The melt flow phenomenon of flat spiral type die had been studied by 3d numerical simulation.
对吹塑薄膜平面螺旋式模头内熔体流动现象进行了三维数值模拟。
The first level work for centrifugal, the second round of the work for the spiral type wheel two-level cantilever structure.
第一级工作轮为离心式,第二级工作轮为旋涡式的两级悬臂式结构。
Based on up-to-date design theory and method of spiral type cutting drum for a shearer, the authors apply fuzzy theory to optimum design of structural parameters of the drum.
And take use of spiral type of four position automatic switch cutter frame system.
采用螺旋型四工位自动转位刀架系统。
An automatic pipe bending and forming machine for a spiral type fluorescent lamp belongs to the technical field of mechanical devices for manufacturing fluorescent lamps.