1) theory of thick wall tube
厚壁筒理论
2) thick walled cylinder theories
厚壁圆筒理论
1.
This paper,by means of traditional thick walled cylinder theories and Tresca yield rule,establishes the math relationship model between permissible inner pressure of composed concave die with different layers and total ratio of outside diameter and inside diameter.
运用传统的厚壁圆筒理论按Tresca屈服准则建立不同层数组合凹模所能承受的内压与其总直径比的数学关系模型 ,应用拉格朗日乘数法对组合凹模参数进行了优化设计 ,探讨了提高组合凹模承载能力和减少模具尺寸的途
3) theory thickness
理论壁厚
4) Thick wall cylinder
厚壁圆筒
1.
A hydraulic method for determining incipient yield pressure of thick wall cylinder;
测定厚壁圆筒初始屈服压力的液压方法
2.
This paper performs the limit analysis of a thick wall cylinder of linear strengthened material based on the unified strength theory.
运用统一强度理论对承受内压的拉压屈服强度不同的 线性强化材料的厚壁圆筒进行了极限载荷分析,得到了适用 于多种材料的厚壁圆筒极限载荷的统一解析式。
3.
Using elastic solution of thick wall cylinder, it is analyzed that the optimum design on three-layers assembled cavity die of cold extrusion under the elastic limit stress.
应用厚壁圆筒的弹性解 ,分析了冷挤压三层组合凹模具有最大弹性极限时的优化设计 ,推导了三层组合凹模的最大承压、各层分界面半径和分界面过盈量的优化设计计算公式。
5) thick-wall cylinder
厚壁筒体
1.
The results show that experiments are accordant with numerical simulation and when the preparatory hole is reverse-conical and its mean diameter is 11 mm,acceptable nozzle sizes can be obtained after hole flanging on thick-wall cylinders.
采用有限元数值模拟与实验研究方法,模拟分析了厚壁筒体翻孔工艺过程材料塑性变形规律及特点,研究了不同温度条件下工件预加工孔型、孔径等对厚壁接管成形尺寸的影响。
2.
Influence of the workpiece s pre-hole diameters and passes on thick-wall cylinders hole flanging is investigated by experiment and numerical simulation.
采用实验研究和数值模拟的方法,分析了工件预加工孔径和孔型参数对厚壁筒体翻孔工艺的影响。
6) thick-walled cylinder
厚壁筒
1.
Reliability assessment and design of thick-walled cylinder under internal pressure;
内压厚壁筒结构的可靠性分析和可靠性优化设计
2.
Calculation of stress intensity factor about a thick-walled cylinder with an surface crack under autofrettage stresses;
残余应力下厚壁筒表面裂纹的应力强度因子计算
3.
The preloads distribution of the die s quasi thick-walled cylinder pre-tensional structure was gotten subjected to the changing of k,which was the ratio of the die s height to its diameter,in .
1~5类厚壁筒模具预紧结构的模拟计算,得出预紧力沿轴向的分布规律。
补充资料：凹模壁厚及凹模垫板尺寸
型腔壁部投影面积 壁 厚， 毫 米
F， 厘米2 h1 h2 h3 h4 h5
<5 15~20 30~40 <=10 15~20 30~40
>5~10 20~25 40~50 10~15 20~25 40~55
>10~50 20~30 50~60 15~20 20~30 55~65
>50~100 30~35 60~75 20~25 30~40 65~70
>100~200 35~40 75~85 25~30 40~50 70~75
>200 >40 >85 30~35 50~60 >80
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条