Geometric design of gun drill point with planar flanks;
平面型后刀面枪钻钻尖的几何设计
Simulation of CNC drill point grinder based on MATLAB;
基于MATLAB的数控钻尖磨床仿真
Employing the method of complex helical drill point design,the formula of the clearance angle of inner cut edge for the socket drill is derived and the relationship between the clearance angle and the slantwise angle of the inner cut edge is deduced to innovate the design and manufacture of the socket drill.
通过复杂螺旋面钻尖设计方法导出锪窝钻钻尖内刃后角公式及内刃后角与内刃偏角的关系表达式 ,改进了锪窝钻的设计与制造。
Design of PLC and Automatic Loading and Unloading Mechanism for CNC Drill Point Grinder;
数控钻尖磨床自动上下料机构及PLC的设计
This paper analyses that tip angle of drill bit influences on cutting capability and life of twist drill, when the material and shape of work piece is different.
分析了工件材料、形状不同时 ,钻尖顶角的大小对麻花钻切削性能及寿命的影响 ,介绍了麻花钻的钻尖顶角的选择 。
Development of Helical Drill Point Grinders;
几种螺旋面钻尖刃磨机床的研制
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。
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