punch forming
英 [pʌntʃ ˈfɔːmɪŋ]
美 [pʌntʃ ˈfɔːrmɪŋ]
网络 冲压成型; 冲压成形
双语例句
- Punch design ′ s springback prediction and geometrical parameter inverse of air-bending forming of sheet metal
金属板折弯成形回弹预测及凸模几何参数反求 - The Analysis and Defense Measure of Thin Punch Destruction The Effect of Virtual Punch Velocity to the Simulation Result of Sheet Metal Forming
冲小孔凸模破坏形式分析及预防措施虚拟凸模速度对冲压仿真结果的影响 - Application of punch forming emulation system to the manufacture of railway cars
冲压成形数值仿真系统在铁路车辆制造中的应用 - The one-way punch forming process used for brass valve body was introduced, some instructive suggestions for improving the process were put forward.
针对黄铜阀体单向冲压成形生产中存在的问题，提出了改进措施。 - Analyzing the Common Defects in Punch Forming of Automotive Cover Panels
汽车覆盖件冲压成型过程中的常见缺陷及分析 - Punch holes and cut-off type: Uses the hydraulic drive, punch holes, first roll forming and then cutting.
冲孔及切断方式：采用液压驱动，平板冲孔，成型后切断。 - The development and application of computer simulation technology for punch forming of railway car body
铁道车辆车身冲压成形计算机仿真技术的发展与应用 - The reason of rising of the punch force is that work-piece is unevenly distributed in the tools space at final stage of forming leading to increasing of stress rate;
提出了产生过大冲头力的一个原因是最终成形阶段工件在模腔内分布不均使变形速率急剧增加； - Wearing and fracture on the punch often apoccur during the forming cylinder of in which a warm backward extrusion process is employed.
采用温挤压成形工艺生产减速顶滑动油缸体时，冲头经常会出现磨损和断裂失效。 - Compression of square block with hemispheric punch and forming of crankshaft are simulated by this system, which indicates that the given methods and software are feasible.
并以球冲头压缩方坯和曲轴成形为例进行了模拟，计算结果表明所提出的算法和软件系统是可行的。 - How to predict the shape of products after forming, and design the required die/ punch surface to compensate springback is a difficult problem in the metal sheet forming industry.
如何准确的预测回弹后零件的形状、设计出准确的型面以补偿回弹，在目前还是模具工业中的实际难题。 - Elastic-plastic Analysis of Stainless Steel Spherical Shell Punch Press Forming CAM System
不锈钢球壳冲压成形CAM系统的弹塑性分析 - A new algorithm based on VC and UG and designed for automatic distinguishing of punch direction was proposed. The computing results were compared with similar matured cases in the database of cover sheets forming technology to ensure the rationality of direction decision.
以VC和UG为开发平台，提出了一种新的冲压方向自动判别算法，运用该算法的计算结果与覆盖件成形工艺库中的成熟相似事例进行比较，从而保证冲压方向判定结果的合理性。 - Increasing punch shape parameter r_c/ w results in the decrease of the velocity of material of flange short side and corner flowing into die edge, thus enhancing the forming machining degree of corner. It's one of the reasons that the forming limit is decreased.
增大凸模形状参数rc/w，成形中法兰短边和曲边材料向凹模口的流入速度减小，曲边变形加工度增大，是使成形极限降低的原因之一。 - Study on Influences of Punch Structure in Hot Extrusion of Transmission Shaft Forgings on Finishing Forming
套管叉热挤压成形凸模结构对锻件终成形的影响研究 - Integrated springback simulation can be divided into two steps, that is punch loading forming process simulation and punch unloading springback process simulation.
完整的回弹数值模拟分为2步，即冲头加载成形过程模拟和冲头卸载回弹过程模拟。 - Compared with simulation results with metal punch forming, the necking and wall thickness reduction on smaller radius surface can be avoided or decreased with VPF.
与钢凸模成形相比较，可以避免局部较小半径曲面之间的严重颈缩； - Then, the concept of end-face shape function of male punch is presented, and the impact of end-face shape function on the gear filling property and the material non-uniformity of forming were analyzed.
提出了凸模端面形状函数概念，并具体分析了端面形状函数对齿形充填性和材料变形不均匀性的影响； - The relation between the displacement of closing up to punch and strain for each metal particle in deformation region had shown by following the deformation trace of particle. Thereby, the forming mechanism of conical part had definitely provided.
在跟踪金属质点位移轨迹的基础上，揭示了毛坯变形区各质点贴模位移与应变间的关系，从而明确提出了圆锥形件的成形机理。 - Punch friction test in sheet metal forming
板成型时摩擦的试验测定 - Study on Virtual Punch Velocity in Simulation of Sheet Metal Forming by Explicit Method
薄板成形仿真动力显式算法的虚拟凸模速度分析 - Compared with multi stage rigid punch forming, aluminum alloy ladder sheet part can be formed in one stage with VPF;
对于采用多道次刚模拉深成形的铝合金阶梯形板件，可以一次拉深成形； - Firstly, simulated the punch forming of the billet with the FEM simulation method, analyzed the metal flow in the deformation process;
首先，采用有限元模拟方法对钢坯的冲压成型过程进行模拟，分析了变形过程中金属的流动变形情况； - The results investigated show that punch velocity and deformation temperature have significant effect on the workpiece forming.
研究结果表明，上模速度和变形温度对零件成形影响显著。 - After checking the surface meshes closeness and designing the binder surface and addendum surface, the punch-die shapes are obtained. Setting the rational boundary conditions and adopting FEM theory perform the forming process simulation program of the front fender.
通过对翼子板进行曲面网格封闭性检查，压料面及工艺补充面设计，建立翼子板模拟的凸凹模形状，设定合理的边界条件，对前翼子板成形过程进行了模拟。 - Taken the hot-forming punch of a glass part as an example, the main defects of hot-forming punch is explained, including punch crack and punch wound.
以玻璃制件的热成形凸模为例，说明热成形凸模的主要缺陷：凸模裂纹和凸模伤。 - Incremental in-plane bending is a kind of free forging process by tilted punch compressing the metal plate to achieve partial forming. The interaction of process parameters has a great influence on the bending radius.
断续加载面内弯曲是通过倾斜冲头对金属板带进行断续局部压缩来实现成形的一种自由锻过程，工艺参数的交互作用对弯曲半径的影响很大。 - It is found that, the effects of forming speed on springback are small, and springback could be reduced greatly by increasing the punch displacement or multiple-hits bending times, especially the effects of forming loading on the springback could make it effectively.
实验结果表明，成形速度对回弹的影响较小，而成形载荷、凸模的行程和弯曲成形次数对回弹有较大影响，尤其是通过成形载荷的变化能有效地控制回弹。 - This new process using the effect of the heat-resistant solid granules medium to replace rigid punch ( for example: elastic body or liquid) to forming the magnesium alloys sheets.
本新工艺采用耐热固体颗粒代替刚性凸模（或弹性体、液体）的作用对镁合金板料进行热拉深成形。 - Through a large number of computer simulation calculations, the blank holder force, the initial velocity of punch drawn bead and the settings influencing the forming quality of several major factors are determined.
通过大量的计算机模拟计算，确定了压边力、凸模初始速度和拉深筋的设置等为影响成形质量的几个主要因素。