弯曲

The relationship of spring back angle with bending clearance and die shoulder radius in the U-shaped bending of Aluminum alloy sheet was investigated.

主要研究了铝合金板材 U形弯曲回弹角与弯曲间隙、凹模入口圆弧半径之间的关系，分析了不同厚度的板材弯曲回弹角的差异。

The main jobs and results show that:With the mechanical knowledge and technical condition,affords the mathematical modules about the roller diameter value range,the roller wheelbase value range and the axis neck diameter value range of coil box,and gives the method of experiential values .

本文从事的主要工作如下：利用力学知识和工艺条件，提出了确定热卷箱弯曲辊辊身直径、弯曲辊辊距、弯曲辊辊颈直径取值范围的数学模型，并给出了经验取值的方法。

The roll gap of bending roll and its starting-up speed mathematical models were obtained by analyzing the deformation theory of strip bending during coiling in heat coil box.

通过分析热卷箱卷取过程中带钢弯曲成形的变形原理，推导出了弯曲辊辊缝的数学模型和辊缝抬起速度模型，并针对实际卷取过程中第1圈&不圆&现象进行了理论分析，提出了增加上弯曲辊速度超前率的解决措施。

The legs bend frontwards, in the direction of actual progression, and frontwards also lies that part of the foot which is the most effective of motion, and the flexure of that part; but the heel lies at the back, and the anklebones lie laterally, earwise.

腿朝前弯曲，在实际动作的方向，而且足的对运动最有影响的部位也是朝前弯曲，那一部分也是弯曲的，但是脚跟位于后面。但是脚踝位于侧面。

Two types of electrode are selected to test the voltage resistance of alumina ceramics in vacuum; the results show that the hold-off voltage of alumina ceramics is increased by 45% when the curving electrode is applied than that the plate electrode is used.

结果表明，弯曲电极结构能有效减弱氧化铝陶瓷三结合处的电场强度，并且随着金属电极弯曲长度的增加而明显减小；相对于平板电极，弯曲电极的平均最高耐压提高了45%。

It was pointed out that the calculation formula for stress of laminated beam without pin joint in interlayer under bending experiment from relevant literature is wrong, and the calculation formulas for bending stress of laminated beam with or without pin joint in interlayer were rederived.

指出了有关文献推导出的上下梁层间无销钉连接叠层梁弯曲应力计算公式是错误的，重新推导出了上下梁层间无销钉连接与有销钉连接的叠层梁弯曲应力计算公式，对学生正确理解和认识叠层梁弯曲实验有理论指导意义。

Modeling of macrobend loss of standard multicladded monomode fibers is presented,which can be used for the calculations of the macrobend losses of both multicladded and monocladded monomode fibers.

文章给出了多包层标准单模光纤的宏弯曲损耗模型，这一损耗模型不仅适用于多包层单模光纤的宏弯曲损耗的计算，也适用于单包层单模光纤的宏弯曲损耗的计算。

It is analyzed the influence of electrical locomotive carbody canopy on the frequency of the carbody vertical bending vibration,the side wall transverse bending vibration and the carbody torsion vibration around the longitudinal axis.

分析了电力机车车体顶盖对车体垂向弯曲振动频率、侧墙横向弯曲振动频率、车体绕纵向轴扭转振动频率的影响，指出车体顶盖对车体垂向弯曲振动频率的影响是很小的，并且通过实例验证了这一点。

This subject takes the thick metal sheet as the research object, adopting combination of physics analysis and mathematics calculation, combination of the theories study with computer simulating and concretely experiment, at the basic of analyze the stress strain of sheet"s thickness direction, consider the influence of sheet"s thickness variety and the stress straining neutral layers variety to the craft parameter, in the basic of using for reference of the sheet, figure out the craft process and craft parameter of the sheet.

本课题以金属厚板为研究对象，采用物理分析和数学计算相结合、理论研究与计算机模拟和具体实验相结合的方式，在分析板厚方向应力应变状况的基础上，考虑板厚变化和应力应变中性层变化对弯曲工艺参数的影响，在借鉴薄板弯曲的基础上总结出厚板弯曲的一般计算方法。

Based on the analysis, made qualitative calculation of the various curvatures of the straightening process applying elastoplastic bending theory. The method of determining curvature of the inverted bending curvature of the axis of being straightened pipe is put forward with which straightening quality is guaranteed in the first place and solved the key problem that have not been solved for a long time. All of these provided theorial basis for the design of bending pipe straightening roller. and setting down of adjusting rule.

在此基础上，运用弹塑性弯曲矫正理论对管材矫正过程中的多次弹塑性弯曲矫正的各曲率进行了定量计算，在保证矫正质量的基础上，对管轴反弯曲线曲率的确定进行了研究，解决了弯管辊形设计中久未解决的最为关键的问题，为弯管辊形矫正辊的合理设计和矫正规程的制定提供了理论基础。

It goes back to what I told you...

现在回到我告诉过你的。。。

With a supporter in Mr Charest and an admirer in Mr Dumont, Mr Harper may be encouraged to call an election himself.

由于在沙雷那边有个支持者，杜蒙那边有个崇拜者，鼓励哈珀为自己举行一次选举。