Weight loss feeders are suitable for plastics, powders, calcium carbonate, talcum powder, resin film powders, flours, starches, etc., where different raw materials are used. However, the use of a long time, weight loss feeder failure is inevitable, such as loss of weight feeder is one of the common faults. So, what are the reasons for loss of gravity feeders ? How to solve it? Solution: 1. For longer single-tube screw feeders , a gradually increasing pitch can be adopted to prevent the feeder fr