Relevant bibliographies by topics / Double-sided grinding

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Academic literature on the topic 'Double-sided grinding'

Author: Grafiati
Published: 5 June 2025
Last updated: 24 June 2025

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Journal articles on the topic "Double-sided grinding"

1

Zhou, Hai, Xiao Ming Xu, Xiang Gao, and Huan Feng. "Research on Subsurface Damage Layer Detection during Substrate Processing." Advanced Materials Research 797 (September 2013): 673–78. http://dx.doi.org/10.4028/www.scientific.net/amr.797.673.

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Double-substrate angle polishing is presented for detecting depth of sub-surface damage layer during sapphire substrate grind process. Bimorph overlap bond is used in the double-substrate angle polishing, and when measuring the beveled corrosion crack, measurement errors caused by the traditional angle polish which results in fussy boundaries between polished bevel and the edge of the original wafer plane is avoided. Also digital length measurement is used to measure specimens polished bevel machining contours, then calculate accurate slant angles, eliminate errors of inaccurate angle values and improve measurement accuracy. This experiment has tested the length of mono-crystal polished bevel crack is 175um, the angle of slant is 4.85°. According to theoretical calculation, the double-sided grinding substrate subsurface damage layer is 15um, and the depth of double-sided crystal surface is about 30um. Grinding parameters: 320# boron carbide aqueous solution, lapping pressure 110g/cm2, grinding speed 30r/min.
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Nikitina, I., and A. Polyakov. "SPECIFIC FEATURES OF THERMAL PROCESSES IN DOUBLE-SIDED FACE GRINDING MACHINES." Bulletin of Belgorod State Technological University named after. V. G. Shukhov 6, no. 1 (2021): 82–94. http://dx.doi.org/10.34031/2071-7318-2021-6-1-82-94.

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The paper presents an analysis of thermal processes in the bearing system of a double-sided face grinding machine. Experimental data on temperatures and displacements obtained when the machine is idling and when imitating the grinding process with the help of electric heaters of various powers are used for analysis. The performed studies have shown that thermal deformations of double-sided face grinding machines with an arc trajectory of workpiece feed occur in a wide range in magnitude and direction. It can violate the main requirement for the precise operation of the machine - the symmetry of processing conditions at both ends of the workpiece. From the experiments, the absolute value of the non-parallelism of the grinding wheels after three hours of operation is established; it is almost twice the value of the removed allowance. Analysis of the kinetic change in the deformations of the supporting system of the machine tool during operation under thermal load shows that as it warms up, the relative position of the grinding wheels gradually changes from the state "wider at the bottom" to the state "narrower below". This leads to a spontaneous change in the dynamic tuning of the technological system and a corresponding change in the processing accuracy. Changes in the dynamic tuning of the technological system with varying intensity continue throughout the entire operating time of the machine.
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Nikitina, I. P., and A. N. Polyakov. "Experimental study of double-sided face grinding machine tool." Journal of Physics: Conference Series 1399 (December 2019): 044026. http://dx.doi.org/10.1088/1742-6596/1399/4/044026.

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Lytvyn, Oleksandr, and Kalchenko Dmytro Kalchenko. "INVESTIGATION OF THE PROCESS OF DOUBLE-SIDED GRINDING OF TORCHES OF PUSHERS WITH DIFFERENT DIAMETRERS." TECHNICAL SCIENCES AND TECHNOLOG IES, no. 2 (12) (2018): 86–93. http://dx.doi.org/10.25140/2411-5363-2018-2(12)-86-93.

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Urgency of the research. In machine tools, automotive, agricultural engineering, manufacturing, where it is necessary to ensure high accuracy of surfaces of parts with different diameters of faces, it is required to adhere to high requirements for the quality of geometric sizes, roughness and accuracy of molding. Target setting. Grinding of end surfaces of parts with different diameters of faces, is carried out on two-sided end-grinding machines. The specific gravity of grinding in the total complexity of mechanical processing is constantly increasing and at the present stage it is about 30 % in the machine tool industry, in the automotive industry more than 38% of the total complexity of processing. Actual scientific researches and issues analysis. On the two-sided end-grinding machines of the Saturn company (Germany) the processing of round ends of parts is done with a circular feed to the processing area. Abrasive wheels are used without calibrating plots, which requires a lot of processing to obtain the required precision, which reduces the productivity of grinding. The disadvantage of the method is that the processing of parts with different face diameters is not considered. Uninvestigated parts of general matters defining. It is necessary to improve the processing efficiency of parts by developing the methods of two-sided polishing of the ends of pushers with different diameters oriented grinding wheels with and with-out calibrating sections, and also the rotation or without rotation of the workpiece on the calibration section, at least one revo-lution. The research objective. Improving the accuracy of finishing the end surfaces of parts of various diameters with grinding wheels, is achieved by the fact that the shaping of the ends of the smaller diameter is performed by the maximum diameter of the flat end of one circle, and the shaping of the end face of a larger diameter – the calibration section of the second circle, the length of which is equal to the diameter of the larger end and filled with diamond pencil, which moves along a radius, which coincides with the radius of the location of the axes of the parts in the feed drum. The statement of basic materials. In order to ensure the processing of parts in one pass and the necessary precision of processing, in large-scale and mass production, a grinding method oriented circles with calibrated sections with one-sided arrangement of ends of one diameter is used. The calibration sections are then made of different lengths, depending on the diameter, respectively, larger and smaller. Conclusions. The universal method of practical application of model of accuracy of shaping of ends of parts of different diameters, oriented grinding circles with and without calibration plots has been suggested. The presented method simplifies the grinding of the grinding wheel. It does not require special editing and allows to use regular editing.
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Wu, Nan Xing, Fei Cheng, and Da Hai Liao. "Finite Element Contact Analysis and Life Analysis of Gears in the Double-Sided Grinding Machine." Applied Mechanics and Materials 778 (July 2015): 218–21. http://dx.doi.org/10.4028/www.scientific.net/amm.778.218.

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The contact fatigue life of gears has direct influences on the working life of the double-sided grinding machine, in the actual using process, the contact fatigue life of gears cannot meet the requirements of working because of many factors. This paper uses the finite element software ANSYS, establishs the two-dimensional model of gears, and analyzes and calculates it, the research shows that: life expectancy of gears is 2.13 years, so gears should have carburizing or carbonitriding heat treatment to fit process requirements, gears can live up to 5.82 years, it can fit the technological requirements of gear life of 5 years. It is some practical value for increasing the working life of the double-sided grinding machine and improving the stability and accuracy of the whole machine.
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Volodymyr, Kalchenko, Kalchenko Vitalіі, Kolohoida Antonina, Yeroshenko Andrii, and Kalchenko Dmytro. "Building a model of dressing the working surfaces of wheels during the two-side grinding of round end faces at CNC machines." Eastern-European Journal of Enterprise Technologies 1, no. 1 (115) (2022): 86–93. https://doi.org/10.15587/1729-4061.2022.252642.

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This paper reports the spatial mathematical modeling of the process of dressing the working surface of grinding wheels for implementing the double-sided grinding of the ends of cylindrical components. Parts with high-precision end surfaces that are commonly used include bearing rollers, piston fingers, crosspieces of cardan shafts, and others. The geometric accuracy of surfaces is ensured by simultaneously grinding the ends at two-sided end-grinding machines with crossed axes of the part and wheels that operate under a self-blunting mode. Before starting the machining, the wheels are dressed in a working position. Moreover, the total orientation angle of the tools is selected subject to the condition of uniform distribution of allowance along the rough sections of wheels. Dressing involves a single-crystal diamond tool with a variable feed. That ensures different development of the surface of abrasive tools, which prolongs their operating time between dressings and improves overall stability. The constant size of micro irregularities at the calibration site enhances the quality of machining. The calibration site is made in the form of a straight line belonging to the plane that passes through the axis of rotation of the wheel and is perpendicular to the plane of the machined part. Based on the spatial mathematical models of the processes of removal of allowance and shape formation when dressing the wheel, the surface of the grinding wheel was investigated. Mathematical models for shaping the ends of parts when grinding with wheels with conical calibration sites have been proposed; it is shown that when applying the proposed machining scheme, there is no geometric error in the size of the part. In addition, due to the uniform distribution of the allowance along the rough area of the wheel, the quality of the surface layer of the ends of parts increases. The devised method for dressing the working surface of wheels could be used to grind the ends of non-circular components.
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Volodymyr, Kalchenko, Kalchenko Vitalіі, Kolohoida Antonina, Kalchenko Olga, and Kalchenko Dmytro. "Building a model of the process of shaping tapered calibrating areas of wheels at the two-sided grinding of round ends." Eastern-European Journal of Enterprise Technologies 2, no. 1 (116) (2022): 62–70. https://doi.org/10.15587/1729-4061.2022.253660.

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This paper reports the spatial modeling of the dressing process of grinding wheels with a conical calibration area to enable two-sided end grinding of cylindrical parts. Components with cylindrical end surfaces are common in the industry, for example, bearing rollers, crosses, piston fingers, and others. High requirements are put forward for the accuracy and quality of the end surfaces. The most efficient is to machine them simultaneously on a double-sided face grinding machine. To improve the quality, grinding is carried out by oriented wheels. The wheel’s angle of rotation in the vertical plane is chosen subject to the uniform distribution of the allowance along a working surface; this makes it possible to reduce the temperature in the cutting zone and improve machining conditions. To improve the accuracy, grinding wheels are provided with a conical calibration area whose rectilinear generatrix is in the plane passing through the axis of wheel rotation and is perpendicular to the end of the part. The minimum permissible length of the calibration area depends on the diameter of the parts being machined; that makes it possible to utilize the work surface more efficiently. Two wheels are dressed simultaneously using diamond pencils that are symmetrically installed in a part feed drum. The angular velocity when dressing the rough area of the wheel is constant, which ensures its different development, and it gradually decreases when dressing the calibration area to provide for its constant roughness. In general, this prolongs the resource of grinding wheels and the quality of machining. The wheels are given axial movement to ensure the straightness of the cone calibration area. The dressing technique reported here can be used on machines equipped with a numerical software control system and without it. It could also be applied in the machining of parts with non-round ends
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Wang, Lijuan, Zhongwei Hu, Yiqing Yu, and Xipeng Xu. "Evaluation of Double-Sided Planetary Grinding Using Diamond Wheels for Sapphire Substrates." Crystals 8, no. 7 (2018): 262. http://dx.doi.org/10.3390/cryst8070262.

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9

Nikitina, I., A. Polyakov, and D. Voronin. "EXPERIMENTAL MEASURES TO IMPROVE THERMAL CHARACTERISTICS IN DOUBLE-SIDED FACE GRINDING MACHINES." Bulletin of Belgorod State Technological University named after. V. G. Shukhov 7, no. 9 (2022): 116–26. http://dx.doi.org/10.34031/2071-7318-2022-7-9-116-126.

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The results of full-scale and computational experiments to improve the thermal characteristics of the machine tool are presented. This can lead to a decrease or achieve symmetry of the resulting thermal deformations. The implementation of four schemes for the redistribution of heat fluxes is considered: the heat flux of the main electric motors, directed under the protective casing of the drive pulley, and the heat flux of the belt drive are removed through special windows in the casing to the environment; jointly with the first scheme of redistribution of heat fluxes, cooling of the ends of the grinding headstocks is provided with the help of an impeller fixed on each drive pulley; jointly with the second scheme, heat flux isolation from the left and right electric motors is provided; heating the ends of the machine tool bed. The first three schemes are implemented at idling of the machine tool; the fourth scheme is implemented when the machine is operating under thermal load. The joint implementation of three schemes makes it possible to reduce the displacement of the right circle at idle by 1.5 times, the left circle practically did not move. The test of the first three circuits during the operation of the machine tool under a thermal load does not reveal significant changes in the thermal characteristics. The implementation of the fourth heat flux redistribution scheme help to compensate for thermal deformations from heating in the central part of the bed and reduce changes in the angular position of the grinding wheels.
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Nikitina, I., A. Polyakov, and D. Voronin. "SIMULATION OF THE THERMAL DEFORMATION BEHAVIOR OF DOUBLE SIDED FACE GRINDERS." Bulletin of Belgorod State Technological University named after. V. G. Shukhov 7, no. 1 (2022): 90–101. http://dx.doi.org/10.34031/2071-7318-2021-7-1-90-101.

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The paper presents the result of modeling the thermal deformation behavior of the bearing system of a double-sided face grinder. Two modes of its operation is considered: idling and working strokes. Spindle bearings, heat fluxes from coolant, and heat fluxes from motors are considered as the main heat sources. The preliminary values of heat and convective fluxes are assigned according to well-known methods used in engineering calculations of machine tools. Refinement of the values of heat and convective fluxes is carried out according to the results of experimental values of temperatures and temperature displacements. In the thermal model, convective heat transfer is assigned to 450 surfaces. Heat flows are assigned to 161 surfaces. The simulation is run in Ansys for 6 hours of machine tool operation. Ansys uses a ten-node Solid227 element as a typical finite element. The problem of thermoelasticity is solved in a related setting. The error in modeling thermal processes did not exceed 0,5 degree, the error in modeling temperature displacements did not exceed 5 microns. The results of computer simulation confirmed the relative experimental positions of the left and right grinding wheels characteristic of this range of machines. At idle, the relative position of the grinding wheels represented the state «wider at the bottom», and during the working stroke, the state «at the bottom narrower» is recorded. The illustrations of the FEM model and contour plots for the temperature field and temperature displacements of the bearing system of the machine tool for two modes of its operation are presented.
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Book chapters on the topic "Double-sided grinding"

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Nikitina, I. P., and A. N. Polyakov. "Experimental Thermal Performance Double-Sided Face Grinding Machine." In Lecture Notes in Mechanical Engineering. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-85233-7_16.

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Nikitina, I. P., and A. N. Polyakov. "Improving Thermal Characteristics of Double-Sided Face Grinding Machines." In Lecture Notes in Mechanical Engineering. Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-38126-3_12.

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Li, Wei, Gang Xiang Hu, Xiao Dong Hu, and Xiao Zhen Hu. "The Performance and Optimization of Slurry on the Double Sided Polishing Process of Silicon Wafer." In Advances in Grinding and Abrasive Technology XIV. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-459-6.324.

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Nikitina, I. P., and A. N. Polyakov. "Method of Simulation of the Thermal Deformation Behavior of Double-Sided Face Grinding Machines." In Proceedings of the 8th International Conference on Industrial Engineering. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-14125-6_8.

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Conference papers on the topic "Double-sided grinding"

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Li, Daqi, Lei Zhang, Xu Yang, Heran Yang, and Tongzhan Li. "Research on the double-sided grinding and polishing machine tool system." In 2010 International Conference on Information and Automation (ICIA). IEEE, 2010. http://dx.doi.org/10.1109/icinfa.2010.5512495.

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