Investigation into forming sequences for the incremental forming of doubly curved plates using the line array roll set (LARS) process

Shim, Do-Sik; Yang, Dong‐Yol; Kim, K.H.; Chung, Sung Wook; Han, Myung-Soo

doi:10.1016/j.ijmachtools.2009.11.009

Cited by 55 publications

(19 citation statements)

References 8 publications

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“…Reconfigurable multi point tools were employed to approximate the upper and lower solid dies. The line array roll set (LARS) was developed by Shim et al [175][176][177]. Each roll set can be moved in vertical direction as shown in Fig.…”

Section: Incremental Profile Forming By Flexible Roll Movementsmentioning

confidence: 99%

Flexibility in metal forming

et al. 2018

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Flexibility in metal forming is needed more than ever before due to rapidly changing customer demands. It paves the way for a better control of uncertainties in development and application of metal forming processes. Although flexibility has been pursued from various viewpoints in terms of machines, material, process, working environment and properties, etc., a thorough study of the concept was undertaken in order to with problems of manufacturing competiveness and tackle new challenges of manufacturing surroundings. Therefore, in this paper, flexibility in forming is reviewed from the viewpoints of process, material, manufacturing environment, new process combinations and machine-systemsoftware interactions.

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Section: Incremental Profile Forming By Flexible Roll Movementsmentioning

confidence: 99%

Flexibility in metal forming

et al. 2018

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“…Continuous roll forming is a new forming process for threedimensional sheet metal, combining of multi-point adjustment and rolling technology [1,2]. The sheet metal is compressed between the upper and lower bendable rolls, and the transverse bending deformation is generated by the configuration of the flexible rolls, while the longitudinal deformation results form the non-uniform longitudinal strain caused by the non-uniform distribution of the roll gap [3].…”

Section: Introductionmentioning

confidence: 99%

Shape Error Analysis on the Three-dimensional Surface Part in Continuous Roll Forming

Sun¹,

Yan

Chen³

2017

Proceedings of the 2017 International Conference on Information Technology and Intelligent Manufacturing (ITIM 2017)

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Abstract-Continuous roll forming (CRF) is a new type of flexible forming technology, which can produce threedimensional surface parts with different curvatures by adjusting a pair of bendable rolls and the distribution of roll gap. In this paper, shape error analysis on the three-dimensional surface part is studied, and the comparison of transverse and longitudinal curvature radii of convex surfaces is expressed. The results show shapes of convex curved surface parts are uniform, while larger curvature is obtained on both sides. Furthermore, the shape error of three-dimensional surface part decreases from the center to the edges, and the radius of formed part is closed to the target radius in the middle area. In addition, the experiments of convex curved surface parts are carried out, and the experimental results show the validity of the simulation results.

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“…However, multi-varieties and small batch manufacturing represent the future direction of advantage manufacturing mode and has become the hot spot in the field of manufacturing research. In order to meet such requirements, a number of flexible forming methods have been proposed such as incremental forming and continuous roll forming [1,2]. In order to manufacture 3D sheet metal parts fast and efficiently, Li and his co-workers put forward a novel forming process, namely flexible rolling [3].…”

Section: Introductionmentioning

confidence: 99%

Research on forming force of flexible rolling for three-dimensional surface sheet metal parts through numerical simulation

Lun¹,

Fu²,

Li³

et al. 2016

Proceedings of the 2016 4th International Conference on Machinery, Materials and Computing Technology

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Abstract. Flexible rolling is a novel manufacturing technique for forming three-dimensional surface sheet metal parts. The working parts are two bendable rolls. The shape of each working roll can be adjustable respectively, and the gap of two rolls is controlled. The transverse curvature of the formed surface is the same as the curvature of the neutral layer of the gap. The longitudinal curvature of the formed surface is determined by non-uniform rolls gap which leads to non-uniform fiber extension. In this paper, the forming principle of the flexible rolling has been elaborated. The forming force characteristic has been analyzed. The modeling method has been described. The simulation results of the forming force have been analyzed. The forming experiment has been taken and the forming force has been tested. The correctness of the model and the simulation method has been verified. The research results show that the flexible rolling is a novel and effective method for forming three-dimensional surface sheet metal parts. The simulation method can deal with the difficulties of forming force calculation of flexible rolling effectively.

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Investigation into forming sequences for the incremental forming of doubly curved plates using the line array roll set (LARS) process

Cited by 55 publications

References 8 publications

Flexibility in metal forming

Flexibility in metal forming

Shape Error Analysis on the Three-dimensional Surface Part in Continuous Roll Forming

Research on forming force of flexible rolling for three-dimensional surface sheet metal parts through numerical simulation

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