发现在载荷幅值相同、加载时间不同时，无论是自由成型还是有模成型，都存在着几种不同的变形模式。
It found that with the same load amplitude and different loading times, several different deformation modes exist no matter for free forming or for modeled forming.
本文提出预变形模具设计方法，它把模孔形状预先设计成与型材挤压时变形相反的方向，从而获得合格的挤压型材。
In this paper the predeformed designing method has been proposed, according to it, die holes should be predeformed with the direction opposite to that which tend to happen during extrusion practices.
通过实验及ANSYS/LS_DYNA程序的有限元模拟，对平板件的电磁自由成型及有模成型的变形模式进行了研究。
Through experiments and FEM of ANSYS/LS_DYNA program, the deforming mode for free electromagnetic forming and modeled forming of sheet metals are analyzed.
在一栋扭曲变形的建筑外面，店主模地干一的脸上露出了笑容， 腋下正夹着一台电脑，他高兴地喊道，"我工作用的电脑！
Out of one deformed structure, a shopkeeper, Kanichi Mogi, emerges with a smile on his face and a computer under his arm.
他有了一个新女朋友，卡莉(女模罗西亨廷顿)，但是因为他与这些变形机器人的关系而不得不使她也面临危险而感到内疚。
He has a new girlfriend, Carly (model Rosie Huntington-Whiteley), but feels guilty about the danger she faces due to his relationship with those shape-shifting robots.
自动送模装置乃一精心设置的输送系统，它向前纵列输送砂型而不对砂型和队列造成任何损坏变形。
Automatic mold convey device is a well-connected convey system. It push the mold forward tandem instead without any hurt or distortion to the molds nor the molds queue.
为减少修边模的开发周期和成本，提出一种基于板料网格变形的修边线确定方法。
To reduce the cost and lead time of developing a trimming die, a method to obtain the trimming line in flange process is proposed on the basis of blank grid deformation.
冲压是利用冲压模在压力机上对板料或热料施加压力使其产生塑性变形或分离，以获得具有一定形状和尺寸的零件压力加工方法。
Punching is a kind of pressure process method that punching dies are used in press sheet to put pressure on the plastic deformation or separation, for a certain shape and size of components.
介绍了研究注塑制品出模后翘曲变形的几种方法和思路，并且比较、分析了各种方法的特点。
This study introduces several methods to calculate the warped deformation of the injected part after ejection, then compares the feature of each method.
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。
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.
该系统为系统深入地研究管轴压精密成形过程中无模约束自由变形机理和成形规律提供了有效的手段。
It provides an effective approach to further and systematical study of free deformation mechanism and law in tube axial compressive precision forming process.
研究了菲亚特拖拉机后桥大圆锥螺旋齿轮淬火变形规律，分析了原淬火压模存在的问题。
The quenching distortion of rear axle spiral bevel gear used in FLAT tractor is studied in this paper.
当卧式平压平模切机工作时，模切压力会引起两侧墙板和上平台的变形。
As horizontal type plan die-cutter works, die-cutting pressure will cause distortion of bilateral wallboard and.
另一是用钢模比拟法对扁挤压筒预紧装配过程进行模拟，获得了挤压筒内孔型腔变形规律。
On the other hand, simulate the interference fitting process to get the deformation distribution of the mould cavity by steel mould correlation method.
结构：辊模由钢筒芯构成，即便覆盖有互交式青铜和塑料模，也能避免各种弯曲变形。
Structure: by the cylinder roller mode, even is the core of bronze and mutual into plastic mould, also can avoid all sorts of bending deformation.
这种弯管机由钢制机架、下模、上模、夹具、液压系统和内胎等组成，其工作原理是通过确定合理的支点和受力点并施加弯曲力矩，使钢管发生塑性变形，实现钢管的冷弯曲。
By determining rational fulcrum and force bearing point, and applying bending torque to cause the plastic deformation of the steel pipe, it can realize the cool bending of the pipe.
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。
The main deformation areas of the rectangular box in deep drawing were flanges and the circle-corners of female die in the corners.
模具变形分析结果表明，随着焊合室深度增加，模芯变形程度增大，对应力分布来说，存在一个最佳的焊合室深度。
Die stress analysis results show that the deformation of the die core increases with welding chamber height. For the stress distribution, there exists a best welding chamber height.
试验表明，虽然微粒混凝土和原型混凝土的轴心受压变形曲线是大体“相似”，但两者的弹模和强度存在差异。
It is shown that Although the deformation curve under the pressure of axis is well consistent between micro-concrete and normal-concrete, the elastic ratio and strength are different.
介绍了在软弱岩体中静荷载测试中钻孔弹模计法的原理和方法，并将该法运用到现场，得到了软弱岩体的压力变形的两种特殊形式。
The principle of a new static loading test method for weak rock masses, a method of borehole elastic modulus gauge, is described.
本文从纤维缠绕张力、树脂收缩、热应力、芯模等方面探讨了对纤维缠绕复合材料制品收缩变形的影响。
The effect on shrinkage deformation of fibre winding composites were considered by discussing the winding tensile resin thermo-shrinkage stress and the mandrels.
从理论上分析了凸模虚拟速度和板料虚拟密度对薄板变形能的影响。
The effect of punch virtual velocity and sheet virtual density on the sheet strain energy was studied in this paper.
马氏体相变的软模现象为相变形核机制提供启迪。
The soft mode phenomenon gives an implication for the nucleation mechanism.
辊模拉拔变形区内的应力应变分布特征完全不同于固定辊模拉拔，而倾向于轧制过程。
The distribution of stresses and strains in the deformation zone under roller dies drawing is different from that under fixed rolls drawing, but tends towards rolling.
针对板料成形回弹精度问题的数值模拟，从理论上分析了凸模虚拟速度和板料虚拟密度对薄板变形能的影响。
For the simulation accuracy of springback problem in sheet metal forming, the effect of punch virtual velocity and sheet virtual density on the sheet strain energy was studied in this paper.
研究了不同变形量、钢种、硬化程度、模角和拔制速度对空拔管直径缩小量的影响。
The effects of various amounts of deformation, steel grades, degrees of hardenability, die entry angle and drawing speeds on dia. sinking drawing are studied.
研究了不同变形量、钢种、硬化程度、模角和拔制速度对空拔管直径缩小量的影响。
The effects of various amounts of deformation, steel grades, degrees of hardenability, die entry angle and drawing speeds on dia. sinking drawing are studied.
应用推荐