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Analysis and optimization of variable depth increments in sheet metal incremental formingLI Jun-chao(李军超), WANG Bin(王宾), ZHOU Tong-gui(周同贵) (College of Materials Science and Engineering, Chongqing University, Chongqing 400044, China)Abstract:A method utilizing variable depth increments during incremental forming was proposed and then optimized based on numerical simulation and intelligent......
to facilitate sheet metal forming. So far, some work on rolling process and annealing treatment of Mg alloys has been carried out[8-10], and the Mg alloy sheets have been proved feasible in industrial... Annealing behavior of rolled AZ31 alloy sheet PENG Wei-ping(彭伟平), LI Pei-jie(李培杰), ZENG Pan(曾 攀) Key Laboratory for Advanced Manufacturing by Materials Processing Technology, Tsinghua......
Trans. Nonferrous Met. Soc. China 30(2020) 1463-1477 Comparative study on forming limit prediction of AA7075-T6 sheet with M-K model and Lou-Huh criterion Guo-jiang DONG1, Zhi-wei CHEN2, Zhuo-yun..., the forming limit curves of AA7075-T6 high-strength sheet were drawn according to Morciniak-Kuczyski (M-K) model and Lou-Huh criterion, respectively. The errors between the predicted values......
as the criterion of forming limit under complex strain paths. The forming limit of 3A21 aluminum alloy sheet was tested and its forming limit diagram(FLD) was determined. Then the FLSD of 3A21 was constituted... processes a general distinction is to be drawn between forming of tubular material and forming of sheet material. Today, predominantly tubular material is considered for the mass production......
of the room-temperature deformation condition for nickel based super-alloy sheet. The inner and outer pressure forming with the visco-elasto-plastic pressure-carrying medium can meet the requirements... strength of nickel based super-alloy at room temperature, the main forming method for thin-walled curved surface parts is hot-forming. The sheet metal plastic deformation ability makes the thin-walled......
Laser forming thin aluminum sheetsLI Li-qun(李俐群), CHEN Yan-bin(陈彦宾), LIN Shang-yang(林尚扬)(State Key Laboratory of Advanced Welding Production Technology, Harbin Institute of Technology, Harbin 15001, China)Abstract:Laser forming is a flexible forming process that forms sheet metal by means of laser-induced stresses instead of by means of external force. With the rapid development of laser......
and loads easily, the technology provides a new method to realize the hot deep-drawing forming on high strength aluminum alloy sheet. Based on the pressure-transfer performance test of granule medium... of spherical cap which is in the free deforming area. Key words: granule medium; aluminum alloy sheet; deep-drawing; hot forming; limit drawing ratio 1 Introduction Flexible-die hot forming technology......
, the adaption of conventional, wellestablished forming methods for the processing of hybrid sheet metals is a current challenge for the sheet metal working industry. In this work, the planning phase for a conventional sheet metal forming process is studied aiming at the forming of metal–plastic composite sheets. The single process steps like material characterization, FE analysis, tool design......
Trans. Nonferrous Met. Soc. China 22(2012) 164-169 3D modeling and deformation analysis for electromagnetic sheet forming process CUI Xiao-hui, MO Jian-hua, ZHU Ying State Key Laboratory of Material...) is a high-speed forming method which can be quite effective in increasing the forming limits of metal sheet. However, the EMF process is complicated due to magnetic-structure coupling analysis......
, ZHANG Yong-kang, ZHANG Fang. Study on calculation of minimum laser energy of sheet metal deformation by laser shock forming [J]. Opt Precison Eng, 2006, 14(3): 396-401. (in Chinese) [9] ZHANG X R... Simulation and prediction in laser bending of silicon sheet WANG Xu-yue, XU Wei-xing, XU Wen-ji, HU Ya-feng, LIANG Yan-de, WANG Lian-ji Key Laboratory for Precision and Non-traditional Machining......
