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Published in: Engineering. Full Name Comment goes here. Are you sure you want to Yes No. Shridhar Kashinath Paramane , M. No Downloads. Views Total views. Actions Shares. Embeds 0 No embeds. No notes for slide. Elid: Electrolytic In-Process Dressing 1. Figure 1. Schematic illustration of ELID 6. Figure 2. Mechanism of ELID grinding Sadhana ,Vol. You just clipped your first slide! Clipping is a handy way to collect important slides you want to go back to later.
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A Review of Electrolytic In-Process Dressing (ELID) Grinding
Electrolytic In-Process Grinding ELID is an advanced grinding process that carries out in situ dressing of the grinding wheel using an electrochemical reaction, i. This process is targeted to achieve the final finished product by eliminating subsequent finishing processes such as polishing and lapping. The process mainly aims for hard and brittle materials to achieve ductile mode cutting with the best cutting parameters, and by doing so to achieve the nano-level surface finish. A characteristic ELID wheel is metal bonded which is used as an anode. There is another electrode which usually used as the cathode, and a liquid is flown between the anode and the cathode, which functions both as grinding fluid and electrolyte.
Low surface roughness and extremely high precision thanks to ELID grinding
This grinding technique allows metal-bound grinding discs to be used, which are after all highly durable and difficult to adjust compared with discs with resins or glass. Moreover, ELID grinding allows a work piece with good geometrical accuracy in combination with a highly smooth surface to be obtained, making a polishing stage redundant. A passivation layer of oxides forms on the circumference of the grinding wheel, which reduces the retention force of the matrix on the abrasive grains, meaning removing blunt granules from the grinding disc is made easier. This means that new granules are constantly being exposed on the disc surface. The procedure furthermore allows grinding wheels with extremely fine granules to be used ca. The figures below show two examples of ELID surface grinding.