1) spire
[英]['spaɪə(r)] [美]['spaɪr]
螺旋线;尖塔;耸立
2) spire
[英]['spaɪə(r)] [美]['spaɪr]
螺旋;螺线;塔尖;锥形体v.螺旋形上升
4) Towering Aloft Above the Horizon
耸立在地平线上
5) the tower rising above the trees
耸立在林中的宝塔
6) helical drill point
螺旋面钻尖
1.
Development of Helical Drill Point Grinders;
几种螺旋面钻尖刃磨机床的研制
2.
Basic structure and operation principle of the parallel grinder for helical drill point grinding is presented.
给出螺旋面钻尖刃磨机床的基本结构及其工作原理。
3.
According to the mathematical models for flank and flute of new drill (drill point termed the non coaxial helical drill point), formulae for cutting angles of the cutting lip and chisel edge and for heel clearance angle are deduced based on their defintions.
根据钻头主刃和横刃上各种工作角度及后刀面尾隙角的定义 ,由新型钻尖 (非共轴螺旋面钻尖 )的后刀面模型和前刀面模型推导出了各种角度的公式 ,为利用软件进行新型钻尖的 CAD系统开发提供了基
补充资料：螺旋线
又称“柱面螺旋线”。一种空间曲线。其特征是曲线上每一点的切线与固定直线(轴)交定角。当动点在一圆柱面上以等角速度作转动，同时又以常速沿轴向作匀速直线运动时的轨迹。有右旋和左旋之分。
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