electrolytic in process dressing grinding of ceramic materials

... surface finish and form accuracy using grinding, it is an obvious requirement to have the grinding wheel dressed in- process There are several methods of in- process dressing of the grinding wheel, ... wheel therefore remains constant This cycle is repeated during the grinding process to achieve stable grinding The above mentioned technologies for in- process dressing of grinding wheel have their ... success of ELID grinding It is soft and brittle in nature as compared to the original metal bond and gets easily worn off because of the excessive grinding force The basic mechanism of ELID grinding...

Ngày tải lên: 14/09/2015, 08:44

... grinding wheel 16 Literature review 2.1.4 Electrochemical method of dressing One of the ways of doing electrochemical dressing of the grinding wheel is the ELID grinding This method of dressing ... the basic principle of dressing of the wheel remains the same The various methods of ELID grinding are as follows: Electrolytic In- Process Dressing (ELID 1) Electrolytic Interval Dressing (ELID ... of ELID grinding Moreover the morphological study of the samples suggests that in ELID grinding ductile regime machining is the predominant mode of machining whereas in ordinary grinding both...

Ngày tải lên: 14/09/2015, 08:44

... machining Electrolytic in process dressing (ELID) grinding, is a very efficient process for achieving mirror surface finish on hard and brittle materials even without any post -grinding polishing process ... developed ELID grinding machine 3.2 Development of a sensor integrated ELID grinding machine The proposed intelligent ELID grinding system comprises of a four-axis CNC machine which is sensor integrated ... of an intelligent ELID grinding machine effect on surface roughness In order to obtain better surface finish by grinding, ultra-fine abrasives wheel is necessary [79] In this study the grinding...

Ngày tải lên: 14/09/2015, 08:44

... studies of ELID grinding that during the dressing of the grinding wheel a soft insulating oxide layer is formed and it may break as the grinding force increases which occurs throughout the 89 Dressing ... the grinding wheel less than conventional ELID grinding because the dressing power is varied according to the change in the force ratio of grinding as explained earlier Hence the normal grinding ... comparing the grinding wheel profile (Before grinding and after grinding) Figure 4.13 (a) shows profile of the grinding wheel before the grinding and after grinding for conventional ELID Figure...

Ngày tải lên: 14/09/2015, 08:44

... development of in- process truing for ELID grinding as described in chapter Electrolytic in- process dressing (ELID) is one of the electrochemical methods for in- process dressing and truing of grinding ... ELID grinding does not use controlled dressing of the grinding wheel to ensure acceptable grinding wheel profile [39-57] Note that truing is the dressing of the grinding wheel to maintain the profile ... the grinding cycle to ensure consistent grinding Fig 5.1: (a) A typical example of non-uniform grinding wheel for ELID grinding (b) Grinding wheel profile after applying proposed in- process truing...

Ngày tải lên: 14/09/2015, 08:44

... used during grinding A new concept of controlled voltage dressing by monitoring the grinding condition has been implemented and its performance has also been evaluated Conventional ELID grinding ... across the dressing zone without monitoring the grinding wheel condition This may lead to overdressing of the wheel which eventually will shorten the tool life In this study grinding wheel condition ... cases Dressing 116 Conclusions current has also been found to be more stable and uniform in this new form of ELID grinding Truing of the grinding wheel is crucial in precision manufacturing, because...

Ngày tải lên: 14/09/2015, 08:44

... mechanism of the ELID grinding 2.2 Different methods of ELID grinding 2.2.1 Electrolytic in- process dressing (ELID – I) 2.2.2 Electrolytic Interval Dressing (ELID – II) 2.2.3 Electrode-less In- process ... superabrasive grinding wheels while performing grinding Though the application of ELID eliminates the wheel loading problems, it makes grinding as a hybrid process The ELID grinding process is the combination ... Some in- process methods like passing the grinding wheel on an alumina stick during grinding are also used [Blaedel et al., 1999] Among the dressing processes, the Electrolytic In- process Dressing...

Ngày tải lên: 16/09/2015, 17:11

... trade-off has become the major road-block for the continuous scaling of CMOS into deep-submicron regimes In order to squeeze the maximum performance gain from the continuous scaling while maintaining ... There are two groups of technologies to introduce strain into the channel of MOSFET One is the local strain or called process induced strain technologies, including the strain from shallow trench ... not have gained so much during the course of my doctoral research I also need to thank Dr Pan Jishen in Institute of Materials Research and Engineering (IMRE), Singapore, for the help in XPS analysis,...

Ngày tải lên: 14/09/2015, 17:53

... Algorithm: crossover of two strings Input: Output: string-1 and string-2 offspring-1 and offspring-2 Determine a cut point randomly from all the positions of a string Each string is divided into two parts, ... according to the order of these OPTs in string-2 Copy the left side of string-2 to form the left side of offspring-2 The right side of offspring-2 is constructed by the OPTs in the right side of ... side, according to the cut point Copy the left side of string-1 to form the left side of offspring-1 The right side of offspring-1 is constructed by the OPTs in the right side of string-1 and their...

Ngày tải lên: 25/12/2013, 19:15

... signing of the contract in the beginning of the next phase, i.e., in the beginning of the implementation of the project Nevertheless, the focus in this study is on negotiations related to a single ... tension between creating joint value, i.e increasing the payoffs to all parties, and claiming individual value, i.e increasing the payoffs to a single party unilaterally, often referred to as ... effectively be considered as a process of moving away from less-than optimal outcomes towards increased payoffs, and the distribution of those payoffs In an era of growing interdependence, negotiation...

Ngày tải lên: 18/02/2014, 11:20

... Page of Tuning of a PID controller using Ziegler-Nichols Method LAB Objective: 1) To demonstrate the use of PID controller using LabVIEW 2) Finding the values of KP and TI and TD using Ziegler ... control and instrumentation engineers in the aspect of tuning of the gains required for stability and good transient performance There are several prescriptive rules used in PID tuning An example ... of the derivative term is to feed information on the rate of change of the measured variable into the controller action The most important term in the controller is the integrator term that introduces...

Ngày tải lên: 27/02/2014, 03:20

... a boiling granular layer, problems of modeling of avalanching, etc In spite of the fact that the foundations of the theory have been laid even at the beginning of the development of continuum ... problems of transportation of granular materials of minerals industry and agriculture production, problems of design of storage bunkers and grain tanks, problems of design of chemical machines with ... contained herein Printed on acid-free paper Springer is part of Springer Science+Business Media (www.springer.com) Foreword The new monograph ‘‘Mathematical Modeling in Mechanics of Granular Materials ’...

Ngày tải lên: 16/03/2014, 22:20

... sampling process Existing literature does not justice to the musicality of the sampling process; instead, it fosters an incomplete understanding of sampling and spreads a certain amount of misinformation ... misinformation In his essay, ‘Sample and hold: pop music in the digital age of reproduction’, Andrew Goodwin frets over the increasing difficulty in distinguishing human- from machine-generated ... claimed to set off ‘a marching band in a brownian [sic] motion’), most talked about the potential for using randomising as a means of emulating real instruments In a post about programming drum patterns,...

Ngày tải lên: 23/03/2014, 13:20

... management of the elements of the teaching and learning process The elements of the teaching-learning process are inextricably linked with each other The goal of teaching-learning process is ... learning approach, consists of teaching and learning facilities, management software in training process, learning advisors, teaching equipment, textbooks and reference materials, and some training ... and conditions of teaching and learning process Training quality will be improved if the quality of teaching and learning is increased To improve the quality of teaching and learning, colleges...

Ngày tải lên: 27/05/2014, 11:43

... surfaces preventing this non-specific protein adsorption Molecular imaging is providing increasing power to studies of animal models of disease and is beginning to be used in clinical investigations ... potential in combining targeting, bioimaging, biolabelling, and biosensing applications enabling novel platforms that are aimed at deployment for clinical applications in cancer research page 44 of ... Hospital in Berlin including patients with tumours in different body parts, i.e brain and prostate The entire treatment takes approximately hours, including the therapy with 60 minutes, heating periods...

Ngày tải lên: 28/05/2014, 14:35

... showing the number of remaining 2-7 OPERATION OF VRAE seconds The message “Off! ” flashes on the LCD display and the display will go blank, indicating that the monitor is turned off Turning off ... responsibility for using, maintaining, or servicing this product The product will perform as designed only if it is used, maintained, and serviced in accordance with the manufacturer's instructions CAUTION!! ... The Minimum reading is the lowest reading of each gas concentration since the monitor was turned on The reading is updated at one-second intervals and is shown in the LCD display with “MIN” message...

Ngày tải lên: 28/05/2014, 14:35

... Characteristics of Piezoelectric Ceramic Disk 25 Lang Wu, Ming-Cheng Chure, Yeong-Chin Chen, King-Kung Wu and Bing-Huei Chen Part Chapter Nano-Ceramics 41 Fine Grained Alumina-Based Ceramics Produced Using ... Things are made from them by the action of heat and subsequent cooling, which may be crystalline or partly crystalline The definition of ceramic is often restricted to inorganic crystalline materials, ... Characteristics of Piezoelectric Ceramic Disk Lang Wu1, Ming-Cheng Chure1, Yeong-Chin Chen2, King-Kung Wu1 and Bing-Huei Chen3 of Electronics Engineering, Far-East University, of Computer Science & Information...

Ngày tải lên: 28/06/2014, 10:20

Ngày tải lên: 07/08/2014, 17:22

... weathering of building materials has been added as new sections in Chapters (Fundamentals) and (Corrosion of Specific Crystalline Materials) Although the work on weathering of building materials ... predominantly by civil engineers, it should be of interest to the ceramic engineer More information has become available concerning the corrosion of composite materials of all types The strong interest ... other type of engineer There are no corrosion engineering courses offered in the several Copyright © 2004 by Marcel Dekker, Inc 2 Chapter undergraduate ceramic engineering curricula in the United...

Ngày tải lên: 10/08/2014, 11:22

... the examination of Ellingham plots of ∆G°=-RT In pO2 vs temperature (see Fig 2.14 in Sec 2.7.2) If one is interested in the reduction of a binary compound, such as mullite, the presence of a second ... cracks in the reaction interface layer This subsequently leads to continued reaction The reduction of oxide ceramics at various partial pressures of oxygen may also be of interest and can be obtained ... highly insoluble in water remain in the porous layer The formation of a hydroxylated zirconia fluoride complex in solution causes the pH of the solution to decrease considerably increasing the...

Ngày tải lên: 10/08/2014, 11:22