Viscous pressure forming (VPF), a recently developed process, is an advanced approach in sheet metal forming.
粘性压力成形技术是金属板材成形领域里新近出现的一种先进的加工工艺。
The strategy of variable blank holding force is an effective measure for the springback control in sheet metal forming processes.
变压边力策略是在冲压件成型中控制回弹的一种有效措施。
Springback is an inevitable and universal phenomenon in sheet metal forming, which may affect the tolerance and final shape of stampings.
回弹是板材成形过程中不可避免的一个普遍现象，直接影响到冲压件的尺寸精度和零件最终形状。
Springback is a common phenomenon in sheet metal forming, caused by the elastic redistribution of the internal stresses during unloading.
回弹是卸载过程产生的反向弹性变形，是板料冲压成形过程中存在的一种普遍现象。
In sheet metal forming, the springback can affect the precision of the formed part directly, and some approaches must be used to minimize those undesirable effects.
它直接影响弯曲件的成形精度，因此需要设法减小其对弯曲成形精度的不利影响。
The design of drawing process for automobile panel is called as design "black box"in sheet metal forming domain, while the die-face design of drawing die is the key part.
汽车覆盖件拉延工序设计被称为薄板冲压成形领域的设计“黑箱”问题，而拉延模型面设计是其中的核心内容。
In sheet metal forming fields, the final shape of part is commonly controlled by the springback after stamping, so the springback problem is the hotspot of research all the time.
在板料成形领域，零件的最终形状往往取决于成形后的回弹，所以回弹问题一直是研究的热点。
Wrinkling and fracture are the major defects in sheet metal forming, and the blank-holder force(BHF) is an important technologic parameter controlling the forming of sheet metal.
在板材成形中，起皱和拉裂是主要缺陷，而压边力是控制板材成形的重要工艺参数。
For the simulation accuracy of springback problem in sheet metal forming, the effect of punch virtual velocity and sheet virtual density on the sheet strain energy was studied in this paper.
针对板料成形回弹精度问题的数值模拟，从理论上分析了凸模虚拟速度和板料虚拟密度对薄板变形能的影响。
In the technique, the functions such as choosing forming path and sectional forming for sheet metal, which can't be realized in traditional method, can be implemented easily.
多点柔性成形是一种先进的金属板材成形技术，这种成形方法能够实现成形路径选择、分段成形等传统成形方法无法实现的功能。
Digital incremental forming is a new technology for flexible process that has sprung up in the world used in metal sheet manufacturing.
金属板料数字化渐进成形技术是目前国际上刚刚兴起的一种柔性制造技术。
Laser sheet bending is a new metal flexible forming process, which has shown more advantages in contrast to the classical metal forming.
板材激光弯曲成形是一种新型金属板材柔性成形技术，与传统成形工艺相比具有显著优势。
In this thesis, by using FEM software-LS-DYNA, we simulate the process of sheet metal Incremental Forming.
本文利用有限元分析软件LS - DYNA对金属板料渐进成形的过程进行了模拟。
According to the sine law, vertical wall shell cannot be finished at one time in nc incremental sheet metal forming process, it must be formed at many times.
根据正弦定律，金属板料数控渐进成形工艺，不能一次成形出直壁筒形件，要成形直壁筒形件，必须进行多次成形。
Sheet thickness is thinned, surface area is increased in the nc incremental sheet metal parts forming process, and sheet forming point by point is to lead to the whole sheet deformation.
认为，板料零件数控渐进成形是使板料的厚度减薄，表面积增大，靠逐次的变形累积产生整体的变形。
Numerical simulation of sheet metal forming has become a useful tool to evaluate process feasibility and find out forming defects, and has been applied in stamping die design for automotive panels.
板料成形过程模拟技术可以评价工艺可行性和预测缺陷，广泛应用于汽车覆盖件模具设计中。
In the stamping and forming processes of automotive covering parts, only the maximum deformability, which is reachable in stable deformation stage of sheet metal, can be made use.
在汽车覆盖件的冲压成型中，可以利用的是板材在稳定变形阶段所能达到的最大变形程度。
Blank design is one of the important problems in the forming processes of three-dimensional sheet metal.
坯料计算是板材三维曲面零件成形工艺设计的重要问题之一。
The sheet metal forming processes under in-plane deformation were simulated by using finite element method based on a coupled elastoplasticity with damage constitutive laws.
基于金属板材塑性变形的损伤本构关系，运用有限元数值法分析了金属薄板的面内成形过程。
Based on the nonlinear, elastic-plastic finite element method theory, the modeling approach of the numerical simulation of incremental sheet metal forming was studied firstly in this project.
本课题基于非线性、弹塑性有限元理论方法，对金属板料渐进成形的数值模拟的建模方法进行研究。
Main topics investigated formerly in sheet metal press forming technology are breakage and crease.
在板材冲压成型技术中，以前的主要研究课题是破裂和起皱问题。
The knowledge modeling method and its effectiveness were exemplified in manufacturing knowledge of aircraft sheet metal forming process domain.
通过在飞机钣金工艺领域制造知识建模中的应用说明了该方法的有效性。
In automobile and metallurgical industry, sheet metal forming numerical simulation has been widely used in material selection and die design.
在汽车和冶金工业中，板成形数值模拟广泛地应用于零件的选材和模具的设计。
In this paper, two numerical simulation methods of sheet metal forming, incremental approach and inverse approach are discussed.
探讨了板料成形中两种数值模拟方法：增量方法和反向方法。
In this paper, the research on numerical simulation of punch-forming parameters for automobile frame parts of sheet metal is done by using the non-linear FEM software SHEET-FORMING.
本文以非线性有限元软件包SHEET- FORMING对某汽车落地骨架零件的冲压工艺参数进行数值模拟研究。
Development Process of network textbook on "Sheet Metal forming" is described, and problems of design processing in structure, content, aiming and feedback are analysed in this paper.
介绍了“冲压工艺学”网络教材的开发过程，对其结构、内容、导航、反馈等做了分析。
It is pointed out that sheet metal forming CAE plays a positive role in industry design and production.
指出板料成形CAE在工业设计、生产中的积极作用及广泛的应用前景。
Sheet metal forming is a very important plastic working technology, which has been widely used in industrial domains, and is also one of the advanced manufacturing technologies.
板料冲压成形是一种十分重要的金属板料塑性加工技术，在工业领域有着极为广泛的应用，已成为先进制造代表技术之一。
We have rich experience in plastic moulding, foundry moulding, sheet metal forming and surface handling. We have many suppliers resource and assure the design effect can have a perfect achievement.
公司在塑胶成型、铸造成型、钣金加工、特殊表面处理等方面积累了相当丰富的经验，拥有众多加工商资源，确保设计效果得以完美实现。
We have rich experience in plastic moulding, foundry moulding, sheet metal forming and surface handling. We have many suppliers resource and assure the design effect can have a perfect achievement.
公司在塑胶成型、铸造成型、钣金加工、特殊表面处理等方面积累了相当丰富的经验，拥有众多加工商资源，确保设计效果得以完美实现。
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