The barrel and the channel of de-airing pug mill (DPM) were simplified as two parallel planes, and a series of different screw root radius and screw pitch were applied to establish a 3-D geometry model.
通过把真空练泥机的筒体及螺槽简化成2平行平面,采用不同的轴毂半径和节距尺寸,建立泥料在螺槽中运动的三维几何模型,在“动绞刀,静筒壁”的假设条件下,确定边界条件,运用有限元软件ANSYS,从数值模拟的角度来研究真空练泥机螺旋绞刀的轴毂半径、节距尺寸对泥料运动特性的影响,为真空练泥机的设计制造提供了理论依据,为改善挤出泥段的质量,最终提高可塑法成形陶瓷坯体的质量提供理论参考。
A simplified kinetic model has been established,according to the actual situation of the paste extrusion process in the De-airing Pug Mill.
根据真空练泥机中泥料挤出过程的实际情况 ,建立了泥料的简化运动模型。
Based on the part of the variable pitch,variable groove depth continuous screw of the model TCMD125A de-airing pug mill,establish the extrusive geometric model of paste in screw,and make numerical simulation of it.
以TCMD125A型真空练泥机变螺距、变槽深连续螺旋绞刀部分为研究对象,建立了泥料在绞刀中挤出的几何模型,并进行数值模拟。