Principle, characteristics and application of technique up -to -date of pipe bending such as zero radius bending, MF induction bending, heat stress bending and Laser forming have been expounded.
论述了零半径弯曲、中频感应弯曲、热应力弯曲及激光弯曲成形等管材弯曲加工最新技术的原理、特点和工程应用。
Avoid high stress concentrations at the ends of the work roll barrel. Ensure good control of roll bending.
避免在工作辊辊端部位应力过于集中。确保弯辊得到很好的控制。
Experiments of contact fatigue under the action of combined stresses-Hertsian stress and rotating bending stress were carried out.
作者就赫兹应力和旋转弯曲应力联合作用下的接触疲劳进行实验研究。
The effects of the connectors on the critical buckling load and the bending stress of pipes in horizontal section are analyzed.
分析了钻杆接头对水平井段钻柱屈曲临界力和弯曲应力的影响，提出了计算钻柱正弦屈曲临界力的新方法。
Do research on the stress and deformation state in the condition of bending, braking, turning and reversing, and then make a program that improves the structure of the frame.
分析在弯曲工况、制动工况、转弯工况和扭转工况下的应力与变形状态，对应力集中位置结构提出改进方案。
This is useful in evaluating the primary membrane stress and the secondary bending stress in vessels.
这有助于计算容器的一次薄膜应力和二次弯曲应力。
The simulative results show that stress distribution under stretching with superimposed bending is more advantageous to the reduction of spring back.
计算结果表明，先弯曲再拉伸时应力分布规律更利于减小回弹。
Bending fatigue limit stress is still short of reliable data for gear of domestic material in gear design mostly used are the data offered from ISO6336.
在齿轮设计中，国产材料齿轮的弯曲疲劳极限应力仍然缺乏可靠的试验数据，大多是沿用ISO 6336提供的数据。
These formulae give us the stress and strain in a prismatic beam when it is subjected to pure bending .
当棱柱形梁受纯弯曲时，这些公式给出了它的主力和主变。
For the brittle ceramic materials, flexural strengths are determined by the stress at fracture in transverse bending tests.
对脆性陶瓷材料来说，抗弯强度即为横向弯曲试验中样品断裂时的应力。
Through heating, raising moisture content and improving the surface condition of bamboo, plasticity of bamboo can be increased, bending stress can be reduced to opposite direction.
竹材通过加热、提高含水率和改善竹材的表面状态等三种途径来增加其塑性、减小展平时的反向弯曲应力。
This paper delivered the relationships of uniaxial tensile and compressive stress with strain and bending properties, and felt-bending strength of cement mortar with polyvinyl acetate (PVAC).
研究掺聚醋酸乙烯水泥砂浆的轴拉和轴压应力—应变关系、抗弯性能以及长期粘结抗弯强度。
The stress shielding rate, bending strength of different directions and torsion strength of the three different fixation methods were measured and compared.
然后对三种固定方法对固定骨段的应力遮挡率、不同加载方向的弯曲强度和扭转强度进行测试。
The computation expression for the strain neutral layer of stress and plastic bending was introduced and so the thinning coefficient computing formula of sheet metal was deduced.
给出了板料弯曲的应力应变中性层和纯弯曲应变中性层的计算公式，并推出板料弯曲时的变薄系数计算公式。
Having analyzed the dedenda's bending stress of involute gears with asymmetric teeth, and the formula of contract strength, mathematic model of the system is built.
通过对非对称渐开线圆柱直齿轮齿根弯曲应力的分析，结合接触强度的计算公式，建立了系统的数学模型。
This article discusses the effects of friction coefficient fon the engagement efficiency of involute cylindrical gears and the bending stress of the dedendum.
本文讨论了摩擦系数对渐开线圆柱齿轮传动啮合效率和齿根弯曲应力的影响。
Fatigue cracking of a roller is the main failure form due to the alternate bending stress in operation.
滚圈是回转窑最重要的支承部件，运转中弯曲应力造成的疲劳开裂是其主要失效形式。
Thus the bending stress is very easily computed.
因此，极容易计算出其弯曲应力。
It can provide the strip with longitudinal tensile stress and transverse bending stress.
它可使被矫带材产生纵向拉伸应力和横向弯曲应力。
The growth and disappearance of induced martensite plates under bending stress have been also directly observed by the optical microscope.
用光学显微镜直接观察了合金在弯曲时应力诱发马氏体的增长和消失过程。
Drill string receives the complicated stress which is tension-compression stress, torsion stress, bending stress, etc.
在长期工作中，钻具承受拉伸、压缩、弯曲和扭转等复杂应力。
The bending stress is zero for the element at b.
在B处的单元体，弯曲应力为零。
Under the same bending load, stress distribution is different from that under pure bending.
在相同的弯矩载荷下，应力在试件横截面上的分布和纯弯曲有很大的不同。
The actual stress is not proportional to the bending moment.
实际上应力与弯矩不成正比。
This article mainly studies the gearing characteristics of the asymmetric gear with two pressure angles and the method of analyzing it, s bending stress and contact stress.
本文主要研究了双压力角非对称齿轮的啮合特性及其齿根弯曲应力和接触应力的分析方法。
If the stress produced by the additional bending moment is too large, the bolt will break.
如果附加弯矩产生的应力过大，螺栓便会断裂。
To remove internal stress such as those produced by drawing, bending, or welding.
去除内应力，如用冲压、完全或焊接成型的工件。
To remove internal stress such as those produced by drawing, bending, or welding.
去除内应力，如用冲压、完全或焊接成型的工件。
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