1) x-type thin prong
扁花齿线
2) Involute teeth spline
渐开线齿外花键
3) involute cylindrical gear spline
渐开线齿轮花键
1.
It is typical in the modern cold forging to Cold-Extrude the involute cylindrical gear spline.
本文在研究挤压金属三维流动速度场的基础上，给出了一种开模冷挤压模面形状的设计方法；并对具体的渐开线齿轮花键挤压时的三维运动速度场进行了计算分析；通过上限法，得到了由优化参数构成的变形功率的解析表达式；最后以复合形法为优化工具，给出工艺参数的优化算法。
4) flat bit
扁形截齿
1.
This paper briefly introduces the flat bit and pick-like bit of coal cutter's rolling barrel and their merits and demerits, analyses on the stresses of pick-like bit and its main technical features, and makes comparative analysis on the operating situations of coal cutter's cutting pan of the First Prison Coal Mine of Yangquan City before and after the transformation.
简单介绍了采煤机滚动筒扁形截齿和镐形截齿及其优缺点,分析了镐形截齿的受力情况及主要技术特征,并对阳泉市第一监狱煤矿采煤机割盘改造前后的使用情况进行了对比分析。
5) radial bit
扁截齿
1.
Finite element stress study on radial bit failure;
扁截齿失效的有限元应力分析
6) Onycholyda Takeuchi
齿扁蜂属
1.
Two new species of Onycholyda Takeuchi are described and illustrated from Guizhou Province and Northeastern area of China.
记述了采自贵州(梵净山)、黑龙江和辽宁的扁蜂科Pamphiliidae齿扁蜂属Onycholydatakeuchi的两新种:梵净山齿扁蜂Onycholydafanjingshanicasp。
