The bullet can punch a hole through a steel plate. 这种子弹能穿透钢板。
Punch and Die blanking punch were different plate fixed to facilitate adjustment gap; 模具的冲孔和落料凸模分别用不同的固定板固定,便于调整间隙;
Analysis and Elimination of Raised Grain Defect during Fabrication of Numerical Control Small Punch Mesh Plate 数控小孔冲床网眼平板加工中的波浪纹缺陷成因分析及排除
The mechanical analysis and structural design of big punch sketch plate roof 大开洞异形板屋盖的力学分析与结构设计
When numerical control punch press processing plate has the pad dregs reason brief analysis 数控冲床加工板材时产生垫渣的原因浅析
Harmonizing Two Movement of Punch and Apparatus for Carrying Steel Plate by One Transducer 用一个传感器协调冲压机与数控送料装置的运动
According to Kirchhoff's theory of elastic-plastic finite deformation of thin shell and the theory of J2 plastic flow, a mathematical model is proposed for large deformation elastic-plastic Lagrangian finite element analysis of rigid punch made of thin metal plate. 本文依据Kirchhoff薄壳理论与J2塑性流动理论,提出了分析轴对称刚性冲头胀形成形的大变形弹塑性拉格朗日有限元分析的数学模型。
According to interactive states of the forming sheet with the foundation and the punch, the sheet may be devided into three parts, and corresponding equlibrium equations analytical solutions are derived by large deflection plate theory and contact mechanics. 根据薄板与弹性体和椭圆冲头的接触情况,薄板可分成三部分。应用薄板的大挠度和接触力学理论,分别推出了各部分相应控制方程的解析解;
Variation of striper force and clearance between punch and die plate with respect to shear plane and die stress were analyzed. 分析了不同压边力和凸凹模间隙对精冲断面质量和模具应力的影响关系。
Research on failure mechanism and working reliability of punch machine ′ s shear plate type overload protector 冲床压塌块的失效机理及其工作可靠性的研究
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。