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2016-11-1 · The grinding temperature field and its changing process can be calculated by FEM as shown in Figs. 8 and 9, and both figures were obtained in dry and wet grinding conditions. Fig. 8 shows the temperature field distribution at a certain time, and Fig. 9 shows the temperatures at different depth varying with time
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2016-8-5 · A three-dimensional thermal model that the grinding wheels are simplified as a moving heat source in the rail grinding process was established and used to explore the effect of grinding parameters on the temperature field of ground rail
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2018-5-12 · Gear form grinding is a method for precision machining of gears. However, the instantaneous high temperature generated in the grinding zone always cause tooth surface burn due to incorrect processing parameter selection. To optimize the grinding process parameters and prevent tooth surface burn, mathematical model of generation and conduction of heat in the process of gear form grinding is
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In this work were analyzed objective laws of material allowance removal that are common for different schemes of grinding with the use of field theory. Each level of the working surface of the circle corresponds to a certain scalar quantity, which characterizes the relative reference surface area of the diamond grains and the total grain width at this level
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2012-7-6 · July 6, 2012. Quite often medical tools are complex and have irregular shapes, so innovative fixturing is a key to success. St. Henry, Ohio-based Tru-Edge Grinding Inc., started in 1996, has prospered designing and grinding cutting tools for metalworking applications. Recently, however, it has been applying its grinding expertise to surgical
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2018-2-25 · The study focus about the status of the grinding temperature has been changed from static to transient. A model has been built of the grinding temperature field based on the finite element method (FEM). The dynamic temperature distribution of a workpiece during the whole grinding process
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The grinding process is one of the most important finishing processes in production industry. During the grinding process the workpiece is subjected to mechanical and thermal loads. They can induce thermal damages in terms of phase transformation due to critical temperature history. A holistic model helps to describe and predict the influence of these loads on the residual stresses in the
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Main properties of the processes of iron ore destruction in terms of its simultaneous effect by mechanical load and electric field of ultra-high frequency have been studied. That was compared with the case when only mechanical load is applied. Theoretically, it has been proved that in the first case, quartz crystals accumulate more energy, and this effect is manifested mostly in terms of
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By using three dimensions finite element method, the temperature distribution has been simulated in grinding of titanium alloy with SiC wheel. The effects of wheel speed, workpiece speed and tangential grinding force on the grinding temperature field were investigated. The results show that the grinding temperature decreases with the increasing of the workpiece speed, and increases with the
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2019-1-15 · 2.1.2 Mirror grinding of polycrystalline diamond. Electrolytic in-process dressing (ELID) precision mirror grinding technology is a kind new ultra-precision machining technology developed by Japan Institute of Physics and Chemistry in the
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