面向再制造的HT250毛坯除漆技术及工艺优化

来源期刊:中南大学学报(自然科学版)2016年第1期

论文作者:李方义 郭琦 姚帅帅 聂延艳 贾秀杰 李剑峰

文章页码:77 - 82

关键词:再制造;高压水射流;涂层清洗;响应面模型

Key words:remanufacturing; high-pressure waterjet; coating cleaning; response surface methodology

摘    要:利用高压水射流对HT250表面涂层进行清洗,采用Matlab软件统计图像像素的手段,研究不同移动速度、清洗压力及靶距条件下对涂层去除率的影响。通过Design Expert软件进行方案设计,拟合试验数据进行回归方程及建立响应面模型。研究结果表明:当移动速度为1mm/s、清洗压力为15MPa、靶距为208mm时涂层清洗效果最优,在80mm清洗轨迹上的清洗面积可达15.78cm2

Abstract: HT250 surface coating was removed by high-pressure waterjet.The decoating rates under different traverse speeds, cleaning pressures and target distances were studied by counting image pixels with Matlab. With the experiment scheme designed by the software Design Expert, the experimental data were fitted and the response surface models were built. The results show that the traverse speed of 1 mm/s, cleaning pressure of 15 MPa and the standoff distance of 208 mm are found to be the optimum. The decoating area along 80mm of cleaning trajectory can reach 15.78cm2.

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