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get priceJul 23, 2009 · and as a highly efficient grinding method using this high-intensity metal bonded superabrasive grindstone, an electrolytic in-process dressing (hereinafter referred to as "elid") grinding method has attracted attention. in the elid grinding method, a grindstone is dressed by (in-process) electrolytic action while grinding machining.
get priceIt discusses elid grinding methods, lapping/grinding process, honing, and an original method of elid grinding of free forms surfaces using an original design. the book also provides case studies in areas such as nano ultra-precision elid and the latest developments in elid nano-grinding; glass ceramic mirrors, small lens, and large scale optics
get priceTo solve this problem, the electrolytic in-process dressing (elid) grinding method was proposed. the elid continuously exposes new sharp abrasive grains by dissolving the bond material (mainly cast iron) around the abrasive grains . as shown in figure 11, the wheel surface had good conductivity at the predressing stage. the conductivity of the wheel surface was reduced with the growth of the oxide
get priceThis grinding method uses grinding stones made of abrasives bound with conductive adhesive. the grinding stone mechanically grinds off passivation film to expose fresh metal surface, and the conductive adhesive facilitates the electrolytic dissolution of the metal.
get priceElectrolytic in-process dressing (elid) grinding is one of the most accurate grinding methods. in this ultra precision grinding technology the grinding wheel is dressed electrochemically and in-process to maintain the accuracy of the grinding. an elid cell consists of a metal bonded grinding wheel, a cathode electrode, a pulsed dc power supply and electrolyte.
get priceThis report describes electrolytic in-process dressing (elid) as applied to the efficient, high-precision grinding of structural ceramics, and describes work performed jointly by dr. b.p. bandyopadhyay, university of north dakota, and dr. r. ohmori, of the institute of physical and chemical research (rinen), tokyo, japan, from june through august, 1994.
get priceElid. elid grinding produces good surface characteristics on cvdsic films. tools finished with elid have wear rates that are less dependent upon the lay of surface finishes. also wear is minimal when contract pressures are below a critical maximum value, which is coincident with a transition from powder to nonpowder wear mechanisms.
get price3.3mpa while grinding method had a lower value of approximately 2.0mpa. for concrete strength of 110mpa, the difference was significant affected by the end conditions. the worst case is the rubber capping method, with difference as high as 21.6mpa. the best case is the double ends grinding, having the smallest difference of 4.9mpa.
get priceMaterials and methods an elid grinding machine "hsg-10a2" (nachi-fujikoshi, co., toyama, japan) was used. figure 4 shows a schematic view of elid grinding. as shown in fig. 4, a metal-resin bonded abrasive wheel played a role in a positive electrode and a negative electrode was placed in front of the abrasive wheel. a d.c
get priceOct 11, 2002 · elid grinding has been used previously in precision grinding with a fine abrasive wheel. in this study, the feasibility of elid grinding for high efficiency deep-cut grinding has been researched. garnet ferrite (yag) has been machined both by the new
get priceAs part of these research activities, we attempted to prototype an aluminum-bond grinding wheel using accumulative roll bonding method to investigate the basic characteristics of the grinding wheel. figure 1 shows the schematic illustration of process of aluminum-bond grinding wheel for elid grinding using accumulative roll bonding method. we used aluminum alloy (al2017) and wa abrasives to prototype
get priceAn important feature of the elid grinding is that it can be retrofitted on conventional grinding or lapping ma-chines [13]. table 1 summarizes the type of machines that have been used for elid grinding of silicon wafers. itoh et al. conducted elid grinding of silicon wafers on a lapper [11]. in their set-up, as shown in fig. 9, the wafer
get pricePrecision machining is an essential manufacturing process to achieve high dimensional accuracy and high surface integrity of functional components for various technological applications, such as those in aeronautical, biomedical, mechanical, metrological, mechatronic,
get priceTo resolve this problem, the authors focused on the elid grinding method which is able to dress the grinding wheel by in-process during grinding and prevent clogging, developed a conductive rubber bonded grinding wheel suitable for this method, and are currently reviewing it for practical application.this paper discusses attempts by the authors
get priceWith elid 1 precision grinding [3, 57], although the elid principle has also been applied in lapping and lap-grinding configurations [8, 9]. this paper repre-sents a study investigating the use of elid as a method of improving ball surface finish driven by a requirement to extend the lifespan of self-aligning lined spherical bearings [10].
get priceElid stands for electrolytic in-process dressing.according to the mechanism of this grinding method, first the wheel bond is electrolyzed, which causes the abrasives to
get priceElid grinding is efficient method that uses a metal bonded di-amond grinding wheel in order to achieve a mirror surface finish especially on hard and brittle materials. feng et al. [1] reported a survey on analysis and design of model-based fuzzy control systems. the study was performed for the sta-
get priceDevelopment of elid grinding machine. . the elid-grinding method is applied to wide ranges of practical uses in precision manufacturing. as shown in the figure, . get price and support online; electrolytic in-process dressing (elid) grinding . view electrolytic in-process dressing (elid) grinding research papers on academia.edu for free.
get priceElectrolytic inprocess dressing elid is an efficient method to dress the grinding wheel while performing grinding in this paper a fundamental study on the mechanism of the elid grinding technique is discussed in detail several sets of experiments have been performed to . working principle of grinding using electrolytic in
get price2. elid technology the electrolytic in-process dressing (elid) technique does not require the grinding operation to stop for dressing. however, it can be performed during the grinding operation [4]. this technique can be applied to any grinding machine
get priceSpecific features of each component of elid grinding and polishing system are described further. next, an explanation of the successful and wide application of elid principles to ceramic grinding is furnished. most important, 14 applications of elid principle to modern abrasive processes are documented.
get priceElid grinding[1] is a technique which dresses the grinding wheel using electrical energy during the grinding process. this method enables the stable use of microabrasive grinding wheels, thereby realizing high quality ground surfaces for various brittle materials.
get priceFree online library electrolytic in-process dressing (elid) grinding for silicon wafers.(report) by "annals of daaam & proceedings"; engineering and manufacturing semiconductor wafers mechanical properties production processes size reduction (materials) methods technology application size reduction of materials
get priceThere is elid grinding method as a processing method using a fine abrasive grindstone. there is a high-efficiency machining method that allows the dressing of the machining and grinding wheel at the same time by applying electrical energy to the grindstone during processing. we contained the carbon dioxide coolant into the grinding fluid
get priceA grinding method which uses specific metallic bond fine grit wheels and electrolytic in- process dressing (elid) is proposed for the effectual mirror surface grinding of brittle materials. significant results such as high ground surface quality and ultraprecision grinding have been achieved through the use of this new grinding technique `elid-grinding'.
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