The paper has made an analysis to the asphalt loss and its evaluation principle in drum asphalt concretemixer, and given out the checking criteria.
本文对滚筒式沥青混凝土搅拌设备沥青损失及评价机理进行了分析，并给出检测条件。
2
This article mainly introduces a program of calculating the spiral vanes in the drum of concretemixer truck, and gives a detail explanation about the program's input, output and functions.
介绍混凝土搅拌输送车搅拌筒内螺旋叶片的设计计算程序，并对程序的输入、输出及功能做了详细的说明。
3
Making use of the points measured on the drum helical curve of concrete-mixer truck, the helical Angle formula of the helical curve is obtained by means of least square method.