Buoyancy puffing material cracking phenomena appear bubble w
DATE：2016/06/24
Buoyancy puffing feed cracking phenomena appear bubble water for about 5 minutes.
(1) in the case of low starch content, extrusion machine of screw configuration and conditioning conditioning uniformity becomes very important.In the case of not change formula, can adjust the conditioning device for steam, water, mixing materials, this is for puffed materials is one of the best conditioning effect, non quenched and tempered the longer, the better.
(2) the design of extrusion machine screw configuration and arrangement of ideas for material and soft inside the machine by the uniformity is important.
(3) in the design of the template discharging period, the discharging section length for material forming also have influence, while the focus is to consider how to find the expansion coefficient and low starch formula of parallel to the point.Find the parallel point, solve the problem.
(4) check the screw of wear degree, reduce material flow phenomenon.
(5) after repeated adjustment of equipment and technology, should also do more testing, validation puffed equipment is to the best performance.
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