关于二轴联动数控加工球头铣刀的几点说明

指出了二轴联动数控加工采用与轴线成定角螺旋刃口的球头铣刀时存在的设计与制造难题 ,并给出了相应的处理方法及相关模型 ,计算机虚拟制造结果验证了该方法的正确性和可行性。     

两类柱状回转铣刀NC加工的难点

介绍了球头柱状和带角圆柱状铣刀的设计与NC加工中相关主干模型，集中就这两类铣刀的难点——二轴联动NC加工中的径向进给和球头顶尖问题，给出了较为理想的处理方案。     

三沟槽等螺旋角带角圆铣刀设计的数学模型

给出了带角圆的柱面铣刀上与经线成定角的螺旋刃口的连续刃口曲线模型 ,并结合三个沟槽的沟槽截形设计公式和 NC加工相关注记 ,为这种铣刀的设计及 NC加工提供了参考     

最小外包容平行六面体和最小外包容圆柱

根据已给点列，给出了比现有文献更小的外包容平行六面体，并引进了最小外包容圆柱的定义、求解模型。给出了同一点列的最小外包客六面体与圆柱轴线间的4种情况，并用实例验证了所述模型和分析的可靠性。     

计算直圆锥齿轮近似齿廓方程的等距变换法

本文以常用的近似取代为前提,由等距变换方法获得了直圆锥齿轮的近似齿廓方程■=(1-λ){0,R_0 cos ecδ,0} λR_0 cos α_0 cos δsec α_■{cos[secδ((π)/(2z) inv α_0-inv α_K)],tgδ,sin[secδ((π)/(2z) inv α_0-inv α_K)]}其中:λ∈[(R_1)/(R_0),1],α_K∈(0,π/2)。     

关于渐开线型硬质合金插齿刀的生产模型

0 IntroductionThe new design and manufacture model for carbide gear shaper tools have beendiscussed in[1]and[2]respectively.Because the gear shaping in the above model in ofnon-rectilinear type,the modification for the shaping can not be done in the countryfor the time being,it is necessary to consider that the gear cutting edge curve is ofrectilinear type,that is,some involute,which approximate the plane profile curve ofthe tool which is perpendicular to the axial,may be made use of to replace the cut-     

叶片制造中的几何理论研究及应用

针对叶片制造存在的问题，对非数控曲面边界制造问题、直纹面和非直纹面叶片的制造问题进行理论分析及几何建模。通过分析被加工叶片的造型规律，应用微分几何、计算几何与数控技术相结合，得到了提高叶片制造质量的几何综合法途径和相应的几何理论。具体应用实例验证了几何模型的正确性，得到了解决此类制造问题更为理想的多种方法。     

磨削钻沟的砂轮截形设计的解析方法

The grinding wheel profile is very important for a twist drill flute as it will directly affect the drill's performance and lifc. Hence, many famous experts have made it a subject matter to study. Mr. Radhakrishnah, Mr. Kawlra and Mr. wu published a paper in Math. Tool Des. Res. in 1982 named A Mathematical Model of the Gringing Wheel Profile Required for a Specific Twist Drill Flute. In china somc magazines published the abstract about the paper above.     

关于制造高精度的齿轮滚刀的进一步探讨

one of the authors made a mathematic model in his paper A study of the qualified tooth-shape section of gear hobs" published by the Journal of HIT No.1, 1984, which imitated the technological process of gear hobs and was verified through calculations and practical production in factories. This paper is a further discussion on the subject described above for the purpose of raising much greater the precision of gear hobs. Therefore it is not difficult for