convex form

Measurement of convex degree and convex form of spherical reference face of roller;

滚子球基面凸度、凸形的测量

In order to improve the cutting quality of the diecutting machine,the forced deformation of the active flat is studied on the die-cutting machine,and the structure is optimized based on convex revision method.

为进一步提高平压模切机的模切质量,对平压模切机的重要部件动平板的受力变形规律进行了研究,并对动平板的结构采用凸形修正的方法进行了优化,结果表明动平板进行凸形修正后,模切机模切质量大大提高。

Design method of nonstandard plate flange with convex head;

带凸形封头非标平焊法兰的设计方法

In the long-term use of GB 150-1998 "steel pressure vessels" and JB/T 4746-2002 "head for steel pressure vessels",some problems of the acceptance standards of minimum thickness of convex head in the GB 150 were found.

在长期使用GB 150—1998《钢制压力容器》和JB/T 4746—2002《钢制压力容器用封头》标准的过程中,发现标准中关于凸形封头最小厚度的验收规定存在一些问题,易产生误判,造成不必要的损失。

An analysis is made of the effects of blank size of convex head for pressure containers on its forming quality.

分析了压力容器凸形封头坯料尺寸对其成形质量的影响 ,阐述了要保证其良好成形 ,合适的坯料尺寸是一个重要的因素。