Machining research papers

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At ultra-high speed machining UHSM speeds, chip type does not change with speed nor does tool wear. However, at even moderately high speeds, tool wear is still the limiting factor when machining titanium alloys, superalloys, and special steels. Tool life and productivity can be increased significantly for special applications using two novel cutting tool concepts — ledge and rotary. A stiffened rotary tool has yielded a tool life improvement of twenty times in turning Inconel and about six times when machining titanium 6AV.

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Significantly increased metal removal rates up to 50 in. Pulse LAM shows greater promise, especially if new laser source concepts such as face pump lasers are considered. Aluminum HSM has been demonstrated in a production environment and substantial payoffs are indicated in airframe applications.

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Sign In or Create an Account. Sign In. Advanced Search. Article Navigation. Close mobile search navigation Article navigation. Volume , Issue 4.

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Komanduri R. This Site. Google Scholar. Flom D. Lee M. Author and Article Information. Nov , 4 : 11 pages. Published Online: November 1, Article history Received:. Article Preview.

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Abstract: Electrochemical Machining is one of established non-traditional machining process which is widely used in micro machining parts. Add to Cart. Applied Mechanics and Materials Volume Main Theme:. Edited by:. James Zhang, Guanghsu A. Chang and Steffen Marburg. Online since:. December Sheth , Anand Joshi. Cited by. Related Articles.

Paper Title Pages. Abstract: Electrolytic products are hard to be removed from the machining gap in micro ECM electrochemical machining process, which may lower the machining speed or even stop the machining process.

Non Conventional Machining

Intermittent withdrawal of electrode is an effective way to cleanse electrolytic products, renew electrolyte in the gap, and promote the continuance of machining process. Results show that the machining speed does not increase monotonously with the decrease of inter-electrode distance. Considering machining efficiency and accuracy, machining gap should be the corresponding gap value when the machining speed reaches its maximum.

Yao, Wei Peng. Abstract: The machining of materials on microscopic scales is considered to be great importance to a wide variety of fields.

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Electrochemical Micro-machining EMM appears to be promising to machine the micro-structures in future due to the material is dissolved at the unit of ion. This paper is focused on developing a micro electrochemical machining system in which the micro-structures such as micro-cylinder, multiple micro-electrodes, micro-holes and micro-slot were processed. The micro-electrodes were prepared in a precisely controlling the electrochemical etching process. Mathematical model controlling the diameters of electrodes was built up. Furthermore, the obtained micro-electrodes were selected as the cathode tool for micro holes drilling and micro-slot milling using pulse power in Micro-ECM.

High speed machining of aero-engine alloys

Abstract: Jet Electrolytic Drilling JED is a micro-hole drilling process, which employs a jet of electrolyte for anodic dissolution of workpiece material and does not require entry of a nozzle into the machined hole. JED has been used for drilling small holes in aerospace, electronic, and micro-mechanics. One of the most significant problems on JED is the precise control and parameters optimization of the process. This paper established a two-dimension mathematical model for JED to describe the shape of the drilled hole. The model was validated by comparison of simulation and experimental result.

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