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International Journal of Electrical Machining最新文献

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Electrical Discharged Coating by Spark Plasma Sintered Tungsten Porous Electrode 放电等离子体烧结钨孔电极的放电涂层
International Journal of Electrical Machining Pub Date : 1900-01-01 DOI: 10.2526/IJEM.22.1
K. Kaneko, Kazuhiko Furukawa, K. Kihara, Naritoshi Aoyagi
{"title":"Electrical Discharged Coating by Spark Plasma Sintered Tungsten Porous Electrode","authors":"K. Kaneko, Kazuhiko Furukawa, K. Kihara, Naritoshi Aoyagi","doi":"10.2526/IJEM.22.1","DOIUrl":"https://doi.org/10.2526/IJEM.22.1","url":null,"abstract":"This paper describes a high-hardness coating process by spark plasma sintered tungsten porous electrode with an electrical discharge machine utilizing the electrical discharge machining phenomenon. The effects of the electrical discharge machining conditions, the relative density of the sintered material used as the tool electrode, and the particle size on the coating properties were investigated. By using porous tungsten as the tool electrode, a processed surface with a higher hardness was achieved. In addition, the lower the relative density, the higher was the Vickers hardness of the processed surface. Spark plasma sintering (SPS) sintered tungsten was used, and it was observed that the larger the discharge current, and the larger the powder particle size of the SPS sintered tungsten was, the higher was the Vickers hardness of the processed surface.","PeriodicalId":407646,"journal":{"name":"International Journal of Electrical Machining","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126058265","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Investigation of Influence of Low-level Voltage on Machining Characteristics in Pulse Wire ECM 低电压对脉冲线材电解加工特性影响的研究
International Journal of Electrical Machining Pub Date : 1900-01-01 DOI: 10.2526/IJEM.22.14
K. Yamaguchi, W. Natsu
{"title":"Investigation of Influence of Low-level Voltage on Machining Characteristics in Pulse Wire ECM","authors":"K. Yamaguchi, W. Natsu","doi":"10.2526/IJEM.22.14","DOIUrl":"https://doi.org/10.2526/IJEM.22.14","url":null,"abstract":"In pulse ECM, it has been found that the low-level voltage of the applied pulse influences the tool electrode wear and the machining accuracy. To attain a higher machining accuracy, the relationship between the low-level voltage and the machining accuracy was experimentally investigated in this study. It was found that a low-level voltage higher than 0V not only prevents tool electrode wear, but also improves the machining accuracy. In addition to the low-level voltage, the influence of the tool materials on the machining speed was also investigated. It was found that the different optimal low-level voltage depends on the tool material.","PeriodicalId":407646,"journal":{"name":"International Journal of Electrical Machining","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127272035","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Simulation of CW Laser Controlled Surface Modification of Titanium by Aluminum 连续波激光控制铝基钛表面改性的仿真研究
International Journal of Electrical Machining Pub Date : 1900-01-01 DOI: 10.2526/ijem.6.53
Mohamed Mghirbi, H. Goto, H. Tsuchiya
{"title":"Simulation of CW Laser Controlled Surface Modification of Titanium by Aluminum","authors":"Mohamed Mghirbi, H. Goto, H. Tsuchiya","doi":"10.2526/ijem.6.53","DOIUrl":"https://doi.org/10.2526/ijem.6.53","url":null,"abstract":"In this paper, the process of laser surface modification of titanium by aluminum has been studied using a combination of the thermal equation and diffusion equation. A 2D transient fmite element analysis has been developed to calculate the temperature distribution, the aluminum concentration profile and the melting depth inside titanium material. The obtained results reveal that the melt-solid interface velocity (vm ) as well as the particle diffusion velocity (vp ) plays a major role in determining the resulting diffusion profile. Computations make it possible to control whether to obtain a step-like or smooth diffusion profile, this by selecting the appropriate laser power density, the overlayer thickness and the laser interaction time with the work piece.","PeriodicalId":407646,"journal":{"name":"International Journal of Electrical Machining","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127612266","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Study on ECM Characteristics in Hole Machining with Electrolyte Suction Tool 电解液吸刀加工孔的电解加工特性研究
International Journal of Electrical Machining Pub Date : 1900-01-01 DOI: 10.2526/IJEM.22.20
H. Nagoya, W. Natsu
{"title":"Study on ECM Characteristics in Hole Machining with Electrolyte Suction Tool","authors":"H. Nagoya, W. Natsu","doi":"10.2526/IJEM.22.20","DOIUrl":"https://doi.org/10.2526/IJEM.22.20","url":null,"abstract":"","PeriodicalId":407646,"journal":{"name":"International Journal of Electrical Machining","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114397993","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Advanced Application Technologies Contributing toward Productivity Improvement 促进生产力提高的先进应用技术
International Journal of Electrical Machining Pub Date : 1900-01-01 DOI: 10.2526/ijem.12.35
M. Nemoto
{"title":"Advanced Application Technologies Contributing toward Productivity Improvement","authors":"M. Nemoto","doi":"10.2526/ijem.12.35","DOIUrl":"https://doi.org/10.2526/ijem.12.35","url":null,"abstract":"The 23 rd Japan International Machine Tool Fair (JIMTOF) has concluded, after running for eight days at Tokyo's \"Big Sight\" Exhibition Center. Most noticeable machines at our EDM booth were renewed SP43 (Wire EDM) designed to dramatically enhance machining speeds for targeted applications where flushing nozzles are separated from part surfaces, and EDAC 1 (Ram EDM) developed especially for fine product manufacturer such as electronic components and connectors. I would like to introduce Makino's advanced application technologies, which surely would contribute toward productivity improvement.","PeriodicalId":407646,"journal":{"name":"International Journal of Electrical Machining","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122777978","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Advances in EDM Monitoring and Control Systems Using Modern Control Concepts 应用现代控制理念的电火花加工监控系统研究进展
International Journal of Electrical Machining Pub Date : 1900-01-01 DOI: 10.2526/ijem.2.1
Rajurkar Kamlakar p., Wan Wei-min
{"title":"Advances in EDM Monitoring and Control Systems Using Modern Control Concepts","authors":"Rajurkar Kamlakar p., Wan Wei-min","doi":"10.2526/ijem.2.1","DOIUrl":"https://doi.org/10.2526/ijem.2.1","url":null,"abstract":"","PeriodicalId":407646,"journal":{"name":"International Journal of Electrical Machining","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122202635","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 14
An Overview of the Development and Present Situation of Electrical Machining in China 中国电加工的发展与现状综述
International Journal of Electrical Machining Pub Date : 1900-01-01 DOI: 10.2526/ijem.11.1
J. Bai, Yongfeng Guo, Jinchun Liu
{"title":"An Overview of the Development and Present Situation of Electrical Machining in China","authors":"J. Bai, Yongfeng Guo, Jinchun Liu","doi":"10.2526/ijem.11.1","DOIUrl":"https://doi.org/10.2526/ijem.11.1","url":null,"abstract":"This paper summarizes the development, characteristics and innovations of electrical discharge machining (EDM), wire EDM (WEDM) and (ECM) in China.","PeriodicalId":407646,"journal":{"name":"International Journal of Electrical Machining","volume":"57 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123507953","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
EDM with Mesh-sheet Electrode 电火花加工与网片电极
International Journal of Electrical Machining Pub Date : 1900-01-01 DOI: 10.2526/ijem.8.45
Seojoon Lee, H. Minami, K. Masui, M. Okami
{"title":"EDM with Mesh-sheet Electrode","authors":"Seojoon Lee, H. Minami, K. Masui, M. Okami","doi":"10.2526/ijem.8.45","DOIUrl":"https://doi.org/10.2526/ijem.8.45","url":null,"abstract":"This paper describes a new method ofEDM with mesh-sheet electrode. Mesh-sheet of copper wire has splendid advantages of electrode making with its high ductility and malleability. First, EDM properties of mesh-sheet to zinc alloy have been examined to use as an electrode of machining. Mesh-sheet electrode gives very stable process, since generated debris and gas are excluded quickly through the woven wires. The expectation of lower electrode wear ratio to workpiece was also confirmed experimentally. Comparing to usual solid electrode made it clear that this method was very efficient in terms of machining speed and process. FinaIIy, a practical machining by means of meshsheet electrode was tried to make 3-dimensional molding die.","PeriodicalId":407646,"journal":{"name":"International Journal of Electrical Machining","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129637917","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Observation of Workpiece Surface in ECM Process of WC Alloy Micro-pin with Bipolar Pulses 双极脉冲电解加工WC合金微销工件表面的观察
International Journal of Electrical Machining Pub Date : 1900-01-01 DOI: 10.2526/IJEM.21.31
W. Natsu, D. Kurahata
{"title":"Observation of Workpiece Surface in ECM Process of WC Alloy Micro-pin with Bipolar Pulses","authors":"W. Natsu, D. Kurahata","doi":"10.2526/IJEM.21.31","DOIUrl":"https://doi.org/10.2526/IJEM.21.31","url":null,"abstract":"In this study, WC alloy micro-pins were fabricated by electrochemical machining using a NaNO3 aqueous solution and bipolar pulse supply. Since the influence of the pulse conditions on micro-pin formation is still unknown, the micro-pin fabrication was carried out by changing the pulse period, the pulse width, and the power supply system. Since finding what happens in the inter-electrode area may be helpful to understand the mechanism of machining using bipolar pulses, observations of the micro-pin surface during the process were carried out using a high-speed camera. As a result, it was found that the colour of pin surface becomes blue momentarily when the pulse voltage falls in the case of using a bipolar pulse power supply. In addition, the relationship between the pulse waveform and the blue appearance period was experimentally investigated and","PeriodicalId":407646,"journal":{"name":"International Journal of Electrical Machining","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126915706","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
EDM Using Chemical Reaction of Organometallic Compounds 利用有机金属化合物化学反应进行电火花加工
International Journal of Electrical Machining Pub Date : 1900-01-01 DOI: 10.2526/ijem.12.29
Hidekazu Tsukahara, H. Minami, H. Hagino, Seojoon Lee, K. Masui, T. Sone
{"title":"EDM Using Chemical Reaction of Organometallic Compounds","authors":"Hidekazu Tsukahara, H. Minami, H. Hagino, Seojoon Lee, K. Masui, T. Sone","doi":"10.2526/ijem.12.29","DOIUrl":"https://doi.org/10.2526/ijem.12.29","url":null,"abstract":"In this study, electrical discharge machining (EDM) utilizing chemical reactions between organometallic compounds is examined. The oxidization of the dielectric oil facilitates the machining process depending on working time. When oxidized dielectric oil is used in EDM, metal elements in the electrode and workpiece react with the oxidized oil, and organometallic compounds are consequently formed. Several organometallic compounds have lipophilic property and dissolve in dielectric oil. This indicates that some debris from the electrode or workpiece metal can be dissolved in dielectric oil. Accordingly, by actively utilizing the reactions between organometallic compounds, some debris from the electrode or workpiece can be dissolved in dielectric oil. This would result in a decrease in the amount of debris and provide stability to EDM.","PeriodicalId":407646,"journal":{"name":"International Journal of Electrical Machining","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126919495","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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