To low drawing in flange part, the blank holder can be used as punch, and the effect is good.
对于凸缘部位的浅拉深，采用压边圈兼作浅拉深凸模的作用，取得较好的效果。
Elastic rubber method and rigid blank holders were used to apply blank holder force with different methods.
对压边力的控制采用了弹性橡胶控制法和刚性直接控制法。
Using variable blank holder force can remarkably improve the forming performance, and the limiting drawing ratio would reach 5.0.
采用变压边力可以明显提高板材的冲压性能，极限拉深比将达到5.0。
Pulsating blank holder forces are used in deep-drawing process to increase the draw depth and improve the surface quality of drawn piece.
采用脉动变化的压边力控制拉深工艺，可提高成形极限及拉深件的表面质量。
Model No. 554 is a high speed blank holder metal drawing press for drawing of shells, containers, cylinders, housings etc. Capacity 50-300 tons.
此型号是一种高速的金属深拉压力机，用于外形成型、集装箱成型、气缸成型、外壳成型等。载重能力50-300吨。
The function of the blank holder force (BHF) as well as its influence on the forming performance and forming accuracy of workpieces were analyzed.
分析了压边力的作用及其大小对成形性能和成形质量的影响，提出了适用于这种冲锻组合工艺的压边条件，并进行了工艺试验验证。
The function of the blank holder force (BHF) as well as its influence on the forming performance and forming accuracy of combined stepped-hole were analyzed.
分析了压边力的作用及其大小对这种复合台阶孔成形性能和成形质量的影响。
The simplified theoretical model of normal pressure was derived, and the pressure delivery principle of multi-point blank holder was analyzed with FE simulation.
根据理论计算得到了法向压力分布的简化模型，并结合有限元数值模拟对多点压边圈上的压力传递问题进行了分析。
In a non-rotational symmetry drawing, material of flange on blank holder face is the main body of deformations, and has direct effects on the formability of drawing.
非回转对称拉深成形过程中 ，压料面上法兰材料是变形的主体 ，直接影响到拉深成形性。
Structure design and material choice of important parts such as the die, blank holder, etc. were stated in detail. Also, fine blanking clearance was analysed and selected.
详细阐述了光洁冲裁凹模、压边圈等重要零件的结构设计与选材，并对光洁冲裁间隙进行了分析和选择。
In this paper, we studied how to select the deceleration coefficient and how to simplify the blank holder model in the simulation of the sheet metal metal forming process.
本文研究了板料成形模拟中减速系数选取和压边圈简化模型，编制了相应的有限元数值模拟程序SPID。
The equipment has simple structure, is economical and practical and with variable blank holder force. High-quality complex sheet parts can be produced with this equipment.
该装备具有结构简单、经济实用、可实现变压边力控制等特点，可获得高质量的复杂板料成形件。
The effect of blank holder thickness on stress transfer was studied by means of an elastic solid element finite element model. The simulation results were verified by experiments.
利用弹性实体单元有限元模型研究了压边圈厚度对压边应力传递的影响规律，并与实验结果进行了对比分析。
The latest achievements achieved in the intelligent deep-drawing process are summarized and the intelligent control architecture for blank holder force control is demonstrated in detail.
概述了拉深成形智能化的研究现状，详细叙述了压边力智能控制系统的架构。
Through the limiting drawing ratio tests, the influences of rolling, annealing, blank holder force, drawing gap, drawing temperature and speed on the forming performance were investigated.
通过极限拉伸比试验，研究了轧制、退火、拉伸温度、拉伸速度、拉延间隙以及压边力等工艺因素对镁合金板材成形性能的影响。
The structure, main design parameters and work process of the compound die installed on single action press and working for blanking and drawing with constant blank holder pressure were presented.
介绍了用于单动压力机的新型恒压边力落料拉伸复合模的结构及主要设计参数和模具工作过程。
The result indicates that proper blank holder force and liquid pressure will help to reduce the occurrence of drawing defects and the application of hydroforming can get more uniform wall thickness.
研究结果表明，合适的压边力和液体压力能控制盒形件拉深缺陷的发生，采用液压拉深盒形件可获得更好的壁厚分布。
The optimum forming temperature range was determined, and the effects of blank holder forces on the workpiece quality were analyzed through the warm deep drawing experiments of magnesium alloy sheets.
通过镁合金板材温热拉深试验确定适合板材成形的温度范围，分析了压边力对坯料成形质量的影响，选择适合成形的工艺条件来有效避免工艺缺陷的产生。
This paper briefly introduces a new dual blank-holder.
介绍了一种新型的双层组合压边圈。
The optimum blank-holder gap and separation force are determined through a systematic study.
通过一个系统的研究方案来确定一个优化的压边力和压边间隙。
The results for forming process of cylindrical parts show that it can carry out blank holding for different radial deformation zones by radial segmental blank-holder technique.
研究结果表明，与传统压边方法相比，采用径向分块压边方法可以对径向不同变形质点分别压边，有效提高拉深成形极限，并获得更好的压边效果。
The numerical simulation result indicates that the variable blank-holder force can improve the formability of box deep drawing.
模拟结果表明，变压边力控制技术可以显著地改善矩形件的成形性能，增加矩形件的拉深极限。
This narrow range of blank-holder force is difficult to determine.
合适的压边力范围是很难决定的。
Firstly, the stamping model of the part is built, and the design is focused on drawing direction, shape of addendum and blank-holder surface, initial shape of blank, and so on.
首先建立零件的拉延模型，从冲压方向、工艺补充面、压料面、坯料初始形状等方面进行设计分析。
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。
Different blank-holder gaps and separation forces are used to control the blank holding force (BHF).
压边力采用不同的压边间隙和施加不同的分离力来实现。
The predominant failure modes in stamping of sheet metal parts are wrinkling and fracture. In general, these defects may be eliminated by appropriately manipulating the Blank-Holder Forces.
起皱和断裂是板料成形过程的主要失效模式，合理控制成形过程中的压边力，可以消除这些缺陷，提高成形性能。
The predominant failure modes in stamping of sheet metal parts are wrinkling and fracture. In general, these defects may be eliminated by appropriately manipulating the Blank-Holder Forces.
起皱和断裂是板料成形过程的主要失效模式，合理控制成形过程中的压边力，可以消除这些缺陷，提高成形性能。
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