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A study of electrical discharge grinding using a rotary disk electrode Hung Rung Shih & Kuen Ming Shu Received 24 October 2006 /Accepted 27 April 2007 /Published online 23 May 2007 Surfaces of the final product from this electro forming process are required to be well trimmed If a contact type trimming process is used it leads to a
Keywords Micro EDM ·Wire electro discharge grinding WEDG ·Conical surface ·Needle valve 1 Introduction In the fuel injector of a diesel engine the needle valve typ ically uses a conical surface Fig 1 to switch and seal fuel passage The
Soni Chakraverti G 1985 Effect of electrode material properties on surface roughness and dimensional accuracy in electro discharge machining of high carbon high chromium die steel J Inst Eng India PR 76 46 51
DOI / Corpus ID 109525936; Dry electro contact discharge mutual wear truing of micro diamond wheel V tip for precision micro grinding article{Xie2012DryED title={Dry electro contact discharge mutual wear truing of micro diamond wheel V tip for precision micro grinding} author={J Xie and Haoqin Xie and Mingyun Luo and
Electrical discharge grinding EDG and conventional abrasive grinding are two different methods to machine polycrystalline diamond PCD with different removal mechanisms This paper discussed the quality issues of PCD tools produced by the two processes Although remarkably similar surface roughness and tool sharpness were obtained in both processes it
Ji et al [14] in a similar research evaluated the significance of combined electro discharge milling and mechanical grinding process parameters in machining of SiC ceramics by analysis of
It is seen from Fig 3 that wheel wear rate increases with increasing wheel speed Wheel rapidly loses its ability to grind effectively due to formation of wear flats on the abrasive grains owing to graphitization of diamond The problem is quite serious at higher grinding speed since rate of graphitization depends on temperature at the grain work interface which in turn
Fig 1 shows the dry electro contact discharge ECD dressing experimental setup of #46 diamond grinding wheel In experiments a detachable diamond segment was installed on grinding wheel see Fig 1 a In order to ensure the diamond wheel positioning without any changes the diamond segment was unloaded from machine after each dressing
Many innovative hybrid manufacturing techniques are used in various industries to produce complex shapes with very good accuracy The authors in this chapter designed a hybrid machining setup called wire electric discharge grinding WEDG to study the various micro machining process parameters for hard materials like tungsten and HSS materials
Hybrid machining processes HMPs in the present scenario could offer possible solutions to machine difficult to cut materials The HMPs combines two or more machining processes that take part in material removal by uniting potential advantages involved in both the processes and reducing limitations of individual processes [1] In numerous HMPs electro
Kubo A Yan J Narita K 2003 Electro contact discharge dressing of a resin bonded cBN grinding wheel and its performance Key Eng Mater 238 239 327 332 Google Scholar Suzuki K Uematsu T 1997 On truing/dressing of metal bond grinding wheels by electro discharge machining Ann CIRP 36 1 115 118
Electrical discharge diamond grinding EDDG which integrates diamond grinding and electro discharge machining EDM is a new hybrid machining process for shaping electrically conductive very
There are various examples such as abrasive electro discharge grinding electrochemical discharge machining laser assisted turning and jet assisted machining This article presents a novel
This study investigates and optimizes electro discharge face grinding EDFG for processing Monel 400 alloy The EDFG process is complex and choosing the appropriate input process parameters is challenging In this work the central composite design CCD of response surface methodology RSM was used to plan the experiments and analysis of variance
Therefore the fabrication of PCD micro tools by conventional method such as grinding and nontraditional machining methods such as FIB sputtering [7] micro electrical discharge machining micro
DOI /S0924 0136 99 00348 9 Corpus ID 135894691; Efficient and precision grinding of small hard and brittle cylindrical parts by the centerless grinding process combined with electro discharge truing and electrolytic in process dressing
2 INTRODUCTION Electro chemical grinding ECG is a variant process of the basic ECM It is a burr free and stress free material removal process wherein material removal of the electrically conductive material takes place through mechanical grinding process and electro chemical process The abrasive laden grinding wheel is negatively charged and the workpiece
Electrical discharge grinding EDG is becoming more prevalent in the manufacturing of polycrystalline diamond PCD tools This paper concerns investigation of the effects of machining parameters as well as finishing in feed to the surface quality obtained when using EDG to erode PCD With the aid of the morphological findings different PCD erosion
Electrical discharge diamond grinding EDDG which integrates diamond grinding and electro discharge machining EDM is a new hybrid machining process for shaping electrically conductive very hard materials The process employs synergetic interactive effect of electro discharge action and abrasion action to increase machining performance This paper
2 •Electro Discharge Machining EDM is an electro thermal non traditional machining process where electrical energy is used to generate electrical spark and material removal mainly occurs due to thermal energy of the spark •EDM is mainly used to machine hard materials and high strength temperature resistant alloys •Work material to be machined by
Nickel based superalloy Inconel 718 owing to its superior high temperature strength excellent fatigue and corrosion resistance has been widely used in the aerospace industry However there are inherent problems associated with the conventional machining of Inconel 718 superalloy Therefore in this work investigation on machining of Inconel 718
Micro electrical discharge machining micro EDM is a good candidate for processing micro hole arrays which are critical features of micro electro mechanical systems MEMS diesel injector nozzles inkjet printheads and turbine blades etc In this study the wire vibration of the wire electro discharge grinding WEDG system has been analyzed theoretically and accordingly
