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- The study of load curve of critical wrinkless variable blank holder force in the process of deep drawing cylinder parts 圆筒件拉深成形临界防皱变压边力加载曲线研究
- The Realization of Blank Holder Force Control on Hydraulic Drawing Press 液压拉深机压边力控制的实现
- Numerical Analysis of Blank Holder Force and Frictional Coefficient on Truck Underbody Cross Member Deep Drawing Forming Process 汽车底盘横梁拉伸时压边力与摩擦润滑条件的数值分析
- DETERMINATION OF BLANK HOLDER FORCES OVERCOMING INNERWRINKLING DURING SPHERICAL PART DRAWING 球形零件拉深过程中克服内皱的平面压边力确定
- Abstract: Blank holder structure and blank holder force （BHF） are very important to the part quality in deep drawing. 摘 要: 压边结构及压边力对板料拉深成形质量有着重要影响。
- The result shows that the blank holder force,which is capable of eliminating the outer crimple,is,however,insufficient to abate the... 结果表明,用正常消除外皱的压边力消除内皱作用微小,而增加压边力确实可以消除内皱。
- Research on the variation rule of blanking holder force in deep sheet drawing process 薄板深拉深压边力变化规律研究
- Blank holder force(BHF) is one of the important parameters in deep drawing process of sheet metal,appropriate control of it can eliminate such defects as wrinkling and fracture. 压边力是板料拉延成形过程的重要工艺参数之一,合理控制压边力的大小,可避免成形件起皱或破裂等缺陷。
- Using finite element method (FEM) simulation, the blank holder force(BHF) for fracture is gained on the base of analysis of facture in different BHF and drawing depth. 利用有限元仿真模拟手段,以圆毛坯为智能拉深的研究对象,通过对不同压边力作用下对盒形件拉深进行破裂预测分析。给出了盒形件拉伸破裂的临界压边力规律。
- The system is made of hydraulic press,rectangular box drawing die of divided blank holder,hydraulic part of blank holder and control part. 该系统主要由液压机、压边圈分区的矩形件拉深模具、压边装置的液压部分以及控制部分组成。
- 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。
- 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。
- 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。
- Without these critical blocks, metal flow must be controlled through the use of blank holder pressure alone, which can present a serious problem with parts that are both wrinkled and torn. 没有这些关键的平衡块，通过施加压力在料片上来控制金属材料的流动，而正是这个压力导致零件严重地起皱和撕裂。
- variable blank holder force(VBHF) 变压边力
- variable blank holder force (VBHF) 变压边力
- Variable BHF (Blank Holder Force) 变压边力
- Varied blank holder force ( VBHF) 变压边力
- The upper or exterior curve of an arch. 拱背线拱顶上面或外缘的曲形线
- The curve of Arab tulwar is close to 90 degrees. 阿拉伯弯刀的弧度接近90度。
