Implementing a high accuracy Multi-Mesh Method for incremental Bulk Metal Forming

Hirt, Gerhard; Kopp, Reiner; Hofmann, Oliver; Franzke, Martin; Barton, G.

doi:10.1016/j.cirp.2007.05.072

Cited by 35 publications

(20 citation statements)

References 2 publications

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“…This character enables reducing the computation time of FE analysis for velocity field. For example, the two multi-mesh methods developed by Arvind [18] and Hirt [19,20] respectively introduced the consolidated mesh and the simulation mesh, which are both fine in the deformation zone and coarse outside of it, for velocity calculations and other uses. These two types of computational meshes have been proved to be efficient for reducing the computation time.…”

Section: Principle Of the Mesh Condensation Methodsmentioning

confidence: 99%

“…In the methods proposed by Arvind [18] and Hirt [19,20], a "computational box" for the deformation zone, which defines the deforming material in a forging bite, is pre-assigned by the operator. But how the operator should preassign the computational box is not explained.…”

Section: Construction Of the Computational Meshmentioning

confidence: 99%

“…This method was originally proposed to simulate ring rolling by Kim et al [15], Hu et al [16] and Lim et al [17], and then implemented for simulations of the stretch forging by Arvind et al [18] and Hirt et al [19,20]. They all adopted two mesh systems for computation and storage of physical values of a workpiece.…”

Section: Introductionmentioning

confidence: 99%

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Finite element simulation of stretch forging using a mesh condensation method

Wen

Cui

2010

Sci. China Ser. E-Technol. Sci.

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In order to reduce the computation time of finite element simulations of stretch forging process, a mesh condensation method is presented and applied to a three-dimensional rigid-viscoplastic finite element program. In this method, a conventional mesh for the whole zone of a workpiece is condensed to a computational mesh for the active deformation zone. Two vital problems are solved, which are automatic construction of the computational mesh and treatment of interfaces between the deformation zone and the rigid zone. The mesh condensation method is compared with conventional finite element method by simulations of a six-bite stretch forging process. Some simulation results including forging load, temperature distribution and effective strain distribution are illustrated. The efficiency and accuracy of this method are verified. mesh condensation method, finite element method, stretch forging, incremental forging Citation:Chen W, Cui Z S, et al. Finite element simulation of stretch forging using a mesh condensation method.

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Section: Principle Of the Mesh Condensation Methodsmentioning

confidence: 99%

Section: Construction Of the Computational Meshmentioning

confidence: 99%

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Finite element simulation of stretch forging using a mesh condensation method

Wen

Cui

2010

Sci. China Ser. E-Technol. Sci.

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“…The medium-size rings are the fundamental parts which have been widely used in industry fields such as automobile, railway and machine tool [1,2]. Vertical hot ring rolling (VHRR) process is the advanced production technology for such rings.…”

Section: Introductionmentioning

confidence: 99%

Research on automatic loading & unloading technology for vertical hot ring rolling process

Wang

Mei

et al. 2015

MATEC Web of Conferences

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Abstract. The automatic loading & unloading technology is the key to the automatic ring production line. In this paper, the automatic vertical hot ring rolling (VHRR) process is taken as the target, the method of the loading & unloading for VHRR is proposed, and the mechanical structure of loading & unloading system is designed, The virtual prototype model of VHRR mill and loading & unloading mechanism is established, and the coordinated control method of VHRR mill and loading & unloading auxiliaries is studied, the movement trace and dynamic characteristic of the critical components are obtained. Finally, a series of hot ring rolling tests are conducted on the VHRR mill, and the production rhythm and the formed rings' geometric precision are analysed. The tests results show that the loading & unloading technology can meet the high quality and high efficiency ring production requirement. The research conclusions have practical significance for the largescale automatic ring production.

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“…Advantages of incremental bulk forming are well known in the literature [1][2][3][4][5]. This technology is commonly applied in industrial conditions, to reduce loads and to increase workability during forging in comparison with the conventional monotonic process.…”

Section: Introductionmentioning

confidence: 99%

Recent development in orbital forging technology

et al. 2008

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The main subject of the present work is investigation of possibility of extension of classical orbital forging technology to obtain more cost effective forging process. Orbital forging is the process used for forging of shaped parts by applying the incremental forging method. Results of simulation of orbital forging are compared in the present work with the result obtained from a conventional forging process. 3D finite element (FE) simulations are used in the present project to evaluate the capabilities of the orbital forging process and proper die design, and to predict the forging loads the. Selected results of simulations are presented in the paper. These results are the basis for the further comparison and discussion about possible modifications of conventional orbital forging approach.

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Implementing a high accuracy Multi-Mesh Method for incremental Bulk Metal Forming

Cited by 35 publications

References 2 publications

Finite element simulation of stretch forging using a mesh condensation method

Finite element simulation of stretch forging using a mesh condensation method

Research on automatic loading & unloading technology for vertical hot ring rolling process

Recent development in orbital forging technology

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