摘要
为了方便麻花钻的教学,文章通过建立空间辅助平面确定钻头切削角度,使抽象的麻花钻前、后角直观可感,便于学习者理解和应用。
in order to facilitate the teaching of twist drill,this article determines bit cutting angle through establisheing a spatial auxiliary plane,and make the horn,rear corner of the Abstract twist drill visualize and sensate for the purpose of convenience about learners’comprehension and application.
出处
《装备制造技术》
2012年第5期149-150,167,共3页
Equipment Manufacturing Technology
关键词
麻花钻
辅助平面
前角
后角
twist drill
auxiliary plane
horn corner
rear corner