• To low drawing in flange part, the blank holder can be used as punch, and the effect is good.

    对于部位的浅采用作浅模的作用,取得好的效果

    www.chemyq.com

  • The composition of rectangular box deep drawing system of divided variable blank holder force (VBHF) was discussed, its principle and work process of each portion were analyzed.

    介绍了分区矩形成形系统组成以及部分原理结构分析了各部分工作过程

    www.chemyq.com

  • 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.

    通过极限拉伸试验研究轧制退火拉伸温度拉伸速度间隙以及等工艺因素对镁合金板材成形性能影响

    tech.zidian8.com

  • The function of the blank holder force (BHF) as well as its influence on the forming performance and forming accuracy of workpieces were analyzed.

    分析作用及其大小成形性能成形质量影响,提出了适用这种冲组合工艺条件,并进行了工艺试验验证。

    www.xjishu.com

  • Model No. 554 is a high speed blank holder metal drawing press for drawing of shells, containers, cylinders, housings etc. Capacity 50-300 tons.

    此型号一种高速金属深拉压力机用于外形成型、集装箱成型、气缸成型外壳成型载重能力50-300

    www.e-gtm.com.cn

  • 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.

    详细阐述了光洁凹模边圈重要零件结构设计选材对光洁间隙进行了分析选择

    www.chemyq.com

  • 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边圈厚度应力传递影响规律,并实验结果进行了对比分析。

    dict.cnki.net

  • 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.

    本文研究板料成形模拟减速系数选取简化模型,编制了相应有限元数值模拟程序SPID

    www.chemyq.com

  • The simplified theoretical model of normal pressure was derived, and the pressure delivery principle of multi-point blank holder was analyzed with FE simulation.

    根据理论计算得到法向压力分布简化模型结合有限元数值模拟多点圈上压力传递问题进行了分析

    www.dictall.com

  • 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.

    分析了作用及其大小这种复合台阶成形性能成形质量影响

    www.dictall.com

  • Pulsating blank holder forces are used in deep-drawing process to increase the draw depth and improve the surface quality of drawn piece.

    采用脉动变化控制工艺,可提高成形极限表面质量

    www.chemyq.com

  • Using variable blank holder force can remarkably improve the forming performance, and the limiting drawing ratio would reach 5.0.

    采用可以明显提高板材冲压性能极限拉深达到5.0。

    dict.cnki.net

  • 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液体压力控制盒缺陷发生,采用液压形件获得更好厚分布

    www.chemyq.com

  • Elastic rubber method and rigid blank holders were used to apply blank holder force with different methods.

    的控制采用弹性橡胶控制法刚性直接控制法

    www.chemyq.com

  • 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试验确定适合板材成形温度范围分析了坯料成形质量影响,选择适合成形工艺条件来有效避免工艺缺陷产生。

    www.dictall.com

  • Secondly, compared the effects of different parameters of flange bending hydraulic rubber forming model on hydraulic rubber forming, and draw some conclusions of designing the side blank holder.

    其次比较弯边高压橡皮成形不同参数选取成形影响总结出压块一些设计规律。

    dict.cnki.net

  • The optimization of drawing technique was researched, and the influence of different blank holder force and minimum die fillet radius on stamping forming was studied as well.

    零件成形工艺进行优化研究不同最小模具圆角半径冲压成形影响,通过对模拟结果分析得出空调前板的最优化成形方案。

    www.dictall.com

  • 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.

    介绍用于压力机新型拉伸复合结构主要设计参数模具工作过程

    www.dictall.com

  • 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.

    概述了拉成形智能化研究现状,详细叙述了智能控制系统的架构

    www.chemyq.com

  • The design of drawing die with assembled-fixed blank holder device was introduced.

    探讨了其工作零件设计安装,同时也讨论其特殊装置设计方法

    www.dictall.com

  • 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.

    装备具有结构简单经济实用、可实现控制等特点,获得高质量复杂板料成形

    www.chemyq.com

  • 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.

    回转对称成形过程中 ,压面上法兰材料变形主体直接影响成形

    www.dictall.com

  • Different blank-holder gaps and separation forces are used to control the blank holding force (BHF).

    采用不同间隙施加不同分离来实现。

    www.chemyq.com

  • 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.

    起皱断裂板料成形过程主要失效模式合理控制成形过程中的可以消除这些缺陷提高成形性能。

    www.chemyq.com

  • 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,与传统方法相比,采用径向分块方法可以径向不同变形质点分别,有效提高拉深成形极限,并获得更好效果

    www.cmemo.org.cn

  • Hence, the blank-holder force must lie within a narrow range, above that necessary to suppress wrinkles on the one hand, and below that which produces fracture on the other.

    因此必须控制一定范围一方面抑制起皱一方面防止破裂

    dx.mouldbbs.com

  • This paper briefly introduces a new dual blank-holder.

    介绍一种新型双层组合压边圈

    www.chemyq.com

  • The optimum blank-holder gap and separation force are determined through a systematic study.

    通过系统研究方案来确定优化间隙

    epub.cnki.net

  • 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,增加矩形件的极限

    dict.cnki.net

  • 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,增加矩形件的极限

    dict.cnki.net

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