Relevant bibliographies by topics / Grinding machine stability

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Grinding machine stability'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Grinding machine stability"

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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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Leonesio, Marco, Giacomo Bianchi, and Nicola Cau. "Design criteria for grinding machine dynamic stability." Procedia CIRP 78 (2018): 382–87. http://dx.doi.org/10.1016/j.procir.2018.09.070.

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Lei, Xiang Yang, Hao Huang, Shi Han Zhang, Jian Wang, Qiao Xu, and Yin Biao Guo. "A Novel CAM System with X/Y/Z 3-Axis Machines for Large Scale Aspheric Lens Grinding." Applied Mechanics and Materials 37-38 (November 2010): 23–31. http://dx.doi.org/10.4028/www.scientific.net/amm.37-38.23.

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According to needs of aspheric lens grinding and measurement with X/Y/Z 3-axis grinding machines, a CAM system is designed and implemented. The system, based on the parallel grinding geometry model, has realized the function of grinding locus planning, form error compensation, NC program auto-generation, on-machine measurement, grinding wheel on-machine measurement, simulation and technical database. To verify the stability of this CAM system, experiments were performed with three independent machining experiments. The experimental results indicate that the system realized the whole process of aspheric grinding, and it improved the machining efficiency and automation. Especially, this system adopted on-machine form error compensation technology and improved the machining accuracy. By implementing the error compensation integrated in the CAM system, the surface form error of a 430mm×430mm aspheric lens is decreased from PV8.2µm to PV4.1µm. The grinding accuracy was improved 100%.
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Zheng, Y. G., W. G. Liu, Bin Jiang, Hang Gao, and S. G. Zheng. "Development of CBN Internal Grinding Machine for Precision Grinding of the Air-Conditioner Compressor Piston Hole." Advanced Materials Research 76-78 (June 2009): 43–48. http://dx.doi.org/10.4028/www.scientific.net/amr.76-78.43.

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According to the demand for internal grinding machine in precise machining of air-conditioner compressor piston hole, a kind of high precise CNC internal grinding machine with CBN wheel is developed by adopting self-adaptive control for grinding process. Meanwhile, grinding precision and stability are achieved by overcoming many problems emerging from high-speed grinding process with CBN wheel. More than 100000 times’ grinding experimental results show that the whole performance of grinding machine developed is the same as that of the same kind of international machine. In order to study grinding mechanism with CBN wheels and then improve machine’s capability, grinding data in several machining cycles is analyzed.
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Han, Qing Kai, Tao Yu, Zhi Wei Zhang, and Bang Chun Wen. "Nonlinear Stability and Bifurcation of Multi-D.O.F. Chatter System in Grinding Process." Key Engineering Materials 304-305 (February 2006): 141–45. http://dx.doi.org/10.4028/www.scientific.net/kem.304-305.141.

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The nonlinear chatter in grinding machine system is discussed analytically in the paper. In higher speed grinding process, the self-excited chatter vibration is mostly induced by the change of grinding speed and grinding wheel shape. Here the grinding machine tool is viewed as a nonlinear multi-D.O.F. autonomous system, in which hysteretic factors of contact surfaces are also introduced. Firstly, the DOFs of the above system are reduced efficiently without changing its dynamic properties by utilizing the center manifold theorem and averaging method. Then, a low dimensional system and corresponding averaging equations are obtained. The stability and bifurcation of chatter system are discussed on the base of deduced averaging equations. It is proved that chatter occurs as a Hopf bifurcation emerging from the steady state at the origin of system. The theoretical analyses on the multi-DOF chattering system will lead to further understanding of the nonlinear mechanisms of higher speed grinding processes.
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Saleh, Tanveer, and Mustafizur Rahman. "A System Development Approach for Electrolytic In-Process Dressing (ELID) Grinding." International Journal of Automation Technology 5, no. 1 (January 5, 2011): 21–29. http://dx.doi.org/10.20965/ijat.2011.p0021.

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This study aims to present the development and performance evaluation of an ultra-precision ELID grinding machine. The machine is a 3-axis machine, including three conventional linear axes (X,Y, andZ). On top, another rotational axis has been included to assist aspheric/spherical lens grinding. In order to introduce intelligence to the machine, several on-machine measuring systems have been developed and incorporated. In ELID grinding, pulsed DC voltage is applied to the metal-bonded diamond wheels to ensure the constant protrusion of sharp cutting grit throughout the grinding cycle. The peak dressing voltage is kept constant irrespective of the wheel sharpness in conventional ELID grinding, which may lead to over dressing of the grinding wheel. The grinding force ratio, also known asKvalue, is an indicator of grit sharpness. In this study, a new approach to wheel dressing is proposed: the peak dressing voltage is varied according to the change in theKvalue during grinding. In conventional ELID grinding, the duty ratio of the dressing power supply is kept constant throughout the grinding cycle. However, this method does not achieve grinding wheel truing, which is very important to maintaining the stability of the grinding. This research work proposes a novel approach to wheel truing by controlling the dressing voltage duty ratio for ELID grinding.
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Zhang, Tao Chuan. "Design of Cemented Carbide Face Automation Grinder Based on Constant Force Grinding and Online Measurement Technology." Advanced Materials Research 712-715 (June 2013): 2742–46. http://dx.doi.org/10.4028/www.scientific.net/amr.712-715.2742.

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A set of face automation grinder is designed aimed at the cemented carbide characteristics of high hardness, high wear resistance, and good dimensional stability,and automatic grinding process is divided into three stages of coarse grinding,accurate grinding and light grinding; Constant force feed system is designed using servo drive mechanism and pneumatic mechanism; Using on-line measurement and grinding support institutions, the grinding process real-time monitoring and real-time processing size measurement are realized; With PLC as the central control unit automatic control system is designed for the grinding force control, measurement data processing and feedback show and grinding process control; The machine design idea is provided the references for other grinding machine automation design.
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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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Jiang, Zhuoda, and Yongyi He. "Research on Stability Prediction of the Crankshaft CNC Tangential Point Tracing Grinding." Mathematical Problems in Engineering 2015 (2015): 1–10. http://dx.doi.org/10.1155/2015/106159.

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As the key part of internal combustion engines, crankshaft with high efficiency and accuracy processing has always been the target of the engine manufacturer’s pursuit. Grinding is used to obtain the ultimate dimensional accuracy and surface finish in the crankshaft machining. Grinding of the main journals and the pin journals can be accomplished in a single clamping operation by CNC Tangential Point Tracing grinding technology. However, the chatter in the grinding process is harmful to the precision and surface quality. In this paper, stability lobe diagram is developed to predict the grinding chatter. First the dynamic model of Tangential Point Tracing grinding system is established. Then the limit formula of the critical grinding depth is calculated and the stability lobe diagram of the grinding system is presented. Finally, the validation experiments are carried out on the crankshaft grinding machine and the results are consistent with the calculation.
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Zhao, Yong Qiang, Sheng Dun Zhao, and Hong Ling Hou. "Precision Grinding Process Design of Twin-Screw Compressor Rotor." Advanced Materials Research 774-776 (September 2013): 1107–11. http://dx.doi.org/10.4028/www.scientific.net/amr.774-776.1107.

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With the accuracy improvement of twin-screw compressor rotor machining, higher requirement of crew rotor grinded equipment and grinding process is put forward. Based the theory of screw grinding and CNC forming grinding wheel dress technology, the relationship between machine working parameters, CNC grinding wheel dressing parameters and screw rotor grinded process parameters are investigated, and the relationship between CNC grinding wheel dressing parameters and the screw rotor grinded process parameters is established, and its formulas are presented to describe the distances between grinding wheel axis and screw rotor axis. Through these formulas, the CNC wheel dressing program could be designed easily, the performance and efficiency of machine would be improved, and especially the machining quality of screw rotor would be enhanced and becomes more stability.
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Dissertations / Theses on the topic "Grinding machine stability"

1

Johnson, S. P. "An investigation into below centre centreless grinding." Thesis, Coventry University, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.234797.

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Book chapters on the topic "Grinding machine stability"

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Stegić, Milenko, Nikola Vranković, Marko Rastija, Željko Goja, and Danijel Barjašić. "Comparative Stability Analysis of Chatter in Grinding Process." In Advances in Mechanism and Machine Science, 4025–32. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-20131-9_401.

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Maraje, Siddharth, Jean-Christophe Fauroux, Chedli-Belhassen Bouzgarrou, and Lounis Adouane. "Stability analysis of an asbestos removal mobile manipulator for safe grinding trajectories." In Advances in Mechanism and Machine Science, 2349–58. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-20131-9_232.

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Cakmakci, Mehmet, Ece Sonmez, and Melis Kucukyasar. "An Application Using Stability Increasing for the Grinding Machine Performance Improvement in the Automobile Industry." In Lecture Notes in Management and Industrial Engineering, 81–90. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-76724-2_7.

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Conference papers on the topic "Grinding machine stability"

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Simnofske, Marc, and Ju¨rgen Hesselbach. "The Increase of the Dynamic and Static Stiffness of a Grinding Machine." In ASME 2006 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2006. http://dx.doi.org/10.1115/detc2006-99740.

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The dynamic stiffness of a grinding machine influences the process stability enormously. Among other things the stability of the grinding process is affected by influences like the specification of the grinding wheel, the condition of the workpiece and machine parameters. Unfavorable combinations of these lead to chatter vibrations of the machine and chatter marks on the workpiece. This paper presents the results of experimental and theoretical investigations of the vibration behavior of a grinding machine and the design of active modules. These modules will be implemented in the structure of the machine to minimize the vibrations and additionally increase its static stiffness of the machine.
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Boldering, Alexander L., Marc Simnofske, Annika Raatz, and Ju¨rgen Hesselbach. "Active Vibration Reduction to Optimize the Grinding Process." In ASME 2009 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/detc2009-86976.

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High production quality and processing velocity characterizes an efficient machine tool. Higher velocities lead to increasing process forces, hence the stiffness of the machine must be high. Especially in grinding, the dynamic stiffness of a machine influences the process stability enormously. The stability of the grinding process is affected by the specification of the grinding wheel, machine parameters and the condition of the workpiece. Chattering is simply a consequence of vibration within a grinding system. At present, parts of the machine tools (structures, drives, measuring systems, etc.) are constantly being improved. However, a better performance can only be achieved by applying innovative basic approaches. In this paper, a grinding machine with integrated active modules is presented. The aim of the modules, which consist of piezo actuators and force transducers, is to increase the static and dynamic stiffness of the structure and minimize vibrations.
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Uhlmann, E., F. Sammler, F. Heitmueller, L. Hochschild, and C. Sammler. "Process Stability and Energy Efficiency of the Grinding Process of High Performance Materials." In ASME 2012 International Manufacturing Science and Engineering Conference collocated with the 40th North American Manufacturing Research Conference and in participation with the International Conference on Tribology Materials and Processing. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/msec2012-7297.

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The application of high performance materials can lead to enhanced product properties. The associated challenging material properties set higher demands on the manufacturing processes. However, the ever-present demand for cost reduction of the manufacturing processes conflicts with the continuously increasing demands on product quality. In principle, higher surface quality results in higher energy consumption. Higher geometrical demands in combination with difficult to cut materials lead to increasingly complex machine tool and subsystem solutions, which also contribute to the higher energy consumption. However, the full potential of a process is often not utilized in order to ensure that damages to the workpiece at the end of cost intensive and long value chains are avoided. This leads to the situation that complex machine tools equipped with high performance tools operate under significantly reduced productivity. This means that the production process itself must be reliable in particular during high performance machining. In this paper, various grinding strategies were regarded in terms of possible increase in productivity and process stability. Furthermore a nonconventional option of flexible machining is presented. It will be shown that the process of speed stroke grinding of ceramic materials can be used as a highly productive alternative to reciprocating grinding and external cylindrical grinding with grooved cBN-grinding-wheels for example in the grinding of rolling bearing rings. The machining of high performance materials with simple machine concepts, such as robots, is presented with regards to more flexibility and at the same time machine accuracies comparable to these machine tools.
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Ahrens, Markus, Ruben Fischer, Matthias Dagen, Berend Denkena, and Tobias Ortmaier. "Active Chatter Damping in Plunge Grinding Using Magnetic Actuators." In ASME 2014 International Manufacturing Science and Engineering Conference collocated with the JSME 2014 International Conference on Materials and Processing and the 42nd North American Manufacturing Research Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/msec2014-4111.

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In cylindrical plunge grinding with conventional grinding wheels, self-excited vibrations are one of the most limiting factors in terms of productivity and process stability. Initial vibration related to the dynamic behavior of the workpiece and machine copy on the grinding wheel, causing an increasing waviness due to uneven wear and therefore, an increasing vibration of the workpiece. These self-excited oscillations lead to many expensive true-running cycles in order to ensure high workpiece quality and process stability. In this context, we present an abrasion manipulation system for active vibration control using a self-built magnetic actuator to influence the tool wear and prevent the development of wheel-sided chatter. Estimation of the grinding wheel’s surface waviness has been achieved using a surface model, which parameters are estimated by a recursive-least-square-algorithm (rls), exclusively using data of workpiece movement. Using the estimated tool-surface-signal to predict forces onto the workpiece, it is possible to compensate them by the actuator and impend the development of waves on the wheel’s surface. The concept has been applied to a standardized plunge grinding process demonstrating successful chatter suppression at a former instable process.
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