The analysis shows that the friction factor between female die and panel has the greatest influence on forming of automotive roof cover; 结果表明,凹模与板料之间的摩擦因数对该汽车顶盖的成型影响最大;
The male die's gap opposite female die's gap move one distance outward. 凸模产生的裂纹相对于凹模产生的裂纹向里移动一个距离。
According to the blanking distortion procedure, the theory that decide the proper gap is to make sure the edge of the male die and female die's gap can be superposition. 由冲裁变形过程的分析可知,决定合理间隙值的理论依据是应保证在塑性剪切变形结束后,由凸模和凹模刃口处所产生的上、下剪切裂纹重合。
The results show that the main reasons of early failure of the female die are the unsteady and the stress concentration, which are caused by the unreasonable die structure and blank form. 结果表明:模具结构及制坯形状设计不合理,造成失稳和引起应力集中是模具早期失效的主要原因;
Model study on necking force for cartridge globular female die and parameter optimization 球形凹模缩口力模型研究与参数优化
It has been introduced that cracking defect of female die cushion of forging machine has been analysed and its preventive heat treatment technology. 介绍了锻压机垫板的热处理工艺改进措施,从而防止了其开裂缺陷,提高了使用寿命。
The female die was designed movable but the male die was fixed. 该模具将凹模设计成活动式,凸模固定。
After mating the females lay their eggs, and both male and female die. 交配产卵后的女性,男性和女性死亡。
Warm precision forging process of half axle gears has been simulated by FEM software DEFORM_3D with the influence of different male& female die on teeth filling analyzed. 运用有限元模拟软件对半轴齿轮的温精锻成形过程进行了数值模拟分析,对比分析了两种凸模及凹模结构形状对齿形成形的影响。
It mainly includes a hydraulic pressure main engine, a stripping power supply, a male die, two female die composite units together with a lining board and a parison push-out mechanism. 主要包括液压主机、脱模电源、阳模、连同衬板在内的两个阴模组合体、型坯顶出机构。
Olivia runs a lathe which cuts semifinished product of metal by inches. Steps were made on the female die surface to make up for the thickness different of the blanks. 奥利维亚开动一台车床,车床一点一点地切削着金属毛坯。凹模表面和型腔加工了台阶以补偿坯料的厚度差值。
The main deformation areas of the rectangular box in deep drawing were flanges and the circle-corners of female die in the corners. 盒形件拉深主要变形区集中在盒形件角部的法兰和凹模圆角部位。
Steps were made on the female die surface to make up for the thickness different of the blanks. 凹模表面和型腔加工了台阶以补偿坯料的厚度差值。
Blanking gap is the difference size between the male die and female die's work part. 冲裁间隙是指冲裁凸模和凹模之间工作部分的尺寸之差。
Analyses on stress field of necking of conical female die and calculation of the necking force 锥形凹模缩口应力场分析与缩口力计算
The influence of the forming conditions on the quality of micro drawn cup is studied by experiment, such as material state, relative thickness and diameter of female die. 研究了材料状态、坯料相对厚度和凹模直径对微圆筒拉深件成形质量的影响规律。
On Forming Limits of Upsetting in Conical Die Optimum design of combined extrusion female die 锥形模镦锻极限的研究组合式挤压凹模的优化设计
Based on the model, a set of die is designed, and the female die is assembled with 23 die sections. 以此为基础设计了一套组合式模具,模具的凹模由23块镶块组合而成。
There are some major influencing factors in the warm extrusion of spur gear, such as the temperature of extrusion and die preheating, the half cone angle of female die, the speed of extrusion, lubricating and friction condition and so on. 影响直齿轮的温挤压成形的主要工艺参数有挤压温度、凹模半锥角、模具预热温度、挤压速度、润滑及摩擦条件等。
Because of the mutual friction between the bend blank and the female die, the bend parts can emerge during shaping of the parts. 弯曲件成形时弯曲毛坯和凹模之间的相对摩擦是表面擦伤原因。
The Design and Manufacturing Process for Special-Shaped Male and Female Die for Blank 异形件冲裁模的凸凹模设计和加工
Cone Angle of Female Die of Two-Piece Can in Thinning Drawing Based on the Minimum Resistance of Deformation 基于最小变形抗力条件下的两片罐变薄拉深凹模锥角
Software System Design for the Processing of Male and Female Die Based on Object Measurements 基于实物测量的凹凸模加工软件系统设计
The mathematical model for stress field of necking of conical female die, and calculation formula of the necking force are set up, by the characteristics analyses of deformation and mathematical analyses of stress field on conical reducing deformation range. 通过对锥形变形区和自由弯曲区的变形特点分析与应力场数学分析,建立了一种锥形凹模缩口应力场的数学模型和缩口力计算公式;
Automatic calculating, drawing dimensioning of working part of male die female die 凸、凹模工作部分尺寸的自动计算及其图形的绘制和标注
Cracking Analysis Prevention for Female Die Cushion of Forging Machine 锻压机垫板开裂分析及解决措施
The experimental results indicate that the PAW butt-welded plate possesses good superplastic bulging capability that the maximum bulge height can exceed the radius of the female die. 结果表明等离子弧焊对接板具有良好的超塑胀形性能,其极限胀形高度可超过凹模半径。
Fit between upsetting blank and female die of cold extrusion 冷挤压镦饼毛坯与凹模的配合
Two parts whose drawing coefficient are 0. 39 passed through testing to production. It proved that taper female die is used up in deep drawing. 拉深系数为0.39的两种零件,从试制到生产,证明了锥形凹模是可以实现深拉深的模具。