1) concave block
凹形砌块
2) spill
凹形
3) "concave"type
“凹”形
1.
For investigating the profile that has advanced startup characteristic with the supersonic and transonic conditions, the present paper design the suction surface as the“concave”type based on a transonic profile,and analysis the changing of the aerodynamic characteristic of the original and the remodeled cascades,so gives a thoughtway for designing the blade profiles.
为了探索在超跨音速下具有优良启动特性的叶型,以某跨音速叶型为例,对吸力面作了“凹”形设计,分析比较了改型前后叶栅气动性能的变化,为叶型设计提供一种思路。
4) Concave desk top
凹形桌面
5) concave blank
凹形坯料
1.
With Deform application software the cold upsetting processes of cylinder and concave blank of American Standard AISI-1008 steel are simulated,the comparison analysis is done from two fields: equivalent strain and flow curve.
利用Deform应用软件,对美国标准A IS I-1008钢圆柱形坯料和凹形坯料镦粗过程进行数值模拟,从等效应变和流线两个方面进行了对比分析,分析结果表明:当高径比为1。
6) Concave guide
凹形导板
参考词条
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。