详细介绍了用扩冲法对液压胀形出现凹形的护环进行修复的方法。
This article has described expanding method for repairing the concave retaining ring caused by the hydraulic bulging.
利用非线性有限元理论方法，建立了后桥壳液压胀形有限元模型。
By using non-linear finite element theory, a non-linear finite element model for hydroforming for rear axle housing is established.
根据后桥壳液压胀形的特点，选择刚塑性材料模型进行模拟分析。
According to the characteristic of hydroforming for rear axle housing, rigid-plastic material model is elected as tube blank material model process simulation analysis.
该方法在很多方面优于国际上先进的液压胀形法及常用的橡胶凸形法。
This process proves more advantageous than the advanced hydraulic bulging process abroad and the conventional rubber-bulging process in many respects.
为了进一步检验液压胀形轧辊改善板形的能力，进行了铝板轧制实验。
The aluminum strip rolling experiment is performed in order to test further the capacity of hydraulic bulging roller in improving the strip shape.
液压胀形轧辊本身的结构参数对于该技术能否成功具有举足轻重的地位。
The construction parameters of the hydraulic elastic bulging roller itself play an important part on whether the technique is successful or not.
所得结论在开发及应用液压胀形轧辊系统方面具有直接的理论和实际指导意义。
The results are of theoretical and practical significance for developing and applying the hydraulic elastic bulging roll system.
采用塑性变形理论研究了薄壁管液压胀形过程中轴向载荷与内压力的变化情况。
Based on the theory of plasticity, the variety rule of internal pressure and axial force in the process of thin tube bulge forming is studied.
对于采用无缝管制造三通来讲，目前通常所采用的工艺有液压胀形和热压成形两种。
Manufactured with seamless links for, at present there is usually used in hydroforming technology and hot forming two.
简述了液压胀形三通管件的特性，分析了胀形过程中各工艺环节对三通管件质量的影响。
This article briefly describes the characteristics of hydraulic bulge forming tee tubes, and analyzes the effect of technical chains in the processing on quality of tee tubes.
本文根据液压胀形的特点，利用塑性变形原理，提出评定板材成形性能的液压胀形试验法。
According to the character of hydraulic bulge and the theory of plastic deformation, a testing method of hydraulic bulge to evaluate the forming property of sheet metals is put forward.
分析了带轮成形工艺特性，介绍了皮带轮液压胀形模具结构，论述了模具结构特点和工作原理。
The technologic property and working procedure of the strap wheel was analyzed and the structure of the die, the character and working principle of the die were described.
应用商用有限元软件ANSYS/LS-DYNA，对板料的双向加压液压胀形过程进行了数值模拟。
The double sides pressurized hydroforming process of metal sheet is numerically simulated by applying the commercial FEM software ANSYS/LS-DYNA.
本文在国内首次完成了液压胀形轧辊系统的静载实验研究，初步探讨了液压胀形轧辊的胀形变形规律。
The dead load experiment study for this system has been conducted for the first time in China. The bulging law of the hydraulic elastic bulging roll has been studied.
研究的内增压或外增压液压胀形强化新方法，可以提高工艺过程的可控制性，并能扩大液压胀形的应用范围。
And the new hydrobulge strengthened with internal and external pressurized expanding can be controlled and expanded the application field.
采用金属体积不变条件，推导出金属波纹管液压胀形工艺中的管坯长度计算公式，实验表明，计算公式准确实用。
In this paper, the blank length formulate of bellows hydraulic shaping are derived. Verified by experiments, these formulate are very accurate and effective.
采用塑性增量理论，建立了波纹管液压胀形的应力、应变数值计算方法，解决了波纹管液压胀形工艺的理论计算问题。
By plasticity increment theory, the stress strain numerical calculate methods of bellows bulge forming, solvers theory calculating problems of bellows bulge forming technology are put forward.
在该理论分析基础上，制定并实现了小变薄率胀形波纹管的特殊液压胀形工艺的新构思，成功地研制出了小变薄率波纹管。理论计算与试验结果相吻合。
Based on this theory, the new conceit of bulge forming technology of minimal thinned rate bellows is formulated and realized, minimal rate bellows is developed successfully.
在该理论分析基础上，制定并实现了小变薄率胀形波纹管的特殊液压胀形工艺的新构思，成功地研制出了小变薄率波纹管。理论计算与试验结果相吻合。
Based on this theory, the new conceit of bulge forming technology of minimal thinned rate bellows is formulated and realized, minimal rate bellows is developed successfully.
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