Journal articles: 'Material processing of the cutting process'

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Wang, Xue Feng, Shi Gang Wang, and Zi Jing Wu. "High Temperature Alloy of Turning Processing Characteristic and Process Analysis." Materials Science Forum 800-801 (July 2014): 71–75. http://dx.doi.org/10.4028/www.scientific.net/msf.800-801.71.

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High temperature alloy is the key hot end parts' material, which is often used in the modern aircraft, spacecraft and the rocket engines, as well as naval vessels and industry gas turbine. And it's also used in the nuclear reactor, chemical equipment, coal conversion technologies etc. as the very important high temperature structural materials. High temperature alloy of turning processing is the technical difficulties in mechanical cutting work, this paper introduces the high temperature alloy turning processing features, turning processing tool, cutting parameters, the choice of the cutting fluid and machining notice proceedings, etc.

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Xiao, Hai Bing. "Research on Laser Oxidation Melting Cutting Process of Automobile Carbon Parts." Applied Mechanics and Materials 778 (July 2015): 159–63. http://dx.doi.org/10.4028/www.scientific.net/amm.778.159.

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This paper deals with the study of automobile parts laser cutting process and high power laser oxidation melting cutting technology. Laser oxidation melting cutting and perforation technology was studied and laser cutting process was established. Take automobile part back end plate for example, back end plate and the material is carbon steel, the CAD/CAM simulation software was used, reasonable processing parameters, cutting parameters and perforation parameters were designed. The experimental results show that laser oxidation cutting is very effective method for automobile parts of carbon steel. The laser oxidation laser cutting technical problems and carbon materials processing technology were solved and improvement measures were summarized for the high laser oxidation melting cutting.

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Wu, Zhi Yuan, Kang Zhang, Xiu Jian Tang, Xin Li Tian, and S. H. Wang. "Study on the Cutting Process for Remanufacture Deposited Materials." Applied Mechanics and Materials 716-717 (December 2014): 200–203. http://dx.doi.org/10.4028/www.scientific.net/amm.716-717.200.

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. The systematic experiments for cutting remanufacture deposited materials have been finished. The results show that the deposited materials can be divided into two parts on the view of machining process:surface layer and dense layer. One of the distinctive features on surface layer is impacts to cutting tools in the process. And the process of dense layer cutting is similar with homogeneous material. On the basis of above, the paper puts forward the method which adopts different processing phases for deposited materials.

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Chen, Zhao Chi, and Liang Ju Pan. "Applications of Optical Path Length Compensation Technology for High Power CO₂ Laser Cutting Process." Advanced Materials Research 939 (May 2014): 177–85. http://dx.doi.org/10.4028/www.scientific.net/amr.939.177.

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High powerCO2(Carbon Dioxide,CO2) laser cutting process not only attention to the type of material selected, the focus position of the laser beam and spot size (beam size) also plays an important role. In this paper, metal materials cutting through the wavelength of 10.6μm,CO2 laser with the optical path length compensation techniquewith output power 4000W. We compare different focus position and spot size for processing quality to discussing the use of a constant optical path length system to maintain the stability of the cross-section of the metal material after laser cutting.Optical path length compensation is used with ABCD Law in metal (steel) laser cutting processing an indispensable technology.Finally, we verify that the cross-section of the optical path length compensation under laser cutting in different processing location, thicknessof 16 mmsteel with laser power 4000W, and cutting speed 0.9 m/minconditions observed area 3*1.5 m2workingstagefor optical path length of 7, 8.5, 10 and 11.5 m,the steel ofcross-section appearance almost identical.

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Guan, Jia Liang, Xin Qiang Ma, Cheng Guo Cao, Xiao Hui Zhang, and Lei Zhu. "Research on Chip Formation Mechanism in Mold Processing of Large Diameter Fresnel Lens." Advanced Materials Research 912-914 (April 2014): 732–35. http://dx.doi.org/10.4028/www.scientific.net/amr.912-914.732.

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This paper describes the analysis of the chip formation mechanism in mold machining process of large diameter Fresnel lens based on the ABAQUS finite element simulation software and modal test methods. Combined with the material constitutive relation and material failure criteria etc, a two-dimensional orthogonal cutting model was established and the chip derived from the simulation was compared with the chip from modal test, with a consequent verification of the feasibility of simulation chip model. The simulation contributes to an investigation into the effects of the cutting speed on chip formation process. The results show that: the material strength and plastic brittle have significant impact on chip morphology in the H62 brass mold processing, and material strength will improve with the increase of strain rate, the evolution process of the chip of material plastic reduction can be divided into: ribbon cuttings, serrated chips, cell chips.

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Bohne, Eric, Swen Grossmann, Ariane Dierke, Stefan Siewert, Niels Grabow, Klaus-Peter Schmitz, and Michael Stiehm. "Establishment of suitable parameters for laser machining based production of polymeric implants." Current Directions in Biomedical Engineering 7, no. 2 (October 1, 2021): 728–30. http://dx.doi.org/10.1515/cdbme-2021-2186.

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Abstract Laser material processing enables precise machining of a wide variety of materials. In order to prevent an excessive heat input, which leads to irreversible material damage, the process parameters have to be adapted to the processed material. To keep the heat load as low as possible, the potential of femtosecond laser technology is exploited. The processing of semi-finished products using femtosecond laser technology is highly depending on the processed material. In this regard, we established a workflow and basic parameters for the processing of polymeric material. The performed parameter study varying cutting speed, cutting gas pressure and pulse energy to optimize the manufacturing process. Scanning electron microscopy (SEM) was utilized to analyze the cutting results, such as cut edge quality or possible melted areas. The established parameter set is also suitable for processing of very filigree material structures as used in innovative medical devices. The SEM analysis of the established parameter set showed that a homogeneous, nonwavy cut edge was created along the kerf.

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Zhang, Liao Yuan, Jian Guang Wang, Yong Yang, and Chao Wang. "Research on the Counterweight in the Process of Diamond Wire Saw Cutting Polysilicon." Advanced Materials Research 418-420 (December 2011): 1048–55. http://dx.doi.org/10.4028/www.scientific.net/amr.418-420.1048.

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In the process of cutting hard and brittle materials , electroplated diamond wire saw cutting has been growing concern for its high-quality, high efficiency, environmental protection and other advantages. In this paper, the wire saw cutting trajectory equation and the mathematical model of counterweight were established and the variation law of counterweight was analyzed. In addition, the impact of counterweight on the processing efficiency, surface quality was studied on the USDW-1 type ultrasound diamond wire saw cutting machine by way of cutting polysilicon material.

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DENG, Y. Z., H. Y. ZHENG, V. M. MURUKESHAN, X. C. WANG, G. C. LIM, and B. K. A. NGOI. "IN-PROCESS MONITORING OF FEMTOSECOND LASER MATERIAL PROCESSING." International Journal of Nanoscience 04, no. 04 (August 2005): 761–66. http://dx.doi.org/10.1142/s0219581x05003632.

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Recent research and development on the femtosecond laser has shown that it is a powerful tool for high precision micromachining. However, the femtosecond laser-material interaction is fast and complex due to its ultrashort pulse duration. Consequently, it is not an easy task to optimize process parameters and to ensure high-quality fabrication. In this context, we propose an in-line monitoring technique based on plasma plume diagnostics. By analyzing the spectra of the femtosecond laser-induced plasma, which was detected and analyzed using a spectrometer, the plasma temperature of the copper sample was estimated. As drilling holes and cutting lines are two common applications in industry, the relationship between the emission light and the geometry of the fabricated structure was investigated based on the time-varying signals from the photodetector. These results will help us to understand the mechanism of femtosecond laser ablation so as to achieve high quality micromachining.

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Зубарев, Ю., Yu Zubarev, А. Приемышев, A. Priyomyshev, А. Заостровский, and A. Zaostrovskiy. "Cutting mode impact upon output process parameters at processing of polycrystalline composite materials." Science intensive technologies in mechanical engineering 2, no. 6 (June 1, 2017): 34–38. http://dx.doi.org/10.12737/article_592d15da043ce6.63942104.

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The peculiarities in polymeric composite material cutting are considered. The recommendations for use of different materials for cutters, their geometry and treatment modes are offered that allows obtaining the required quality of a product surface.

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Jia, Yun Hai. "Impact Analysis of Electrode Material on Electrical Discharge Machining Polycrystalline Diamond Processing." Applied Mechanics and Materials 441 (December 2013): 36–39. http://dx.doi.org/10.4028/www.scientific.net/amm.441.36.

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The electrode material plays a very important role in the electric discharge machining, affects the electrical discharge machining efficiency and machining surface quality. Experiment testing and materials analysis as the primary method, affect layer thickness and workpiece surface roughness value as evaluation indexes. PCD cutting tool samples were electrical discharge machined using copper electrodes and graphite electrodes respectively. After machining, the PCD cutting tool samples' surfaces were analyzed by X ray diffraction, the surfaces appearances were observed under the scanning electron microscope, and the surface roughness values were measured by roughness measuring instrument. PCD samples' surface effect layer thickness values and surface roughness values, affect layer distribution structure was statically analyzed in typical EDM process conditions with different electrode materials. Summary electrode material effect on PCD cutting tools in EDM processing. Provides an important experimental basis for designing technics of precision and highly efficient electrical discharge machining PCD cutting tools.

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Yuan, Mei Xia, Xi Bo Wang, Li Jiao, and Shao Nan Liu. "An Optimization Model on Cutting Parameters of Material Processing for High Productivity." Key Engineering Materials 723 (December 2016): 214–19. http://dx.doi.org/10.4028/www.scientific.net/kem.723.214.

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The selection of cutting parameters of material processing such as cutting speed, feed and cutting depth affects product productivity. The optimization of cutting parameters achieves the purpose of raise the productivity. Based on the research of the cutting theory, the turning constraint model and the optimization mathematical model of cutting parameters are established for highest productivity. The optimization process of the complex method is studied. The cutting parameters of the material 310s are optimized by the optimization model based on complex method. The optimized cutting time is shorter 2.06s than the one before the optimization. The production efficiency increases by 15.45%. The results show that the optimization model based on the complex method can improve the productivity of material processing.

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Gou, Jian Feng, and Yan Jiang. "The Automatic Process Design of Cutting Dosages of Mastercam." Advanced Materials Research 314-316 (August 2011): 1612–15. http://dx.doi.org/10.4028/www.scientific.net/amr.314-316.1612.

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This design is a redevelopment of Mastercam. The cutting dosages are varies with the basic conditions, which contains parts material, tool materials, machine tool rigidity coefficient and so on .The problem is that we must modify cutting dosages one after another when the basic conditions changed. In view of the above problems, we using VB software design a specialized software. We can realize the automatic generation of cutting parameter of Mastercam by debugging this specialized software and Mastercam software. This software is convenient and practical, using it, We can save the processing time and increase work efficiency.

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13

Yan, Ying, Ping Zhou, Huiping Wang, and Yu Mao. "Thermal Effect on Poly(methyl methacrylate) (PMMA) Material Removal in the Micromilling Process." Polymers 12, no. 9 (September 17, 2020): 2122. http://dx.doi.org/10.3390/polym12092122.

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Poly(methyl methacrylate) (PMMA) is of growing interest in the application of microfluidic devices and high precision optical elements due to its excellent moldability and formability. Micromilling is one of the micromachining methods which has been extensively used to manufacture polymer components. In this study, a high-speed micromilling method was used to manufacture polymer with high form accuracy and surface quality. The processing temperature effects on the surface quality were investigated in detail. The dynamic mechanical analysis (DMA) experiment was used to study the material mechanical property under different temperatures. According to the DMA results, the PMMA sample is in the glass and viscoelastic state during the milling process. The cutting chips under various processing temperatures are classified into three kinds according to their shapes: roll, sheet, and sinter. The surface roughness of samples with sheet and roll cutting chips is smaller than that of sinter cutting chips. To obtain a better machining bottom surface and edge shape, the processing temperature below 70 °C is recommended according to the results. This work is of great value for the study of polymer removal mechanism and optimization of processing parameters for the industry.

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Omelyanov, Oleg, Yurii Polievoda, and Mykhailo Zamriі. "PROSPECTS FOR THE USE OF VIBRATION DURING CUTTING MATERIAL." Vibrations in engineering and technology, no. 1(100) (March 23, 2021): 100–110. http://dx.doi.org/10.37128/2306-8744-2021-1-10.

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Vibration is considered one of the effective ways to sharpen billets from difficult materials. The rational purpose of cutting modes with such a process allows you to increase the resistance of the metal-cutting tool, contributes to the creation of conditions to ensure constant crushing of chips. When cutting materials on the lathes of a turning group with the imposition of oscillations to the cutting tool, processes occur in the cutting zone, which differ from the processes arising from sharpening without oscillations. The article discusses the possibilities of using vibration oscillations when cutting materials. Currently, new materials that have high strength characteristics, viscosity and plasticity are widely used in mechanical engineering, with an increase in the processability: cutting force increases and efficient power spent on cutting; The quality of surface roughness is worsen; the resistance of the cutting tool is reduced; The amount of heat formed in the cutting zone increases and the character of its distribution on the surfaces of the workpiece and the tool changes; the process of forming chips, its shrinkage and type; The intensity of the process of formation of outflow and its form. In this regard, the question arises about the search for rational processing methods, in particular, mechanical processing with cutting on lathes. In this scientific work, the use of low-frequency oscillations is substantiated, which is the complex vibrational effect on the cutting process with the enforcement of solid chips, removal from the top of the cutter and preventing its formation, while ensuring the presence of a given roughness of the treated surface and an increase in the cutter resistance period. Research work in this direction is relevant and requires further research.

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Wu, Li Ming, Si Cheng Chen, Yao Hua Deng, Fu Jian Li, and Bing Jing Li. "Research of Processing Deformation Compensation of Flexible Leather Material Based on Knowledge Management." Advanced Materials Research 912-914 (April 2014): 1681–84. http://dx.doi.org/10.4028/www.scientific.net/amr.912-914.1681.

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Leather is a common processing material with poor rigidity in shoe manufacturing, there is easy to generate tensile or compress deformation, so reducing the processing quality. Considering the reasons of leather processing deformation, there are flexible material variety, different material thickness and complicated processing path. The article discussing the various impact factors of leather cutting deformation, combined with the theory and method of processing decision knowledge acquisition, processing knowledge management, and closed-loop compensation control, to propose a deformation compensation method of leather cutting based on knowledge management. Thought the real-time processing path compensation control, to correcting the tool trajectory in process, improving the accuracy and reliability of leather cutting.

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Yu, Tian Biao, Xue Wei Zhang, Jia Ying Pei, and Wan Shan Wang. "Physical Simulation of Cutting Process and Optimization of Cutting Parameters." Key Engineering Materials 522 (August 2012): 210–16. http://dx.doi.org/10.4028/www.scientific.net/kem.522.210.

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Based on metal cutting theory and the key technology of finite element simulation, this paper uses finite element software Deform to establish three-dimensional finite element simulation model and simulate cutting process. This paper uses the work piece material is IN718 high temperature alloys packaged in Deform, and analyzes the processing characteristics of high temperature, choosing the right tools and cutting dosages to simulate. Through the simulation we can get scraps forming process, the surface stress, strain, temperature and cutting force distribution of the workpiece and the tool. We can also get the change rule of cutting force and cutting temperature under the different cutting parameters. The simulation results provide the theoretical basis for the optimization of cutting parameter selection in production practice.

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Liu, Hai Tao, Ya Zhou Sun, De Bin Shan, and Yan Quan Geng. "Finite Element Simulation and Experimental Research on Micro-Milling Process of Titanium Alloy." Key Engineering Materials 522 (August 2012): 245–48. http://dx.doi.org/10.4028/www.scientific.net/kem.522.245.

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There are lots of titanium alloy parts which have large-scale micro-structures in astronautic structure and medical implants, so the micro milling becomes one of the effective processing methods in getting the surface micro-structure. Because the titanium alloy has high caking property in processing, it needs a research on the cutting heat and force in order to get better machining precision and surface quality. According to the finite element theory in elastic and plasticity, the influence of cutting speed to the cutting heat and force is got by finite element simulation analysis to the titanium material TC4 in cutting process. It can get the simulation results of cutting heat and force in the micro milling processing by finite element analysis, and then compared, the basic influence which the cutting speed to the cutting heat and force is got. The correctness of the result is checked through cutting experiments.

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Zhao, Min, Xi Ying Lang, Feng Lian Qi, and Dong Liang Lei. "Dynamic Analysis of the Diamond Saw Blade Cutting Granite Based on LS-DYNA." Applied Mechanics and Materials 130-134 (October 2011): 955–58. http://dx.doi.org/10.4028/www.scientific.net/amm.130-134.955.

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The process of cutting granite material is simulated with using analysis of LS-DYNA finite element. The stress, strain and cutting force of a diamond saw blade are analyzed when cutting granite materials. Then the stress-strain distribution and cutting force curve of the diamond saw blade can be got in the process of cutting granite materials and a conclusion of the change rule of the cutting force is also obtained. When the diamond saw blade just contacts the workpiece, the cutting force rises gradually and after entering the certain cutting depth, the cutting force fluctuates in a very small range. Through the simulation, the theory of FEM model to calculate granite materials cutting force is obtained. By changing the parameters of the diamond saw blades, the influence of all parameters on cutting force of diamond saw blade is analyzed .A diamond saw blade's structure is optimized, when the parameters of saw blades is suitably selected. The processing performance of a diamond saw blade is improved further, and the result has important practical significance to process the granite material.

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Pei, Zhijian, Nanfeng Zhu, and Yu Gong. "A study on cutting temperature for wood–plastic composite." Journal of Thermoplastic Composite Materials 29, no. 12 (August 5, 2016): 1627–40. http://dx.doi.org/10.1177/0892705715570988.

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Wood–plastic composite (WPC) material has been developed rapidly and used widely to replace wood production in recent years. The cutting process of WPC material is the key to directly affect the efficiency of utilization and processing. The infrared thermal imaging system and numerical control machine tool were used in this article to analyze the cutting temperature under different cutting parameters, which was further compared with massoniana wood cutting procedure to provide theoretical basis for WPC material processing. Under certain conditions, the cutting depth was the most important factor on the cutting temperature, followed by spindle speed, while cutting width was the least affected. In the cases of similar processing parameters, although cutting temperature for massoniana wood is always higher than WPCs, the change trends of their cutting temperature are similar. Besides, shear heat moderately affected the cutting temperature during cutting.

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Li, Xun, and Jian Ting Wu. "Machinability Evaluation of Difficult-to-Cut Materials Based on Variable Processing Cost per Unit Material." Advanced Materials Research 418-420 (December 2011): 1900–1905. http://dx.doi.org/10.4028/www.scientific.net/amr.418-420.1900.

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Cutting mechanism and characteristics of difficult-to-cut materials have a great difference. Currently, systems or indicators of the machinability are so many that we do not know how to utilize them. Not only because there is no consideration the impact of cutting conditions and parameters on machinability, but they are not be accurate quantitative responses to the machinability of workpiece materials, especially to the difficult-to-cut materials. Based on in-depth analysis of cutting mechanism and objective functions of cutting parameters optimization, an innovative machinability evaluation system based on the variable processing cost per unit material is developed. And the economics of machining process are introduced to the machinability evaluation system. Several classic analysises and calculation examples of the machinability of several typical difficult-to-cut materials have been presented at the end of paper to give a clear picture from the application of the system. The result demonstrates that the machinability evaluation system based on the variable processing cost per unit material has good practicability and maneuverability.

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Peng, Hai, and Wei Bo Jiang. "The Research of the Near-Dry BTA Deep Hole Processing Technology." Key Engineering Materials 522 (August 2012): 240–44. http://dx.doi.org/10.4028/www.scientific.net/kem.522.240.

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Dry cutting technology is a new environmentally friendly green process technology. Based on the characteristics of dry cutting and deep-hole processing, a deep-hole processing solution by means of dry cutting technology is presented, that is the near-dry deep hole processing system. Combination of the characteristics of near-dry deep hole processing, we improve the design of tool structure and the selection of blade material, and find the blade material of near-dry deep hole processing by processing testing. Analyzing and testing the cutting performance and processing effect by comparing near-dry and traditional oil processing methods, we achieve a satisfactory result and confirm that the near-dry processing is a green processing technology which has a good processing effect and applying prospect.

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Wang, Zhenda, Yongzhi Pan, Yijia Zhang, Xiuhua Men, Xiuli Fu, and Shengfeng Ren. "Study on the Material Removal Mechanism of Ultrasonic Elliptical Vibration Cutting of Medical β Titanium Alloy." Micromachines 13, no. 6 (May 25, 2022): 819. http://dx.doi.org/10.3390/mi13060819.

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For new medical β titanium implants, the surface micro texture processing technology is a difficult problem. To solve this problem, a new method of ultrasonic elliptical vibration cutting (UEVC) is adopted in this paper. The mechanism of material removal in ultrasonic elliptical vibration cutting is explored for different cutting paths. By means of simulation and experimentation, the material removal mechanism of ultrasonic elliptical vibration cutting medical β titanium alloy is revealed with respect to the aspects of cutting deformation, stress distribution, force and thermal variation, and chip formation mechanism. The results show that: (1) The cutting temperature and cutting force in the UEVC process obey the law of periodic change, and the maximum point of cutting force appears ahead of the maximum point of cutting temperature. (2) The material removal process of UEVC is a “press–shear–pull” composite cutting process. The tool squeezes the material to form the chips. Under the action of high temperature, the material is removed by adiabatic shear. (3) The difference of UEVC paths will affect the removal mode of materials and form different surface morphology. (4) For different cutting paths, compressive stress is distributed at the lowest point of the machining pit, and tensile stress is distributed at the protrusion position.

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Tamarkin, M. A., Eh Eh Tishchenko, A. V. Verchenko, and V. M. Troitskii. "Formation of surface layer quality under abrasive treatment of polymer-composite materials." Advanced Engineering Research 20, no. 3 (October 5, 2020): 235–42. http://dx.doi.org/10.23947/2687-1653-2020-20-3-235-242.

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Introduction. The study results of the abrasive processing of parts made of polymer-composite materials are presented. The features of processing polymer composites and the technology of preforming through waterjet cutting are described. The stages of preparation of a part made of polymer-composite material for the “glueing” operation are investigated.Materials and Methods. Dependences for determining the surface roughness under waterjet cutting of polymercomposite material are considered. Research is carried out to achieve the required surface roughness under adhesive bonding of workpieces. The dependence is given that describes the roughness that is required for a reliable adhesive bond.Results. The theoretical and experimental studies of the waterjet cutting process are resulted. Their implementation technique, the tool and equipment used are described. The results of theoretical and experimental studies are compared. Their high convergence is established. The results of experimental studies on the preparation of parts made of polymercomposite materials for glueing are shown. The abrasive tools and processing modes are selected.Discussions and Conclusions. The process design procedure of abrasive treatment of workpieces from polymercomposite materials is proposed.

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Jia, Yun Hai. "Electrode Material Effect on Electrical Discharge Machining PcBN Cutting Tool Processing." Advanced Materials Research 399-401 (November 2011): 1667–71. http://dx.doi.org/10.4028/www.scientific.net/amr.399-401.1667.

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The electrode material is playing the very important role in the electrical discharge machining. Two kinds of electrode materials common used in EDM are compared and analyses similarities and differences in structure and physical characteristics. Combined with PcBN tool machining tests, from the electric discharge machining efficiency, electrode wear, tool surface quality, tool surface degenerating layer, machining results are in analysis and comparison, and then different electrode materials machining technics in electrical discharge machining process are summarized. Through the cutting tool electric discharge machining experiments, we can know that the graphite electrode easy to take shape, suits in the complex edge's cutting tool electric discharge machining, under the same electric discharge machining parameter condition, its processing efficiency must be higher than the copper electrode, but the electrode loses, the cutting tool surface quality and affect layer thickness are to be worse than the copper electrode.

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Yoshimaru, Masafumi, Hiroshi Koresawa, Hiroyuki Narahara, and Hiroshi Suzuki. "Processing Micro Reactor by Non-Rotational Cutting Tool with Ultrasonic Vibration." International Journal of Automation Technology 3, no. 5 (September 5, 2009): 602–9. http://dx.doi.org/10.20965/ijat.2009.p0602.

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In recent years, a micro reactor used in the chemical field is capable of compounding reagents by the fine passage that intersects with in a complicated manner. The micro reactor is requested to have a high-quality finish because it uses not only a general acryl material, but also a hard vulnerable material such as a glass with excellent corrosion resistance. Etching technology is used as a method to provide a fine groove, but it requires tremendous amounts of money. This study attempts to manufacture the micro reactor using micro cutting by a non-rotational tool to process hard vulnerable materials. Processing in the ductile mode is indispensable for processing of a hard vulnerable material such as a glass. If this is realized, a good finish can be obtained. In this report, processing using ultrasonic vibration is performed as a means to implement processing in the ductile mode. We made a comparison with a finish by end mill tool and confirmed an increase in the infeed and the effect of cutting in water on the finish. We performed experiments on cutting the micro reactor under the optimum condition and confirmed that a non-rotational tool could process a hard vulnerable material. The following is a report of this matter.

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Li, Ye, and Chun Bin Cai. "Finite Element Analysis of High Temperature Alloy Cutting Process Based on Abaqus." Key Engineering Materials 667 (October 2015): 237–43. http://dx.doi.org/10.4028/www.scientific.net/kem.667.237.

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The nickel-based superalloy GH4169 is widely used in the aerospace industry because of its excellent comprehensive mechanical properties under high temperature and corrosion condition. It is one of the most difficult-to-machine materials due to low thermal conductivity and hard particle. One method of solving the problem of maching difficult-to machine materials is using new material cutting tool. PCBN tool has excellent cutting property in maching nickel-based superalloy because of its great hardness, high wear resistance and good chemical stability. The cutting process of in-depth study of PCBN tool cutting nickel-based superalloy, shows the variation rule of cutting force and cutting temperature, can provide a theoretical basis for process specification high temperature alloy and efficient processing, has a very big practical significance. On the basis of reasonable hypothesis, this paper discusses in detail the transformation from actual turning to 2D orthogonal free cutting geometry model. Based on this,through the establishment of simulation model of PCBN turning the nickel-based superalloy GH4169, studying on the tool rake angle γo, back angle αo, cutting speedvcand feedfon cutting process of cutting force and cutting temperature effect.

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Hu, Xiao Ping, Sen Yan Chen, and Zhi Chuang Zhang. "Research on Curved Surface Forming of Nomex Honeycomb Material Based on Ultrasonic NC Cutting." Advanced Materials Research 538-541 (June 2012): 1377–81. http://dx.doi.org/10.4028/www.scientific.net/amr.538-541.1377.

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This article introduced the Nomex honeycomb composite material, analyzed the insufficient of the traditional milling process in Nomex honeycomb composite processing, and proposed using the characteristics of ultrasonic cutting combined with NC technology to process the honeycomb composites. It analyzed the forming principle of the corresponding curved surface according to the special ultrasonic cutting tool and cutting method, and established a corresponding error.

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Ivchenko, Oleksandr, Vitalii Ivanov, Justyna Trojanowska, Dmytro Zhyhylii, Olaf Ciszak, Olha Zaloha, Ivan Pavlenko, and Dmytro Hladyshev. "Method for an Effective Selection of Tools and Cutting Conditions during Precise Turning of Non-Alloy Quality Steel C45." Materials 15, no. 2 (January 10, 2022): 505. http://dx.doi.org/10.3390/ma15020505.

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The paper presents a constructing methodology for a modern approach to tools selection and solving the problem of assigning optimal cutting parameters for specific production conditions. The mathematical formulation determining the extreme values of the technological process optimality criteria is obtained. A system of technical and economic quality indicators for cutting tools is proposed. This system allows principles’ implementation of decentralization and interoperability “Industry 4.0” via finite element modeling of the cutting process based on solving the problem of orthogonal free cutting modeling. The proposed methodology further usage is possible by creating a standardized database on the parameters of the tool: the adhesive component of the friction cutting coefficient for processing of a specific pair of cutting and tool materials (or tool coating material) and the impacts of the cutting-edge radius on cutting efficiency of a particular material.

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Liu, Zhan Feng, and Rui Liang Li. "Experimental Research on Superlong Deep-Hole Drilling Processing Technology for Steel of 4145H Drill Collar." Advanced Materials Research 201-203 (February 2011): 2597–600. http://dx.doi.org/10.4028/www.scientific.net/amr.201-203.2597.

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Through the analysis for steel of 4145H drill collar, Research into the various factors of cutting, such as the cutting tool material, cutting-tool angle and cutting parameters, combined with the actual structure of the workpiece and the superlong deep-hole processing method for study. In the test, the machining process is analyzed, especially the process of boring and honing. The test result indicates that the trepanning process is stable and reliable to solve the superlong deep hole (Φ71mm×7500mm) of 4145H drill collar steel processing problems of production if the optimizing cutting method is appropriate and the cutting tools and the cutting parameters are rational.

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Zyryanov, M., V. Shvetsov, I. Milyaeva, and E. Dozhdev. "Improving logging process efficiency in the context of rational natural resource management." E3S Web of Conferences 285 (2021): 06002. http://dx.doi.org/10.1051/e3sconf/202128506002.

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Until recently, only the trunk was recognized as valuable in the forest industry, and everything else, including the crown, was considered waste that cluttered cutting areas, and a hazardous raw material in the event of possible fires. Currently, only about 700 thousand tons of wood waste is used, which is no more than 4% of the resulting amount of potential raw materials that could be used at wood processing enterprises. Analysis of formation and use of logging waste showed that today coniferous greenery has found its application as a raw material for coniferous flour production directly at the cutting area. After the needles are separated, branches that have not found further use remain in the cutting area. One of the promising areas for logging waste use after needle separation is production of wood flour, which has found its wide application in many industries.

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Mitrović, Anđelija, and Maja Radović. "ANALYSIS OF THERMAL PHENOMENA IN MILLING PROCESS." Knowledge International Journal 34, no. 3 (October 4, 2019): 621–27. http://dx.doi.org/10.35120/kij3403621m.

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Milling is one of the most conventional machining processes used in the industry. The cutting edge of the mill tooth periodically enters and exits from the contact with the workpiece, which leads to periodic heating and cooling during machining. This process is influenced by many output parameters and one of the most important parameters is the temperature because it affects the tool wear and tool life. Also, during the milling process the cross-section of the chip is variable. Cutting tools are expensive and have a duration that is measured in minutes and therefore, predicting temperature and tool wear during the machining process is of the great importance for the understanding and optimization of process parameters. To determine cutting temperature or temperature fields in end milling different methods can be used. During the last decades various experimental methods were developed for measuring cutting temperature. Measuring temperature with infrared thermal imaging camera is most suitable method concerning capturing values of temperature fields. An experimental approach to studying the cutting process is expensive and time-consuming, especially when a wide range of tool geometry, material, and machining parameters are included. Because of these difficulties, alternative approaches such as mathematical simulations have been developed. Numerical methods are most commonly used in those mathematical simulations. In the research field of cutting process, the finite element method is regarded as a very useful tool to study the cutting process of materials. The aim of this paper is the modeling and simulation of milling predictive temperature in the cutting zone by using the finite element method. The right choice of finite element software is very important in determining the scope and quality of the analysis that will be performed. In order to predict the occurrence of thermal processing milling was used software package Third Wave AdvantEdge. AdvantEdge contains a user-friendly interface and offers the possibility of creating new tool and workpiece geometries within the program and also to import complex geometries form other CAD files. 3D model of the workpiece and end mill was created in the software package SolidWorks. AdvantEdge also allows users to import complex geometries and have extensive material library and allows specifying new materials uses adaptive meshing to increase the accuracy of solution. Workpiece material AISI 4340 steel and tool material Carbide-General were selected from the library of 3D materials. For proper cutting conditions we have presented the results of simulation-based on which the influence of feed per tooth on the temperature in the cutting zone is analyzed.

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Wang, Jia Chun, Ji Min Zhang, Na Li, and Yun Peng Kou. "Effect of Potential Function on Molecular Dynamics Simulation of Copper Processing." Key Engineering Materials 407-408 (February 2009): 368–71. http://dx.doi.org/10.4028/www.scientific.net/kem.407-408.368.

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In nanometric cutting process, the actual material removal can take place at atomic level, which makes it difficult or impossible to observe the machining phenomena and measure the cutting parameters in experiments. However, it is crucial to investigate the cutting process in nanoscale. In this study, the molecular dynamics (MD) method is employed to model and simulate the process of cutting monocrystalline copper. The two-body Morse potential and the many-body EAM potential are used for the atoms interaction in the workpiece to study the effect of different potential function on the simulation results. It is found that there are no obvious differences in the chip formation between Morse and EAM potential, but the Morse potential results in higher potential energy and more chips generated in the cutting process.

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Araújo, Manuel António Ferreira, Markus Merkel, and Andreas Öchsner. "Heat Conductivity of Metallic Hollow Sphere Structures: Numerical Simulation and Experimental Validation." Defect and Diffusion Forum 336 (March 2013): 209–23. http://dx.doi.org/10.4028/www.scientific.net/ddf.336.209.

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Heat conductivity is a well-known energy transfer method and it is here applied to the study of metal foams and laser processing. Metallic hollow sphere structures (MHSS), a relatively new group of advanced composite materials, combine the advantages of cellular metals without major scattering of their material parameters. They are characterised by high geometry reproduction leading to relatively constant mechanical and physical properties.The laser processing technology provides not only a laser cutting but also a laser soldering procedure. Within this work a laser cutting process is applied to MHSS. Laser beam cutting is a highly efficient technique to cut materials, because the relatively small amount of heat affects only a small heating zone.Numerical simulation is used in order to define proper process parameters for a large variety of MHSS. The finite element method based simulation covers material parameters as well as process parameters like the cutting velocity. Heat conduction and convection are taken into account and the phase change from solid to liquid state as well. Within the simulations the concept of representative volume element (RVE) is applied. The temperature distribution is the fundamental result.

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Hao, Limin. "Discussion on Surface Quality and Precision Control of Metal Materials in Machining Process." Journal of Physics: Conference Series 2174, no. 1 (January 1, 2022): 012041. http://dx.doi.org/10.1088/1742-6596/2174/1/012041.

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Abstract Based on the analysis of the influence of the surface quality of metal materials on the use of machinery, this paper discusses the influence of raw material quality, technical level, residual stress, cold work hardening, machine tool machining error, cutting tool machining error, mechanical positioning error and mechanical adjustment error on the surface quality and machining accuracy of metal materials. By studying the measures such as strengthening the quality control of raw materials, reasonably selecting processing technology, controlling the processing process, reducing the original error and making error compensation, the aim is to optimize the machining environment and improve the processing quality of finished products.

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Pakpahan, Eka K. A., Sonna Kristina, Ari Setiawan, and Evelin Merlians. "Job shop scheduling considering material handling process." MATEC Web of Conferences 204 (2018): 07008. http://dx.doi.org/10.1051/matecconf/201820407008.

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This paper discussed job shop scheduling considering material handling process. This process is a very important aspect on a flexible manufacturing system, where raw material or semi-finished goods are delivered from one processing point unto another by utilizing automated material handling equipment, functioned as shared resources. The starting time of each process is affected by the ability of the material handling equipment to conduct timely delivery from one point to another, therefore considering this process unto scheduling is important to enable planner to get precise estimation of the process makespan. We take the case where the flexible manufacturing system is consisted of four identical machines; each has the capability of processing various jobs due to the various cutting tools installed on their tools magazine. Jobs are dispatched based on longest processing time rule and then allocated to machine which has minimum load. Being a shared resource, material handling equipment has pick-up and delivery priority rule when handling multiple requests. The two most common rules are longest waiting and closest entity. This paper will analyzed the impact of each rule to the process makespan and material handling equipment utilization. Simulation model were built using Promodel to give decision maker better visualization of the system under consideration.

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Zajac, Jozef, Jan Duplak, Darina Duplakova, Peter Cizmar, Igor Olexa, and Anton Bittner. "Prediction of Cutting Material Durability by T = f(vc) Dependence for Turning Processes." Processes 8, no. 7 (July 6, 2020): 789. http://dx.doi.org/10.3390/pr8070789.

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This article is focused on the prediction of cutting material durability by Taylor’s model. To create predictive models of the durability of cutting materials in the turning process, tools made of high-speed steel, sintered carbide without coating and with Titanium nitride (TiN) coating, cutting ceramics without coating and with TiN coating were applied. The experimental part was performed on reference material C45 using conventional lathe—type of machine SU50A and computer numerical control machine—CNC lathe Leadwell T-5 in accordance with International Organization for Standardization—ISO 3685. Implementation of the least-squares method and processing of regression analysis made predictions of cutting tool behaviour in the turning process. Using the method of regression analysis, a correlation index of 93.5% was obtained, indicating the functional dependence of the predicted relationship.

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Zhang, Cheng Long, Ping Fa Feng, Jian Fu Zhang, Zhi Jun Wu, and Ding Wen Yu. "Theoretical and Experimental Research on the Features of Cutting Force in Rotary Ultrasonic Face Milling of K9 Glass." Applied Mechanics and Materials 157-158 (February 2012): 1674–79. http://dx.doi.org/10.4028/www.scientific.net/amm.157-158.1674.

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This study introduces rotary ultrasonic face milling (RUFM) process into flat surface machining of K9 glass. The effective cutting velocity, and cutting length of single diamond particle were presented in RUFM. The model of material removal for RUFM was developed through examining indentation fracture mechanics theory and material removal characteristics of brittle materials, and analyzing kinematics properties of diamond grits in RUFM. With a view of comparative researches, the cutting force of RUFM and diamond milling of K9 glass are compared. The experimental results tell that the relationship between the cutting depth (dc) and the ultrasonic amplitude (A) of the cutter has remarkable effects on cutting force, which was also discussed in the kinematic characteristics analysis section. The results also show that RUFM process can significantly reduce cutting force and the effects of process variable changes on cutting force in RUFM are weaker as dc is smaller than A. However, the reduction trends of the cutting forces in RUFM are very small and even increased in some process conditions, as dc is larger than A. It suggests that the cutting depth should be smaller than the ultrasonic amplitude of the cutter with RUFM process to obtain better processing performance.

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Mazurchevici, Simona-Nicoleta, Ramona Iuliana Popa, and Daniel Mărguță. "INFLUENCE OF TECHNOLOGICAL PARAMETERS ON THE AWJ PROCESS PERFORMANCE." International Journal of Manufacturing Economics and Management 1, no. 2 (December 20, 2021): 25–32. http://dx.doi.org/10.54684/ijmem.2021.1.2.25.

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The present study aims to perform a comparative analysis of the technological parameters influence on the output parameters for two biodegradable polymeric materials, Arbofill Fichte and Arboblend V2 Nature. The varied input parameters during abrasive water jet cuuting (AWJ) were water jet pressure, traverse speed and abrasive material flow. The quantitative and qualitative output parameters proposed are the amount of material removed (MR) and the inclination angle - α° of the resulted surfaces. The measured MR and α° values highlighted the fact that they fall within the admissible parameters, so that the obtained parts by cutting the Arbofill Fichte and Arboblend V2 Nature samples can be used in industrial applications that require this type of processing and more. Was also achieved the optimization of the technological parameters used for processing according to the next criteria: minimum inclination angle and minimum amount of material removed.

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Bi, Y. B., Hui Yue Dong, Qun Lin Cheng, and Ying Lin Ke. "Distortion Prediction of Aerospace Monolithic Components due to Milling Process." Key Engineering Materials 392-394 (October 2008): 841–47. http://dx.doi.org/10.4028/www.scientific.net/kem.392-394.841.

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A physics-based material processing simulation is approached to reveal the distortion law of aerospace monolithic components due to milling. To improve the efficiency of numerical calculation, a simplified cutting layer model is presented. The cutting force and temperature model are established to gain cutting loads. The cutting loads are applied to the mesh model of the part. The milling process of spar is simulated. Key factors influencing distortion such as initial residual stress, cutting loads, cutting sequence and tool path are considered. The total distortions of the spar are estimated. Machining experiment is carried out, and the distortion tendency of the machined part agrees well with the simulation. The results show the validity of the presented approach.

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Li, Yuqing, Shuncai Li, and Qiu Yu. "Research review on cutting temperature and cutting vibration of titanium alloy." MATEC Web of Conferences 353 (2021): 01017. http://dx.doi.org/10.1051/matecconf/202135301017.

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The text should be set to 1 line spacing. The abstract should be centred across the page, indented 17 mm from the left and right page margins and justified. It should not normally exceed 200 words The titanium alloy called “strategic metal” is a typical refractory material that causes high temperature and vibration during cutting due to its high strength, low thermal conductivity and low elastic modulus. In the processing process, the tool wear is serious, and the accompanying cutting heat and cutting vibration are coupled to each other and change with time. Studying the temperature and vibration characteristics in the processing process is conducive to further understanding of cutting mechanism, better controlling temperature and vibration, improving cutting processing quality and reducing production cost. This paper reviews the current situation of cutting temperature and cutting vibration at home and abroad. Scholars focus on the influence of cutting factors on temperature and vibration, based on finite element simulation and mathematical modeling, and the research on temperature and vibration coupling of titanium alloy cutting should be further strengthened.

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Zha, Jun, Zelong Yuan, Hangcheng Zhang, Yipeng Li, and Yaolong Chen. "Nickel-Based Alloy Dry Milling Process Induced Material Softening Effect." Materials 13, no. 17 (August 25, 2020): 3758. http://dx.doi.org/10.3390/ma13173758.

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Improving the cutting efficiency is the major factor for improving the processing of nickel-based alloys. The novelty of this research is the calibrated SiAlON ceramic tool dry milling nickel-based alloy process. Firstly, the nickel-based alloy dry milling process was analyzed through the finite element method, and the required milling force and temperature were deduced. Then, several dry milling experiments were conducted with the milling temperature, and the milling force was monitored. The change in cutting speeds was from 400 m/min to 700 m/min. Experimental results verified the reduction of the dry milling force hypothesized by the simulation. The experiment also indicated that with a cut depth of 0.3 mm, cut width of 6 mm, and feed per tooth of 0.03 mm/z, when milling speed exceeded 527.52 m/min, the milling force began to decrease, and the milling temperature exceeded the nickel-based alloy softening temperature. This indicated that easy cutting could be realized under high-speed dry milling conditions. The interpolation curve about average temperature and average milling forces showed similarity to the tensile strength reduction with the rise of temperature.

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Li, Xiao Jing, Yan Hui Hu, Di Wang, and Dong Man Yu. "Study on Technology Parameters for Coated Carbide Cutting Tools." Applied Mechanics and Materials 556-562 (May 2014): 498–501. http://dx.doi.org/10.4028/www.scientific.net/amm.556-562.498.

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Metal cutting processing is the most fundamental, most widely and the most important processing in industrial production. Because the development of mechanical manufacturing level plays a very important role in the coating technology material machining process. A coated carbide cutting tool with its high hardness and high wear resistance, good chemical stability and extensive compatibility characteristics, is widely applied in the metal cutting processing field. The author mainly studies the cutting force contrast between coated carbide cutting tools and not coated ones. Cutting tests have testified that if PVD technology applied on cutting, the cutting force of hard alloy cutter will alter with the change of feeds (f), depth of cutting (ap) and cutting velocity (v). The experiment suggests that the size of three-way cutting force of either the brand ZP25 hard alloy cutter or the carbide cutter by employing matrix ZP25 hard alloy cutter to respectively using PVD technology coat TiN or TiCN coating is successively FZP25>FTiCN>FTiN. The main reason for this is that the difference of frictional factor of the three kinds of cutter material and the workpiece material.

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Jaśkiewicz, Robert. "Comparison of Composite Laminates Machining Methods and its Influence on Process Temperature and Edge Quality." Transactions on Aerospace Research 2019, no. 4 (December 1, 2019): 46–54. http://dx.doi.org/10.2478/tar-2019-0022.

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Abstract The article presents the description of technological trials and the results of three methods of machining carbon fiber reinforced composites panels. It also reviews the literature concerned heat affected zone in composites and its influence on material properties. As a part of the research, the cutting method using diamond coated saw was tested, as well as the milling method with two different types of carbide milling cutters. The processing of the panels was done using 4-axis CNC machine with special adapter for cutting discs in Composite Testing Laboratory (Center for Composite Technologies, Warsaw Institute of Aviation). The methods were compared in terms of machined edge quality and panel temperature during the processes. For this purpose, thermocouples were mounted into panels. Records from thermocouples were included. Edge quality and surface roughness have been checked by microscopic observation. Additionally, samples machined by each evaluated processing method were tested using differential scanning calorimetry (DSC). The method was used to determine the glass transition temperature of the tested material. The article conclusions contain a comparison of three processing methods in terms of cutting quality, process temperature, processing method productivity as well as DSC tests results.

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Guan, Jia Liang, Xin Qiang Ma, Cheng Guo Cao, Xiao Hui Zhang, and Lei Zhu. "Machining Mechanism of Fresnel Lens Mold." Advanced Materials Research 1027 (October 2014): 72–75. http://dx.doi.org/10.4028/www.scientific.net/amr.1027.72.

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This paper analyzed the large diameter Fresnel lens mold machining mechanism based on modal test methods .The design and mold machining principle of Fresnel lens were introduced . Explored the cutting speed and feed on chip formation process. The results show that: the material strength and plastic brittle have significant impact on chip morphology in the H62 brass mold processing, an improvement of material strength with the increase of strain rate and the evolution process of the chip can be divided into: ribbon cuttings, serrated chips, cell chips.

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Ahmed, N., A. V. Mitrofanov, Vladimir I. Babitsky, and Vadim V. Silberschmidt. "Stresses in Ultrasonically Assisted Turning." Applied Mechanics and Materials 5-6 (October 2006): 351–58. http://dx.doi.org/10.4028/www.scientific.net/amm.5-6.351.

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Ultrasonically assisted turning (UAT) is a novel material-processing technology, where high frequency vibration (frequency f ≈ 20kHz, amplitude a ≈15μm) is superimposed on the movement of the cutting tool. Advantages of UAT have been demonstrated for a broad spectrum of applications. Compared to conventional turning (CT), this technique allows significant improvements in processing intractable materials, such as high-strength aerospace alloys, composites and ceramics. Superimposed ultrasonic vibration yields a noticeable decrease in cutting forces, as well as a superior surface finish. A vibro-impact interaction between the tool and workpiece in UAT in the process of continuous chip formation leads to a dynamically changing stress distribution in the process zone as compared to the quasistatic one in CT. The paper presents a three-dimensional, fully thermomechanically coupled computational model of UAT incorporating a non-linear elasto-plastic material model with strain-rate sensitivity and contact interaction with friction at the chip–tool interface. 3D stress distributions in the cutting region are analysed for a representative cycle of ultrasonic vibration. The dependence of various process parameters, such as shear stresses and cutting forces on vibration frequency and amplitude is also studied.

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Grigoriev, Sergey, Mars Migranov, and Abdumalik Seitkulov. "Modeling of Non-Stationary Processes When Cutting Hard-to-Process Materials." EPJ Web of Conferences 248 (2021): 04018. http://dx.doi.org/10.1051/epjconf/202124804018.

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In the conditions of high-speed processing of parts of complex configuration, with a large end and longitudinal length, from hard-to-work steels and alloys, it is difficult to ensure the wear resistance of the cutting tool in the aisles of one technological passage. To ensure the appropriate quality indicators of the surface layer, it is impossible to replace a worn-out cutting tool. In connection with the above, the problem of ensuring the operability (wear resistance) of the cutting tool is acute. The results of theoretical and experimental studies of contact phenomena in blade cutting based on the thermodynamics of non – equilibrium processes and from the standpoint of self-organization of the tribosystem are presented. the developed thermodynamic model of blade processing with variable cutting modes (non-stationary) allows to minimize the wear of the cutting tool and generally increase production efficiency by accelerating the drive of the main movement of the metal-cutting machine.

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Liu, Zhan Feng, and Meng Xu. "Research on Technology Test of 304 Stainless Steel Super Long Deep-Hole Drilling." Advanced Materials Research 774-776 (September 2013): 1137–40. http://dx.doi.org/10.4028/www.scientific.net/amr.774-776.1137.

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In this paper, through the analysis of 304 stainless steel to elaborate the influence of various factors in the process of drilling from the blade material,tool geometry parameters,cutting parameters and drilling methods.It is proved by selecting reasonable processing, cutting tools and cutting parameters (Φ50mm × 4700mm) 304 stainless steel parts of the drilling process issues can be resolved.

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Shao, Hui, Qimeng Liu, and Zhiwei Gao. "Material Removal Optimization Strategy of 3D Block Cutting Based on Geometric Computation Method." Processes 10, no. 4 (April 2, 2022): 695. http://dx.doi.org/10.3390/pr10040695.

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During the material removal stage in stone rough processing, milling type has been widely explored, which, however, may cause time and material consumption, as well as substantial stress for the environment. To improve the material removal rate and waste reuse rate in the rough processing stage for three-dimensional stone products with a special shape, in this paper, circular saw disc cutting is explored to cut a convex polyhedron out of a blank box, which approaches a target product. Unlike milling optimization, this problem cannot be well solved by mathematical methods, which have to be solved by geometrical methods instead. An automatic block cutting strategy is proposed intuitively by considering a series of geometrical optimization approaches for the first time. To obtain a big removal block, constructing cutting planes based on convex vertices is uniquely proposed. Specifically, the removal vertices (the maximum thickness of material removal) are searched based on the octree algorithm, and the cutting plane is constructed based on this thickness to guarantee a relatively big removal block. Moreover, to minimize the cutting time, the geometrical characteristics of the intersecting convex polygon of the cutting plane with the convex polyhedron are analyzed, accompanied by the constraints of the guillotine cutting mode. The optimization algorithm determining the cutting path is presented with a feed direction accompanied by the shortest cutting stroke, which confirms the shortest cutting time. From the big removal block and shortest cutting time, the suboptimal solution of the average material removal rate (the ratio of material removal volume to cutting time) is generated. Finally, the simulation is carried out on a blank box to approach a bounding sphere both on MATLAB and the Vericut platform. In this case study, for the removal of 85% of material with 19 cuts, the proposed cutting strategy achieves five times higher the average material removal rate than that of one higher milling capacity case.

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Oh, Il Yeong, Sang Wook Han, Young Yun Woo, Jae Hyeon Ra, and Young Hoon Moon. "Process Analysis of Fabricating Elbow Tubes by Mandrel Bending Process." Materials Science Forum 920 (April 2018): 40–45. http://dx.doi.org/10.4028/www.scientific.net/msf.920.40.

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The process of tube bending involves using mechanical force to push stock material pipe or tubing against a die, forcing the pipe or tube to conform to the shape of the die. For some tube bending processing, a mandrel is placed inside the tube to prevent collapsing. In this study, the elbow bending process using mandrel has been investigated to fabricate precise elbow-shaped tubes. To fabricate tube having target shape within the dimensional tolerance, the process analysis has been performed at various processing parameters such as tube dimensions, tilting angles, curved cutting surface and the radius of curvature. To estimate the dimensional accuracies of formed tubes, the standard deviations of dimensional errors between target and formed tubes have been used as a quantitative index. Results show that the elbow tube having larger radius of curvature shows higher dimensional accuracy due to the relatively uniform strain distribution. And the convex cutting surface is desirable to increase contacts between the punch and the tube ends during the bending process.

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More, Pramod S., and Dr Y. U. Sathe. "Optimization of CO2 Laser Cutting Process Parameter for AL7075-T6 Sheet Using Response Surface Methodology." International Journal for Research in Applied Science and Engineering Technology 10, no. 4 (April 30, 2022): 239–44. http://dx.doi.org/10.22214/ijraset.2022.41176.

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Abstract: Aluminium alloys are used in the aerospace and automotive industries because of their light weight and excellent corrosion resistance. Since aluminium material has highly reflective and thermally conductive in nature, it is difficult to apply laser cut on it. The cut quality is mainly determined by the combination of the laser processing parameters. Surface roughness, cutting width and cutting cone were the most important quality indices for evaluating CO2 laser cutting, and the processing parameters considered were laser power, speed and gas pressure. For analysing the laser cutting variables and to determine the optimal value for the surface roughness mainly three approaches are used - Design of Experiments (DOE), Analysis of Variance (ANOVA), and Response Surface Methodology (RSM). The analysis in proposed work shows that the pressure has a greater influence on the response behaviour than the cutting speed and the laser power. In proposed work, the optimized values for above mentioned parameters are calculated for laser cutting process.

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Journal articles on the topic 'Material processing of the cutting process'

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