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Journal articles on the topic 'Jet cutting'

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Author: Grafiati

Published: 4 June 2021

Last updated: 31 January 2023

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1

David, P. P., C. K. Bonsi, E. Bonsi, R. D. Pace, O. Clark, and L. C. Garner Carva. "EFFECTS OF SEQUENTIAL FOLIAGE TOPPING ON YIELD OF TWO SWEETPOTATO CULTIVARS." HortScience 28, no. 4 (April 1993): 266D—266. http://dx.doi.org/10.21273/hortsci.28.4.266d.

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The effects of sequential foliage topping on two sweetpotato [Ipomoea batatas (L) Lam cvs Georgia Jet, TU-82-18921 cultivars were investigated in a field trial. Three initial foliage cuttings (15 cm cutting from the growing tip) were initialed at 45.60 and 75 days after planting (DAP). Each initial cutting date was followed by zero, one or two cuttings at biweekly intervals. Total storage root yields were not affected by cutting treatments regardless of the cultivar investigated. Both cultivars differed in their response in dry matter accumulation, while Georgia Jet was not affected by cutting treatments, TU-82-1892 accumulated less dry matter when foliage tips were removed twice during the growth cycle (75.90 DAP) compared to all other cutting treatments. The amount of foliage tips removed from each cultivar differed significantly over all treatment levels with Georgia Jet producing more foliage tips than TU-82-1892. However. production of foliage tips for both cultivars was greatest when foliage cutting was delayed until 75 DAP.

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2

Volgina, Ludmila, and Stanislav Sergeev. "Water jet cutting resistance." IOP Conference Series: Materials Science and Engineering 869 (July 10, 2020): 072035. http://dx.doi.org/10.1088/1757-899x/869/7/072035.

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3

Ferenc, K. "Cutting with water jet." Welding International 21, no. 10 (October 2007): 730–35. http://dx.doi.org/10.1080/09507110701668747.

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4

Cui, Dandan, Hongwen Li, Jin He, Qingjie Wang, Caiyun Lu, Hongnan Hu, Xiupei Cheng, and Chunlei Wang. "Applications of Water Jet Cutting Technology in Agricultural Engineering: A Review." Applied Sciences 12, no. 18 (September 7, 2022): 8988. http://dx.doi.org/10.3390/app12188988.

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Cutting is a significant part of agricultural material processing, and the cutting technology determines the quality of agricultural products. Water jet cutting technology is a non-contact and cold cutting technology suitable for cutting agricultural materials. It can realize an environmentally friendly cutting process avoiding such problems as heat generation, sharpening and cleaning blades, and microbial cross-contamination. This paper reviews the current status of water jet cutting of six kinds of agricultural materials, including vegetables, fruits, meats, woods, stems, and soils. By analyzing how to complete different cutting operations, improve cutting ability, or control post-cutting influences, the problems and solutions of water jet cutting of each material are summarized. Then, combined with the application requirements, some suggestions are put forward for developing water jet cutting technology. The results would help researchers determine key information required by cutting agricultural materials and provide a reference for further research on water jet cutting technology in agricultural engineering.

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5

Šúňová, Anna, Roman Šúň, Emil Spišák, and Mária Franková. "The assessment of properties for selected factors in abrasive water jet process." Acta Metallurgica Slovaca 21, no. 3 (September 30, 2015): 203. http://dx.doi.org/10.12776/ams.v21i3.586.

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The article presents the current conditions of abrasive water jet cutting process and factors relative to the quality of cutting surface. The main goal of research was to evaluate the assessment of the cutting depth, corrugated bottom cutting edge and roughness of the specimens depending on selected factors such as cutting velocity and abrasive amount in the abrasive water jet process. Specimen were cut in four phases as a square. Main results were that the distance between water jet entering and water jet leaving is decreased with the increasing abrasive amount and by following lower cutting rates. The increasing of a cutting rate negatively effects the quality of the cut surface and the size of the distance between water jet entering and water jet leaving, because the increasing of a cutting rate increases also values of the mentioned parameters. As to the distance between water jet entering and water leaving, the abrasive amount of 200-250 g.min-1 at the rate of 50 mm.min-1 is considered to be optimal, but outside this range the influence of the abrasive amount impacts negatively, primarily on water jet entering and water jet leaving that has a direct influence on the corrugated bottom cutting edge.

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6

Kido, Hidetaka. "Practical Side of Cutting. (4). Water Jet Cutting." Journal of the Japan Welding Society 62, no. 2 (1993): 73–77. http://dx.doi.org/10.2207/qjjws1943.62.73.

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7

Kubik, Anna, and Leonhard Kleiser. "Multiphase Jet Flow in Abrasive Water Jet Cutting." PAMM 9, no. 1 (December 2009): 457–58. http://dx.doi.org/10.1002/pamm.200910201.

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8

Su, Yu. "3D FEM Simulation of Water Vapor Jet Assisted Metal Cutting." Open Mechanical Engineering Journal 8, no. 1 (April 18, 2014): 132–37. http://dx.doi.org/10.2174/1874155x20140501007.

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Water vapor jet assisted metal cutting is a pollution-free green cutting technique. This paper has developed a three-dimensional finite element model of water vapor jet assisted cutting in order to understand the influence of its cooling and lubricating effect on cutting process. The cooling effect of water vapor jet is modeled with a convective heat transfer coefficient. A window with the temperature and the heat transfer coefficient of water vapor jet, which can move at the same speed as the tool, has been defined on the tool face so as to continuously simulate cooling process of the cutting zone under water vapor jet condition. Friction contact between tool and chip is modeled by a constant shear model. The shear friction factor with different values has been set to study the influence of lubricating effect of water vapor jet. Simulation results show that compared with its cooling effect, the lubricating effect of water vapor jet is more effective to reduce cutting force and tool temperature. A further improvement in the lubricating effect of water vapor jet also results in an obvious reduction in cutting force and tool temperature. The findings obtained in this study may provide helpful information for developing water vapor jet assisted cutting process.

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9

Uhlmann, E. Prof, P. John, and J. Mankiewicz. "Strahlschneiden mit flüssigem CO2 als Strahlmedium*/Jet cutting with liquid CO2 as jet medium - Qualifying high pressure CO2 jet cutting and comparison to water jet cutting." wt Werkstattstechnik online 106, no. 10 (2016): 775–80. http://dx.doi.org/10.37544/1436-4980-2016-10-101.

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Hochdruckstrahlschneiden mit flüssigem CO2 bietet die Möglichkeit der trockenen sowie rückstandsfreien Bearbeitung unterschiedlichster Werkstoffe. Mithilfe eines experimentellen Versuchsstands können flüssige CO2-Strahlen mit einem Druck von bis zu 3000 bar erzeugt werden, die nach dem Austritt aus der Düse – trotz Atmosphärenbedingungen und Übergang in die Gasphase – zeitweise für die Bearbeitung von Werkstücken sowie Oberflächen nutzbar sind. Erste Versuche führten zu Grundlagenwissen über Strahlstoßkraft und Kerbgeometrien.   Cutting with a high-pressure CO2 jet has the potential for a dry and residue-free machining of various materials. With an experimental system a high-pressure liquid CO2 jet with up to 3000 bar expands into atmospheric pressure after exiting the nozzle and can be used for the machining of parts and surfaces. Investigations led to basic knowledge about jet force and notch geometries.

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10

Xia, Ji Sheng, Qing Zhu Jia, and Zhen Zhen Sun. "Pre-Mixed Abrasive Water Jet Cutting in the Marble." Advanced Materials Research 981 (July 2014): 818–21. http://dx.doi.org/10.4028/www.scientific.net/amr.981.818.

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High-pressure abrasive water jet cutting is a cold and non-traditional method, with many advantage which the traditional processing do not have.The traditional method of cutting marble have rough sections, poor dimensional accuracy, large seam, high tool cost and the processing efficiency is low. Can be considered high-pressure abrasive water jet cutting to improve its traditional cutting defects. This article explores the use of the pre-mixed abrasive water jet cutting in the marble, and its comparison with traditional methods, highlighting the advantages which the pre-mixed abrasive water jet cutting in the marble.

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11

T. D. Valco, C. G. Coble, and J. H. Ruff. "Water Jet Cutting of Sugarcane." Transactions of the ASAE 32, no. 2 (1989): 0373–78. http://dx.doi.org/10.13031/2013.31012.

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12

Kai, Shoya, Haruo Sai, Masanori Kunieda, and Heikan Izumi. "Study on Electrolyte Jet Cutting." Procedia CIRP 1 (2012): 627–32. http://dx.doi.org/10.1016/j.procir.2012.05.011.

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13

Ni, Jun, Lianhua Hu, Shixian Chen, and Zhengye Wang. "Flow Field Simulation and Parametric Design of High-pressure Water Jet Cutting Leather Based on Fluent." Architecture Engineering and Science 3, no. 2 (July 5, 2022): 155. http://dx.doi.org/10.32629/aes.v3i2.900.

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This paper studies the flow field simulation process of high-speed water jet cutting leather. Based on the water jet impact model, Fluent is used to analyze different jet pressures, spray distances and nozzles diameter. The effect of the outlet diameter on the jet impact velocity and the impact area is studied. Through the study of three factors, it is found that the jet pressure has the greatest and most direct influence on the jet velocity. Therefore, adjusting the jet pressure is an important means to successfully complete the water jet cutting. The above research has a good guiding for cutting leather.

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14

Bilz, Martin, and Eckart Uhlmann. "Dry and Residue-Free Cutting with High-Pressure CO₂-Blasting." Advanced Materials Research 1018 (September 2014): 115–22. http://dx.doi.org/10.4028/www.scientific.net/amr.1018.115.

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Jet cutting with high-pressure CO2 jets has the potential for a dry and residue-free machining of materials. However, a high-pressure CO2 blasting plant as well as experimental expertise for the continuous jet cutting with high-pressure CO2 at atmospheric conditions are not available. A pilot plant for the continuous jet cutting with liquid carbon dioxide was developed and realized at the Fraunhofer-Institute for Production Systems and Design Technology. Identical cutting tests were carried out in polyurethane blocks of different Shore D-hardness and density with high-pressure CO2 and water jets. Based on the first results in polyurethane blocks the tests were extended to cutting carbon fibre reinforced plastic plates with the high-pressure CO2 jet. Finally the possibilities and limits of the high-pressure CO2 jet cutting were summarised.

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15

Chen, F. L., and E. Siores. "The effect of cutting jet variation on striation formation in abrasive water jet cutting." International Journal of Machine Tools and Manufacture 41, no. 10 (August 2001): 1479–86. http://dx.doi.org/10.1016/s0890-6955(01)00013-x.

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16

Белов, Владимир, Vladimir Belov, Вадим Вельтищев, Vadim Vel'tischev, Андрей Галиновский, Andrey Galinovskiy, Анна Илюхина, Anna Ilyuhina, Дарья Мугла, and Dar'ya Mugla. "RATIONAL PARAMETER EXPERIMENTAL DEFINITION OF ELEMENTS FOR JET FORMING PATH OF PLANT FOR UNDERWATER MATERIAL HYDROABRASIVE-JET CUTTING." Bulletin of Bryansk state technical university 2018, no. 7 (October 4, 2018): 4–12. http://dx.doi.org/10.30987/article_5ba8a1860f13c0.98445000.

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A possibility for the creation of a design and technology for manufacturing focal tubes for underwa-ter material hydro-abrasive jet cutting by means of ex-perimental development both existing hydro-jet nozzles and pre-production models of hydro-jet ones, focal tubes and designs of cutting blocks is analyzed. According to the research results at the given stage it is possible to say that the inner profile of a hy-dro-jet nozzle and also a cutting block design optimum from the point of view of productivity are defined. Impossibility to use already existing focal tubes used in the technology of material hydro-abrasive jet cutting for the technology of underwater hydro-abrasive jet cutting (UHAC) in view of the non-assurance of the specified power parameters of a hy-dro-abrasive jet is revealed. There is developed a me-thodical plan for the fulfillment of investigations pro-viding searches of ways to fulfill requirements made to UHAC.

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17

Mane, Sandip, and Sanjay Kumar. "Investigation on Effects of Cutting and Jet Parameters in Turning of AISI 4140 Hardened Alloy Steel." Materials Science Forum 969 (August 2019): 732–37. http://dx.doi.org/10.4028/www.scientific.net/msf.969.732.

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Turning of hardened alloy steel (Hard turning) is a replacement for grinding operation. The heat generation and temperature during hard turning at the cutting zone and due to the friction at tool-chip-workpiece interface are significant parameters which influence chip formation mechanism, tool wear, tool life, surface integrity and hence the machining quality. Cutting fluid performs key role in metal cutting due to its cooling and lubrication action. Flood cooling is a common method of cutting fluid application, in which large quantity of cutting fluid is applied at the cutting zone. Due to environmental, health and safety concerns, the usage of cutting fluid in abundant quantity is being restricted. Most of the researchers have varied the cutting parameters like cutting speed, feed rate and depth of cut to machine different work materials with different cutting tools and studied its effects on cutting force and cutting temperature. It is thus essential to study the combine effect of cutting and jet parameters in machining. This research article focusses on study and optimization of cutting and jet parameters on tool-chip interface temperature and cutting forces during turning hardened alloy steel AISI 4140 steel of 50 HRC using Finite Element Analysis and Taguchi’s Technique. Three levels of cutting speed, feed rate, depth of cut, jet angle and jet velocity are chosen. A suitable L27 Orthogonal array is selected based on Taguchi’s Design of Experiments (DoE) and the output quality characteristics such as tool-chip interface temperature and cutting forces are analyzed by Signal-to-Noise (S/N) ratio. Analysis of Variance is performed to determine the most contributing factor, which shows that the feed and depth of cut are the most prominent contributing parameter followed by cutting speed, jet impingement angle and jet velocity.

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18

Kondo, Eiji, Daisuke Goto, Yuki Nishimura, and Mitsuhiro Nakao. "Effects of Cutting Atmosphere on High-Speed End Milling Process for Titanium Alloy Ti6Al4V." Materials Science Forum 874 (October 2016): 46–51. http://dx.doi.org/10.4028/www.scientific.net/msf.874.46.

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As titanium alloys have a high strength-to-weight ratio and superior corrosion resistance, they are widely used in the aerospace, biomedical, and automotive industries. However, these alloys exhibit very poor machinability, which results in problems such as short tool life. This study investigates the effect of the cutting atmosphere on tool wear during high-speed end milling of the titanium alloy Ti6Al4V. Dry cutting, cold air jet cutting, cutting fluid mist jet cutting, and cutting fluid flush cutting were considered in order to determine the optimum cutting atmosphere and conditions. For down-cutting speeds of 200−300 m/min, the cutting atmosphere and cutting speed were adopted as experimental parameters. Down-cutting was performed in order to measure the width of the tool flank wear land as the cutting length was increased. The results indicated that the optimum cutting method was cold air jet cutting. For a cutting length of 500 mm, this method produced a narrower flank wear land than dry cutting. In addition, for longer cutting lengths of up to 4000 mm, the wear rate for cold air jet cutting was less than or equal to that for dry cutting, and no chipping or excessive wear was observed.

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19

Herghelegiu, Eugen, Crina Radu, Carol Schnakovszky, and Ion Cristea. "Influence of the Distance between the Cutting Head and Working Sample on the Geometric Precision in Water Jet Abrasive Cutting Process." Applied Mechanics and Materials 371 (August 2013): 240–44. http://dx.doi.org/10.4028/www.scientific.net/amm.371.240.

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Water jet cutting is an unconventional technology used for materials processing. Abrasive water jet cutting has become a highly developed industry technology. Its development has been favored by the fact that abrasive water jet cutting can be used in practically all areas in which solids are processed stone, glass, plastics, composite materials and metals. It is known to be one of the most versatile and rapid cutting methods that can be applied to process a greater variety of materials such: metallic materials, non-metallic materials. By comparing with the classical technologies, the water jet cutting presents the following advantages: very low side forces during the machining; it is rapid; it is silent; no thermal distortion, high flexibility and has a good cutting accuracy and minimal burrs. The aim of the present paper is to present the results of the study regarding the influence of the distance between the cutting head and working sample processed by abrasive water jet cutting on the surface roughness and dimensional accuracy of the processed part.

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20

Ohlsson, L., J. Powell, A. Ivarson, and C. Magnusson. "Comparison between Abrasive Water Jet Cutting and Laser Cutting." Journal of Laser Applications 3, no. 3 (October 1991): 46–50. http://dx.doi.org/10.2351/1.4745288.

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21

Gee, C. "Water-jet cutting machine offers accurate 'green' gasket cutting." Sealing Technology 2001, no. 89 (May 2001): 11–12. http://dx.doi.org/10.1016/s1350-4789(01)80002-7.

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22

Honl, M., V. K. Shekhawat, C. Pacione, T. Schwenke, and M. A. Wimmer. "Water jet cutting, an alternative method for cutting cartilage." Journal of Biomechanics 39 (January 2006): S576. http://dx.doi.org/10.1016/s0021-9290(06)85381-9.

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23

Peko, Ivan, Bogdan Nedić, Marko Dunđer, and Ivan Samardžić. "TAGUCHI OPTIMIZATION OF BEVEL ANGLE IN PLASMA JET CUTTING PROCESS OF ALUMINIUM ALLOY 5083." Journal of Production Engineering 23, no. 2 (December 30, 2020): 1–6. http://dx.doi.org/10.24867/jpe-2020-02-001.

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This paper presents Taguchi optimization of bevel angle in plasma jet cutting process of aluminium alloy EN AW 5083. Experimentations for this paper were carried out on the basis of standard L27 Taguchi's orthogonal array in which three plasma jet cutting parameters such as cutting speed, arc current and cutting height were arranged at three levels. From the analysis of means, analysis of variance and two-way interactions plot, significant plasma jet cutting process parameters and optimal combination of their levels that lead to minimal bevel angle were identified. The results showed that all three process parameters significantly affect bevel angle response. The predicted response at optimal plasma jet cutting conditions has a good fit with result of bevel angle from observed experiment.

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24

Herghelegiu, Eugen, Crina Radu, Carol Schnakovszky, and Valentin Zichil. "Quality of the Cut Surfaces Processed by AWJC as a Function of the Distance between the Cutting Head and Working Sample." Applied Mechanics and Materials 809-810 (November 2015): 207–12. http://dx.doi.org/10.4028/www.scientific.net/amm.809-810.207.

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Water jet cutting is one of the newest techniques in non-conventional machining processes. It is a flexible technology since the same equipment can be used to cut virtually any material, such as steel stainless steel, high-nickel alloys and polymer composites (usually, for these materials, the water jet is mixed with an abrasive material, the process being known as abrasive water jet cutting - AWJC) . Compared with the classical technologies, water jet cutting presents the following advantages: very low side forces during machining, it is rapid, it is silent, no thermal distortion, a good cutting accuracy and minimal burrs. To optimize the process, it is necessary to analyze the influence of process parameters on the quality of cut. The aim of this paper is to analyze the influence of distance between the cutting head and the working sample on the quality of cut, quantified by the following parameters: width of the processed surface at the jet inlet, jet outlet, deviation from perpendicularity, inclination angle and roughness.

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25

Perianu, Ion Aurel, Radu Cojocaru, Emilia Florina Binchiciu, and Gabriela Victoria Mnerie. "Innovative Solutions for Waste Removal (Used Abrasive) Resulted from Water Jet Cutting Process." Engineering Innovations 2 (June 20, 2022): 49–57. http://dx.doi.org/10.4028/p-40ya00.

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Due to the extraordinary qualities established and imposed worldwide, the water jet cutting process is increasingly used in current industrial applications.It is well known that the process can be applied to a wide range of materials: metallic and non-metallic alloys, polymeric materials, ceramic materials, glass, stone, marble, wood, rubber, etc.An important challenge in the conception and design of water jet cutting equipment is the removal of used abrasive material from the discharge tank during or after water jet cutting operations.The paper presents innovative solutions proposed and developed worldwide for the evacuation / extraction from the tank of water jet cutting machines of used abrasive particles and / or particles resulting from materials subjected to the cutting process.

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26

Arola, D., and M. Ramulu. "A Study of Kerf Characteristics in Abrasive Waterjet Machining of Graphite/Epoxy Composite." Journal of Engineering Materials and Technology 118, no. 2 (April 1, 1996): 256–65. http://dx.doi.org/10.1115/1.2804897.

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Kerf geometry, kerf wall features, and cutting front characteristics of an Abrasive Waterjet (AWJ) machined Graphite/Epoxy (Gr/Ep) laminate were studied. A macroscopic analyses suggests that geometrical features associated with AWJ machining of Gr/Ep laminates are influenced by three macro regions along the cutting depth. The presence of these regions, including initial damage at jet entry, smooth cutting, and rough cutting near the jet exit, depends on the operating conditions. Design of experiments and analysis of variance were used to determine the effect of cutting parameters on kerf characteristics and to develop empirical models for kerf profile and features of the three distinct macroscopic regions. Cutting front analysis revealed that the mechanisms of material removal in AWJ machining of Gr/Ep do not change over the jet penetration depth. In general, high quality uniform cuts may be obtained by minimizing initial damage at the jet entry and by extending the smooth cutting region beyond the laminate thickness through the appropriate choice of cutting parameters.

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27

Kurnenkov, Anton, Alexei Shurigin, and Vladimir Glebov. "Investigation of the process of abrasive waterjet cutting of steels based on numerical simulation." MATEC Web of Conferences 298 (2019): 00103. http://dx.doi.org/10.1051/matecconf/201929800103.

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The paper presents the results of 3D modeling the process of abrasive waterjet cutting of structural carbon and stainless steel workpiece. The Johnson-Cook model is selected as a material model. Distributions of stress fields in the cutting zone are obtained, as well as the dependences of depth of cut on jet traverse rate at jet velocities of 400 ... 700 m / s and dependences of cutting force on jet velocity at jet traverse rates of 100 ... 400 mm / min.

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28

Perzel, Vincent, Marián Flimel, Jolanta Krolczyk, Aleksandar Sedmak, Alessandro Ruggiero, Drazan Kozak, Antun Stoic, Grzegorz Krolczyk, and Sergej Hloch. "Measurement of thermal emission during cutting of materials using abrasive water jet." Thermal Science 21, no. 5 (2017): 2197–203. http://dx.doi.org/10.2298/tsci150212046p.

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This article deals with measurement of the thermal gradient on material during abrasive water jet cutting. The temperature was measured by thermocamera before the technological process started, during the abrasive water jet cutting process technology, and just after the cutting process. We performed measurements on several types of materials. We calculated the approximate amount of energy during the abrasive water jet cutting process technology that changes into thermoenergy, which is the current water pressure drained in a catcher tank.

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29

Chen, F. L., and E. Siores. "The effect of cutting jet variation on surface striation formation in abrasive water jet cutting." Journal of Materials Processing Technology 135, no. 1 (April 2003): 1–5. http://dx.doi.org/10.1016/s0924-0136(01)00579-9.

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30

Liu, Xiaohui, Songyong Liu, Lie Li, and Xinxia Cui. "Experiment on Conical Pick Cutting Rock Material Assisted with Front and Rear Water Jet." Advances in Materials Science and Engineering 2015 (2015): 1–9. http://dx.doi.org/10.1155/2015/506579.

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Conical picks are one kind of cutting tools widely used in engineering machinery. In the process of rock breaking, the conical pick bears great cutting force and wear. To solve the problem, a new method, conical pick assisted with high pressure water jet, could break rock effectively, and four different configuration modes of water jet were presented. In this paper, based on the analysis of the different water jet configuration’s advantages and disadvantages, experiments on front water jet, new typed rear water jet, and the combination of those two water jet configuration modes were conducted to study the assisting cutting performance and obtain the quantitative results.

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31

Sanchez, L. E. A., G. L. Palma, L. J. Nalon, A. E. Santos, and D. L. Modolo. "Different Methods of Cutting Fluid Application on Turning of a Difficult-to-Machine Steel." Advanced Materials Research 628 (December 2012): 476–81. http://dx.doi.org/10.4028/www.scientific.net/amr.628.476.

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Different methods of cutting fluid application are used on turning of a difficult-to-machine steel (SAE EV-8). A semi-synthetic cutting fluid was applied using a conventional method, minimum quantity of cutting fluid (MQCF), and pulverization. By the minimum quantity method was also applied a lubricant of vegetable oil (MQL). Thereafter, a cutting fluid jet under high pressure (3.0 MPa) was singly applied in the following regions: chip-tool interface; top surface of the chip; and tool-workpiece contact. Two other methods were used: an interflow between conventional application and chip-tool interface jet and, finally, three jets simultaneously applied. In order to carry out these tests, it was necessary to set up a high pressure system using a piston pump for generating a cutting fluid jet, a Venturi for fluid application (MQCF and MQL), and a nozzle for cutting fluid pulverization. The output variables analyzed included tool life, surface roughness, cutting tool temperature, cutting force, chip form, chip compression rate and machined specimen microstructure. It can be observed that the tool life increases and the cutting force decreases with the application of cutting fluid jet, mainly when it is directed to the chip-tool interface. Excluding the methods involving jet fluid, the conventional method seems to be more efficient than other methods of low pressure.

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32

Herghelegiu, Eugen, Crina Radu, Carol Schnakovszky, and Ion Cristea. "High Pressure Water Jet Cutting of the Al 6061 T651 Aluminum Alloy." Applied Mechanics and Materials 371 (August 2013): 245–49. http://dx.doi.org/10.4028/www.scientific.net/amm.371.245.

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Water jet cutting is an unconventional technology used for materials processing. It is known to be one of the most versatile and rapid cutting methods that can be applied to process a greater variety of materials such: metallic materials, non-metallic materials, stone, glass etc. By comparing with the classical technologies, the water jet cutting presents the following advantages: very low side forces during the machining; it is rapid; it is silent; no thermal distortion, high flexibility and has a good cutting accuracy and minimal burrs. In this paper the influence of the high pressures on the surface quality of the workpieces processed by water jet abrasive cutting is presented. The studied parameters were as follows: width of the processed surface at the jet inlet (Li), width of the processed surface at the jet outlet (Lo), deviation from perpendicularity (u), inclination angle (α) and roughness (Ra).

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33

Diciuc, Vlad, Mircea Lobonțiu, Gheorghe Bran, and Vasile Lazar. "The Influence of the Lubrication Method and the Cutting Regime on the Surface Roughness when Milling 7175 Aluminum Alloy." Applied Mechanics and Materials 371 (August 2013): 28–32. http://dx.doi.org/10.4028/www.scientific.net/amm.371.28.

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In the current paper, some aspects regarding the quality of the surface machined under different lubrication conditions is being assessed: cutting under a jet of cutting fluid, minimum quantity lubrication cutting, dry cutting. The objective was to assess the results obtained after MQL cutting in comparison with dry cutting and cutting under a jet of cutting fluid. The variables of the cutting regime were the feed rate and the type of milling (climb and conventional). This study has an important ecological impact over the use of cutting fluids.

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34

Nuntadusit, Chayut, Prapas Muangjunburee, Nattaphum Suwanmala, and Makatar Wae-Hayee. "Study of Heat Transfer Characteristics and Kerf Quality of Flame Jet Cutting." Advanced Materials Research 931-932 (May 2014): 392–96. http://dx.doi.org/10.4028/www.scientific.net/amr.931-932.392.

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The aim of this research is to study heat transfer rate of impinging flame jet and cutting quality of steel plate using flame jet. The cutting torch was used for heating on the impingement surface, and it was used for cutting the steel plate samples. LPG at constant flow rate of 0.14 kg/s was mixed with pure oxygen at varied flow rate corresponding to equivalence ratio, =0.78, 0.93 and 1.16. The nozzle-to-plate distance was examined at h=3, 4, 5, 6, 7 and 8 mm. Heat transfer rate on the impingement surface was measured using water cooled heat flux sensor. In order to investigate cutting quality, steel plate with 6 mm in thickness was cut by this flame jet with cutting speed at 260 mm/min. The surface roughness, slag quantity and kerf characteristics were considered for cutting quality. The results show that the flame jet for condition of =0.78 at h=4 mm gives the highest heat transfer rate. The flame jet for condition of =0.93 at h=6 mm is optimal for using cutting steel plate in this study.

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Zou, Zheng Long. "Study of Cutting Composite Materials with Low Pressure Abrasive-Water Jet." Applied Mechanics and Materials 130-134 (October 2011): 1480–83. http://dx.doi.org/10.4028/www.scientific.net/amm.130-134.1480.

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This paper using low-pressure pre-mixed abrasive water jet to cutting composite material,testing and verifying feasibility of the low pressure abrasive water jet cutting , analyzes the abrasive waterjet working parameters on cutting of influence which performance level and interaction effect.

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Yamada, Shinji, Yukio Maeda, Tatsuo Motoyoshi, Hideaki Tanaka, Kazuya Kato, and Takanori Yazawa. "Tool Wear Characteristics of Cylindrical Cutting of Nickel-Based Super Alloy." Advanced Materials Research 1136 (January 2016): 168–72. http://dx.doi.org/10.4028/www.scientific.net/amr.1136.168.

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Recently, high-combustion-efficiency jet engines have become essential in the aircraft industry. High burning temperatures are necessary to maximize the combustion efficiency of jet engines. Inconel 718, which has excellent mechanical and chemical properties, has been selected for use in many jet engine parts. However, it is difficult to cut because of its low thermal conductivity. Consequently, wet cutting is typically used to reduce the heat generated in cutting Inconel 718. In this study, we conducted experiments to examine the relationships between the cutting characteristics and tool fracture in wet cutting.

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Janković, Predrag, Miroslav Radovanović, Oana Dodun, Miloš Madić, and Dušan Petković. "Aspects of Machining Parameter Effect on Cut Quality in Abrasive Water Jet Cutting." Applied Mechanics and Materials 809-810 (November 2015): 201–6. http://dx.doi.org/10.4028/www.scientific.net/amm.809-810.201.

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Abrasive water jet machining is frequently used in industry. It is one of the most versatile processes in the world. The basic advantages of abrasive water jet machining is that no heat affected zones or mechanical stresses are left on an abrasive water jet cut surface, high flexibility and small cutting forces. Although this cutting technology includes many advantages, there are some drawbacks. For instance, abrasive water jet cutting can produce tapered edges on the kerf of workpiece being cut. This can limit the potential applications of abrasive water jet cutting, if further machining of the edges is needed to achieve the engineering tolerance required for the part. The machining parameters have a great influence on these phenomena. The aim of this paper is to investigate the cut quality of EN AW-6060 aluminium alloy sheets under abrasive water jets. The experimental results indicate that the feed rate (nozzle traverse speed) of the jet is a significant parameter on the surface morphology.

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Et al., Prabhu Swamy N. R. "Depth of Penetration and Surface Roughness Analysis of Al6061 cut by Abrasive Water Jet." Psychology and Education Journal 58, no. 1 (January 20, 2021): 5412–17. http://dx.doi.org/10.17762/pae.v58i1.2154.

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In this study, model equations to predict average surface roughness value of abrasive water jet cut aluminium 6061 alloy are developed. Model equations are developed considering water jet pressure, abrasive flow rate and traverse speed of the jet. Model equations help in knowing average surface roughness value on the cutting and deformation wear regions. 27 abrasive water jet cutting experiments are conducted on trapezoidal shaped aluminium 6061 block. Depth of penetration values are found for all experimental cutting conditions. Average surface roughness values are found by non-contact surface roughness tester. Surface roughness testing is carried out along the length of depth of penetration. Low and high average surface roughness values are noticed on the cutting and deformation wear regions respectively. Smooth surface finish and rough surface finish with striations are observed on the cutting and deformation wear regions respectively.

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Yu Xian, Zhang, Li Nan, Wang Hong, and Liu Bin Bin. "Experiment and simulation study on relationship between diameter of high-pressure water abrasive jet nozzle and cutting capacity." MATEC Web of Conferences 153 (2018): 05002. http://dx.doi.org/10.1051/matecconf/201815305002.

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High pressure water abrasive jet nozzle is key part of the particles acceleration. The diameter of nozzle has important effect for jet fluid. Through experiment and simulation explore the relationship between nozzle diameter and jet fluid cutting capacity. The result indicate: ①the cut depth and broad reduced in linearly relationship with the diameter of the jet nozzle. ②In same pressure, decrease the nozzle diameter will reduce the cutting ratio energy; ③The acceleration and attenuation of the nozzle axial flow in different diameters are basically consistent, The smaller nozzle diameter, The flow acceleration will slower, the attenuation will faster, the is velocity core segment will shorter and the cutting ability will lower;Consider from energy consumption, cutting efficiency and other factors, for common material cutting the nozzle preferred diameter is: 0.6~1.0mm, it’s unfavourable to select the 0.2mm diameter

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Krajcarz, Daniel. "Comparison Metal Water Jet Cutting with Laser and Plasma Cutting." Procedia Engineering 69 (2014): 838–43. http://dx.doi.org/10.1016/j.proeng.2014.03.061.

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Miao, Xiaojin, Zhengrong Qiang, Meiping Wu, Lei Song, and Feng Ye. "The optimal cutting times of multipass abrasive water jet cutting." International Journal of Advanced Manufacturing Technology 97, no. 5-8 (May 2, 2018): 1779–86. http://dx.doi.org/10.1007/s00170-018-2011-0.

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Barsukov, G. V., T. A. Zhuravleva, and O. G. Kozhus. "Water-Jet Cutting of Fiberglass Sheet." Russian Engineering Research 40, no. 11 (November 2020): 963–65. http://dx.doi.org/10.3103/s1068798x20110040.

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Kerst, Thomas. "Continuous-Path Controlled Water-Jet Cutting." Indian Welding Journal 25, no. 2 (April 1, 1992): 96. http://dx.doi.org/10.22486/iwj.v25i2.148337.

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Alberdi, A., A. Suárez, T. Artaza, G. A. Escobar-Palafox, and K. Ridgway. "Composite Cutting with Abrasive Water Jet." Procedia Engineering 63 (2013): 421–29. http://dx.doi.org/10.1016/j.proeng.2013.08.217.

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Bazenov, G. M., G. T. Itybaeva, A. Zh Kasenov, and A. S. Yanyushkin. "Water-Jet Cutting of Glass Sheet." Russian Engineering Research 42, no. 10 (October 2022): 1045–48. http://dx.doi.org/10.3103/s1068798x22100045.

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Jiang, Hong, Chao Kun Wei, and Ya Lin Hu. "Optimizing Parameter of Cutting Anchor-Bolt by Orthogonal Experiment." Applied Mechanics and Materials 556-562 (May 2014): 1136–38. http://dx.doi.org/10.4028/www.scientific.net/amm.556-562.1136.

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Anchor bolt is widely used in coal production, but it is uneasy to unload the anchor bolt sometime while the common cutting methods have lots of inferiors. The paper proposes the application of pre –mixed abrasive water jet abrasive water jet technology to the cutting of anchor bolt for this problem. According to the experiment of cutting anchor bolt, studying the selected parameters’ cutting impact by orthogonal experiment, the cutting parameters are optimized.

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Jiang, Hongxiang, Changlong Du, Songyong Liu, and Kuidong Gao. "Fractal Characteristic of Rock Cutting Load Time Series." Discrete Dynamics in Nature and Society 2014 (2014): 1–8. http://dx.doi.org/10.1155/2014/915136.

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A test-bed was developed to perform the rock cutting experiments under different cutting conditions. The fractal theory was adopted to investigate the fractal characteristic of cutting load time series and fragment size distribution in rock cutting. The box-counting dimension for the cutting load time series was consistent with the fractal dimension of the corresponding fragment size distribution, which indicated that there were inherent relations between the rock fragmentation and the cutting load. Furthermore, the box-counting dimension was used to describe the fractal characteristic of cutting load time series under different conditions. The results show that the rock compressive strength, cutting depth, cutting angle, and assisted water-jet types all have no significant effect on the fractal characteristic of cutting load. The box-counting dimension can be an evaluation index to assess the extent of rock crushing or cutting. Rock fracture mechanism would not be changed due to water-jet in front of or behind the cutter, but it would be changed when the water-jet was in cutter.

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Burger, Silvana, Karen Schwarzkopf, Florian Klämpfl, and Michael Schmidt. "Shedding Light on Gas-Dynamic Effects in Laser Beam Fusion Cutting: The Potential of Background-Oriented Schlieren Imaging (BOS)." Sensors 23, no. 2 (January 9, 2023): 729. http://dx.doi.org/10.3390/s23020729.

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In laser beam fusion cutting of metals, the interaction of the gas jet with the melt determines the dynamics of the melt extrusion and the quality of the resulting cutting kerf. The gas-dynamic phenomena occurring during laser beam cutting are not fully known, especially regarding temporal fluctuations in the gas jet. The observation of gas and melt dynamics is difficult because the gas flow is not directly visible in video recordings and access to the process zone for observation is limited. In this study, the problem of imaging the gas jet from the cutting nozzle is addressed in a novel way by utilizing the striation pattern formed at the cutting kerf as a background pattern for background-oriented Schlieren imaging (BOS). In this first feasibility study, jets of different gas nozzles were observed in front of a solidified cutting kerf, which served as a background pattern for imaging. The results show that imaging of the characteristic shock diamonds of cutting nozzles is possible. Furthermore, the resulting shock fronts from an interaction of the gas jet with a model of a cutting front can be observed. The possibility of high-speed BOS with the proposed method is shown, which could be suitable to extend the knowledge of gas-dynamic phenomena in laser beam fusion cutting.

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Paszczuk, Michael. "Water Jet Automation." International Journal of Emerging Technology and Advanced Engineering 11, no. 10 (October 15, 2021): 177–81. http://dx.doi.org/10.46338/ijetae1021_21.

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Water jet cutting has been an extremely helpful tool that creates flawless parts with tolerances up to 0.1 mm. During the cutting process, it is important to note that each step must be optimized to create the best finish or maintain the correct tolerance zone. These steps are composed of abrasive mass flow rate, traverse speed, and standoff distance. In order for these optimization techniques to be followed a strict set of rules must be followed to ensure consistent progression. Programs such as MATLAB can be utilized to reduce human error in the calculations. MATLAB files can then be saved to use with other materials and thickness combinations.

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Zhao, Chuang, Yugang Zhao, Dandan Zhao, Qian Liu, Jianbing Meng, Chen Cao, Zhilong Zheng, Zhihao Li, and Hanlin Yu. "Modeling and Prediction of Water-Jet-Guided Laser Cutting Depth for Inconel 718 Material Using Response Surface Methodology." Micromachines 14, no. 2 (January 17, 2023): 234. http://dx.doi.org/10.3390/mi14020234.

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In this study, the water-jet-guided laser (WJGL) method was used to cut Inconel 718 alloy with high temperature resistance. The effect of critical parameters of the water-jet-guided laser machining method on the cutting depth was studied by a Taguchi orthogonal experiment. Furthermore, the mathematical prediction model of cutting depth was established by the response surface method (RSM). The validation experiments showed that the mathematical model had a high predictive ability for cutting depth. The optimal cutting depth was obtained by model prediction, and the error was 5.5% compared with the experimental results. Compared with the traditional dry laser cutting, the water conducting laser method reduced the thermal damage and improved the cutting quality. This study provides a reference for the precision machining of Inconel 718 with a water-jet-guided laser.

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