Grinding-aided electrochemical discharge machining of ...
A grinding-aided electrochemical discharge machining (G-ECDM) process has been developed to improve the performance of the conventional ECDM process in machining particulate reinforced metal matrix composites (MMCs). The G-ECDM process functions under a combined action of electrochemical dissolution, spark erosion, and direct mechanical grinding. …
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Multi-Response Optimization of Process Parameters for ...
The objective of present study is to optimize the control factors such as current, pulse on-time, pulse off-time, wheel RPM and abrasive grit number (GN) to optimize the material removal rate (MRR) and average surface roughness (Ra) for Grinding Aided-EDM process.
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A Study of the Materials Removal Mechanism of Grinding ...
Based on the above analysis, it is found that during the G-ECDM process, the grinding effect removes the convex edge of the crater formed by ECDM effect. And spalling is considered to be the main convex material removal mechanism. Due to this aided grinding effect, the MRR of G-ECDM will be much higher than ECDM in same processing parameters.
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Nano-precision combined process of electrolytic in …
illustration of the ELID grinding process using the rotary in-feed type grinding machine and its external view. Table 1 lists the experimental conditions for ELID grinding. The grinding wheels for the experiments were cast iron fiber-bonded diamond wheels with grit sizes of #1200, #2000 and #4000. The numbers of work-pieces per experiment was 6.
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Study on Ultrasonic Aided Ginding Process - INFONA
The effect on normal grinding force of grinding parameters was analyzed respectively in the two grinding processes. Experimental results indicate, the process of radial ultrasonic vibration aided grinding is especially suitable for shape machining of sintered Nd-Fe-B permanent magnet.
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Dry Grind Process - an overview | ScienceDirect Topics
Lidija Čuček, ... Zdravko Kravanja, in Computer Aided Chemical Engineering, 2013. 2.2 Technologies. A number of transformation technologies for converting biomass and waste to biofuels (Martín and Grossmann, 2012) are considered.Dry-grind process (corn and wheat grain): This technology is based on the optimized production of ethanol from corn grain that involves …
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PolyU Electronic Theses: Grinding-aided electrochemical ...
The results showed that for the G-ECDM process, the grinding action would remove the crater's built-up edge. As a consequence, the MRR of G-ECDM was higher than that of ECDM and EDM. Although, the discharge waveform of the G-ECDM process resembles a form of abnormal arcing, the machining process was found to be stable.
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---- Fuzzy ...
,zhaoyupeng,, Fuzzy control of grinding force in ultrasonic aided ceramic grinding process, ：（）（）
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Computer Aided Process Planning Approachfor Cost …
4. To compare and evaluate the process nningpla based on total machining process cost (Machining cost and tool cost) by using three Computer Aided Process planning (CAPP) programs . 2. Literature review. 2.1 Computer Aided Process Planning . The manufacturing process is the centerpiece of any process plan, along with the inherent instructions ...
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Ultrasonic vibration-aided electrochemical drill-grinding ...
The electrochemical drill grinding (ECDG) process was simulated with different electrodes. • An ultrasonic vibration-aided electrochemical drill-grinding (UAECDG) method with a hemispherical electrode was proposed. • Small holes with a diameter of 1215.0 ± 5 μm and surface roughness of 0.446 μm were fabricated by UAECDG.
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CNC Machining: What is it? Processes, Types, Considerations
Computer-aided engineering (CAE) software is used by engineers during the pre-processing, analysis, and post-processing phases of process development. CAE software is a supportive tool for engineering analysis applications, such as design, simulation, planning, manufacturing, diagnosis, and repair, to help to evaluate and modify product design.
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Effect of Ultrasonic Vibration Assisted Grinding Process ...
This paper study on the influence of ultrasonic vibration assisted grinding (UAG) process on surface topography and properties of C/SiC composites. Through the surface quality experiments of common grinding (CG) and UAG, the height …
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Effect of Ultrasonic Vibration Assisted Grinding Process ...
This paper study on the influence of ultrasonic vibration assisted grinding (UAG) process on surface topography and properties of C/SiC composites. Through …
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NC-Form Grinding of Cutting Edges - Semantic Scholar
grinding spindle was recorded and used to validate the simulation results. To verify the accuracy of this measurement method, the performance data was compared to force values recorded by a force measurement platform during a peripheral longitudinal grinding process, as shown in Figure1.
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Optimization of Cylindrical Grinding Process Parameters …
Grinding process is surface finishing process generally used to smoothen the surfaces by removing the limited ... Computer-aided design (CAD) is defined as the application of computers and graphics software to aid or enhance the product design from conceptualization to documentation. CAD is most commonly associated with the use of an ...
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Computer Aided Design of Grinding Wheel for Drill Flute ...
Computer Aided Design of Grinding Wheel for Drill Flute Production 711 respect to Y1, the wheel offset WO along Z2, and the vertical distance between the axes of the helical flute and the grinding wheel A ≈ W + Rg (Rg is maximum wheel radius).
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Grinding aided electrochemical discharge drilling (G-ECDD ...
Grinding aided Electrochemical Discharge Drilling (G-ECDD) is a triplex hybrid machining process in which the various physical and chemical aspects of Electrochemical Discharge Machining (ECDM) and grinding actions are combined for selective material removal. An attempt has been made to develop a mathematical model for Material Removal Rate …
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Study on the Grinding Process of Ceramiczirconia Oxide ...
Study on the Grinding Process of Ceramiczirconia Oxide Rod Shinn-Liang Chang Dai-Jia Juan Bean-Yen Lee You-Jhih Lin Department of Power Mechanical Engineering, National Formosa University, Taiwan,Department of Power Mechanical ...
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Understanding of Ultrasonic Assisted Machining with ...
In this work, machining test was carried out in various machining conditions using ultrasonic vibration capable CNC machine. For work material, alumina ceramic (Al2O3) was used while for tool material diamond electroplated grinding wheel was used. To evaluate ultrasonic vibration effect, grinding test was performed with and without ultrasonic vibration in same machining …
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Signature Analysis of OD Grinding Processes with ...
Grinding operations can be analyzed through monitoring and analysis of the spindle power during the process. Due to the complexity of the process, the analysis on grinding processing signal still heavily relies on personal experience of the engineer instead of having a standard structured method.
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Investigation of the Process-Material Interaction in ...
An interesting process application of grinding is Ultrasonic Assisted Grinding (UAG), where the tool or workpiece is vibrated at an ultrasonic frequency (15..25KHz, amplitudes up to 15…20µm). In order to be able to make complex shaped parts, simple tubular shaped rotating tools (like a milling
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Z. Hou, Advanced Computer-aided Fixture Design, Elsevier Science & Technology, ISBN 0125947518, Academic Press ... The modeling and experimental verification of the grinding wheel topographical properties based …
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Cylindrical Grinding - Fine MetalWorking
Cylindrical Grinding is a process where you use a grinding wheel rotating in a horizontal axis to cut or grind a cylindrical work-piece mounted on a chuck or between centers rotating in an axis parallel to the grinding wheel axis, …
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H. Huang, and Z. Hou, Advanced Computer-aided Fixture Design, Elsevier Science & Technology, ISBN 0125947518 ... Y. Rong, "The modeling and experimental verification of the grinding wheel topographical properties based on the 'through-the-process ...
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A Study of the Materials Removal Mechanism of …
A Study of the Material Removal Mechanism of Grinding-Aided Electrochemical Discharge Machining of Metal Matrix Composites piece material is a 10mm thick rolled plate. During the G-ECDM process, the data collection card and the movement control card are integrated into a computerized control system of the experi-
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