磨料水射流微加工技术的研究

Study to the Water Jet Micro Manufacture Technique with Abradant

通过控制水射流加工的进给速度来间接控制切割表面质量,同时获得加工轨迹的圆滑过渡,从而实现磨料水射流的微加工工艺。本文根据磨料水射流加工的特点,建立磨料水射流加工的神经网络模型。以JJ-I数控水射流机床为实验平台,获取样本数据,对所建立神经网络模型进行训练。该模型被用来预测给定加工条件下各程序段的进给速度,然后根据加工路径和机床的特性对进给速度进行修正,并编写数控代码。以不锈钢为基板,加工出微型摩托车图形。

In the paper, the quality of the cutting surface is controlled by regula ting the feeding velocity of the water jet, meanwhile, the smooth transition of the manufacture track is acquired also, thus the water je micro manufacture process with abradant is realized. According to the characteristic of the water jet micro manufacture with abradant, the paper founds the neutral network model for the water jet micro manu facture with abradant. JJ-1 numerical control machine tool with wate jet serving as the experiment platform, the paper acquires the sample data, and trains the founded neutral network model. The model is applied to forecast the feeding velocity of each stage of progress under the giving condition, then modifies the feeding velocity ac cording to the manufacturing track and the characteristic of the ma chine tool,and compiles the numerical control code.Moreover,minisize drawing of the motorcycle is made out with stainless steel serving as the base plate