1) blank holder force
压边力
1.
A new strategy for the optimization of variable blank holder force in sheet metal forming;
板料成形中的新型可控压边力技术研究
2.
Rectangular box drawing die design of controlled blank holder force;
可控变压边力的盒形件拉深模具设计
3.
Research on the critical analysis of blank holder force for drawing with draw bar of curved surface part;
带筋拉深曲面零件压边力的临界计算
2) blank holding force
压边力
1.
Design and sensitivity analysis of blank holding force for high strength steel sheet;
高强度钢板压边力设计及敏感性分析
2.
Numerical simulation for forming quality of drawing part under waving blank holding force;
数值模拟波动压边力对拉深件成形质量的影响
3.
Effect of blank holding force on forming quality was analyzed through simulation.
在此基础上,利用数值模拟技术手段,分析不同压边力条件下零件成形质量。
3) BHF
压边力
1.
Numerical Simulation Analysis of BHF Drawing Forming about Sheet Metal Parts;
基于板料冲压的压边力拉深成形数值模拟分析
2.
The law of BHF during intelligent control of conical workpiece deep drawing;
锥形件拉深智能化控制中压边力的控制规律
4) blankholder force
压边力
1.
On the basis of mechanics analysis about drawing with edge bead,both no blankholder force(BHF) and increased BHF,the stress distribution and stress are provided,and then the influence on tendency that prevent inner wrinkles by increasing BHF is discussed.
通过对增大压边力的带槛拉深与压边力等于上浮力的带槛拉深进行理论分析,给出各自的应力分布规律,求解了二者间的应力差值,分析了增大压边力对克服内皱效果的影响趋势,从而为实际应用提供了理论依据。
2.
,which can be improved and solved by loading blankholder force(BHF) properly.
拼焊板技术是板料成形的先进制造技术,具有减少生产成本、降低车重、降低油耗、提高整体性能等优势,已经广泛应用于汽车行业中,但拼焊板成形时存在的破裂、起皱及焊缝移动等问题也相当严重,合理施加压边力可以改善和解决拼焊板成形中的这些问题。
3.
Based on a two-dimensional broken-line model of an annular flange and the energy method,the law of minimum wrinkless blankholder force in deep-drawing is discovered,considering the variations in material constants , and thickness.
对于轴对称零件的突缘变形区，运用能量法和二维折线式变位函数，计及材料常数ｎ，ｒ值和板厚变化，揭示了拉深中最小无皱压边力的变化规律。
5) blank-holding force
压边力
1.
In order to meet the requirement of design for dimension and position precision,and to draw parts with small drawing coefficient on general stamping machine,a die with floating drawing punch and floating piercing matrix,and with easy-adjustable blank-holding force was introduced.
为了保证零件的尺寸精度和位置精度要求 ,使拉伸系数较小的拉伸件能在普通的冲床上进行拉伸成形 ,介绍了1副具有浮动拉伸凸模、浮动冲孔凹模 ,方便调节压边力的模具 ,为类似零件的成形提供了一条行之有效的途
2.
The drawing mechanism of the no-wrinkle aluminum-foil and the control of the adjustment of the blank-holding force were analysed, the characteristics of the structure of the die for the no-wrinkle aluminum-foil mess tins were introduced.
分析了无皱铝箔拉伸成形机理及压边力的调整控制 ,介绍了无皱铝箔餐盒模具的结构特点 ,实现了铝箔餐盒的无皱拉伸 ,并可在普通开式冲床上连续生产。
3.
The forming sheet is clamped by the upper and lower punches through the forming process, which provides the forming force and blank-holding force simultaneity.
本文将冲压中应用压边力能够提高成形质量的原理引入多点成形中,提出了两种力-位移分控多点成形方式,成形过程中基本体始终夹持板料,基本体的作用力提供了板料的成形力与压边力。
6) variable blank holding force
变压边力
1.
Application of radial basis function network in variable blank holding force identification;
径向基函数网络在变压边力反演中的应用
2.
A new device of variable blank holding force;
一种新型的变压边力装置
3.
The study on the prediction technology of variable blank holding force in the formin.
分析了RBF神经网络的预测策略和方法,并建立了板料拉深成形的变压边力预测神经网络模型。
补充资料：各种材料拉深时的单位压边力数据
在单动压力机上拉深时的单位压边力
材 料 | q/MPa |
铝 | 0.8～1.2 |
紫铜,杜拉铝(退火的或刚淬火的) | 1.2～1.8 |
黄铜 | 1.5～2.0 |
压轧青铜 | 2.0～2.5 |
20钢、08钢、镀锡钢板 | 2.5～3.0 |
软化耐热钢 | 2.8～3.5 |
高合金钢,高锰钢,不锈钢 | 3.0～4.5 |
在双动压力机上拉深时的单位压边力
工件复杂程度 | q/MPa |
难加工件 | 3.7 |
普通加工件 | 3.0 |
易加工件 | 2.5 |
材 料 | 单位压边力q/MPa |
铝(退火状态) | 0.8～1.2 |
铝(硬态) | 1.2～1.4 |
黄铜(退火状态) | 1.5～2.0 |
黄铜(硬态) | 2.4～2.6 |
铜(退火状态) | 1.2～1.8 |
铜(硬态) | 1.8～2.2 |
康铜BMn40-1.5(硬态) | 2.6～2.9 |
可伐合金4J29(退火状态) | 3.0～3.3 |
钼(退火状态) | 4.0～4.5 |
软钢t＜0.5mm | 2.5～3.0 |
软钢t＞0.5mm | 2.0～2.5 |
不锈钢1Cr18Ni9Ti | 4.5～5.5 |
镍铬合金Cr20Ni80 | 3.5～4.0 |
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条