spherical sector

Technology named"theory of ball center"for ball screw manufacturing;

滚珠丝杠副制造中的“球心论”技术

In exciting and fierce match, good mental state at penalty shot play a very important role to decide whether win or lose the match.

在紧张激烈的比赛中,良好的罚球心态对比赛的胜负起着至关重要的作用。

This article through a set skillfully with the release lever and in the dial guage survey the center of a sphere position examination jig, introduced one kind of operation simple, the easy to operate, the survey direct-viewing in center of a sphere position examines the design process which has, this structure the center of a sphere position survey aspect has the big research value.

通过一套巧用杠杆及百分表测量内球心位置度的检验夹具,介绍了一种操作简单、使用方便、测量直观的内球心位置度检具的设计过程,此结构在内球心位置度测量方面具有较大研究价值。