Manufacturing of axial slots by electrochemical machining process | ||||
| ERJ. Engineering Research Journal | ||||
| Article 11, Volume 23, Issue 1, January 2000, Page 203-211 PDF (373.7 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/erjm.2000.71209 | ||||
 View on SCiNiTO | ||||
| Authors | ||||
| MS Hewidy; T A El-Taweel | ||||
| Faculty of Engineering, Menoufia University Shebin El-Kom, Egypt. | ||||
| Abstract | ||||
| Axial slots are usually required for generator rotors, journal bearing and sliding bearing. Machining and finishing of these slots usually achieved through milling techniques. However, it has been found that there is difficulty in achieving adequate surface finish and acceptable dimensional accuracy of the resultant slot shape. Recently, electrochemical machining (ECM) has been suggested as a promising technique valid to produce these slots under high surface quality and min. machining costs. The previous attempts have been carried out through successive ECM processes, first to machine the hole, and then to create the slots. In the present work, an attempt has been submitted to get both of the hole and slots in one pass as a final process. A special ECM test rig has been designed for this aim. The main affecting parameters on the resultant slot shape were, tool geometry, applied voltage and feed rate. The results obtained in this work enable the manufacturing engineer to select the required shape dimensions through different combinations of FCM parameters. | ||||
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