Relevant bibliographies by topics / Bending machines

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  1. Journal articles

Academic literature on the topic 'Bending machines'

Author: Grafiati
Published: 4 June 2021
Last updated: 5 February 2022

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Journal articles on the topic "Bending machines"

1

Jones, Emlyn L., and Terry Watne. "Development of Integrated Shipyard Pipe Production Facility." Journal of Ship Production 11, no. 03 (1995): 187–95. http://dx.doi.org/10.5957/jsp.1995.11.3.187.

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Jesse Engineering Company of Tacoma, Washington is the parent company of the Wallace Coast Machinery Company, which has designed and built pipe bending machines for many years. Working on a pipe bending machine application led to a complete pipe production modernization project in Southern China. Engineers jointly developed the design specifications for the machinery and automated controls. The overall engineering requirement was to automatically collect and sort the pipe processing requirements; route and track each spool through the shop; and provide automated bending, cutting, flange welding, and bending of the pipes. This paper describes and illustrates the shipyard system and explains the machinery and features of the new pipe production facility.
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2

Koryagina, O. M. "The selection of the main axis and the forming plane in automatic profiling and stamping lines." Glavnyj mekhanik (Chief Mechanic), no. 7 (June 11, 2021): 44–48. http://dx.doi.org/10.33920/pro-2-2107-04.

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The article defines the main axis and the profiling plane in automatic profiling and stamping lines. Specific recommendations are given for choosing the position of the main axis and the profiling plane, depending on the configuration of the manufactured parts of the roll-formed section. Under the general name of profiling in the practice of stamping works, it is meant to obtain rigid and light profiles of large length and various configurations from sheet blanks. Profiling is carried out in four ways: in dies on crank presses, in dies on special bending presses, on universal bending machines (edging machines), on profiling roller machines. The first method, profiling on crank presses, is used for complex semi-closed and open profiles of relatively small length, if there are no special bending presses or profiling machines. The second method, profiling on special bending presses, is used for open and semiclosed profiles up to 5 mm long. The advantage of such presses is the possibility of using simple, and therefore cheap, tools in the manufacture. The third method, profiling on universal bending machines (edging machines), is used for bending parts (profiles of a simple shape in straight lines with different coupling radii determined by the radius of the machine ruler, for which the latter has a set of rulers). Bending machines allow bending materials of small thickness. Low productivity and the need for physical labor costs limit the use of these machines. The fourth method, profiling on roller machines, is used for open, semi-closed and closed profiles. The essence of the profiling process is to gradually change the profile drawing of a flat belt to a given profile when it is moved sequentially through several pairs of shaped rollers arranged sequentially one after the other in the same plane and rotating at the same speed. The article describes in detail the fourth method; the advantages and disadvantages are noted.
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3

Chaudhari, Manjit. "Hydraulic Pipe Bending Machine." International Journal for Research in Applied Science and Engineering Technology 9, no. VII (2021): 3299–304. http://dx.doi.org/10.22214/ijraset.2021.37102.

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The process of pipe bending finds its importance in many industries, instruments, fluids transportation etc. The aim of this research is to design and fabricate a hydraulic jack-based pipe bending machine which has ability to bend pipes used at gas supply industry, while keeping in mind the requirements of a good pipe bending machine to provide high quality bends without defects but at the cost lesser than the existing pipe bending machines available in the marketplace. The fabricated pipe bending machine works on the principle of press bending method to perform the bending operation. The design of the proposed pipe bending machine is based on essential parameters of bending process such as radius and angle of the bend, diameter and thickness of the pipe. The single acting hydraulic jack of 16000 KG load capacity is used to apply the required pressing force to bend a circular pipe having the outer diameter ranging from ½ inch to 2 inches.
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4

Hoffmann, M., U. Geiβler, and M. Geiger. "Computer-aided generation of bending sequences for die-bending machines." Journal of Materials Processing Technology 30, no. 1 (1992): 1–12. http://dx.doi.org/10.1016/0924-0136(92)90035-q.

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5

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 efforts. One of the appropriate technologies that can be applied in buckling is a tool equipped with a press tool. Press tool is one type of tool for the formation, cutting and bending of products from the base material of sheet plates whose operation uses a press machine. In this study, a V brake bending tool has been produced which has a capacity that is bending line length 300 mm, bending width 33 mm, spring height 110 mm, free step distance 19 mm, spring load received 263,820 N and material capacity that can be bent is a thickness of 3 mm, the punch angle used is 85⁰ with a punch radius used which is 1.5 mm while the die angle is 85⁰
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6

Zheng, Xi Jian, Xin Zhuo Wang, Jin Meng Zhang, and Yu Fei Zhu. "Influence Parameters Analysis of Forming Quality and System Dynamics Simulation of Vertical Steel Bar Benting." Applied Mechanics and Materials 483 (December 2013): 280–84. http://dx.doi.org/10.4028/www.scientific.net/amm.483.280.

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The vertical steel bar bending forming is a kind of new process of bending method. The bending speed, bending radius and clamping length H which is the parameters of vertical steel bar bending machine , is directly affect the quality of bending forming parts. This paper calculated the length of reinforcement before being incised and the springback angle of bending steel bar which obtained the reasonable cutting length and bending Angle; Then based on rigid-flexible virtual prototype technology to build the dynamics model of vertical steel bar bending system. Through simulation analysis ,it obtained the relationship between bending speed, bending radius , clamping length H and forming quality of bending steel bar. In this paper, the analysis method have reference value to the design of similar steel bar bending machines.
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7

Śloderbach, Z. "Application of Two Conditions of Loss of Stability in Analysis of the Tube Bending Process." International Journal of Applied Mechanics and Engineering 24, no. 4 (2019): 200–223. http://dx.doi.org/10.2478/ijame-2019-0058.

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Abstract In this paper, the derivation of expressions for admissible values of strains and stresses for vertex points of layers subjected to tension during tube bending at bending machines is presented. The conditions of the dispersed and located loss of stability of the bent tube were assumed as criteria of instability. The original element of this paper is the extension of the criterion of strain location in a form of possible initiation of a neck or furrow (introduced by Marciniak for thin plates [1]) to bending thin- and thick-walled metal tubes at bending machines. The conditions of the dispersed and localized loss of stability together with formation of the plane state of deformation (PSD) in the plane stress state (PSS) were assumed as the criteria of instability. The calculation results were presented as graphs being useful nomograms. We present also simple examples of calculations of permissible and critical strains and values of bending angles including and not including displacement of the neutral axis y0, during cold bending metal thin-walled tubes at bending machines for bending angles <0o; 180o>.
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8

Giripunje, Manish. "Design of Manual Pipe Bending Mechanism." International Journal for Research in Applied Science and Engineering Technology 9, no. VI (2021): 1981–88. http://dx.doi.org/10.22214/ijraset.2021.35380.

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Rotary draw bending an ongoing process. It’s an at-hand service proffered within the current market. However, each draw bender features a divergent mechanism with its pros and cons, thanks to its main advantages; the rotary draw bender was selected. Pipe bending machines have progressed many enhancements and augmentations over the amount. The sort of pipe bending plays a critical role in industries, instruments, and transporting of fluids. The first concern is that the required bend angle that this pipe will bend on. The following report will include an outline of the accessibility of this machine. The crucial variables that ought to be accounted for within the pipe bending is bend radius bend angle, pipe diameter, and thickness. The concept of press bending is employed to hold out the operation; thus, the specified force is administered with the help of a hydraulic jack. Also, other important variables are accounted for, like the bending force, bending torque, simulation outcomes about the work piece analysis, and eventually the machine design. Moreover, a prototype that satisfies the specified constraints is manufactured and assembled. Being a manual bending machine means no use of electricity is required, leading to no power consumption. Additionally, this machine is favorable, feasible, affordable, low maintenance, and higher accuracy.
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9

Hermes, Matthias, Daniel Staupendahl, Christoph Becker, and A. Erman Tekkaya. "Innovative Machine Concepts for 3D Bending of Tubes and Profiles." Key Engineering Materials 473 (March 2011): 37–42. http://dx.doi.org/10.4028/www.scientific.net/kem.473.37.

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The paper deals with two new processes and developed special machines for profile and tube bending. The first process is a new roll-based machine for three-dimensional bending of profiles with symmetrical and asymmetrical cross-sections that has been developed. Compared to conventional processes like stretch bending, the advantage of Torque Superposed Spatial (TSS) Bending is the kinematic adjustment of the bending contour, leading to higher flexibility and cost efficiency especially in small batch production. The second process is the new process of Incremental Tube Forming (ITF). This process is based on a combination of a spinning process and kinematic free form bending of tubular semi-finished products. It is suitable for bending tubes two- and three-dimensionally to arbitrary contours and for manufacturing tailored tubes. The combined spinning and bending process leads to low bending forces with the possibility of a significant springback reduction.
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10

Berg, B. T. "Bending of Superelastic Wires, Part II: Application to Three-Point Bending." Journal of Applied Mechanics 62, no. 2 (1995): 466–70. http://dx.doi.org/10.1115/1.2895953.

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The constitutive relationship between applied pure bending moment and the resulting curvature of a few superelastic alloy wires is applied to the three-point bending problem. Three-point bending experiments on hard and soft loading machines are described. The relationship between the applied deflection and the resulting force in three-point bending is calculated from a nonlinear Euler-Bernoulli rod theory. A numerical procedure used to solve the three-point bending problem for both loading and unloading is briefly described and numerical results are compared with experiment.
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