... 3, siemens motor 4, even mixing Dry mortar mixer, Cone mixer machine, Double cone screw mixer: video: www.1985blender.com/videoDSH2.html 1 ... , Working Principle:The screws of the Vertical Double Screws Mixer are rotating along the self-axes meanwhile revoluting along the ... centrifugal forces effect.d, upgraded material fall down because of gravity, the materials move up and down , and inter-diffuse, ...