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Journal articles on the topic 'Centerless grinding'

Author: Grafiati

Published: 4 June 2021

Last updated: 28 May 2022

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1

Malík, Andrej, and Augustín Görög. "Process Centerless Recess Grinding." Research Papers Faculty of Materials Science and Technology Slovak University of Technology 18, no. 28 (January 1, 2010): 39–44. http://dx.doi.org/10.2478/v10186-010-0004-4.

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Process Centerless Recess Grinding The article deals with special centerless grinding using various methods, particularly the centerless grinding recess methods. The results of measuring the surface roughness of frontal and cylindrical areas of a workpiece, as well as the roundness of the cylindrical surface of the workpiece are presented in the paper. Qualitative parameters of the machined surfaces are supplemented by the course of the grinding process. The change in the shape of the workpiece in the process of grinding causes also the change of position of the workpiece in the work zone.

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2

Ming, Wei Wei, Qing Long An, and Ming Chen. "Analysis on Centerless Grinding of Titanium Alloy." Key Engineering Materials 416 (September 2009): 509–13. http://dx.doi.org/10.4028/www.scientific.net/kem.416.509.

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Centerless grinding is a widely used manufacturing process in the mass production of precision parts. However, its productivity and precision is largely determined by the grinder set-up conditions, process stability and workpiece surface integrity. Grinding titanium alloys encounters difficulties due to its low thermal conductivity, high shear strength and extreme chemical reactivity. Therefore, the grindability of titanium alloy should be improved in order to increase the productivity for the sake of workpiece quality. In this paper, centerless grinding process was introduced initially and the research of impact factors on centerless grinding performance was reviewed. The problems occurred in the centerless grinding of titanium alloy were studied and optimum guidelines were proposed.

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3

Epureanu, B. I., F. M. Montoya, and C. L. Garcia. "Centerless Grinding Systems Stability." Journal of Manufacturing Science and Engineering 121, no. 2 (May 1, 1999): 157–62. http://dx.doi.org/10.1115/1.2831199.

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In this paper, the steady state dynamics of a centerless grinding machine and work piece has been examined. A model of a centerless grinding system which allows both the deflection of the work piece center and the deformation of the grinding machine frame has been developed. Two instabilities are demarcated • work piece surface generation instability, and • grinding process instability. Both the generation and the grinding stability of self-excited vibrations are investigated. Stability limits are defined using the characteristic equations of the system. The main factors that influence the limit of stability of the machine, and the transversal profile of the work piece have been shown to be • the relative position of the grinding wheel, regulating wheel and support blade of the work piece; • the width of the grinding wheel; • the harmonic response of the grinding machine frame.

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4

Cernaianu, Adrian Constantin, Dragos Tutunea, and Alexandru Dima. "Determination of Displacement of the Piece Center in the Process of Centerless Grinding." Applied Mechanics and Materials 823 (January 2016): 519–24. http://dx.doi.org/10.4028/www.scientific.net/amm.823.519.

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Chatter, geometric lobbing and work piece rotation problems are the main problems which affect the centerless grinding productivity. An original method was developed and implemented to determine the displacement of the centre of the piece in centerless grinding. Until now no functional tool has been developed to solve these coupled problems. In conclusion, future trends and research work in centerless grinding technology are analyzed and discussed.

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5

Lee, Seok Woo, Hon Jong Choi, S. H. Nam, and Young Jin Choi. "Reliability Prediction of Centerless Grinding Machine." Key Engineering Materials 291-292 (August 2005): 151–56. http://dx.doi.org/10.4028/www.scientific.net/kem.291-292.151.

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Along with the recent developments in the optical communication industry, the demand for optical communication components has increased. Ferrule is a significant element that determines transmission efficiency and quality of information in the optical communication area. Most ferrule machining entails grinding and this requires high processing precision. Therefore, the ultra precision centerless grinding machine for ferrule grinding was designed. The centerless grinding machine is composed of a high damping bed, grinding wheel spindle unit, regulating wheel spindle unit, feeding table and dressing unit. Reliability prediction is very important for the high quality design. In this study, reliability of the centerless grinding machine was predicted.

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6

Reshetnikova, Olga, Boris Iznairov, Alexei Vasin, Natalia Belousova, and Anastasia Panfilova. "Efficient parameter definition for working area at centerless grinding." Science intensive technologies in mechanical engineering, no. 5 (May 18, 2020): 23–28. http://dx.doi.org/10.30987/2223-4608-2020-5-23-28.

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A method for a ball blank centerless grinding is considered. A circuit is realized at the expense of the presence helical trapezoidal groove on a drive disk. It is shown that at a ball centerless grinding appears an error of basing on an operation dimension – a diameter of a spherical surface. A setting dimension is defined mathematically during the fulfillment of a technological operation of a ball centerless grinding and also an error of a setting dimension is defined.

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7

Blum, Andreas, Jannik Röttger, Raphael al Diban, Christian Weickhardt, Mathias Rudolph, Sebastian Barth, and Thomas Bergs. "Prozessüberwachung beim Spitzenlosschleifen/Process monitoring during centerless grinding - Use of vibration sensor technology for detecting wear-related changes in contact conditions." wt Werkstattstechnik online 111, no. 06 (2021): 390–96. http://dx.doi.org/10.37544/1436-4980-2021-06-34.

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Der konstruktive Aufbau von Spitzenlosschleifmaschinen erschwert die Implementierung von Sensorik zur Prozessüberwachung. Daher wird ein Sensorsystem zur Schwingungsmessung beim Spitzenlosschleifen vorgestellt, das auch zur Nachrüstung von Bestandsmaschinen geeignet ist. Die erfassten Daten während spitzenlosen Einstechschleifversuchen korrelierten in guter Näherung mit schleifscheibenverschleißbedingten Änderungen der Werkstückeigenschaften.   The design of centerless grinding machines makes it difficult to apply suitable sensors for process monitoring. This paper presents a sensor system for vibration monitoring during centerless grinding, which can also be used for retrofitting existing machines. The data recorded during centerless plunge grinding correlated in a good aproximation with changes in the workpiece properties related to grinding wheel wear.

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8

TAKASU, Shyuhei, and Masami MASUDA. "Centerless grinding for notched workpieces." Journal of the Japan Society for Precision Engineering 56, no. 6 (1990): 1069–74. http://dx.doi.org/10.2493/jjspe.56.1069.

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9

Hashimoto, Fukuo, Ivan Gallego, João F. G. Oliveira, David Barrenetxea, Mitsuaki Takahashi, Kenji Sakakibara, Hans-Olof Stålfelt, Gerd Staadt, and Koji Ogawa. "Advances in centerless grinding technology." CIRP Annals 61, no. 2 (2012): 747–70. http://dx.doi.org/10.1016/j.cirp.2012.05.003.

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10

Li, Hongqi, and Yung C. Shin. "A Time Domain Dynamic Simulation Model for Stability Prediction of Infeed Centerless Grinding Processes." Journal of Manufacturing Science and Engineering 129, no. 3 (October 26, 2006): 539–50. http://dx.doi.org/10.1115/1.2716729.

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This paper presents a comprehensive dynamic model that simulates infeed centerless grinding processes and predicts their instability-related characteristics. The new model has the unique ability of accurately predicting the coupled chatter and lobing process of a multi-degree of freedom and two-dimensional centerless grinding system by considering its critical issues. First, the model considers the complete two-dimensional kinematics, dynamics, surface profiles, and the geometrical interactions of the workpiece with the grinding wheel, regulating wheel, and supporting blade. Second, a two-dimensional distributed grinding force model along the contact length is adopted and modified for centerless grinding processes as a function of normalized uncut chip thickness. The forces of the work holding system are determined by balancing the grinding force and accordingly the work holding instability can be identified as well. Third, a two-dimensional contact deformation model under the condition of general surface profiles or pressure distributions is developed for the contacts of the workpiece with the grinding wheel, regulating wheel, and supporting blade. The new model is validated by comparing the predicted chatter and lobing occurrences with experimental results.

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11

Cui, Qi, Shi Jin Chen, Hui Ding, and Kai Cheng. "An Investigation on the Workpiece Roundness Generation in Centerless Grinding Based on the Integration of Virtual Machine Tool and Workpiece Material Removal Mechanism." Key Engineering Materials 667 (October 2015): 588–94. http://dx.doi.org/10.4028/www.scientific.net/kem.667.588.

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In order to respond to market rapidly, save design time, reduce the cost and particularly design the machine in a predictable and reliable manner, an approach based on the integration of virtual machine tool and workpiece material removal mechanism is proposed in this article for the investigation of centerless grinding process, the prediction of workpiece roundness generation and the evaluation of dynamic characteristics of grinding system. In this approach the machine structure model is firstly presented by incorporating the kinematic relationship of the feed drive system and the material dynamic parameters of the grinding system. Then the virtual machine tool model is built by the combination of the machine mechanical structure and the control loop. Finally the virtual centerless grinding is realized by integrating the virtual machine and the workpiece material removal mechanism through their coupled surface regeneration mechanism. The comparison of the experimental and theoretical results demonstrates that this virtual centerless grinding approach can investigate the workpiece roundness generation accurately.

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12

Wu, Yong Bo, Y. Fan, T. Tachibana, and M. Kato. "Effect of Ultrasonic Elliptic Vibration on Friction between Shoe and Workpiece in Ultrasonic Elliptic-Vibration Shoe Centerless Grinding." Key Engineering Materials 291-292 (August 2005): 33–38. http://dx.doi.org/10.4028/www.scientific.net/kem.291-292.33.

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This paper describes an experimental investigation of the effect of ultrasonic elliptic vibration of the shoe on the friction between the shoe and the workpiece in ultrasonic elliptic-vibration shoe centerless grinding, a new centerless grinding technique proposed previously by the present authors. In the new technique, an ultrasonic elliptic-vibration shoe is employed to control the workpiece rotational speed as a regulating wheel does in conventional centerless grinding. The grinding accuracy is affected significantly by the workpiece rotation stability, which is dependent on the frictional force between the workpiece and the ultrasonic elliptic-vibration shoe. The issue relating to the friction between the workpiece and the shoe is therefore very important in the complete establishment of the new centerless grinding technique. In the present work, in order to clarify the effect of ultrasonic elliptic vibration of the shoe on the frictional coefficient and to determine the appropriate ultrasonic elliptic vibration conditions, a measurement apparatus was built up in-house and used to measure the frictional coefficient under the presence and absence of the ultrasonic elliptic vibration. The measurement results indicated that the frictional coefficient decreases with increase in the size of the ultrasonic elliptic motion, and a shape of the elliptic motion, in which the frictional coefficient reaches maximum, exists.

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13

Fan, Yu Feng, Xian Ju Tang, Shao Hui Yin, and Yong Jian Zhu. "Application of Ultrasonic Vibration Shoe Centerless Grinding Technique to Micro-Scale Parts Fabrication." Advanced Materials Research 97-101 (March 2010): 2518–22. http://dx.doi.org/10.4028/www.scientific.net/amr.97-101.2518.

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The present authors proposed a new centerless grinding technique for the fabrication of microscale pin-shaped parts. The new technique uses an ultrasonic vibration shoe whose structure and dimensions was determined in detail by FEM analysis instead of a regulating wheel as in conventional centerless grinding. The workpiece is supported by the end face of the shoe and the blade, and the rotational motion is controlled by the micro elliptic motion generated on the end face of the shoe. a shoe was made and installed on an existing centerless grinder to perform actual microscale centreless grinding operations involving a tungsten carbide pin-shaped workpiece 0.6 mm in diameter and 15mm in length. The experimental result gave a microscale workpiece 75μm in diameter and 15 mm in length.

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14

Hashimoto, Fukuo, and Hiroto Iwashita. "The Effect of Grinding Wheel Contact Stiffness on Plunge Grinding Cycle." Inventions 5, no. 4 (December 16, 2020): 62. http://dx.doi.org/10.3390/inventions5040062.

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This paper presents the effect of grinding wheel contact stiffness on the plunge grinding cycle. First, it proposes a novel model of the generalized plunge grinding system. The model is applicable to all plunge grinding operations including cylindrical, centerless, shoe-centerless, internal, and shoe-internal grinding. The analysis of the model explicitly describes transient behaviors during the ramp infeed and the spark-out in the plunge grinding cycle. Clarification is provided regarding the premise that the system stiffness is composed of machine stiffness and wheel contact stiffness, and these stiffnesses significantly affect productivity and grinding accuracy. The elastic deflection of the grinding wheel is accurately measured and formulas for representing the deflection nature under various contact loads are derived. The deflection model allows us to find the non-linear contact stiffness with respect to the normal load. The contact stiffnesses of four kinds of grinding wheels with different grades and bond materials are presented. Both cylindrical grinding and centerless grinding tests are carried out, and it is experimentally revealed that the time constant at ramp infeed and spark-out is significantly prolonged by reducing the grinding force. It is verified that a simulation of the grinding tests using the proposed model can accurately predict critical parameters like forces and machine deflection during plunge grinding operations. Finally, this paper provides a guideline for grinding cycle design in order to achieve the required productivity and grinding accuracy.

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15

Cernaianu, Adrian. "The Analysis of the Temperature Influence on the Processing Precision in Centerless Grinding Machines." Applied Mechanics and Materials 659 (October 2014): 331–36. http://dx.doi.org/10.4028/www.scientific.net/amm.659.331.

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In this paper it is presented an analysis regarding the influence of temperature from the chipping area, in the machining by centerless grinding with transversal feed. The temperature influences the machining precision, the additional loads of the machine – device – tool – part elastic system and the measurement accuracy. These influences have direct impact on the precision and quality of the machined parts executed using the centerless grinding process.

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16

Wu, Yong Bo, Wei Xing Xu, M. Fujimoto, and T. Tachibana. "Ceramic Balls Machining by Centerless Grinding Using a Surface Grinder." Advanced Materials Research 325 (August 2011): 103–9. http://dx.doi.org/10.4028/www.scientific.net/amr.325.103.

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This paper proposes a novel method for machining ceramic balls by centerless grinding technique performed on a surface grinder. In this method, a compact unit consisting mainly of an ultrasonic shoe, an ultrasonic regulator, a relay controller, a blade, a stopper and their respective holders is installed on the worktable of a surface grinder to conduct centerless grinding operations of ceramic balls. The ultrasonic shoe and regulator are produced by bonding a piezoelectric ceramic device (PZT) onto a metal elastic body, and when two phases of AC voltage are applied to the PZT an elliptic motion occurs on their end-faces which can be used to control the ball rotational motion in the radial and axial direction of the wheel, respectively. The function of the relay controller is to regulate the alternating current “on” and “off” time which is applied on the regulator for achieving the whole spherical surface grinding process. A grinding unit was actually constructed and it was experimentally confirmed that the ball rotational speed can be controlled well by the shoe or regulator. Grinding tests were subsequently carried out and the obtained results indicated that the constructed grinding unit performed well on actual ball centerless grinding operations.

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17

Ye, Bang Yan, Xiao Chu Liu, Jian Ping Liu, and Xue Zhi Zhao. "New Method of Pre-Stress Grinding for Gearlike Cylindrical Surface of Linear Bearing." Key Engineering Materials 304-305 (February 2006): 593–0. http://dx.doi.org/10.4028/www.scientific.net/kem.304-305.593.

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Gearlike cylindrical structure can be used as outer ring of linear bearing for saving material, but the machined surface quality and roundness of this kind of bearing is beyond control in cylindrical grinding and machining efficiency is low. To solve these problems, a new method of pre-stress grinding for gearlike cylindrical surface of linear bearing is put forward based on analysis on the principle of cylindrical centerless grinding. For implementing this process, a set of device with expanding mandrel for loading tensile pre-stress on bearing ring is designed and experiment of through-feed grinding is carried out on centerless grinder. The experimental results show that this method can get fine quality of machined surface and increase the grinding efficiency greatly.

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18

Zhang, Bi, Zhongxue Gan, Yanhua Yang, and Trevor D. Howes. "Workholding Stability in Shoe Centerless Grinding." Journal of Manufacturing Science and Engineering 121, no. 1 (February 1, 1999): 41–48. http://dx.doi.org/10.1115/1.2830573.

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The workholding stability problem has been one of the critical issues in shoe centerless grinding since it can directly affect the grinding process, and therefore cause the surface quality and the dimensional accuracies of a workpiece to deteriorate. In order to solve the problem, this paper investigates the underlying workholding mechanism of a shoe centerless grinding system, and proposes theoretical models to predict the driving capability of the system. The models are verified by an experimental study. It is made clear that workholding stability is achievable if the driving capability of the drivehead is matched by the constraint capability of the workholding system. Based on the models, workholding stability conditions are established that can serve as a guideline to the manufacturing industry.

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19

Zakharov, O. V. "Guide wheels of centerless grinding machines." Russian Engineering Research 29, no. 4 (April 2009): 388–92. http://dx.doi.org/10.3103/s1068798x09040133.

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20

WU, Yongbo, Katsuo SYOJI, and Tsunemoto KURIYAGAWA. "Studies on Centerless Grinding(1st Report)." Journal of the Japan Society for Precision Engineering 61, no. 3 (1995): 411–14. http://dx.doi.org/10.2493/jjspe.61.411.

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21

WU, Yongbo, Katsuo SYOJI, Tsunemoto KURIYAGAWA, and Toru TACHIBANA. "Studies on Centerless Grinding (2nd Report)." Journal of the Japan Society for Precision Engineering 62, no. 3 (1996): 433–37. http://dx.doi.org/10.2493/jjspe.62.433.

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22

Brecher, C., and S. Hannig. "Simulation of plunge centerless grinding processes." Production Engineering 2, no. 1 (November 21, 2007): 91–95. http://dx.doi.org/10.1007/s11740-007-0073-1.

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23

Hashimoto, Fukuo. "Dynamic Rounding Stability in Through-Feed Centerless Grinding." Inventions 5, no. 2 (April 29, 2020): 17. http://dx.doi.org/10.3390/inventions5020017.

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The through-feed method in centerless grinding allows manufacturers to produce cylindrical parts at much higher levels of productivity than can be achieved with in-feed grinding, so it has been extensively employed in industry. However, its rounding mechanism is not yet well understood due to the complexity of the through-feed process. This paper presents the fundamental parameters, such as material removal rates, forces, and so on in the through-feed grinding, and analyses on the grinding system with feedback loops, including regenerative functions and the machine dynamic functions. Further, the characteristic roots of the system, representing the number of waves and the growth rates of the harmonics in roundness, are identified at each grinding position from entry to exit. To evaluate the grinding process stability, a rounding stability index (RSI) was proposed. It was demonstrated that the analytical tool modeled in this paper can identify the optimum operational conditions by the RSI for achieving desired grinding productivity and accuracy. Finally, the model is verified with grinding tests, and the nm-order roundness obtained by the tests is shown.

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24

Romanenko, Andrey M., Dmitry B. Shatko, Andrey A. Nepogozhev, and Pavel A. Strelnikov. "Evaluation of the Possibilities of Processing High-Alloy Corrosion-Resistant Steels during Grinding Operations." Materials Science Forum 1037 (July 6, 2021): 603–13. http://dx.doi.org/10.4028/www.scientific.net/msf.1037.603.

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The issues of processing high-alloy corrosion-resistant steels by the method of centerless cylindrical grinding are considered in the article. Experimental data on changes in the parameters of roughness and hardness of a workpiece depending on the depth of cut, the speed and the design features of a control wheel are presented. The change in the microhardness of a part depending on the depth of cut is analyzed. Much attention is paid to the study of thermal stress of the grinding process. Images of temperature changes in the cutting zone depending on the grinding wheel characteristics are shown. Conclusions in the form of practical recommendations for improving high-alloy steel processing by the method of centerless grinding are formulated on the basis of the results obtained.

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25

Xu, Wei Xing, Yong Bo Wu, Takashi Sato, Z. Liang, and Wei Min Lin. "Experimental Study of Tangential-Feed Centerless Grinding Process Performed on Surface Grinder." Materials Science Forum 626-627 (August 2009): 17–22. http://dx.doi.org/10.4028/www.scientific.net/msf.626-627.17.

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In our previous study, a new centerless grinding method using surface grinder was proposed. In this method, a compact unit consisting mainly of an ultrasonic elliptic-vibration shoe, a blade, and their respective holders is installed on the worktable of a multipurpose surface grinder to conduct tangential-feed centerless grinding operations. For the complete establishment of this new method, firstly in this paper workpiece rotational speed control tests were carried out to make sure that the workpiece rotational speed is exactly controlled by the elliptic vibration of shoe to achieve high-precision centerless grinding. Then, the effects of the process parameters such as the worktable feed rate, the stock removal and the workpiece rotational speed on the workpiece roundness were clarified experimentally. The obtained results showed that (1) The workpiece rotational speed can be controlled exactly by the shoe ultrasonic vibration, (2) The roundness is improved with the increases in the voltage applied and the stock removal, but the decrease in the worktable feed rate; The best roundness obtained was 0.84m.

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26

Zhang, Hong, Jungshen Lieh, David Yen, Xiaozhong Song, and Xiaojian Rui. "Geometry Analysis and Simulation in Shoe Centerless Grinding." Journal of Manufacturing Science and Engineering 125, no. 2 (April 15, 2003): 304–9. http://dx.doi.org/10.1115/1.1557299.

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In this paper, the geometry relationship of shoe centerless grinding for predicting the profile of workpiece is presented. Based on the model, critical parameters are studied. The model was compared with experimental results obtained from grinding trials.

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27

Bueno, R., M. Zatarain, J. M. Aguinagalde, and F. Le Maître. "Geometric and Dynamic Stability in Centerless Grinding." CIRP Annals 39, no. 1 (1990): 395–98. http://dx.doi.org/10.1016/s0007-8506(07)61081-6.

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28

Yang, Yanhua, Bi Zhang, and Jiexin Wang. "Vacuum-Preloaded Hydrostatic Shoe for Centerless Grinding." CIRP Annals 48, no. 1 (1999): 269–72. http://dx.doi.org/10.1016/s0007-8506(07)63181-3.

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29

TACHIBANA, Toru, and Satoshi KOBAYASHI. "Automatization of Changeover for Centerless Thrufeed Grinding." Journal of the Japan Society for Precision Engineering 75, no. 7 (2009): 826–29. http://dx.doi.org/10.2493/jjspe.75.826.

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30

Chien, A. Y. "The harmonic vibration models in centerless grinding." International Journal of Machine Tool Design and Research 26, no. 4 (January 1986): 349–58. http://dx.doi.org/10.1016/0020-7357(86)90027-2.

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31

WU, Yongbo, Katsuo SYOJI, Tsunemoto KURIYAGAWA, Toru TACHIBANA, and Masana KATO. "Evaluation of Grinding Conditions Using Dynamic Components of Grinding Force in Centerless Grinding." Journal of the Japan Society for Precision Engineering 67, no. 9 (2001): 1443–47. http://dx.doi.org/10.2493/jjspe.67.1443.

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32

Bazuev, I. V., Yu V. Pribytkov, I. A. Kovaleva, and I. A. Ovchinnikova. "A DETAILED STUDY OF THE PERFORMANCE AND OPTIMAL CHOICE OF ABRASIVE FOR WET GRINDING OF HIGH-ALLOYED STEELS." Litiyo i Metallurgiya (FOUNDRY PRODUCTION AND METALLURGY), no. 2 (July 7, 2018): 94–98. http://dx.doi.org/10.21122/1683-6065-2018-2-94-98.

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In the pipe-rolling shop, on the site of preparation of mandrels and disc saws were the centerless turning and grinding complex VT-8 «Hetran» for repair of mandrels are used, studies have been conducted to test experienced grinding belts. The choice was based on a comparative analysis of the work of experienced grinding belts with usual industrial grinding belts. The resistance of grinding belts for one mandrel is calculated. A positive result (economic effect) was obtained by using experienced grinding belts.

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33

WU, Yongbo, Katsuo SYOJI, Tsunemoto KURIYAGAWA, and Toru TACHIBANA. "Studies on Centerless Grinding (3rd Report). Evaluation Function of Grinding Conditions." Journal of the Japan Society for Precision Engineering 65, no. 6 (1999): 862–66. http://dx.doi.org/10.2493/jjspe.65.862.

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34

Kim, H. Y., S. R. Kim, J. H. Ahn, and S. H. Kim. "Process monitoring of centerless grinding using acoustic emission." Journal of Materials Processing Technology 111, no. 1-3 (April 2001): 273–78. http://dx.doi.org/10.1016/s0924-0136(01)00533-7.

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35

Takasu, S., M. Masuda, and K. Okamura. "Heavy-Duty Centerless Grinding for Multi-Diameter Shafts." CIRP Annals 37, no. 1 (1988): 323–26. http://dx.doi.org/10.1016/s0007-8506(07)61645-x.

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36

Zhou, S. Steven, and Richard P. Lindsay. "Improving Workpiece Roundness through Centerless Grinding Cycle Optimization." CIRP Annals 46, no. 1 (1997): 217–22. http://dx.doi.org/10.1016/s0007-8506(07)60812-9.

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37

Brzhozovskii, B. M., and O. V. Zakharov. "Support inclination in centerless grinding of conical surfaces." Russian Engineering Research 33, no. 4 (April 2013): 227–28. http://dx.doi.org/10.3103/s1068798x13040059.

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38

Vasin, A. N., B. M. Iznairov, and A. P. Bochkarev. "Shaping in the centerless grinding of hollow spheres." Russian Engineering Research 33, no. 8 (August 2013): 490–94. http://dx.doi.org/10.3103/s1068798x13080157.

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39

Kim, Kang. "Modeling of the centerless infeed (plunge) grinding process." KSME International Journal 17, no. 7 (July 2003): 1026–35. http://dx.doi.org/10.1007/bf02982987.

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40

Kim, Kang. "Modeling of the centerless through-feed grinding process." KSME International Journal 17, no. 7 (July 2003): 1036–43. http://dx.doi.org/10.1007/bf02982988.

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41

WU, Yongbo, Katsuo SYOJI, Tsunemoto KURIYAGAWA, and Toru TACHIBANA. "Studies on Centerless Grinding. Influeuce of Grinding Wheel Irregularity on Workpiece Roundness." Transactions of the Japan Society of Mechanical Engineers Series C 66, no. 649 (2000): 3162–67. http://dx.doi.org/10.1299/kikaic.66.3162.

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42

Reshetnikova, Olga, Boris Iznairov, Alexei Vasin, Natalia Belousova, and Anastasia Panfilova. "Definition of setting total error value at centerless ball grinding." Science intensive technologies in mechanical engineering 2021, no. 2 (February 28, 2021): 14–19. http://dx.doi.org/10.30987/2223-4608-2021-2-14-19.

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There is defined a total basing error arising during centerless ball grinding using driving disk helical grooves with different forms. On the basis of computations there is offered a design of a driving disk with the trapezoidal helical groove. A design of a supporting knife which allows carrying out efficiently an automatic position correction of the measuring base of operation size during ball grinding is offered.

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43

Zhou, S. S., J. R. Gartner, and T. D. Howes. "Lobing Behavior in Centerless Grinding—Part I: Stability Estimation." Journal of Dynamic Systems, Measurement, and Control 119, no. 2 (June 1, 1997): 153–59. http://dx.doi.org/10.1115/1.2801227.

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This two-part paper addresses the lobing behavior associated with centerless grinding. Part I establishes a system model (the lobing loop) for lobing analysis and develops methodologies for lobing stability analysis, and Part II investigates lobing characteristics and proposes remedies for lobing suppression. The lobing loop shows that lobing behavior is of kinematic nature, caused by the interaction between the geometric rounding mechanism and regenerative cutting mechanism. A bidiagram-matical method is subsequently developed for lobing stability estimation. It was found that lobing is inherently unstable, and the characteristic roots of the lobing loop are limited within their respective root neighborhoods in the u-plane. This leads to: (1) a method of lobing stability estimation using the growth rate boundaries, and (2) an efficient way of solving for the characteristic roots using a Taylor’s series approximation. The availability of growth rate boundaries and characteristic root distribution provides an effective tool for the control of lobing in centerless grinding.

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Джугурян Т.Г., Марчук В.І., and Марчук І. В. "CALCULATION OSCILLATIONS OF VARIOUS ELEMENTS OF THE ELASTIC SYSTEM OF THE CENTER-FREE GRINDING MACHINE SASL 5AD." Перспективні технології та прилади, no. 16 (August 31, 2020): 160–65. http://dx.doi.org/10.36910/6775-2313-5352-2020-16-23.

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During the design of operations of centerless intermittent grinding of surfaces there is a need to identify the natural frequencies of oscillations of the elements of the technological system of grinding. The method of calculation of rigidity, vibration resistance and forced oscillations of the elements of the circular grinding machine is offered in the article. Carrying out of experimental researches of rigidity of elastic system of the SASL 5AD grinding machine. We conducted preliminary experimental studies to measure the oscillations of various elements of the elastic system of the SASL 5AD grinding machine in the horizontal plane by piezoelectric sensors during grinding with continuous and discontinuous circles with different geometric parameters.

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Shih, Albert J. "A New Regulating Wheel Truing Method for Through-Feed Centerless Grinding." Journal of Manufacturing Science and Engineering 123, no. 2 (July 1, 2000): 319–24. http://dx.doi.org/10.1115/1.1366684.

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A new regulating wheel truing method for through-feed centerless grinding is presented. In conventional regulating wheel truing systems, a single-point diamond tool is traversed across the regulating wheel in a straight line. The interference between the regulating wheel and workpiece exists. This interference problem, a main source of error in precision through-feed centerless grinding, is due to the radius of curvature of the regulating wheel and workpiece. A new concept for regulating wheel truing is developed to eliminate the interference problem. In this new truing system, the rotary diamond truing tool has the same size as the finished workpiece, locates at the same center-height of the workpiece, and moves across the regulating wheel in the direction parallel to axes of workpiece and grinding wheel. A mathematical model is developed to calculate the surface profile for the regulating contact and to study the curved line of contact between workpiece and regulating wheel. An example is used to illustrate the model and to demonstrate that the interference between regulating wheel and workpiece has been eliminated.

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Fan, Yu Feng, Yong Jian Zhu, and Shao Hui Yin. "Optimum Geometrical Arrangement of Workpiece in the Ultrasonic Vibration Shoe Centerless Grinding." Advanced Materials Research 97-101 (March 2010): 4100–4105. http://dx.doi.org/10.4028/www.scientific.net/amr.97-101.4100.

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This paper clarifies the influence of the geometrical arrangement of the workpiece on workpiece roundness in the ultrasonic elliptic-vibration shoe centerless grinding, and determines an optimum geometrical arrangement for minimizing the roundness error of the workpiece. The influences of the geometrical arrangements of the workpiece on workpiece roundness were investigated by computer simulation and practical grinding operations involving pin shaped workpieces. The experimental results agreed closely with those obtained by the simulation, the results of simulation and grinding tests indicated that the final roundness error of the workpiece after grinding reaches a minimum at a particular angle number (= + =7) for various values of the blade angle.

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Lee, Eun Sang, and Jung Hyung Lee. "A Study on Optimum Condition of Centerless Grinding Machine for Ferrule Using Taguchi Method and Response Surface Method." Key Engineering Materials 329 (January 2007): 9–14. http://dx.doi.org/10.4028/www.scientific.net/kem.329.9.

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The surface roughness in centerless grinding is mainly affected by the many process parameters. For decreasing the surface roughness, the control of grinding parameters is very important. This paper deal with the analysis of the process parameters such as height of centers, tilting angle of the regulating wheel, speed of the regulating wheel, developed based on Taguchi method and response surface method. The effect of grinding parameters on the surface roughness was evaluated the utilization of the response surface model was evaluated with constraints of the surface roughness.

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Oh, Jung Soo, Chang Rae Cho, Hidehiro Tsukishima, Soon Joo Cho, Chung Hong Park, Jeong Seok Oh, In Bum Whang, Won Jae Lee, and Seok Il Kim. "Development of Multi-functional Centerless Grinding System with 600 mm Wide Grinding Wheels." Journal of the Korean Society for Precision Engineering 30, no. 11 (November 1, 2013): 1129–37. http://dx.doi.org/10.7736/kspe.2013.30.11.1129.

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WU, Y., Y. FAN, M. KATO, and T. TACHIBANA. "Rounding Process of Workpiece in Centerless Through-feed Grinding with Large Grinding Allowance." Proceedings of The Manufacturing & Machine Tool Conference 2002.4 (2002): 145–46. http://dx.doi.org/10.1299/jsmemmt.2002.4.145.

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Bhattacharyya, Kingshook, and Amalendu Mukherjee. "Modeling and simulation of centerless grinding of ball bearings." Simulation Modelling Practice and Theory 14, no. 7 (October 2006): 971–88. http://dx.doi.org/10.1016/j.simpat.2006.05.003.

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