1) regular polygon box parts
正多边形盒零件
1.
The stress distribution calculation of the flange defermation region of regular polygon box parts by stamping forming;
正多边形盒零件冲压成形凸缘变形区的应力分布计算
3) boxy part
盒形零件
4) complex box body
复杂盒形零件
1.
Metal flow is a very inhomogeneous process during backward extrusion of complex box body,Relative shape and size of the blank is a key factor which affect metal flow.
复杂盒形零件的反挤压是一个极其不均匀的流动过程 ,坯料的相对形状及尺寸是影响金属流动的关键因素。
5) high cone-shape box body
盒体高锥形零件
1.
Introduced drawing craft s computational method of the high cone-shape box body, through reasonable drawing gap, and using approopriate lubricant and lubrication method, the component was drawing with ideal surface quality.
介绍了盒体高锥形零件拉伸工艺的计算方法,通过合理确定拉伸间隙,采用合适的润滑剂及润滑方法,拉伸出表面质量理想的零件。
6) Regular polygon
正多边形
1.
The practical calculation equations for regular polygon folded-plated shell subjected to uniform loads are presented.
在已有的四边形幕结构设计计算理论的基础上,以承受正则荷载的正六边形幕结构屋盖为例,分析了正多边形幕结构的受力机理,提出了在均布荷载作用下的正多边形幕结构内力的实用计算方法,与有限元分析结果对比,吻合较好。
2.
For solving regular polygon,the author presents a geometrograph which divides the circumference uniformly and arbitrarily; and derives an analytic expression.
介绍任意等分圆周的几何作图法及所推导的解析表达式，提出用解三角形法解决正多边形零件在设计和加工中的计算问题。
3.
Aiming at the transition algorithms from regular polygons to a circle,embordering method and edge rounding method are put forward.
针对正多边形渐变为圆的算法进行了研究,提出了两种算法:加边法,即通过增加正多边形边数的方法逐渐逼近于圆,当正多边形的边数足够多时,可以认为其是一个圆;倒角法,逐渐增加正多边的倒角半径,当倒角半径趋近等于正多边形的内接圆半径时,得到的即为一个圆,这个圆是该正多边形的内接圆。
补充资料：正多边形的中心
正多边形的中心
正多边形的外接圆（或内切圆）的圆心叫做正多边形的中心。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。