拉延筋阻力,drawbead restraining force
1)drawbead restraining force拉延筋阻力
1.In the simulation software DYNAFORM, regarding the computation model of thedrawbead restraining force established in the text "drawbead binding model and experimental study" as an equivalent drawbead, simulating and analyzing the forming of a certain component on the base of the surface dial.在模拟软件Dynaform中,将文献[3]中建立的拉延筋阻力计算模型作为等效拉延筋使用,模拟分析了表盘座某部件的成形。
2)Drawbead force拉延筋力
英文短句/例句
1.Forecasting Researches on Calculating Drawbead Force and Anti-calculating Drawbead Geometrical Parameters Based on Artificial Neural Network;基于人工神经网络的拉延筋力与形状参数预示研究
2.Application of Restraining Force Model of Drawbead in Numerical Simulation拉延筋约束力模型在数值模拟中的应用
3.Research on calculation method of the drawbead restraining force based on simulation基于数值模拟的拉延筋约束阻力计算方法研究
4.stretching equipment for prestressing reinforcement预应力钢筋张拉设备
5.single-action press with drawing cushion单拉延垫的单动压力机
6.geared reducing press齿轮传动拉延压力机
7.Drawbead Layout and Geometry Parameter Optimum Design Based on CAE;基于CAE的拉延筋布置及几何参数优化设计
8.Numerical Simulation Research of Draw Bead Application in the Forming of Automobile Panel;汽车覆盖件成形中拉延筋应用的数值模拟研究
9.Influence of Drawbead Parameter on Quality of Automobile Panel Forming拉延筋参数对汽车覆盖件冲压质量的影响
10.The Mechanical Characteristics of the Reinforcements under Tensile Load加筋土筋材在拉伸荷载作用下的力学特性
11.Stress Analysis of T-shaped Beam during the Procession of Tensioning Tendons;张拉预应力筋阶段的T型梁应力分析
12.I was clapped out after the marathon race马拉松赛跑后我已筋疲力
13.The calculation of beam"s bearing capacity when reinforced by addicting tensile bar加受拉钢筋对梁加固时的承载力计算
14.Investigation of masonry structures strengthened by the diagonal steel bar by means of pseudo-static test斜拉筋加固砌体结构伪静力试验研究
15.Ductility and Energy Dissipation Capacity of Short Columns in Reinforced Concrete Framed Structures钢筋混凝土框架短柱的延性和耗能能力
16.Test on Ductility and Energy-absorbing Capacity of RC Columns with Postinstalled Chemically Longitudinal Rebars植筋混凝土柱延性和耗能能力的试验研究
17.Study on Ductility of Prestressed CFRP Tendons Concrete Beams;预应力CFRP筋混凝土梁延性性能试验研究
18.Ductile design of reinforced concrete beams strengthened with prestressed CFRP plates预应力CFRP板加固钢筋混凝土梁的延性设计方法
相关短句/例句
Drawbead force拉延筋力
3)draw restraining force拉延阻力
4)draw bead restraining force拉延筋抗力
1.Due to complexities ofdraw bead restraining force calculated according to theory, depending on sheet metal forming properties experiment testing system developed, a simply method to calculatedraw bead restraining force is put forward by experiment method in cup shaped drawing process.针对理论计算拉延筋抗力的复杂性 ,借助一套拉深实验测试系统 ,以盒形件拉深过程为研究对象 ,提出了一种通过实验方法简便测试拉延筋抗力的方法 ,即通过测定有、无拉延筋前后的总拉深力可以简便地计算出拉延筋抗力的大小 。
5)drawbead restraining force拉深筋阻力
1.Experimental investigation on semicirculardrawbead restraining force;半圆形拉深筋阻力的试验研究
2.And the characteristics ofdrawbead restraining force components at different geometric parameters are also discussed.通过数值模拟和实验相结合的方法 ,研究了半圆形拉深筋的高度、圆角半径等参数对拉深筋阻力的影响 ,分析了不同尺寸参数下拉深筋阻力的构成特点。
3.The influence of main bead geometrical parameters on binder hold down force(BHDF)anddrawbead restraining force(DBRF)are analyzed.利用开发的拉深筋二维弹塑性有限元数值模拟软件 ,对圆形筋和矩形筋就压筋和成形的连续过程进行了数值模拟 ;分析了拉深筋主要几何参数对压筋力和拉深筋阻力的影响 ,研究了压筋和成形两个阶段板料在拉深筋作用下的变形规律与受力特点。
6)drawbead restrain force拉延筋约束力
1.The Bauschinger effect and the normal anisotropy and strain rate sensitivity to establish the model for solving thedrawbead restrain forces.结合板料冲压计算机模拟的实际情况,改进了李东升[1]等人提出的拉延筋约束力求解模型。
延伸阅读
极限拉延比极限拉延比limit drawing ratio}Jxion layanb}极限拉延比(l皿‘t“raw‘ng rat‘o)_理二咨拉延成形为圆筒形制件的最大圆板料直径与凸模直惶之比，符号为LDR。极限拉延比表示板料拉延成形时极限变形程度的大小，是评定板料成形性能的指标，也是进行板料拉延成形工艺及模具设计的依据。极限拉延比值愈大，板料拉延成形时的极限变形程度愈大，板料拉延成形性能愈好。影响极限拉延比的因素包括材料的力学性能、模具几何参数、摩擦与润滑状况、压边力、成形速度、坯料表面状态和相对厚度(材料实际厚度与坯料直径之比)等。选用优质板料、增大板料相对厚度、进行良好润滑、合理调整压边力或已有的拉延筋等都能增大极限拉延比值。板料的极限拉延比可由史维夫特(H.W.Swift)冲杯试验(见冲杯试验)确定，这一试验方法有国际标准。实用中也采用恩格哈特(Engelhardt)试验法(最大载荷法;见冲杯试脸)，该方法较史维夫特冲杯试验简便，采用比标准实验坯料直径小的单一直径坯料，当坯料被拉延成形至最大载荷后，增加压边力以阻止突缘坯料拉入凹模腔内，增大拉延成形载荷直至发生断裂。极限拉延比由下式确定:LDR一一人二x“““一凸模直径八厂鱼翌璧直迷叫述些且直鱼二塑摸直宣丝.。。.古。] L~5~“厦巍橇巍月~~+凹模直径」圆筒形或与圆筒形相近的拉延成形制件，可直接采用由试验确定的极限拉延比值作为工艺和模具设计的依据;对其他形状的拉延成形制件，则须对极限拉延比值作必要的修正，修正量的大小取决于拉延制件的具体形状和使用要求。 (邓涉)
