1) concave rotative surface
凹回转面
1.
The characters of the singular point of the visible contour line of a concave rotative surface and its corresponding projection are analyzed on condition that the projection of the contour line is smooth near the singular point, the shape of the visible contour line of a concave rotative surface near the singular point is further studied.
对凹回转面可见轮廓线的投影在奇点附近仍光滑的情况下，分析了可见轮廓线本身与奇点对应点处的曲线特征以及可见轮廓线在其对称平面的投影图上与奇点对应的点的特征。
2) Surface of revolution
回转曲面
1.
By study the method of approximate development of surface of revolution,the mathematiccal model of approximate development,precision analysis and error correction has been gained.
通过对不可展回转曲面近似展开方法的研究，得到了回转曲面近似展开、精度分析和误差矫正的数学模型。
3) oblate revolution surface
扁回转面
4) surface of revolution
回转面
1.
Analytic method of slanting intersection line of surface of revolution and oblique cylinder;
斜置柱面与任一回转面偏交交线的解析法
5) in-plane gyratory
面内回转
6) revolving surface
回转表面
1.
Based on the basic principle of rapid prototyping,numerical control and laser cladding,the basic theory of direct metal deposition based on revolving surface was studied.
基于快速原型制造技术、数控技术以及激光熔覆技术的原理,研究了以回转表面为基体的金属零件直接成型技术的基本理论。
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