基于VB.net语言开发了齿轮插刀加工内齿轮的范成仿真实验,实现了渐开线内齿轮范成仿真的参数化、可视化和网络化访问.通过改变齿数、齿顶高系数、压力角和变位系数模拟内齿轮范成加工过程和径向进刀顶切现象.齿轮范成仿真不需要安装任何插件就可以在计算机或手机上进行,能够自动评定学生的实验成绩.为配合仿真实验还设计制造了渐开线内齿轮范成仪,拓展了齿轮范成仪的种类,达到了与仿真实验虚实结合、优势互补的教学效果.教学实践表明,内齿轮范成仿真实验较好的达到模拟分析和拓展知识面的教学目的.%A simulation experiment of involute internal gear generating is developed based on VB.net language.The parameterization,visualization and networking of the involute internal gear generating are realized.The virtual experiment simulates processing and the top cutting phenomenon with different teeth,addendum high coefficients,pressure angles.Internal gear generating can be carried out by computers or mobile phones without installing any plug-in software,and can automatically assess the student's experimental results.Involute internal gear generating instruments are designed and manufactured to stretch the types of gear generating instruments,achieve the virtual-reality combination and have complementary advantages.The teaching practice shows that the simulation experiment of internal gear is better to achieve the simulation analysis and expand the teaching effect of knowledge.
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