Academic literature on the topic 'Metal straightening'

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Journal articles on the topic "Metal straightening"

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Meng, Qingdang, Gaochao Yu, Xueying Huang, Honglei Sun, and Jun Zhao. "Study on a straightening process by reciprocating bending for metal profiles." Metallurgical Research & Technology 118, no. 6 (2021): 605. http://dx.doi.org/10.1051/metal/2021081.

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The straightness is a critical quality parameter of metal profiles, and straightening is a necessary process in metal profile production. Due to the limitations of the existing straightening methods, the straightening process by reciprocating bending for metal profiles is proposed. The curvature is unified by multiple reciprocating bending, and then the straightening is completed by reverse bending. The process has the advantages of high straightening efficiency, flexibility, and wide straightening range. In order to verify the feasibility of the process, numerical simulation and physical expe
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Zhang, Yongquan, Hong Lu, Xinbao Zhang, et al. "A novel analytical model for straightening process of rectangle-section metal bars considering asymmetrical hardening features." Advances in Mechanical Engineering 10, no. 9 (2018): 168781401879915. http://dx.doi.org/10.1177/1687814018799158.

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The applied straightening moment and the springback after unloading with respect to the straightening process of rectangle-section metal bars have a direct influence on the straightening accuracy and efficiency. In this article, an asymmetrical hardening material model is first proposed to describe the stress–strain curves considering the asymmetrical features of yield stress and plastic hardening stage in tension and compression, and it is also compared with the traditional linear hardening material model. To accurately evaluate the elasto-plastic bending deformation and the springback in the
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Li, Shan, Liang Xu, and Yu Qi Wang. "The Analysis of Straightening Machine Straightening Parameter." Advanced Materials Research 630 (December 2012): 129–32. http://dx.doi.org/10.4028/www.scientific.net/amr.630.129.

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Copper is important to the national economy as a kind of raw material, the Copper metal with higher purity is got by electrolysis in generally. In order to ensure the uniform space between cathode and anode when they are in electro-groove, to attain the better quality of cathode copper and raising production efficiency, verticality of the cathode and anode must be well. So it is very necessary to straighten the Copper starting sheet to acquire the better verticality, this paper adopt the roller type straightening machine to straighten the Copper starting sheet by analysis and comparison accord
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Tamila, V. A., I. I. Vegera, V. V. Liaukovich, and A. V. Vetoshkin. "Technology and equipment of roll straightening of sheet metal." Litiyo i Metallurgiya (FOUNDRY PRODUCTION AND METALLURGY), no. 4 (January 20, 2023): 70–78. http://dx.doi.org/10.21122/1683-6065-2022-4-70-78.

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The features of the editing technology, possible defects of sheet metal and piece blanks of complex configuration are presented. The main schemes and designs of sheet‑straightening machines are considered, as well as the main directions of improvement of LSM designs and editing technologies are highlighted. The analysis of the process of roll straightening is presented taking into account the phenomena occurring in a metal undergoing alternating loading with decreasing amplitude (interaction of elastic and plastic deformation, Bauschinger effect, etc.). The parabolic dependence of the residual
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Arifin, Nurul Laili, Ikram Akrabi, Lalu Giat Juangsa Putra, Fedia Restu, Cahyo Budi Nugroho, and Nugroho Pratomo Ariyanto. "Pengujian Nilai Kekerasan Material ABS EH36 Hasil Proses Heat Straightening." Jurnal Teknologi dan Riset Terapan (JATRA) 5, no. 1 (2023): 39–44. http://dx.doi.org/10.30871/jatra.v5i1.5426.

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Heat straightening is a method of repairing material distortion caused by welding heat. Heat straightening is done by heating the material in an area that is distorted and cooled slowly in the air until the desired material dimensions tolerance appropriate are achieved. The Heat Straightening method is carried out at a range suhu 370℃-550℃ using the oxy-acetylene method for the heating process. This research is aimed to find out effect Heat Straightening proses the hardness value on ABS EH36 material. The hardness testing method used is the Hardness Vickers test with load applied 10kgf on Carb
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Mróz, Sebastian, Piotr Szota, Tomasz Garstka, Grzegorz Stradomski, Jakub Gróbarczyk, and Radosław Gryczkowski. "The Selection of Leveler Parameters Using FEM Simulation." Materials 17, no. 1 (2023): 52. http://dx.doi.org/10.3390/ma17010052.

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The aim of this research was to select parameters for the roll pre-leveler to provide sheet metal waviness reduction after unwinding from the coil. Straightening parameters were selected based on the results of numerical simulations with the use of an FEM-based computer program. The material used for research was a hot-rolled sheet metal of grade S235JR + AR with a thickness of 3 mm and width of 1500 mm after unwinding from the coil. A mathematical model was developed to determine straightening roll arrangements in the pre-leveler. It enabled roll arrangement selection and a straightening sche
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Gnatov, Andrey, and Schasyana Argun. "New Method of Car Body Panel External Straightening: Tools of Method." International Journal of Vehicular Technology 2015 (July 26, 2015): 1–7. http://dx.doi.org/10.1155/2015/192958.

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Recently repair and recovery vehicle body operations become more and more popular. A special place here is taken by equipment that provides performance of given repair operations. The most interesting things are methods for recovery of car body panels that allow the straightening without disassembling of car body panels and damaging of existing protective coating. Now, there are several technologies for repair and recovery of car body panels without their disassembly and dismantling. The most perspective is magnetic-pulse technology of external noncontact straightening. Basics of magnetic-puls
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Li, Shan, Yu Qi Wang, and Liang Xu. "The Numerical Simulation and Parameter Optimization Analysis of Straightening Machine Straightening Process Based on ANSYS/LS-DYNA." Advanced Materials Research 630 (December 2012): 133–35. http://dx.doi.org/10.4028/www.scientific.net/amr.630.133.

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Copper is important to the national economy as a kind of raw material, the Copper metal with higher purity is got by electrolysis in generally. In order to ensure the uniform space between cathode and anode when they are in electro-groove, to attain the better quality of cathode copper and raising production efficiency, verticality of the cathode and anode must be well. So it is very necessary to straighten the Copper starting sheet to acquire the better verticality, this paper adopt the roller type straightening machine to straighten the Copper starting sheet by analysis and comparison accord
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Kilz, J., S. C. Arnold, and P. Groche. "Straightening rollformed profiles by controlled partial rolling." IOP Conference Series: Materials Science and Engineering 1307, no. 1 (2024): 012052. http://dx.doi.org/10.1088/1757-899x/1307/1/012052.

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Abstract Roll forming is a sheet metal forming process in which flat sheets are incrementally formed into a desired profile geometry. The process is characterized by high material utilization and output. Along with these advantages, process-related longitudinal strains occur, causing profile defects such as bowing and twisting of the profile, which require subsequent straightening. Conventional straightening methods use overbending and twisting to eliminate existing profile defects. However, this approach is purely experience-based and iterative due to the complex interactions between the vari
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Navodariu, Nicolae, Iulian Antoniac, Robert Ciocoiu, et al. "A Study on Surface Wetting and Corrosion Behavior of Straightened Car Panels." Revista de Chimie 71, no. 4 (2020): 267–76. http://dx.doi.org/10.37358/rc.20.4.8065.

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Straightening of impact damaged car panels is a common practice when damaged area is small to medium. Common car panel straightening methods are hammering, heating and welding pins and pulling on the material using a device called a spot weld puller, so that the straightened metal sheet may have, as a consequence, its microstructure, stress and strain state altered. The aim of this research was to find how the above methods alter the corrosion behavior of the alloy used for car panel manufacture. Samples from similar damaged car panels were obtained, straightened, tested and compared to a samp
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Dissertations / Theses on the topic "Metal straightening"

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Jheng, Huei-Jhuan, and 鄭惠專. "Research and Development of the Automatic Sheet Metal Straightening Machine." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/97223913682770101054.

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碩士<br>國立雲林科技大學<br>機械工程系碩士班<br>97<br>This research introduces the concept of mechatronics into traditional sheet metal straightening machine. Using data acquisition card and Lab-VIEW software enables the user not only to adjust the straightening speed and interference between rollers, but also to detect the outcome of the straightening operation via a set of AC induction motor, stepping motor, and LVDT, respectively. In addition to speed control, the functions of monitoring the voltage, electric current, and the loading are implemented, facilitating the following computation of
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Tseng, Ching-Hung, and 曾清宏. "The FEM Study on the Tension and Force of Sheet Metal in the Straightening Process." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/86448072864367884631.

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碩士<br>雲林科技大學<br>機械工程系碩士班<br>98<br>This thesis investigates the deformation of the metal strips in the roll-straightening processes, using the explicit dynamic finite element software ANSYS/LS-DYNA. Based on a simplified elasto-plastic mechanics, twelve bench tests are designed to investigate the tension per unit width of metal strip and the total straightening force acting on the working rollers. In addition to the finite element analysis, the theoretical solutions of the tension per unit width and the straightening force have also been developed. Both the numerical and theoretical results sh
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Books on the topic "Metal straightening"

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Flame Straightening Technology for Welders. John P. Stewart, 1990.

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GET HOME from ANYWHERE: Welding, Cutting, Grinding and Straightening of Metal. Blurb, 2017.

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Parker, Philip M. The World Market for Numerically Controlled Machines for Bending, Folding, Straightening, or Flattening Metal: A 2007 Global Trade Perspective. ICON Group International, Inc., 2006.

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The World Market for Numerically Controlled Machines for Bending, Folding, Straightening, or Flattening Metal: A 2004 Global Trade Perspective. Icon Group International, Inc., 2005.

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Parker, Philip M. The World Market for Machines for Bending, Folding, Straightening, or Flattening Metal Excluding Numerically Controlled Machines: A 2007 Global Trade Perspective. ICON Group International, Inc., 2006.

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The World Market for Machines for Bending, Folding, Straightening, or Flattening Metal Excluding Numerically Controlled Machines: A 2004 Global Trade Perspective. Icon Group International, Inc., 2005.

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Book chapters on the topic "Metal straightening"

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An-chao, Ren, Ji Yu, and Zhu Min. "Analysis of the Welded 100-Meter Heavy Rails for Passenger Dedicated Lines Being Broken During the Straightening Process." In Characterization of Minerals, Metals, and Materials 2013. John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118659045.ch2.

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Fangmeier, R. "Metal Working: Straightening." In Encyclopedia of Materials: Science and Technology. Elsevier, 2001. http://dx.doi.org/10.1016/b0-08-043152-6/00963-3.

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Fangmeier, Ralf, Yousef Khalfalla, Khaled Y. Benyounis, and A. N. M. Karim. "Metal Working: Straightening." In Reference Module in Materials Science and Materials Engineering. Elsevier, 2019. http://dx.doi.org/10.1016/b978-0-12-803581-8.03370-1.

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Yoshida, F., R. Hino, and T. Okada. "STRETCH BENDING AND THE SUBSEQUENT STRAIGHTENING OF SHEET METAL LAMINATES." In Advances in Engineering Plasticity and its Applications. Elsevier, 1993. http://dx.doi.org/10.1016/b978-0-444-89991-0.50150-5.

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Campbell, J., and Murat Tiryakioğlu. "Porosity Development and Modification in Al-Si Alloys: Effect of P and Sr." In Encyclopedia of Aluminum and Its Alloys. CRC Press, 2019. http://dx.doi.org/10.1201/9781351045636-140000435.

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The benefits of Sr additions to Al–Si alloys to modify the eutectic are often impaired by the development of porosity, sometimes to the degree that benefits are negated. Experimental reports are reviewed in this paper, suggesting an explanation in terms of the oxide population in the melt. The unmodified silicon particles are nucleated by AlP, which has in turn nucleated on oxide bifilms. The oxide bifilms, which are essentially cracks, are straightened by the crystalline growth of Si particles, leading to increased crack size and consequently reduced mechanical properties. The addition of Sr
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Conference papers on the topic "Metal straightening"

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Lian, Yang, Hong Lu, Mingtian Ma, et al. "Straightening Process of Straight Metal Pipe Considering the Flattening Effect." In ASME 2019 14th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/msec2019-2828.

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Abstract Straight metal pipes are widely used in petroleum exploration and transmission equipment systems. Straightening is one of effective methods for ensuring or repairing the bending during straight metal pipe rolling, heat treatment, assembly and operational application. However, the flatten phenomenon of straight metal pipe during straightening process is unavoidable. Therefore, it is significant to study the flatten phenomenon of straight metal pipe in straightening process. Based on the theory of elastoplastic deformation, the flatten phenomenon of straight metal pipe is analyzed. Furt
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Olsen, Jo, and Thomas D. Dreeben. "Experimental and Simulated Straightening of Metal Halide Arcs Using Power Modulation." In 2009 IEEE Industry Applications Society Annual Meeting. IEEE, 2009. http://dx.doi.org/10.1109/ias.2009.5324868.

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Mwita, W. M., and E. T. Akinlabi. "Numerical Investigation on Strain Properties of Ti6Al4V Alloy Processed by Constrained Bending and Straightening Severe Plastic Deformation." In ASME 2019 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/imece2019-11163.

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Abstract This paper presents a numerical investigation on strain properties of Ti6Al4V alloy processed by constrained bending and straightening (CBS) severe plastic deformation (SPD) technique. CBS is a new SPD method that has been proposed to enhance continuous processing of metal sheets and improve magnitude and homogeneity of induced properties such as strain. The model considers a rectangular sheet of Ti6Al4V alloy processed with CBS at 2, 4 passes denoted as N2, N4 each combined with 10, 5, 3 mm feed length denoted as F10, F5, F3 respectively. ABAQUS Standard FEA Software was used to simu
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Gabor, Theodore T., Hang-Eun Joe, Semih Akin, Martin Byung-Guk Jun, Kyung-Han Kim, and Jong-Kwon Park. "Numerical Investigation of Various Coaxial Nozzle Designs for Direct Laser Deposition." In ASME 2020 15th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/msec2020-8444.

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Abstract Direct Laser Deposition (DLD) is a form of metal-based additive manufacturing. The DLD process involves ejecting powder out of a nozzle by means of an compressed gas and irradiating a laser beam to heat up the powder and the substrate. During the powder spray ejection, tight focusing of the powder stream has the potential to improve the DLD process by reducing powder wastage. Thus, nozzle design and computational fluid dynamics (CFD) analysis of the design parameters become important. This study focuses on the numerical simulation of the gas-solid flow inside a coaxial DLD nozzle and
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Ma, Ding, Jianping Xiang, Adnan Siddiqui, Sabareesh Natarajan, and Hui Meng. "Finite Element Study of Conformity of Flow Diverter With Intracranial Aneurysmal Vasculatures." In ASME 2011 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2011. http://dx.doi.org/10.1115/sbc2011-53772.

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Endovascular stents in the last decade have been extensively used in intracranial aneurysm (IA) management. Stenting procedure is normally performed with the placement of spring coils inside the aneurysm, where stent will serve as a mechanical scaffold to help anchor the packed coils. Although coiling holds relatively lower morbidity and mortality rate than traditional treatment, its applications to wide-necked IAs, IAs with large fusiform shapes, and thin-walled IAs are still problematic due to the difficulty of securing the coils in the first two scenarios and the vascular susceptibility to
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Lhachemi, Dounia, Vincent Robin, Philippe Gilles, Philippe Mourge, and Mehdi Zemmouri. "3D Simulation of a Peripheral Adapter J-Groove Attachment Weld in a Vessel Head." In ASME 2010 Pressure Vessels and Piping Division/K-PVP Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/pvp2010-25703.

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In Pressurized Water Reactors, most of components have large thicknesses and their manufacturing processes often require multipass welding. In spite of the stiffness of these components, the distortion issue may be important for operational requirements (e.g. misalignment) or controllability reasons (Non Destructive Examinations have to be feasible). These requirements may be difficult to meet by adjusting welding processes. Indeed because of the complexity of mechanisms involved during a welding operation and the high number of influencing parameters, this process is still essentially based o
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Mourgue, Philippe, Vincent Robin, Philippe Gilles, Florence Gommez, Alexandre Brosse, and Sebastien Gallee. "3D Simulation of a Peripheral Adapter J-Groove Attachment Weld in a Vessel Head." In ASME 2014 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/pvp2014-28151.

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In Pressurized Water Reactors, most of heavy components and pipes have a large thickness and their manufacturing processes often require multi-pass welding. Despite the stiffness of these components, the distortion issue may be important for operational requirements (e.g. misalignment) or controllability reasons (Non Destructive Examinations have to be achievable, therefore ovalization should be limited). These requirements may be difficult to achieve by simply adjusting welding processes. Indeed because of the complexity of mechanisms involved during a welding operation and the high number of
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