台阶孔 meaning in Chinese
counterbore
Examples
- Machining practice of anomaly stepped bore on machining center
不规则台阶孔在加工中心上的加工实践 - However the machining of light - composite armor material is still a dead - hand problem to be resolved , and so , this dissertation analyses and researches the mechanical - physics performance , the tissue - structure characteristics and the machining mechanism of light - composite - armor material ( fiber - reinforced polymer - based composite and defense - bullet ceramics ) ; researches the machining technology of light - composite - armor material , developing the special cutters and special clamps . researches the machining technology of light - composite - armor after molding , mainly resolving the drilling a hole and cut a straight - line of defense - bullet ceramics / fiber - reinforced polymer - based composite . using the machining tools , which mainly include multiple - tools machining fiber - reinforced polymer - based composite holes and diamond saw - blade , diamond hole - drills machining defense - bullet ceramics and so on , researched in this dissertation , the machining - experiment of composite , defense - bullet ceramics and ceramics / composite was carried through , and good machining result was gained
然而，轻质复合装甲材料的加工仍是一个亟待解决的问题，为此本课题分析研究了轻质复合装甲材料的物理机械性能、组织结构特点和加工机理，即：维增强聚合物基复合材料和工程陶瓷；研制了轻质复合装甲材料加工所用的专用工装，主要包括专用刀具和专用夹具；研究了轻质复合装甲成型后的加工技术，主要解决了工程陶瓷复合材料板的钻孔和直边切割加工；利用所研究的加工纤维增强聚合物基复合材料台阶孔用的复合刀具、切割直边用的金刚石钎焊切割锯片、加工工程陶瓷用的金刚石套料钻、切割工程陶瓷复合材料板用的金刚石切割锯片等加工刀具对纤维增强聚合物基复合材料和工程陶瓷，以及工程陶瓷复合材料板进行了加工实验，并取得了良好的实验效果。