1) dimple hole
锪窝孔
1.
First, critical sits are obtained by the FEA of dimple hole structure without fanlike cracks around its hole.
根据航空等领域内锪窝铆接及锪窝锣接构件的典型结构特征 ,采用三维的十节点四面体等参有限单元模型 ,分别对无裂纹及孔边含裂纹锪窝孔 /直通孔结构进行了模拟分析 ;得到了锪窝孔构件的危险部位及90°,1 2 0°锪窝孔边扇形角裂纹的应力强度因子 ,给出了覆盖面广的计算曲线 ;通过对计算结果的分析 ,讨论了裂纹长度、孔径以及板厚等因素对应力强度因子的影响。
2) spot facing
锪孔
1.
Mechanism of dieder spot facing on sheet material was introduced.
介绍了在板料上进行双面锪孔的机理,通过对具体零件的分析,设计出合理的冲压成形工艺方案和模具结构,模具用于生产,产品质量和生产效率得到极大提高。
3) socket drill
锪窝钻
1.
Employing the method of complex helical drill point design,the formula of the clearance angle of inner cut edge for the socket drill is derived and the relationship between the clearance angle and the slantwise angle of the inner cut edge is deduced to innovate the design and manufacture of the socket drill.
通过复杂螺旋面钻尖设计方法导出锪窝钻钻尖内刃后角公式及内刃后角与内刃偏角的关系表达式 ,改进了锪窝钻的设计与制造。
4) spotfacer tool
锪孔刀具
5) reverse counterboring
反锪孔
1.
A locking device and a reverse counterboring tool bar are designed, their structure and working principle are introduced.
设计了一种锁紧装置和一反锪孔刀杆，介绍了其结构原理。
6) countersinking
[英]['kauntə,siŋk] [美]['kaʊntɚ,sɪŋk]
锪锥孔
补充资料：第二孔(继发孔)型缺损
第二孔(继发孔)型缺损
ostium secondary defect
是心房间隔在形成上发生障碍，一般缺损较大，多在卵圆孔附近称第二孔(继发孔)型缺损。
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