1) thickness of drum
卷筒壁厚
1.
Aim at port crane design,steel wire and pulley reasonable choosing and reducing sealed thickness of drum,this paper put forwards steel wire and pulley best choosing principles,theory and method of reducing sealed thick- ness of drum through steel wire and pulley fatigue wear test,drum intensity and stability test.
针对港口起重机设计及使用部门普遍关注的钢丝绳与滑轮的合理选配问题和焊接卷筒壁厚的减薄 问题，从失效机理和设计理论研究出发，经过钢丝绳与滑轮的疲劳磨损试验和卷筒强度、稳定性原型试验，提出了 钢丝绳与滑轮的最佳选配原则和焊接卷筒壁厚的减薄理论与方法。
2) 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。
3) 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。
4) 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。
5) thick walled cylinder
厚壁圆筒
1.
A study was presented for the carrying capacity of a thick walled cylinder in consideration of the softening effect on the basis of unified strength criterion and elasto brittle plastic model.
应用统一强度准则和弹脆塑性变形模型,研究材料具有软化效应的厚壁圆筒的承载力。
2.
Thispaper makesan autofrettage analysisof thick walled cylinder of material with different yield strength in tension and compression based on 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材料的厚壁圆筒进行了自增强分析,得到了适用于多种材料的厚壁圆筒弹性区与塑性区中的应力分布,残余应力分布及合成应力分布的统一解析式,分析得出了最佳弹塑性半径和最佳自增强内压的统一解析
6) thick cylinder
厚壁圆筒
1.
Study on thermal deformation of thick cylinder in uneven temperature field;
非均匀温度场中厚壁圆筒变形研究
2.
A fatigue strength design criterion of thick cylinders subjected to repeated internal pressure;
一种受循环内压厚壁圆筒的疲劳强度设计准则
3.
Coulomb yield-law is used to determine elastic and plastic limiting load of thick cylinder and thick sphere in strength-differential material.
本文利用库仑屈服准则,研究了拉压异性材料厚壁圆筒和厚壁球壳的弹性极限载荷和塑性极限载荷,得出了新的结果和结论。
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