摘要通过对实际情况的分析调查以及对现有麻花钻刃磨方法的比较和研究，采用内锥面刃磨麻花钻的方法。

本设计阐述了内锥面刃磨麻花钻的刃磨原理、刃磨参数和工艺方案的确定、主轴转速的计算、砂轮的选取与安装等一系列问题，从而在研究分析的基础上参考现有主要磨床的设计和改造方法，以及结合内锥面刃磨钻头进行的一些实验和目前在钻头刃磨技术方面所得的成果，设计出了合理有效、安全可靠、经济简捷的麻花钻内锥面刃磨装置。

关键词：麻花钻；内锥面刃磨；刃磨装置设计AbstractAccording to the actual situation analysis investigation and existing twist drill grinding method of comparison and research, with the inner cone grinding of twist drill method. The elaborate design of the inner cone grinding of twist drill, the grinding principle of grinding parameters and the identification process, the calculation of grinding wheel spindle speed, the selection and installation and a series of problems, and on the basis of research and analysis with reference to the existing main grinder design and modification methods, and combining with the inner cone grinding drill some experiments and present in drill grinding technology results, and prove the feasibility of the design, design a reasonable and effective, safe and reliable, economic and simple inner cone grinding of twist drill device.Key words:twist drill; the inner cone grinding; grinding device design目录摘要 (I)Abstract (Ⅱ)第1章绪论 .................................................................................................................... - 1 -1.1 设计麻花钻刃磨装置的意义....................................................................... - 1 -1.2 麻花钻刃磨技术研究概述 ........................................................................... - 1 -1.2.1 麻花钻刃磨装置国内外发展状况与趋势 .................................... - 1 -1.2.2 存在的主要问题................................................................................. - 4 -1.3 麻花钻刃磨方法的比较................................................................................ - 5 - 第2章麻花钻内锥面刃磨的理论分析.................................................................... - 6 -2.1 麻花钻的几何特性......................................................................................... - 6 -2.1.1 麻花钻的结构 ..................................................................................... - 6 -2.1.2 麻花钻的几何参数 ............................................................................ - 7 -2.2 麻花钻的传统刃磨方法................................................................................ - 8 -2.3 麻花钻的内锥面刃磨方法 ........................................................................... - 9 -2.4 麻花钻的内锥面刃磨原理及..................................................................... - 10 -刃磨参数优化........................................................................................................... - 10 -2.4.1 钻头刃磨原理 ................................................................................... - 11 -2.4.2 刃磨参数的优化............................................................................... - 11 - 第3章麻花钻刃磨装置的机械系统设计 ............................................................. - 13 -3.1 刃磨装置的总体方案 .................................................................................. - 13 -3.2 丝杠螺母副的设计计算.............................................................................. - 14 -3.2.1 横纵向进给的设计计算 ................................................................. - 14 -3.2.2 垂直进给的设计计算...................................................................... - 19 -3.3 传动系统的锥齿轮设计计算..................................................................... - 23 -3.3.1 横向进给方向上锥齿轮的设计 .................................................... - 23 -3.3.2 垂直进给方向上锥齿轮的设计 .................................................... - 27 -3.4 导轨的设计计算........................................................................................... - 31 - 第4章麻花钻装夹及分度装置设计...................................................................... - 32 - 第5章电动机及砂轮的选择 ................................................................................... - 41 -5.1 电动机的选择 ............................................................................................... - 41 -5.2 砂轮的选择.................................................................................................... - 41 - 结论.................................................................................................................................. - 43 -致谢.................................................................................................................................. - 44 - 参考文献 ........................................................................................................................... - 45 -ContentsAbstract (I)Chapter1 introduction................................................................................................. - 1 -1.1 The research purpose and meaning of designing twist drill ..................... - 1 -1.2 research an overview of twist drill gringing technology........................... - 1 -1.2.1 Overview of twist drill sharpening device........................................ - 1 -1.2.2The main problems ............................................................................... - 4 -1.3 Compare of twist drill grinding method....................................................... - 5 - Chapter2 The theoretical analysis of twist the inner cone grinding............... - 6 -2.1 Geometric properties of the twist drill.......................................................... - 6 -2.1.1 Structure of the twist drill.................................................................... - 6 -2.1.2 Geometric parameters of the twist drill........................................... - 7 -2.1 The traditional grinding method of the twist drill ...................................... - 8 -2.3 The inner cone grinding method of the twist drill...................................... - 9 -2.4 The inner cone grinding theory of the twist drill and .............................. - 10 -optimizing of grinding parameters ...................................................................... - 10 -2.4.1 The inner cone grinding theory of the twist drill........................... - 11 -2.4.2 optimizing of grinding parameters................................................... - 11 - Chapter3 twist drill grinding equipment mechanical system design......... - 13 -3.1 Program of grinding device ........................................................................ - 13 -3.2 Design and calculation of screw –nut pairs ............................................... - 14 -3.2.1 Horizontal and vertical feed design calculation............................. - 14 -3.2.2 design and calculation of the vertical feed ..................................... - 19 -3.3 Bevel gear drive system design calculation............................................... - 23 -3.3.1 Cross feed direction bevel gear design............................................ - 23 -3.3.2 Perpendicular to the bevel gear design............................................ - 27 -3.4 Design and calculation of the guide .......................................................... - 31 - Chapter4 Twist drill clamping and dividing device .......................................... - 32 - Chapter5 Selection of the motor an wheel ........................................................... - 41 -5.1 Motor Selection .............................................................................................. - 41 -5.2 Wheel Selection.............................................................................................. - 41 - Conclusion........................................................................................................................ - 43 - Thanks............................................................................................................................... - 44 -References ........................................................................................................................ - 45 -第1章绪论1.1 设计麻花钻刃磨装置的意义麻花钻在金属切削加工中应用很广泛,用来加工各种孔，已经有一百多年的历史,现在全世界每年消耗的钻头数以亿计,在美国汽车制造行业中,机械加工中钻孔工序的比重约占50%,而飞机制造业中钻孔工序所占比例更高[1]。