I. Iwasaki, and S. C. Riemer. "Electrochemical Aspects of Grinding Media-Mineral Interaction in Sulfide ORE Grinding." In CORROSION 1985, 1–12. NACE International, 1985. https://doi.org/10.5006/c1985-85362.

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Abstract Electrochemical interactions between grinding media and sulfide ores were studied through rest potential, combination potential and galvanic current measurements and polarization experiments using electrodes of grinding media materials and pyrrhotite under non-abrasive and abrasive conditions, and through the determination of ball wear data under different aeration conditions using marked ball grinding tests. Attempts were made to relate the corrosion currents, estimated from corrosive wear data in a laboratory ball mill, and the galvanic currents measured under non-abrasive and abrasive conditions. The electrochemical measurements were shown to provide a useful guide in developing corrosion resistant materials for grinding balls.

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Latchireddi, Sanjeeva. "ENERGY EFFICIENT GRINDING MILLS." In 41º Ironmaking and Raw Materials Seminar and 12º Brazilian Symposium on Iron Ore, 830–39. São Paulo: Editora Blucher, 2011. https://doi.org/10.5151/2594-357x-20524.

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Tawakoli, Taghi, and Alireza Vesali. "Dynamic Behavior of Different Grinding Wheel Hub Material in High Efficiency Deep Grinding (HEDG)." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-86207.

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Machining accuracy and productivity of the grinding process can be mainly affected by the dynamic behavior of the different components participating in grinding process, e.g. grinding wheel, grinding machine and workpiece. Amongst others, design and material of the grinding wheels play a significant role in grinding performance. Therefore, controlling the dynamic behavior of the grinding wheel through an in-process monitoring and a post-process measurement seems an appropriate approach to optimize the grinding process, especially in high efficiency deep grinding (HEDG). This paper presents the results of the grinding tests, which were conducted using two different vitrified bonded CBN wheels — one with Carbon fiber-reinforced polymer (CFRP) hub body and other one with steel hub body. The experiments have been carried out using a new in-process measurement system which allows the detection of the wheel vibration amplitudes and frequencies in different location of the wheel body during grinding. It was proved that the dynamic behavior of grinding wheels can affect the chip removal mechanism. The experimental investigation showed that grinding parameters and coolant supply conditions in HEDG process can affect the dynamic behavior of the grindings wheels. Furthermore, using CFRP as the hub material leads to a reduction in the wheel vibration and generated amplitudes.

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Chen, Shuping, Mingshun Wang, Ying Huang, Xin Mao, and Hao Liu. "Control of grinding force in grinding diamond." In Optics East, edited by Bhaskaran Gopalakrishnan. SPIE, 2004. http://dx.doi.org/10.1117/12.571339.

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Pei, Z. J., and Alan Strasbaugh. "Fine Grinding of Silicon Wafers: Grinding Marks." In ASME 2002 International Mechanical Engineering Congress and Exposition. ASMEDC, 2002. http://dx.doi.org/10.1115/imece2002-33458.

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In order to ensure high quality chips with high yield, the base material, semiconductor wafers (over 90% are silicon), must have superior quality. It is critically important to develop new manufacturing processes that allow silicon wafer manufacturers to produce high quality wafers at a reasonably low cost. A newly patented technology—fine grinding of etched silicon wafers—has great potential to manufacture very flat silicon wafers more cost-effectively. This paper presents an investigation of grinding marks in fine grinding. The investigation covers (1) nature of grinding marks, (2) factors that have effects on grinding marks, and (3) approaches to reduce grinding marks. Varying chuck speed during grinding operation is shown to be a very effective approach to reduce grinding marks. Conclusions from this study have direct impacts to the silicon wafer industry.

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Chouhan, V., T. Ring, D. Smith, and G. Wu. "Study of Mechanical Grinding Effects on Niobium Surface." In Study of Mechanical Grinding Effects on Niobium Surface. US DOE, 2024. http://dx.doi.org/10.2172/2440014.

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Lindsey, Kevin. "Tetraform grinding." In SIRA - DL tentative, edited by Lionel R. Baker. SPIE, 1992. http://dx.doi.org/10.1117/12.57751.

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Siqueira, Bernardo, Harri Lehto, Mattias Astholm, and Ville Keikkala. "GRINDING TEST FOR IRON ORE TERTIARY GRINDING CIRCUIT." In 45º Redução / 16º Minério de Ferro / 3º Aglomeração. São Paulo: Editora Blucher, 2017. http://dx.doi.org/10.5151/2594-357x-27073.

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DENKENA, B. "Manufacturing of graded grinding wheels for flute grinding." In Material Forming. Materials Research Forum LLC, 2023. http://dx.doi.org/10.21741/9781644902479-132.

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Abstract. In this paper, two different methods for manufacturing of graded grinding wheels for two different metal bonds are presented. One method is based on the use of a mask and manual moulding and the other on a height-adjustable holder for moulding. For this purpose, a brittle and a ductile bronze bond are compared. The graded grinding wheels are fabricated through sintering with Field Assisted Sintering Technology (FAST). An analysis of the grain distribution is used to demonstrate the reproducibility of the manufacturing methodology. For analysis, light microscope images of cross-sections of the abrasive layers are taken. The grain distribution is determined using image processing software and a greyscale method. Finally, the advantages of each method are compared. As a result, both manufacturing methods are evaluated in terms of precision, feasibility and efficiency. From this, a recommendation on the implementation and further development of the methods is derived. This method enables the manufacturing of graded grinding wheels for an effective reduction of wear differences for grinding cemented carbide end mill cutters.

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Raporty organizacyjne na temat "Grinding"

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T. Q. Nguyen. Crush Grinding. Office of Scientific and Technical Information (OSTI), April 2005. http://dx.doi.org/10.2172/885174.

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Skone, Timothy J. Grinding Energy, Surface. Office of Scientific and Technical Information (OSTI), July 2013. http://dx.doi.org/10.2172/1509386.

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Skone, Timothy J. Grinding Energy, Underground. Office of Scientific and Technical Information (OSTI), July 2013. http://dx.doi.org/10.2172/1509387.

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Gould, Melissa, Bill Bruce, and Vince Arnett. PR-186-113600-R01 Grinding Limits for Repair of SCC on Operating Pipelines. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), March 2018. http://dx.doi.org/10.55274/r0011473.

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Grinding is an accepted repair method for stress corrosion cracking (SCC) on buried pipelines. Grinding is routinely performed while the pipeline remains in service (i.e., pressurized and flowing). When grinding on a live pipeline, there is a risk that the pipe wall will rupture, either by reducing the wall thickness to below that which is appropriate for the operating pressure or by causing the cracking that is being removed to become 'critical' or unstable as the result of increased local stresses, etc. This project involved a review of current limits, practices, and previous work relevant to this topic. A full-scale experimental program was carried out in an effort to validate the premise that, during the removal of a crack or crack colony by grinding, there is a reduction in stress intensity as grinding proceeds and that the reduction in stress intensity more than compensates for the reduction in wall thickness. The project objective was to provide confidence for those who perform an SCC repair by grinding on an operating pipeline; while the experimental program produced some unexpected results, industry experience indicates that, with an appropriate pressure reduction prior to repair, this practice can be safe.

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Skone, Timothy J. Biomass Grinding for Coal-Biomass Cofiring. Office of Scientific and Technical Information (OSTI), July 2011. http://dx.doi.org/10.2172/1509243.

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Koyanaka, Shigeki, Hitoshi Ohya, and Shigehisa Endoh. Study on New grinding Technique to Simplify the Recycling Process of Scrap Electronics~Improvement of Selective Grinding Effect by Real-Time Control of the Grinding Conditions. Warrendale, PA: SAE International, May 2005. http://dx.doi.org/10.4271/2005-08-0187.

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Petruk, W., and M. M. Smith. Ore characteristics that affect breakage during grinding. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1988. http://dx.doi.org/10.4095/307083.

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Ashbaugh, F. A. CNC grinding of valve housing piston holes. Office of Scientific and Technical Information (OSTI), November 1991. http://dx.doi.org/10.2172/5043278.

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Smith, S., H. Paul, and R. O. Scattergood. Precision diamond grinding of ceramics and glass. Office of Scientific and Technical Information (OSTI), December 1988. http://dx.doi.org/10.2172/476640.

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McSpadden, SB. Optimizing the Grinding Process for Ceramic Materials. Office of Scientific and Technical Information (OSTI), September 2001. http://dx.doi.org/10.2172/814599.

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