三维打印成形粉末的均匀试验设计研究

利用带限制的混料均匀方法对三维打印成形的粉末配方进行试验设计.对试验数据进行多元非线性回归分析,验证了石膏基粉末中各个成分对三维打印成形制件的影响规律.结果表明,粉末中石膏含量是影响制件密度的关键因素,而聚乙烯醇则可以显著提高制件的表面质量,减小尺寸变形量,白碳黑和聚乙烯醇的交互作用对制件密度和尺寸变形量也有一定的影响.

Application of uniform design method in research of three dimensional printing's powder

Method of uniform design with restricted mixtures was used to design the experiments of powder mixtures for three dimensional printing.According to the experiments data,multi-variables nonlinear regressions were put to use,and the influencial behavior of three dimensional printing's product to the different gypsum based powder's mixtures was validated.The experimental results indicate that gypsum is the key influencial factor on the density of the products;polyvinyl alcohol can improve the product's surface quality and reduce its deformation;meanwhile,the interaction between white carbon black and polyvinyl alcohol has some influence on the density and deformation of the product.