1) ratio of wall thickness to size
壁厚与管径比
2) Tube diameters/wall thickness
管径/壁厚
3) super length_diameter ratio thick wall steel pipe
超长径比厚壁钢管
1.
The paper introduced the speciality of super length_diameter ratio thick wall steel pipe part_shaping technology and the mould structure.
介绍了超长径比厚壁钢管零件成形工艺的特点及模具结构 ,设计了具有弹性的刚性凸模 ,使刚性凸模胀形达到软凸模胀形的效果 ,其3处局部胀形采用分步成形的工艺方法 ,模具凸模采用带镶件的组合件 ,可局部更换 ,使用方
4) inner-radius-to-thickness ratio
内径壁厚比
1.
Effects of inner-radius-to-thickness ratio of composite pipes on velocity of guided waves;
复合管内径壁厚比对导波速度的影响
5) inner-radius-thickness ratio
内径-壁厚比
1.
The relationship between the wave-packet duration of ultrasonic longitudinal guided waves with lower order and the inner-radius-thickness ratio(IRTR)of free pipes was analyzed at various propagation distances, various frequency-thickness products and various cycle numbers of the input pulse signal.
在自由管材的情况下,在各传播距离、各频厚积和各激发脉冲周数上,分析了内径-壁厚比和管材中较低阶纵向导波模式波包宽度的关系。
6) Diameter and thickness of glass tube
玻璃管外径与壁厚
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