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Journal articles on the topic 'V-BENDING'

Author: Grafiati

Published: 16 January 2024

Last updated: 25 July 2025

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1

Doungmarda, Kongkiet, and Sutasn Thipprakmas. "A New Bending Force Formula for the V-Die Bending Process." Metals 13, no. 3 (2023): 587. http://dx.doi.org/10.3390/met13030587.

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The V-die bending force is an important parameter in respect of press machine capacity selection, but it has not been the focus of previous research. Furthermore, while the various modified formulas proposed in previous research were calculated using V-die bending theory, they are insufficient for predicting the actual V-die bending force. Based on the actual V-die bending mechanism, a new V-die bending force formula is proposed in this study, in which bending is generated not only in the bending allowance zone but also on the legs next to the bending allowance zone. Therefore, the bending for

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2

Rian Kurniadi, Muhammad, Jatira Jatira, Khoirudin, et al. "Preliminary Study of the Spring-back/Spring-go Phenomenon in the V-Bending Process Using SGCC Steel Thin Material." Jurnal Teknik Mesin Mechanical Xplore 3, no. 2 (2022): 78–86. http://dx.doi.org/10.36805/jtmmx.v3i2.3370.

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This research analyses v-bending results using galvanized SGCC (JIS G 3302) sheet steel. The accuracy of the angle and dimensions of the bending results are the significant elements of the bending process that must be achieved. The bending spring-back/spring-go phenomenon has an impact on bending angle accuracy. If proper parameters are chosen, the spring-tub/spring-go angle should be minimized. This study aimed to see how the proposed v-bending process affected the spring-tub/spring-go angle value. An experimental approach was selected in this study. V-die bending opening, V-die punch angle,

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3

OGAWA, Hideo, Kento SHIGEISHI, and Junichi KOYAMA. "Sheet Metal V-bending Without Springback." Journal of the Japan Society for Technology of Plasticity 47, no. 541 (2006): 144–48. http://dx.doi.org/10.9773/sosei.47.144.

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4

Kiswanto, Gandjar, Aida Mahmudah, and Dedi Priadi. "Preliminary Investigation of Micro-V-Bending." MATEC Web of Conferences 108 (2017): 06001. http://dx.doi.org/10.1051/matecconf/201710806001.

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5

Zhao, Jun, Chun Jian Su, and Ying Ping Guan. "Intelligent Control Experiment Study for V-Shape Free Bending of Wide Sheet Metal." Materials Science Forum 575-578 (April 2008): 186–91. http://dx.doi.org/10.4028/www.scientific.net/msf.575-578.186.

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The main problem in bending process of sheet metal is that it is difficult to control bending springback accurately. Springback produced from the unloading of bending makes the shape and size incongruent between bending workpiece and working portion of die. Because the final shape of bending workpiece is related with the whole deformation process, the geometric parameter of die, material performance parameter will have great effect on springback. Therefore, the springback problem is very complicated and the prediction and control of springback is the key to improve the accuracy of bending work

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6

Sun, Zhen Zhong, Wei Feng He, Hai Bin Chen, Sheng Gui Chen, and Rong Yong Li. "Study on V-Bending of Aluminium Foam Sandwich Panels." Advanced Materials Research 181-182 (January 2011): 281–86. http://dx.doi.org/10.4028/www.scientific.net/amr.181-182.281.

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The forming of the completed aluminium foam sandwich (AFS) panels would determine an improvement in the manufacturing of parts and panels. In this paper the authors have investigated the formability of AFS through experiments. the load versus punch stroke curve and deformation procedures of Aluminium foam sandwiche panels was investigated by performing V-bending experiments. A serious problem encountered in the V-bending was bending-induced large transverse shear deformation of the skin-core layer. It causes the delamination of the AFS. It was found from experimental observations that the larg

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7

Saito, Naoko, Mitsugi Fukahori, Daisuke Hisano, Yuya Ichikawa, Hiroshi Hamasaki, and Fusahito Yoshida. "Elasto-Plastic Property of High Strength Steel at Warm Temperature and its Springback." Key Engineering Materials 535-536 (January 2013): 385–88. http://dx.doi.org/10.4028/www.scientific.net/kem.535-536.385.

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Stress-strain responses of a high strength steel sheet of 980MPa grade under uniaxial tension and its springback in V- and U-bending were investigated at elevated temperatures ranging from 573-973K. The flow stress decreased drastically with the increase of temperature, from which it was expected that springback is reduced by warm forming. In V-bending test, however, the temperature effect on springback was not so clear, while in U-bending springback decreased with temperature rise. It was found that such difference in temperature dependent springback behavior between V- and U-bending was caus

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8

SUYUTI, MUHAMMAD ARSYAD. "RANCANG BANGUN PRESS TOOL UNTUK ALAT BENDING PELAT TIPE DIE-V AIR BENDING." Machine : Jurnal Teknik Mesin 6, no. 1 (2020): 39–44. http://dx.doi.org/10.33019/jm.v6i1.1396.

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Pekerjaan pembentukan logam (metal forming) pada industri permesinan maupun pabrikasi las saat ini sangat banyak permintaan khususnya pada pekerjaan yang memerlukan proses bending. Proses bending merupakan pembentukan logam yang umumnya menggunakan lembaran pelat atau batang, baik dari bahan logam ferro maupun logam non ferro dengan cara ditekuk, yang mana dalam proses pembengkokan akan menyebabkan terjadinya pemuluran atau peregangan pada sumbu bidang netral sepanjang daerah bendingan dan menghasilkan garis bending yang lurus. Penggunaan teknologi tepat guna telah banyak digunakan untuk menin

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9

Dullah, Muhammad Jufri, Muhammad Arsyad Suyuti, Sudarman Sudarman, Mariam Mariam, and Muh Azwar Arham. "Desain dan Analisis Alat Bending V Sistem Hidro Pneumatik." Jurnal Teknik Mesin Sinergi 17, no. 2 (2020): 168. http://dx.doi.org/10.31963/sinergi.v17i2.2079.

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The design of the pneumatic hydro system V bending tool serves as an alternative tool for bending plates replacing the manual bending method which is widely used in the industrial community, especially machining workshop workshops today. In this design the hydraulic jack bender is driven by a pneumatic cylinder so that the workload of the operator is lighter. As for the results of this design and analysis, a V bending tool with 750 mm frame height, 650 mm frame width, 150 mm hydraulic stroke length, and 5 mm diameter spring pull wire are obtained. In addition, the punch angle is 85o and the pu

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10

Martynov, V. K. "Bending torsion in the V-belt drives." Izvestiya MGTU MAMI 9, no. 1-1 (2015): 65–71. http://dx.doi.org/10.17816/2074-0530-67226.

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The paper deals with the possible appearance of bending torsion of belt in of belt transmissions, especially for wide variable with corrugations. For similar V-belts loading in transmission - as flexible rods of open profile - imposes its own specificity in considering of new torque to the defined in the existing theory based on the hypothesis of plane sections. Results increase opportunities for description of the processes in transmission, giving them proper assessment.

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11

Sergejus, Borodinas, Piotr Vasiljev, and Jonas Stankevichius. "V-mode Piezomotor Using Flexural Bending Mode." Journal of the Korean Physical Society 57, no. 4(1) (2010): 955–58. http://dx.doi.org/10.3938/jkps.57.955.

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12

Koumura, Yuki, and Zhigang Wang. "Formulation of Forming Load in V-Bending." MATEC Web of Conferences 45 (2016): 01004. http://dx.doi.org/10.1051/matecconf/20164501004.

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13

Weiss, Matthias, Jascha Marnette, Preston Wolfram, Jon Larrañaga, and Peter D. Hodgson. "Comparison of Bending of Automotive Steels in Roll Forming and in a V-Die." Key Engineering Materials 504-506 (February 2012): 797–802. http://dx.doi.org/10.4028/www.scientific.net/kem.504-506.797.

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Bending in a V-die has been used to indicate the outcome of bending in cold roll forming, although little direct correlation has been performed. In this work direct comparison of the springback in both processes was performed using six samples of automotive steels in a conventional roll forming line where the transverse springback is measured. A bend of similar radius was formed in a V-die and the springback determined. In general, the springback in V-die forming was greater than in roll forming, in some cases by a factor of 2. The theoretical springback angle was determined for all steels usi

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14

Thipprakmas, Sutasn, and Arkarapon Sontamino. "Spring-Back Characteristics on Bent Holed Parts in V-Die Bending Process." Advances in Materials Science and Engineering 2022 (June 2, 2022): 1–11. http://dx.doi.org/10.1155/2022/6488261.

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In recent years, the bending of holed blank to fabricate the bent holed parts has been increasingly applied in almost all industrial fields and they also need much more complexity in shaped part and precision in dimensions. However, most of past research studies were carried out on bent nonholed parts. This causes an insufficient database and information for die design to fabricate bent holed parts. In the present research, to achieve a good design of V-bending die for fabrication of these bent holed parts, the bending mechanism and spring-back characteristic were clearly clarified based on ex

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15

Bessa Pacheco, J., and Abel D. Santos. "A Study on the Nose Radius Influence in Press Brake Bending Operations by Finite Element Analysis." Key Engineering Materials 554-557 (June 2013): 1432–42. http://dx.doi.org/10.4028/www.scientific.net/kem.554-557.1432.

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The sheet metal bending is one of the metal forming processes with the simplest geometric interpretation and usually a 2D analysis is considered. The bend over a sheet metal blank consists of a V shape forming by using a punch, with a certain nose radius, forcing the plate against an open die, with a V section. The forming result is a part with an angle obtained between the V legs, flanges, which is known as bending angle. The operation to get the required V angle is called air bending, or free bending. The most common used machines for this forming process are press brakes, special long press

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16

Tokuda, Taro, Takeshi Uemori, Tetsuya Yoshida, Michihiro Takiguchi, and Fusahito Yoshida. "Asymmetric-Shaped Bending of Adhesively Bonded Sheet Metals." Key Engineering Materials 725 (December 2016): 630–35. http://dx.doi.org/10.4028/www.scientific.net/kem.725.630.

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In sheet metal industries, press-formed sheet elements are usually adhesively bonded together at the final stage of assembly. Instead of such a conventional process, the present authors proposed a new technique that first flat sheets are adhesively bonded together and then press-formed into the final products. In previous study, the problem of the die-bending (V-bending and hat-shaped bending) with symmetrical shape has studied. In this study, asymmetric-shaped bending of adhesively bonded sheet metals was investigated by experiments and FEM analysis method. In the case of asymmetric-shaped be

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17

Suyuti, Muhammad Arsyad, Muhammad Iswar, Rusdi Nur, and Erniyanti Erniyanti. "Desain Konstruksi Press Tool Sebagai Alat Bending Bentuk V Dengan Garis Bending Max. 300mm." Jurnal Sinergi Jurusan Teknik Mesin 17, no. 1 (2019): 48. http://dx.doi.org/10.31963/sinergi.v17i1.1592.

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Nowadays, the process of metal forming in the machining industry and welding workshop is developing very rapidly especially in the plate bending process. The bending process is the formation of metals which generally use plates or rods of both ferrous and non-ferrous metal materials by bending, which in the bending process will cause stretching or stretching on the neutral plane axis along the bending area and produce a straight bend line. The use of appropriate technology machines has been widely used to increase productivity, efficiency, and effectiveness in the production process for commun

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18

Suyuti, Muhammad Arsyad. "Rancang Bangun Simpel Press Tool untuk Bending V Bottoming." Jurnal Teknik Mesin Sinergi 13, no. 2 (2019): 160–73. http://dx.doi.org/10.31963/sinergi.v13i2.1150.

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Perkembangan industri manufaktur sekarang ini sangat pesat sehingga berdampak pada semakin besarnya tuntutan terciptanya berbagai alat dan perkakas bantu produksi yang mempunyai kemampuan untuk menghasilkan produk secara massal. Press tool (punch dan dies) merupakan salah satu teknologi permesinan yang mampu memproduksi produk secara massal. Penggunaan press tool sangat efektif dan efisien untuk memproduksi produk secara massal dengan bentuk, ukuran dan kualitas yang seragam serta waktu produksi yang cepat tanpa mengurangi kualitas produk yang dihasilkan. Dalam aplikasinya press tool dapat men

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19

Phanitwong, Wiriyakorn, and Sutasn Thipprakmas. "Comparison of Bending Mechanism and Spring-Back Feature Between 90-Degree L-Bending and 90-Degree V-Bending." Advanced Science Letters 14, no. 1 (2012): 95–100. http://dx.doi.org/10.1166/asl.2012.4070.

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20

Maulana Aziz Hidayanto, Catur Pramono, Sri Hastuti, et al. "PENGARUH VOLTAGE PADA PROSES THERMAL SPRAY ALUMINIUM TERHADAP KEKUATAN IKATAN LAPISAN COATING PADA BAJA ST60." JURNAL FOUNDRY 6, no. 2 (2023): 27–35. http://dx.doi.org/10.62944/jf.v6i2.73.

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Thermal spray aluminium adalah salah satu jenis teknologi rekayasa coating. Sifat utama yang menunjukkan kualitas proses thermal spray adalah kekuatan ikatan. Voltage pada thermal spray aluminium secara signifikan mempengaruhi kekuatan ikatan dan kemampuan bending lapisan. Tujuan dari penelitian ini yaitu menganalisis pengaruh voltage pada proses thermal spray aluminium terhadap kekuatan ikatan lapisan coating pada baja ST 60. Jenis pengujian yang dilakukan yaitu pengujian pull off adhesion, uji bending dan pengamatan SEM (Scanning Electron Microscope). Penelitian ini menggunakan metode eksper

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21

Rahdiana, Nana, Sukarman -, Khoirudin -, Amri Abdulah, and Apang Djafar Shieddieque. "SPRING-BACK ANALYSIS OF THE VEE BENDING PROCESS FOR HIGH-STRENGTH STAINLESS STEEL." Jurnal Teknologi 85, no. 3 (2023): 135–44. http://dx.doi.org/10.11113/jurnalteknologi.v85.16614.

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This study discussed the evaluation of bending process using high-strength SUS 304 (HS-SUS-304) material of high degree tolerances, and its application in a safe, strongbox, and strongroom protection system. This bending process is one of the several material-forming techniques widely used in the manufacturing industry. Moreover, incorrectly selected parameters such as the V-die punch radius, the angle of V-die bending, and the angle of machine parameters often leads to material failure and wrong final dimensions. The V-bending process was chosen for evaluation because it exhibits significant

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22

Nur, Rusdi, Muhammad Arsyad Suyuti, Arial Arial, Farid Hidayat Arfa, and Andi Fadel Ahmad. "Modifikasi Desain Konstruksi Alat Bending V Dengan Sistem Hidro Pneumatik." Jurnal Teknik Mesin Sinergi 21, no. 1 (2023): 97. http://dx.doi.org/10.31963/sinergi.v21i1.4223.

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Many forms of technological development aim to answer the need for human work efficiency, so an effective technology development effort is very necessary. As the times progress, of course, there are many changes, especially in science and technology, which may have shifted completely in the industrial area, meaning that in this change it is necessary to require extra operations, namely human labor replaced by machine power. One of them is a plate bending machine or what is called a bending machine. The purpose of this program according to the formulation of the problem above is to maximize the

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23

Zulkarnain, Akbar, Ajeng Tyas Damayanti, and Roni Yanuar Saputro. "Effect of Groove Shape in GTAW Welding on Bending Strength of Aluminium 6061." SAINSTECH NUSANTARA 1, no. 4 (2024): 30–39. https://doi.org/10.71225/jstn.v1i4.74.

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The Aluminum alloy 6061 material is used to make components for light trains such as underframes, sidewalls, roofs, and endwalls. A joining process called welding is used to make train components. In the connection process using welding, many stages must be considered, such as the design stage starting from selecting the type of welding, to choosing the seam angle used. This research aims to determine the effect of the shape of the seam on GTAW welding on bending tests on aluminum alloy 6061 material. The shape of the seam used in this research is a variation of the shape of the seam square gr

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24

Hamouda, A. M. S., F. Abu Khadra, M. M. Hamadan, R. M. Imhemed, and E. Mahdi. "Springback in v-bending: a finite element approach." International Journal of Materials and Product Technology 21, no. 1/2/3 (2004): 124. http://dx.doi.org/10.1504/ijmpt.2004.004747.

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25

YANG, Ming, Susumu SHIMA, and Tohru WATANABE. "High Accurate V-Bending with Model-Based Control." Transactions of the Institute of Systems, Control and Information Engineers 4, no. 2 (1991): 70–77. http://dx.doi.org/10.5687/iscie.4.70.

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26

Hayakawa, Kunio, Yukio Sanomura, Mamoru Mizuno, Yukio Kasuga, and Tamotsu Nakamura. "Finite Element Analysis of V-Bending of Polypropylene Using Hydrostatic-Pressure Dependent Plastic Constitutive Equation." Key Engineering Materials 340-341 (June 2007): 1103–8. http://dx.doi.org/10.4028/www.scientific.net/kem.340-341.1103.

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Finite element analysis of V-bending process of polypropylene was performed using hydrostatic-dependent elastic-plastic constitutive equations proposed by the present authors. Kinematic and isotropic hardening rule was employed for the plastic constitutive equations. The kinematic hardening rule was more suitable for the expression of the stress reversal in uniaxial stress - strain relation than the isotropic hardening. For the result of the finite element analysis of V-bending, the kinematic hardening rule was able to predict the experimental behavior of springback more properly than the isot

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27

Farsi, Mohammad Ali, and Behrooz Arezoo. "Bending force and spring-back in v-die-bending of perforated sheet-metal components." Journal of the Brazilian Society of Mechanical Sciences and Engineering 33, no. 1 (2011): 45–51. http://dx.doi.org/10.1590/s1678-58782011000100007.

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28

Srinivasan, R., and G. Karthik Raja. "Experimental study on bending behaviour of aluminium-copper clad sheets in V-bending process." Mechanics & Industry 20, no. 6 (2019): 618. http://dx.doi.org/10.1051/meca/2019059.

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The bimetallic sheets are used in the industrial sheet metal products to meet the demands of multi-functionality. The bending behaviour of bimetallic sheet is contributed by individual layers of the sheet and it is entirely different from the monolithic material. In this study, V-bending experiments are carried out to understand the springback, bend force and thickness change of Al-Cu clad sheets. The effect of different parameters such as sheet thickness, sheet setting condition, die angle, die opening and punch radius have been investigated. The results indicated that springback is more for

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29

Wibawa, Putu, Akbar Razzaqi, Kharis Abdullah, et al. "Analysis of tensile and flexural strength of HDPE material joints in ship construction." Journal of Applied Engineering Science 21, no. 2 (2023): 668–77. http://dx.doi.org/10.5937/jaes0-41924.

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The use of wood as the primary material in the fishing vessels construction has been use a lot in Indonesia. At present, there is a problem in the availability of wood materials which are increasingly difficult to obtain. For this reason, it is necessary to innovate good quality wood substitute materials. In this case, HDPE (High-Density Polyethylene) material is the suitable alternative as a substitute for the primary material for fishing vessels. However, further studies are needed due to the lack of regulation and research related to the joint of HDPE materials in ships construction. This s

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30

Cinar, Zeki, Mohammed Asmael, Qasim Zeeshan, and Babak Safaei. "Effect of Springback on A6061 Sheet Metal Bending: A Review." Jurnal Kejuruteraan 33, no. 1 (2021): 13–26. http://dx.doi.org/10.17576/jkukm-2021-33(1)-02.

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Springback is defined as undesirable shape change that occurs after forming process upon unloading due to the occurrence of elastic recovery of the part. Aluminum alloy with high content of magnesium such as A6061 is preferred for high formability limit to be used in automotive industry. However, generally springback turns out to be a drawback. Many researchers have examined the springback of A6061 by considering parameters such as bent angle, die shoulder radius, blank holder force, sheet thickness, punch thickness, modulus young, yield strength, Poisson’s ratio, annealing temperature, applie

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31

Huangfu, Shuang-E., Zhong Tao, Ji Zhang, et al. "Flexural Behavior of Stainless Steel V-Stiffened Lipped Channel Beams." Metals 13, no. 2 (2023): 434. http://dx.doi.org/10.3390/met13020434.

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Six groups of austenitic 022Cr19Ni10 stainless steel bending specimens with three types of cross-sectional forms were used to study the impact of V-stiffeners on the failure mode and flexural behavior of stainless steel lipped channel beams. These cross-sectional forms included V-stiffeners in the web compression zone at 1/3 height near the compressed flange and no V-stiffeners on the flange, V-stiffeners in the web compression zone at 1/3 height near the compressed flange and V-stiffeners in the middle of the compressed flange, and V-stiffeners on the web at 1/2 height and V-stiffeners in the

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32

Lei, Dun Cai, and Jin Yuan Tang. "The Design Method of V-Tooth Coupling." Advanced Materials Research 871 (December 2013): 347–51. http://dx.doi.org/10.4028/www.scientific.net/amr.871.347.

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A lecture on the method to compute the the stress of V-tooth coupling under the actual operating conditions. the finite element analysis model of V-tooth coupling under the preload, axial load and torsion was established by used of the software ABAQUS,and the distribution of the bending stress at the root was obtained. The analytical method to compute the bending stress of V-tooth disk is deduced based on the basic principle of material mechanics, and the relative error within 10% compared with the results of finite element analysis.The paper work provide the reference for the precision design

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Sudarsono, Sudarsono, Hidayat Hidayat, Aminur Aminur, Sarwo Pranoto, and Prinob Aksar. "ANALISA KEKUATAN MEKANIS SAMBUNGAN LAS KAMPUH V TUNGGAL DAN V GANDA PADA BAJA KARBON RENDAH DENGAN PROSES PENGELASAN SMAW." Dinamika : Jurnal Ilmiah Teknik Mesin 12, no. 2 (2021): 103. http://dx.doi.org/10.33772/djitm.v12i2.19894.

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Welding is one of the methods widely used in the joining of metals for structural elements. One of the factors that influence the strength of welded metals is types of welding joints. Suitability of the type of welding joint with geometries of base metals is required to obtain welded metal products with optimum properties. In this study an attempt is made to investigate mechanical properties of welded metals with two different types of joints (single-V and double-V) using the shielded metal arc welding (SMAW) process. Low carbon steel with bevel angle of 60° was used in this study. Welding pro

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34

Kim, Taewoong, Younggug Seol, Sunhee Lee, et al. "Flexible TFT backplane development for extremely small bending radius with organic ILD and novel TFT structures." Journal of the Society for Information Display 32, no. 5 (2024): 397–405. http://dx.doi.org/10.1002/jsid.1305.

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AbstractA new flexible low‐temperature polycrystalline silicon thin film transistors (LTPS TFTs) on PI substrate with organic ILD layer, island TFT, and TFT channel perpendicular to stress direction was proposed. AMOLED display panel manufactured with organic ILD did not show any visible degradation of panel image after outward rolling cycles of 200,000 at rolling radius of 4 mm or inward folding cycles of 200,000 at folding radius of 1 mm. Another novel structure of TFT with channel perpendicular to stress direction significantly reduced change of threshold voltage of −0.03 V compared with ch

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Nur, Rusdi, Muhammad Arsyad Suyuti, and Muhammad Iswar. "Designing and Manufacturing the Press Tool of Air Bending V Brake." Logic : Jurnal Rancang Bangun dan Teknologi 19, no. 3 (2019): 139. http://dx.doi.org/10.31940/logic.v19i3.1397.

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Nowadays, the metal forming process in the welding machinery and machinery industry is developing very rapidly, especially in the bending process. The buckling process is a metal formation which generally uses sheet plates or rods from both ferrous and non-ferrous metals by bending, which in the bending process will cause a stretching or stretching on the neutral axis of the field along the bending area and producing a straight bending line. Appropriate technology machines have been widely used to increase productivity, efficiency, and effectiveness in the production process for community effo

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36

Samhuddin, Samhuddin, Aminur Aminur, Al Ichlas Imran, and Sartirlan Ali. "Pengaruh Kuat Arus Listrik Terhadap Kekuatan Bending Akar Las dan Kekerasan Pada Pengelasan SMAW." Jurnal Fokus Elektroda : Energi Listrik, Telekomunikasi, Komputer, Elektronika dan Kendali) 7, no. 2 (2022): 78. http://dx.doi.org/10.33772/jfe.v7i2.23323.

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Struktur sambungan pada konstruksi baja yang rigid tidak terlepas dari pengelasan. Tujuan penelitian ini adalah untuk mengetahui pengaruh kuat arus terhadap kekuatan bending pada akar las dan kekerasan pada daerah logam las, base metal dan Heat Affected Zone. Bahan yang digunakan adalah plat baja karbon rendah tebal 8 mm. Pada kedua bagian sisi ujung yang disambung masing-masing dibuat groove sudut 30 derajat yang membentuk sebuah kampuh V sudut 60 derajat. Pada kampuh V dilas dengan proses SMAW posisi 1G dengan variasi arus pengelasan 70 A, 90 A dan 110 A dengan elektroda berdiamter 2,6 mm. H

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Han, Tingzhuang, Guangsheng Huang, Yougen Wang, Guangang Wang, Yanchun Zhao, and Fusheng Pan. "Enhanced mechanical properties of AZ31 magnesium alloy sheets by continuous bending process after V-bending." Progress in Natural Science: Materials International 26, no. 1 (2016): 97–102. http://dx.doi.org/10.1016/j.pnsc.2016.01.005.

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Leu, Daw-Kwei. "Position deviation of bending point in asymmetric V-die bending process with HSS trapezoid sheet." International Journal of Advanced Manufacturing Technology 91, no. 9-12 (2017): 3727–35. http://dx.doi.org/10.1007/s00170-017-0029-3.

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Tominaga, Takayuki, Kouji Senda, Nobuyuki Ohya, Takaharu Idogaki, and Tadashi Hattori. "A bending and expanding motion actuator." Robotica 14, no. 5 (1996): 483–86. http://dx.doi.org/10.1017/s0263574700019950.

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SUMMARYA bending and expanding motion actuator which iscomposed of multi-layered PZT unimorph cells has beendeveloped. These cells are piled one against another.Each cell's electrode is divided into three sectors and thefacing sectors are connected to one another. Multidirectionalbending is realized by controlling the drivingvoltage of each sector. The actuator is 12 mm indiameter, 20 mm in length and 6.4 g in weight with 40cells. The bending angle was 2.2 degrees, and the expansion displacement was 700 μm with 150 V. The resonant frequency was 95 Hz at 25 V.

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Lu, Xiao Yang, Qi Tao Zhou, Li Li Huang, and Jin Ming Liu. "Numerical Simulation and Parameter Optimization of Hot Pushing Elbow Pipe Bending Process." Applied Mechanics and Materials 432 (September 2013): 92–97. http://dx.doi.org/10.4028/www.scientific.net/amm.432.92.

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On the basis of the experiments, hot pushing pipe bending process on ox horn core bar is simulated by using MSC.Marc software and orthogonal testing method. Simulations and optimization of sixteen possible combinations of the three parameters T, v and f are carried out with orthogonal testing method L16(43). Aimed at the uniform wall-thickness of elbow pipes, the influence regularity and the influence degree of heating temperature T, pushing speed v and friction coefficient f on the pipe quality are analyzed. The best parameter of hot pushing pipe bending process are T=750 °C, v=4 mm/s and f=0

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Stefenelli, Mario, Angelika Riedl, Juraj Todt, et al. "Macroscopic Fracture Behaviour of CrN Hard Coatings Evaluated by X-Ray Diffraction Coupled with Four-Point Bending." Materials Science Forum 768-769 (September 2013): 272–79. http://dx.doi.org/10.4028/www.scientific.net/msf.768-769.272.

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Fracture behavior of hard nanocrystalline coatings decisively influences the lifetime and performance of coated tools. In this work, residual stresses in as-deposited and annealed CrN coatings deposited at 350 °C using bias voltages of −40 V and −120 V were evaluated using synchrotron X-ray diffraction coupled with four-point bending. The stress development during the bending experiments was used to analyse fracture properties of the coatings. The results indicate that an annealing at 550 °C does not deteriorate the fracture behavior of the coatings prepared using −40 V bias. In the case of −1

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Ma, Guo Ying, Bin Bing Huang, Shou Bo Jiang, and Kui Chen. "Analysis of Process Parameters Influencing V-Bending Based on Dynaform." Applied Mechanics and Materials 423-426 (September 2013): 1858–61. http://dx.doi.org/10.4028/www.scientific.net/amm.423-426.1858.

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On the basis of studying the sheet bending forming mechanism, the process of V-bending has carried on the finite element simulation analysis. Aimed at the phenomenon such as the springback in the sheet forming process, according to the quality of formed parts evaluation index, the impact of changes on stamping parameters such as blank holder force, stamping velocity, friction coefficient was analyzed on the bending process and springback of stamping parts. The parts quality problems encountered in the process of stamping process were predicted, in order to provide a theoretical basis for the s

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Liu, Geng Wu, and Zhen Long Zhong. "Study and Design of Sheet Metal Bending Springback Adjustable Die." Advanced Materials Research 152-153 (October 2010): 1092–96. http://dx.doi.org/10.4028/www.scientific.net/amr.152-153.1092.

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A kind of U type 90°or V type 90°bending springback testing die was set up to discuss the bending springback . The springback of material can be masteried through setting up of bending springback adjusting test die without prior calculation . In order to adjust the bending angle , the T type slide seat and bending press plate were used and the adjusting of bending radii was implemented by replacing the adjusting axis of bending radii. At first, if the springback value of the sheet metal made sure for the die design , then the die was designed , the large of works for repaired and tested die we

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Park, Chanwoo, Bhavana Joshi, Edmund Samuel, et al. "Supersonically Sprayed Cobalt Titanate and PVDF for Flexible Piezoelectric Nanogenerators." International Journal of Energy Research 2023 (November 16, 2023): 1–15. http://dx.doi.org/10.1155/2023/8870780.

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Piezoelectric nanogenerators (PENGs) are the core components of self-powered devices used in sensors, ecofriendly wearable gadgets, and biomedical implants. This study introduces and demonstrates a flexible PENG with supersonically cold-sprayed films of cobalt titanate (CTO) and polyvinylidene fluoride (PVDF). An electrically poled PENG produces a maximum output voltage of 34.8 V under a tapping force of 20 N, whereas a CTO/PVDF-based PENG exhibits 25.4 V across a loading resistance ( R L ) of 50 MΩ and generates a short-circuit current of 30 μA at 0.1 MΩ. Furthermore, the maximum power densit

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Bayu Randika, Dimas, and Rieza Zulrian Aldio. "Pengaruh Variasi Kampuh Pengelasan Smaw Terhadap Uji Kekerasan, Uji Bending dan Uji Struktur Mikro Pada Pegas Daun Mitsubhisi Canter 125 PS." ARMATUR : Artikel Teknik Mesin & Manufaktur 5, no. 1 (2024): 134–43. http://dx.doi.org/10.24127/armatur.v5i1.5415.

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Pengelasan adalah penyambungan dua atau lebih logam dengan cara melunakkan sebagian logam dasar dan logam pengisi terlepas dari regangan dan logam tambahan dan menghasilkan sambungan yang saling menyambung. Tujuan penelitian ini adalah untuk mendapatkan kekuatan kekerasan, kekuatan bending dan struktur mikro pada sambungan pengelasan baja pegas daun SUP9A dengan berbagai variasi kampuh V, X dan double U. Proses pengelasan menggunakan mesin las SMAW dengan arus 90 A, kawat elektroda E7018 diameter 2,6 mm, material yang digunakan adalah baja pegas daun SUP9A dengan ketebalan 10 mm. Hasil penelit

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Chen, Chung-De. "Investigations of Bending Singularity Orders in a V-notched Composite Laminate Plate Based on the Ressiner-Mindlin Theory." MATEC Web of Conferences 151 (2018): 01001. http://dx.doi.org/10.1051/matecconf/201815101001.

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In this paper, the bending singularity at the apex of a V-notched composite laminate plate is investigated. The anisotropy of the laminate is modeled by the Stroh formalism. Based on the eigenfunction expansion method, the bending singularity orders can be determined by solving an eigenvalue problem numerically. The singularity orders depend on the plate angle, material orientation, material anisotropy and the laminate stacking sequence. The comparison cases show that the material orientation should avoid in order to reduce the bending singularity. The layers near the free surfaces have more s

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Abdulah, Amri, Revi Kusnadi, Mohamad Rizkiyanto, Sukarman, Amir Amir, and Dibyo Setiawan. "An Analysis of the Springback Phenomenon of the Material Aluminum Alloy 6063-T5 With Punch Angle Variation." Jurnal Teknik Mesin Mechanical Xplore 3, no. 1 (2022): 34–39. http://dx.doi.org/10.36805/jtmmx.v3i1.2768.

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Springback is a phenomenon that frequently occurs in bending processes and is detrimental to the manufacturing industry. Typical disadvantages include the incompatibility of the product's final dimensions and the need for additional processing. Indeed, these must also incur additional expenses and result in the inefficient production process flow. Consequently, the analysis of springback is attracted to studies to obtain a bending product that meets expectations. This study examined the springback phenomena on 60 mm x 19 mm x 2 mm aluminium alloy 6063-T5 materials using V-bending processes and

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Tondini, Fabio, Alberto Basso, Ulfar Arinbjarnar, and Chris Valentin Nielsen. "The Performance of 3D Printed Polymer Tools in Sheet Metal Forming." Metals 11, no. 8 (2021): 1256. http://dx.doi.org/10.3390/met11081256.

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Additively manufactured polymer tools are evaluated for use in metal forming as prototype tools and in the attempt to make sheet metal more attractive to small production volumes. Printing materials, strategies and accuracies are presented before the tools and tested in V-bending and groove pressing of 1 mm aluminum sheets. The V-bending shows that the tools change surface topography during forming until a steady state is reached at around five strokes. The geometrical accuracy obtained in V-bending is evaluated by the spring-back angle and the resulting bend radius, while bending to 90° with

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Grolleau, Vincent, Vincent Lafilé, Christian C. Roth, Bertrand Galpin, Laurent Mahéo, and Dirk Mohr. "Rate-dependent ductile fracture under plane strain tension: experiments and simulations." EPJ Web of Conferences 183 (2018): 02022. http://dx.doi.org/10.1051/epjconf/201818302022.

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Among all other stress states achievable under plane stress conditions, the lowest ductility is consistently observed for plane strain tension. For static loading conditions, V-bending of small sheet coupons is the most reliable way of characterising the strain to fracture for plane strain tension. Different from conventional notched tension specimens, necking is suppressed during V-bending which results in a remarkably constant stress state all the way until fracture initiation. The present DYMAT talk is concerned with the extension of the V-bending technique from low to high strain rate expe

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Bozdemir, M., and M. Golcu. "Artificial Neural Network Analysis of Springback in V Bending." Journal of Applied Sciences 8, no. 17 (2008): 3038–43. http://dx.doi.org/10.3923/jas.2008.3038.3043.

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