Relevant bibliographies by topics / Wire cutting machine

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Wire cutting machine'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Wire cutting machine"

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Gahane, D. G., Prachi Katole, Priyanka Naidu, Ruchita Dhoke, and Sushama Kore. "AUTOMATIC PIPE-WIRE CUTTING MACHINE." International Journal of Engineering Applied Sciences and Technology 5, no. 1 (May 31, 2020): 454–56. http://dx.doi.org/10.33564/ijeast.2020.v05i01.078.

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장일도. "Removable Stone Wire Cutting Machine." Journal of the Korean Society of Mechanical Technology 18, no. 3 (June 2016): 467–71. http://dx.doi.org/10.17958/ksmt.18.3.201606.467.

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Serizawa, Masaki, and Takashi Matsumura. "Micro Milling on Thin Wire." Key Engineering Materials 749 (August 2017): 81–86. http://dx.doi.org/10.4028/www.scientific.net/kem.749.81.

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Micro milling is discussed to fabricate micro-scale structures on titanium alloy thin wires. A machine tool was developed to conduct the milling operations with improving the clamping stiffness. A 0.3 mm diameter wire inserted into polyurethane tubes was clamped on an R-shaped groove on the machine table. The cutting tests were conducted with or without the polyurethane tube support. The machining shapes, the surface finishes and the cutting forces were measured to verify the effect of the polyurethane tube and machine table clamping system on stability in the cutting process. The groove direction is out of the feed direction of the end mill without the polyurethane tube support. The micro grooves are machined properly with a fine surface in the feed direction with the support. The cutting forces change periodically with the cutting thickness and the rotation of the cutter in milling. Non-symmetric grooves are also machined with the developed clamping system.
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Qiu, Li Jun. "Tire Tread Cutting Machine Design Exploration." Advanced Materials Research 479-481 (February 2012): 278–81. http://dx.doi.org/10.4028/www.scientific.net/amr.479-481.278.

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The tire tread of a steel belt layer of steel wire can reduce the separation in grinding process for tool wear. Design of a kind of can will tread on the tire tread along the steel wire belt surface peeling processing machinery. Realization of tread peeling processing requirements. As the tread of a steel belt layer created by the separation of processing conditions.
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., Ala Eldin Gafar, and Khalil Mohammed Ali Said . "INTELLIGENT PLC SYSTEM TO CONTROL WIRE CUTTING MACHINE." International Journal of Engineering Applied Sciences and Technology 03, no. 11 (March 31, 2019): 35–38. http://dx.doi.org/10.33564/ijeast.2019.v03i11.007.

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KAMIYA, OSAMU, YASUYUKI MIYANO, MAMORU TAKAHASHI, YUICHI OGA, ZHAN WEN CHEN, and KENNJI FUNAOKA. "SOLDERING PROCESS AND CUTTING PERFORMANCE OF MICRO SAW WIRE BONDED WITH DIAMOND GRAINS." International Journal of Modern Physics: Conference Series 06 (January 2012): 491–96. http://dx.doi.org/10.1142/s2010194512003662.

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This paper will demonstrate that diamond grains can be bonded to W micro-wires (AD wires) with a specially developed metal solder in a continuous process capable of producing the wire of 1000 m in length. Cutting experiments using a specially designed cutting machine have been conducted. We will demonstrate that AD wire can cut WC (HV2500) and that AD wire performs superior compared to other commercial cutting wires bonded with diamond grains using either Ni plating or resin type. It has also been found that for wire diameter less than ~ 100 µm cutting life of the wire was short and failed in a torsion fracture mode. This will be explained by comparing the friction induced torsion to the twist strength of the wire.
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Cheng, Kun, Jun Fang Ni, Li Li Lv, Zhu Jun Ding, and Xiao Wei Xu. "Research on Automatic Programming System of High Speed Wire Cutting Machine." Applied Mechanics and Materials 43 (December 2010): 637–40. http://dx.doi.org/10.4028/www.scientific.net/amm.43.637.

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Programming of graphical interaction and modular structure are adopted in this wire cutting machine software by analyzing the structure of DXF file, picking out the part’s outline information in Visual C++ 6.0, and combining the manufacture conditions in this paper. The NC codes are obtained which are consistent with the high-speed cutting machine processing system automatically. This system software greatly facilitates the process of high speed cutting machine, shortens programming time and improves the accuracy of the programming.
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Rasti, Arezou, Hamid Ranjkesh Adarmanabadi, and Mohammad Reza Sahlabadi. "EFFECTS OF CONTROLLABLE AND UNCONTROLLABLE PARAMETERS ON DIAMOND WIRE CUTTING PERFORMANCE USING STATISTICAL ANALYSIS: A CASE STUDY." Rudarsko-geološko-naftni zbornik 36, no. 4 (2021): 21–32. http://dx.doi.org/10.17794/rgn.2021.4.3.

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Nowadays, most mining and quarrying industries utilize a diamond wire saw machine for bench cutting operations. This method uses a metal wire or cable assembled by diamond beads to cut the hard stone into large blocks. Many parameters classified into controllable and uncontrollable parameters affect the performance of the diamond wire saw cutting method. The uncontrollable parameters are related to rock engineering properties, and controllable parameters are related to operational aspects and machine performance. The diamond wire sawing process’s production rate is one of the most critical parameters influencing the design optimization and quarrying cost estimation. The cutting rate and wear rate of diamond beads are the most important factors to evaluate quarries’ production performance. This study aims to determine the effects of different controllable and uncontrollable parameters on different quarries’ production rates. Rock engineering properties like strength, hardness, and abrasivity, and operational aspects, such as cutting angle and drive wheel diameters, are considered as the main factors affecting the production performance of the diamond wire saw method. To discover the influence of these parameters, a detailed investigation in ten quarry operations was carried out. The relation between cutting rate and diamond bead wear with different parameters is estimated. It was observed that different controllable and uncontrollable parameters could increase or decrease the cutting rate and diamond bead wearing. Furthermore, using simple and multiple regression analysis, performance prediction of the cutting rate and wearing of diamond beads was developed, and the best equations were proposed.
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Furutani, Katsushi, Eiji Ikeda, Tatsuaki Okada, Kazuto Saiki, and Hiroyuki Ohue. "Prototype Design of Wire-Sawing Machine for Preliminary Experiments to Lunar and Planetary Exploration." Materials Science Forum 773-774 (November 2013): 392–99. http://dx.doi.org/10.4028/www.scientific.net/msf.773-774.392.

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This paper describes design of a prototype of a wire-sawing machine and some machining demonstrations. Slicing the rock samples is preferable to observe their interior for in-situ analysis in lunar and planetary explorations. The requirements for the wire-sawing machine were clarified as follows: using a long saw wire to extend the duty cycle, and winding and unwinding the saw wire with two reels. After building a prototype of the wire-sawing machine, the cutting performance in vacuum was compared with that in air. The cutting depth in vacuum leveled off and was smaller than that in air.
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Vilkelis, Rimantas, Mindaugas Jurevičius, and Ieva Švagždytė. "Characteristics of Processing Water-Soluble Crystals." Solid State Phenomena 251 (July 2016): 30–34. http://dx.doi.org/10.4028/www.scientific.net/ssp.251.30.

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Method of processing water-soluble potassium dihydrogen phosphate (KDP, KH2PO4) crystal is presented in this article. Diamond wire cutting machine “RTS 440“ was used for cutting. Only one of cutting parameters – vertical feed rate of diamond wire – was varied during experiments. Other cutting parameters (speed and strain of wire, cutting method, cutting angle) were constant. Original kerosene cooling system was designed and produced. Results are presented as graphs of dependence of arithmetic average surface profile deviation Ra of KDP and cutting time on vertical feed rate. Optimal interval of feed rates was obtained.
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Dissertations / Theses on the topic "Wire cutting machine"

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Barabáš, Martin. "Aplikace technologie drátové elektroeroze." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2014. http://www.nusl.cz/ntk/nusl-231508.

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This marter’s thesis deals with the technology of electrical discharge wire cutting. There is described the basic nature of the electrical erosion, EDM principle and WEDM principle. The main part deals with the application of wire cutting in the manufacture pulley 68-8M-130 with a description of technology on the wire cutter Excetek V 650. At the end of the work is devoted to the statistical evaluation of the precision machined surfaces.
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Svoboda, Jiří. "Nekonvenční technologie elektroerozivního drátového řezání." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2010. http://www.nusl.cz/ntk/nusl-229332.

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This thesis deals with technology of electric discharge machining with emphasis on application of the principle of material removal on wire cut electric discharge machine. The main part is concentrated on wire cut electric discharge machining in terms of a small tool making shop. The goal of the thesis is to create a wire cut electric discharge machining workplace in the company with a focus on the production of cutting tools. The thesis defines requirements for each component of cutting tools and strategies for their machining. Machining of model part and subsequent technical - economic evaluation is included in the final part.
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Vejrek, Tomáš. "Návrh progresivní technologie výroby střižného nástroje." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2010. http://www.nusl.cz/ntk/nusl-229158.

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Proposal progressive technology of production shearing tools. Description shearing tools and shear of the process, analysis current technology production shearing tools. Proposition two variant technology production given to dies method conventional and unconventional, elaboration technological progress and programmes on choice NC machinery, their comparison and technical economic evaluation in fine with recommendation for usage practically.
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Lien, Ting-Li, and 連鼎立. "NC Data Determination of Wire-Cutting Machine." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/46306249226987126565.

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碩士
國立成功大學
機械工程學系碩博士班
94
This　thesis　presents　an　methodology　to　determine　the　NC　data　equations　for　five-axis　Wire-cut　EDM.　The　desired　wire　location　and　the　machine　tool's　ability　function　are　derived　by　the　Denavit-Hartenberg　notation.　NC　data　equations　are　obtained　by　solving　the　machine　tool's　link　variables　through　equations　of　its　ability　function　and　the　desired　wire　location　matrices.　Wire　radius　compensation　was　also　investigated.　Three　illustrative　examples　have　performed　and　verified　the　developed　 methodology.　We　believe　the　proposed　method　can　make　the　production　process　more　flexible　and　controllable.
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Yi-Sheng, Cheng, and 鄭宜昇. "Design of a Precision Diamond Wire Cutting Machine." Thesis, 2001. http://ndltd.ncl.edu.tw/handle/72363407573837364438.

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碩士
國立臺北科技大學
製造科技研究所
89
This study attempts to develop a kind of machine tools, which is able to cut nonconducting material. Its cutting precision shall be able to be compared with traveling-wire electrical discharge machining, but can also cut nonconducting materials. This machine tool is a kind of NC machine tool using PC-based controller, used to cut some projected shapes which can be defined on a single axis, X-Y dual axes or multiple axis. The said machine is to use one diamond wire loop with motion on direction of Z-axis or a certain direction, to attain the function of cutting. This cutting machine includes top and bottom wire guide pulley which are installed upper and lower the workpiece, surround the diamond wire, expect to be able to support the reaction force incurred during component cutting by the diamond wire. This machine also includes an auto wire tension control mechanism. While diamond wire saw is cutting, it could be able to maintain a constant wire tension. Thus, the wire could be kept as straight as possible and not to cause shifting from the feeding direction. Besides, a tension sensor is also installed over the roller, used to know the cutting force and reactions of a component so as to adjust the drawing speed and feed speed. For a long time, most of the material used to make a die is conductive material. In the recent yeas, such nonconducting materials as ceramics and composites have also been massively applied, however a difficult issue of how to cut into the desire shape is encountered. The theory and technology developed in this study, if applied to design a single-axis machine tool, can focus on column slicing, such as a silicon wafer. If applied to design a machine tool of dual axes or multiple axis, it can cut a more complicated shape.
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LYU, Yi-Ze, and 呂宜澤. "The Study of Corner Cutting Control for Wire-Cutting Electrical Discharge Machine." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/63200526388524328725.

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碩士
大葉大學
機械工程研究所碩士班
94
This study establishes the self-tuning opereation parameters and gap controller in opening architecture type computer numerical controller (CNC). A setp-wise changed operation paramers will be performed from the data base in CNC, in order to reach an appropriate dimention allowance. The reference input of the gap control system will also changed according to accual metal removeal rate. The experimental results show precision of corner cutting comparatively will the results of motion hold at corner in one second.
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Zhang, Jia-Shuo, and 張家碩. "Design and Fabrication of Three-Dimensional Diamond Wire Saw Cutting Machine." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/07876122157936805893.

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碩士
國立臺北科技大學
製造科技研究所
91
The purpose of this study attempts to develop a kind of machine tool that is able to cut hard and brittle nonconducting materials by a diamond wire saw loop. This machine tool is a kind of NC machine tool using PC-based controller(MC8141P) to cut some projected shapes, which can be defined on a single axis, X-Y dual axes or multiple axes. This machine is to use one diamond wire loop with motion on direction of Z-axis or a certain direction, to attain the function of cutting. The workpiece can be held in a side shaft that has protractor and rotational function. This side shaft moves simultaneously with X-Y table and acts as the third axis. The cutting path is simulated by a computer program and the table motion follows accordingly. The shaft that has functions of protractor can rotate an angle to let the wire cut along a cutting path. Consequently, this machine can produce a part with symmetrical or non-symmetrical three-dimensional shapes. With the aid of rotational function the shaft can also produce a symmetrical shape product quickly.
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HSIANG-MIN, LIAO, and 廖祥閔. "The Study of Trajectory Control of Wire-cutting Electrical Discharge Machine." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/94963011828883296030.

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碩士
大葉大學
機械工程研究所碩士班
93
The main purpose of this study is to develop the open architecture CNC system of Wire-cutting EDM. The man-maching interface，part program in macro module，machine logioc control and operation parameters transfer are all built in the controller. A gap controller is also build via the lade diagram. Which can main fain a gap between the workpiece and the wire. The discharge can occur along the desired trajectory. The developed controller is equipped on a practical WEDM. The linear 、circular、and mult-shaper are machine by practical WEDM in order to conform the function on CNC.
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Lin, Yu-Hsiang, and 林于翔. "Development of a Wire-EDM Machine for the Fabrication of Micro Cutting Tools." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/3yhyxy.

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碩士
華梵大學
機電工程學系
107
There is a great demand for precision machining owing to the rapid development of aerospace, photonic and mold industries. Therefore, developing machine tools for the fabrication micro cutting tools and its related technologies are vitally important for precision machine tool industry. This study aims to develop a specific tabletop micro wire-EDM machine with machine-vision-based measurement for the fabrication of micro end milling tools. This machine tool contains a gantry-type granite mechanical structure, a four- axis motion control system, an oil-based iso-pulse generator, a wire transport system, a machine-vision-based system and a CNC system. The CNC system can implement the functions of four-axis synchronous motion control, closed-loop wire tension control and on-line machine-vision-based measurement by means of an IMP2 motion control card and a remote I/O card. A novel micro wire transport system has been presented based on wire spool with permanent magnet brushless DC motor and wind up reels with permanent magnet brushless DC motor. Dynamic model of the wire transport system and a closed loop wire tension control system were derived and analyzed. A PID controller was employed to investigate the dynamic performance of the closed-loop wire tension control system. Test results has shown that standard deviation and coefficient of variation of the closed-loop wire tension control system can be kept as 7.75 cN and 3.04 %, respectively compared with 12.18 cN and 4.8% provided by open-loop control. Experimental results demonstrate that a tungsten carbide micro end milling tool with a diameter of 300 m can be fabricated by this tabletop machine tool. Depth and width of cutting slit can be on-line measured by using the machine vision system. Compared to measurement results using tool microscope, measurement error can be controlled within 3 %.
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Shen, Cheng-fu, and 沈承賦. "Adjusting Wire Saw Machine Parameter And Useage Amount of Slurry to Decrease Multi-crystalline Silicon Cutting Cost." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/88687150132619288720.

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碩士
國立高雄第一科技大學
電腦與通訊工程研究所
103
The thesis illustrate the processes of solar cells from massproduction aspect, and focus on the cutting process improvement. The purpose of research is how to reduce PEG、SiC amount in cutting process that the main reason is based on PEG、Wire、SiC are consumables and occupy 63% of total cutting process cost. The used slurryare by IHI recycle machine in this experimentation, and some of the slurry will be used in next production. Testing the high yield rate in different amount of the slurry and cutting speed after bricks cutting, then find out the best parameter from the test ,reducing the amount of PEG、SiC to achieve cost down.
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Books on the topic "Wire cutting machine"

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1961-, Sommer Steve, ed. Wire EDM manual. Houston, TX: Technical Advance Pub., 1992.

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Book chapters on the topic "Wire cutting machine"

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Figliolini, Giorgio, Pierluigi Rea, and Carlo Cocomello. "Mechatronic Design and Prototype of a 4-DOFs Hot-Wire CNC Cutting Machine." In Advances in Service and Industrial Robotics, 591–98. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-61276-8_62.

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Loh, Paul, Yuhan Hou, Chun Tung Tse, Jiaqi Mo, and David Leggett. "Freeform Volumetric Fabrication Using Actuated Robotic Hot Wire Cutter." In Proceedings of the 2020 DigitalFUTURES, 280–89. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-33-4400-6_26.

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AbstractThis paper discusses the design, fabrication and operational workflow of a novel hot-wire cutter used as an end effector for a robotic arm. Typically, hot wire cutters used a linear cutting element which results in ruled surfaces geometry. While several researchers have examined the use of hot wire cutter with cooperative robotic arms to create non-ruled surface geometry, this research explores the use of an actuated hot wire cutter manoeuver by a single robotic arm to produce similar form. The paper outlines the machine making process and its workflow resulting in a 1:1 scale prototype. The paper concludes by examining how the novel tool can be applied to an urban stage design. The research set up a fabrication procedure that has the potential to be deployed as an on-site fabrication methodology.
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Pramanik, Debal, and Dipankar Bose. "Experimental Evaluation on Corner Accuracy in WEDM for Aluminium 6061 Alloy." In Machine Learning Applications in Non-Conventional Machining Processes, 96–113. IGI Global, 2021. http://dx.doi.org/10.4018/978-1-7998-3624-7.ch007.

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An important electro-thermal process known as wire electrical discharge machining (WEDM) is applied for machining of conductive materials to generate most precisely. All cutting inaccuracies of WEDM arise out of the major cause of wire bending. At the time of cutting a sharp corner or cut profile, bending of the wire leads to a geometrical error on the workpiece. Though this type of error may be of a few hundred microns, it is not suitable for micro applications. In this research study, an experimental investigation based on response surface methodology (RSM) has been done on wire EDM of Aluminium 6061 t6 alloy. This chapter studies the outcome of input process variables (i.e., wire feed rate, pulse on time, pulse off time, and gap voltage) on machining output responses (i.e., corner inaccuracy) extensively. Experimental validation of the proposed model shows that corner inaccuracy value may be reduced by modification of input parameters.
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Faisal, Nadeem, Sumit Bhowmik, and Kaushik Kumar. "Recent Developments in Wire Electrical Discharge Machining." In Non-Conventional Machining in Modern Manufacturing Systems, 125–52. IGI Global, 2019. http://dx.doi.org/10.4018/978-1-5225-6161-3.ch006.

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The tremendous growth of manufacturing industries and desired need of accuracy and precision has put a great importance on non-traditional machining processes. Metal and non-metals having properties like high strength, toughness, and hardness is generally machined by non-conventional machining methods. One of earliest non-traditional machining that is still in use and being effectively utilized in industries is wire electrical discharge machine. This machining technique gives a tough line of competition to conventional machining process like milling, grinding, broaching, etc. Cutting intricate and delicate shapes with accuracy and precision gives this machining technique an edge over other conventional machining and non-conventional machining processes. This chapter provides an insight to various research and prominent work done in field of WEDM by various scientists, researchers, and academicians. The chapter also emphasizes various advantages and disadvantages of different modelling and optimization methods used. The chapter concludes with some recommendations about trends for future WEDM researchers.
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Karsh, Pradeep Kumar, and Hari Singh. "Multi-Characteristic Optimization in Wire Electrical Discharge Machining of Inconel-625 by Using Taguchi-Grey Relational Analysis (GRA) Approach." In Design and Optimization of Mechanical Engineering Products, 281–303. IGI Global, 2018. http://dx.doi.org/10.4018/978-1-5225-3401-3.ch014.

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Inconel 625 is a nickel-chromium based super-alloy which is mostly used in high end applications due to its excellent chemical and fabrication properties combined with high strength and outstanding corrosion resistance. Wire EDM is most commonly the used process for machining this material and gives high accuracy and precision in the machined parts. In this paper, an attempt is made to undertake an experimental investigation to optimize the input variables like pulse on time, pulse off time, peak current, and servo voltage in Wire EDM for achieving simultaneous optimization of cutting rate, surface roughness, dimensional deviation, and wire wear ratio. Taguchi's L9 orthogonal array with one replication has been used as an experimental design and then analysis of variance (ANOVA) has been applied to determine the significant parameters and their contributions on response variables. Taguchi method has been combined with grey relational analysis for multi-characteristic optimization. Finally, results are validated with the help of confirmation experiments.
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Conference papers on the topic "Wire cutting machine"

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Huang, Jung-Tang, Yi-Sheng Cheng, and Sheng-Hsiung Shih. "Design of a Multi-Axis Diamond Wire Cutting Machine." In ASME 2000 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2000. http://dx.doi.org/10.1115/detc2000/dac-14237.

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Abstract This study attempts to develop a machine tool to let its cutting function and precision be able to compare with the counterpart of the wire-cut electrical discharge machine, and also can cut non-conducting materials. This machine tool is numerically controlled by a PC-based controller to cut some projected shapes defined on a single axis, dual axes or multiple axes. This machine is to use one diamond wire loop with motion in direction of Z-axis or a certain direction, to attain the function of cutting. The wire could be kept as straight as possible at the cutting zone and not to shift laterally from the feeding direction. Besides, a tension sensor based on CCD cameras is also installed to know the cutting force and reactions of the workpiece against the diamond wire so as to adjust the wire travelling speed and feedrate of the workpiece to cut the corner precisely.
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Liu, Bin, Hongyan Ju, Zhongwei Zhao, Gong He, and Haibin Wang. "The Tension and Temperature Automatic Control Device for the Cutting Wire of EPS Cutting Machine." In 2016 6th International Conference on Advanced Design and Manufacturing Engineering (ICADME 2016). Paris, France: Atlantis Press, 2016. http://dx.doi.org/10.2991/icadme-16.2016.144.

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Abeysinghe, Asith, Shameera Abeysiriwardena, Roshan Nanayakkarawasam, Walallawita Wimalsiri, Thilina Dulantha Lalitharatne, and Salinda Tennakoon. "Development of a numerically controlled hot wire foam cutting machine for wing mould construction." In 2016 Moratuwa Engineering Research Conference (MERCon). IEEE, 2016. http://dx.doi.org/10.1109/mercon.2016.7480116.

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Hardin, Craig W., Jun Qu, and Albert J. Shih. "Fixed Abrasive Diamond Wire Saw Slicing of Single Crystal SiC Wafers." In ASME 2003 International Mechanical Engineering Congress and Exposition. ASMEDC, 2003. http://dx.doi.org/10.1115/imece2003-41836.

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This paper investigates the slicing of single crystal SiC with a fixed abrasive diamond wire. A spool-to-spool rocking motion diamond wire saw machine using a 0.22 mm nominal diameter diamond wire with electroplated bond and 20 μm average size diamond grit is used. The effect of wire downfeed speed on wafer surface roughness and subsurface damage is first investigated. The surface marks due to the loose diamond and stagnation of the wire during the change in wire cutting direction are studied. A scanning acoustic microscope is explored as a non-destructive evaluation method to identify the level of subsurface damage. Another set of tests investigates the effects of using a new diamond wire on the cutting forces and surface roughness. Scanning electron microscopy (SEM) is applied to examine the machined surfaces and the diamond wire wear. This study demonstrated the feasibility of fixed abrasive diamond wire cutting of SiC wafers and the usage of a scanning acoustic microscope to study the machining subsurface damage.
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Ding, Jack, Ahmed Al-Jumaily, and Doug Wilson. "Analysis of Impact Noise of Nail Ejection in Wire Nail Machines." In ASME 1999 Design Engineering Technical Conferences. American Society of Mechanical Engineers, 1999. http://dx.doi.org/10.1115/detc99/vib-8117.

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Abstract A wire nail production machine can be classified as one of the punch press machines. By nature, the production of wire nails involves the development of a series of force impulses which in turn generate various sound pressure levels with different frequencies. Typically, the machine operations generating impact noise include pressing, cutting, ejecting, wire gripping and feeding. The punch pressing is the movement of punch header to press forming the nail head. It produces a large force impulse which in turn generates a high level of impact noise and consequently high levels of ancillary impact noise such as the impact noise by the backlashes. It has been found that this type of impact noise is not necessarily the most annoying one. The impact noise generated by nail ejection, however, has been identified as one of the annoying noise components. The ejector used in a nail machine for executing the movement of nail ejection produces ringing noise at high frequencies when it is struck by the punch header in each cycle of the machine operations. This paper presents the analyses of and experiments on the ejection force impulse and the characteristics of the impact noise generated by nail ejection.
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Patil, N. G., P. K. Brahmankar, and L. G. Navale. "On the Optimisation Into Wire Electro-Discharge Machining of Al/Al2O3P Composites." In ASME 2007 International Mechanical Engineering Congress and Exposition. ASMEDC, 2007. http://dx.doi.org/10.1115/imece2007-41775.

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Non-traditional process like wire electro-discharge machining (WEDM) is found to show a promise for machining metal matrix composites (MMCs). However, the machining information for the difficult-to-machine particle-reinforced material is inadequate. This paper is focused on experimental investigation to examine the effect of electrical as well as nonelectrical machining parameters on performance in wire electro-discharge machining of metal matrix composites (Al/Al2O3p). Taguchi orthogonal array was used to study the effect of combination of reinforcement, current, pulse on-time, off-time, servo reference voltage, maximum feed speed, wire speed, flushing pressure and wire tension on kerf width and cutting speed. Reinforcement percentage, current, on-time was found to have significant effect on cutting rate and kerf width. The optimum machining parameter combinations were obtained for cutting speed and kerf width separately.
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7

Patil, N. G., P. K. Brahmankar, and L. G. Navale. "Some Investigations Into Multi-Objective Optimization of Wire Electro-Discharge Machining of Al/SiCp Composites." In ASME 2007 International Manufacturing Science and Engineering Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/msec2007-31060.

Full text
Abstract:
Non-traditional process like wire electro-discharge machining (WEDM) is found to show a promise for machining metal matrix composites (MMCs). However, the machining information for the difficult-to-machine particle-reinforced material is inadequate. This paper is focused on experimental investigation to examine the effect of electrical as well as non-electrical machining parameters on performance in wire electro-discharge machining of metal matrix composites (Al/SiCp). Taguchi orthogonal arrays were employed to study the effects of combinations of voltage, current, pulse on-time, off-time, and wire speed and wire tension on kerf width and cutting speed. Voltage, current, and on-time were found to have significant effect on cutting speed and kerf width. The optimum machining parameter combinations were obtained for cutting speed and kerf width separately. Further, multi-objective optimization was done using Taguchi-Grey relational analysis. The process has been improved with the aid of Grey relational analysis and Taguchi orthogonal array. The results have been verified with confirmation experiments.
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8

Ramu, Gurupavan Hurugalavadi, Holalu Venkatadas Ravindra, and Devegowda Tadagavadi Muddegowda. "Effect of Wire Electrode Materials on Performance Characteristics for Wire Electrical Discharge Machining of Metal Matrix Composite Material." In ASME 2020 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/imece2020-23511.

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Abstract Composite materials are the advanced materials which are widely used in manufacturing industries. The most commonly used composite materials are metal matrix composites. Due to the presence of abrasive reinforcing particles, traditional machining of these causes severe tool wear and hence reduces the life of cutting tool. Wire electrical discharge machining (WEDM) is quite successful for machining of metal matrix composites. Wire Electrical Discharge machining is a specialized thermal machining process capable of accurately machining parts of hard materials with complex shapes. One of the main research fields in WEDM is related to the improvement of the process productivity by avoiding wire breakage. Wire electrodes used in WEDM are the core of the system. In this study the effect of different wire electrode materials on electrode wear and surface finish for wire electrical discharge machining of metal matrix composite material were investigated. The experiments were conducted under the following process parameters viz., pulse-on time, pulse-off time, wire feed speed and current. For the experiment the aluminium 6061 alloy with 0%, 5%, and 10% of silicon carbide (SiC) reinforcement material was used. To conduct the experiment CNC wire EDM machine with two different wires viz., molybdenum and brass wire was used. Experimental results indicate that for better surface finish of Al6061 alloy, the brass wire is more suitable. The use of brass wire as electrode material leads to significant reduction in electrode wear in machining of Al-5%SiC and Al-10%SiC composite materials compare to molybdenum wire. Increasing percentage of silicon carbide in aluminium 6061 alloy increases the variation in surface finish and electrode wear. Wire wear rate of both brass and molybdenum wire is increased with increase in percentage of silicon carbide.
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9

Bicknell, Gregory, and Guha Manogharan. "A Comparison of the Effects of Wire Electrical Discharge Machining Parameters on the Processing of Traditionally Manufactured and Additively Manufactured 316L Stainless Steel Specimens." In ASME 2018 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/imece2018-88014.

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Wire electric discharge machining (EDM) is a non-traditional machining method that has the ability to machine hard, conductive materials, with no force and high precision. This technology is used in industries, like the aerospace industry, to create precision parts used in high stress applications. Wire EDM is also commonly used in additive manufacturing (AM) applications to remove printed parts from the base-plates onto which they are printed. Numerous studies show the effects of EDM parameters, like pulse-on time, pulse-off time, and cutting voltage, on the processing of traditionally fabricated metal parts. However, very few studies identify how the parameters of wire EDM affect the processing of AM parts. This paper studies the effect of wire EDM pulse-on time, pulse-off time, and cutting voltage on the machining time, surface roughness, and hardness of additively manufactured 316L stainless steel cylinders. The effects of these wire EDM parameters are then tested on the machining time, surface roughness, and hardness of wrought 316L stainless steel cylinders. It was found that machining time of AM samples was statistically significantly lower than wrought samples and also had better surface finish and lower surface hardness.
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10

Covarrubias, Mario, Monica Bordegoni, and Umberto Cugini. "Multifunctional Device for Assisting Unskilled People in Hand Movements Through the Haptic Point-Based Approach." In ASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/detc2011-47882.

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This paper describes a multifunctional haptic machine, a device that is used for assisting unskilled people in the assessment and training of hand movements. Sketching, hatching and cutting operations are assisted through the multifunctional device by using the haptic point-based approach. The device has enabled users to haptically interact with a 2D virtual template, which acts as a virtual tool path taking advantages of its force feedback capabilities. For sketching, hatching and cutting operations the haptic device is driven under the user movement and assisted through the Magnetic Goemetry Effect (MGE). Two configurations of the multifunctional device have been analyzed; the cartesian and the RR mechanism attached to the PHANTOM device. For sketching and hatching several pencils and pens colors are available. Regarding the cutting operation, a hot wire cutting tool can be replaced for cutting soft materials as expanded and extruded polystyrene foam. This paper discusses the design concept, kinematics and mechanics of the multifunctional haptic device. A brief test using the device in sketching, hatching and cutting operations is also given.
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