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- 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。
- Development of Helical Drill Point Grinders 几种螺旋面钻尖刃磨机床的研制
- Solution to Angles of Non-coaxial Helical Drill Point 非共轴螺旋面钻尖角度的求解
- Dynamic Simulation of a Biglide Parallel NC Grinder for Helical Drill Point Machining 二并联数控螺旋面钻尖刃磨机床的动力学仿真
- Keywords Twist Drill;Helical Drill Point;Bipod;Tool Grinder;Parallel Machine Tool; 麻花钻;螺旋面钻尖;二并联杆;刀具磨床;并联杆机床;
- Study of testing the force of cutting edge of drill point. 麻花钻头切削刃受力测试研究
- These cutting angles vary from point to point and have a great effect on the performance of the drill point. 这些切削角度是逐点变化的而且对群钻的切削性能有很大的影响。
- Quite a number of effective gun drill point with complex-faceted flanks are available in the market. 生产中已经出现一些高效率的复杂型面枪钻钻尖;但是,需要建立它们的数学模型。
- Finally,the influences of th is edge grinding method over the shape of main edge and chisel edge of drill point are analyzed. 最后,分析了该刃磨方法对钻尖主刃和横刃形状的影响。
- Methods: The root canal with root canal orifice burs and helical drilling bits were prepared in advance. 方法：采用根管口台阶状车针与螺旋型根管钻组合起来扩大根管。
- The apparatus and method for testing the thrust and torque on the main cutting edge and chisel edge of drill point was introduced. 通过试验测试了任意形状钻头切削刃的轴向力和扭矩,为钻头受力预测提供了一套完整的研究方法。
- Methods:The root canal with root canal orifice burs and helical drilling bits were prepared in advance. 方法:采用根管口台阶状车针与螺旋型根管钻组合起来扩大根管。
- For drill point with planar flanks, using toolroom microscope, we measure the angles relevant to unit vector on the flanks and transform these data into design parameters. 我们利用工具显微镜,对平面型后刀面枪钻测量有关的角度,确定后刀面法矢方向,并将数据转换为设计参数。
- A kind of new typed mathematical model for helical surfaced drill point 一种新型螺旋面钻尖数学模型
- Objective: To introduce a new prefabricated post-and-core system, a helical drilling bit and a prefabricated post-and-core consisting of a root canal orifice bur which was designed by the author. 摘要目的：介绍一种由螺旋型根管钻、行设计的根管口台阶状车针、成桩核组成的预成桩核系统。
- Their mathematical modeling are needful, since they are not only indispensable for CNC machining and programming, but also imperative for investigating and improving the drill point performance. 但是,需要建立它们的数学模型。这不仅是CNC加工和编程的前提,也是分析研究和提高钻尖性能的依据。
- The design parameters of gun drill point are indispensable for inspection and grinding, especially in regrinding for worn drill points. 枪钻钻尖的设计参数是枪钻加工和检验的依据。
- MS: I calculated the drill point coordinates 我计算过钻孔点的坐标
- At this point your logic is at fault. 在这一点上你的推理是错误的。
- At six we were fallen in for drill. 六点钟我们站好队准备操练。
