Screw Feeder

1. It is possible to perform loss-in-weight weighing, constant feeding and batch weighing after mounting the entire screw feeder onto the platform scale.For predictive control, it is possible to conduct even more stable weighing using the AD4545 Model Predictive Feeder Controller than other PID controllers.

2. By adding delivery screw feeder 2 to screw feeder 1, during weighing using constant feeding, the AD4545 can perform continuous feeding of powder particles using constant feeding from screw feeder 1 even while delivery is occurring from delivery feeder 2.

3. Normal batch weighing using an Electric Balance and Screw Feeder It is necessary to customize the AD4545 software that will perform feeder control using the weighing values after receiving weighing data from the electric balance.



screw conveyors and feeders are particularly useful where space is limited, accuracy is important and where the bulk material being handled is dusty or hazardous.Pivoted Weigh Screw Conveyors and Weigh Screw Feeders meet the need where a fully enclosed, dust-tight system is required, and existing infrastructure limits the suitability of other weighing solutions. These weigh screw feeders and conveyors are very similar in function to a fully enclosed Weigh Belt Feeder or Weigh Belt Conveyor.Pivoted Weigh Screws provide acost-effective, dynamic weighing solution where existing space is limited.Engineered to suit, this dynamic weigher will deliver high accuracy outcomes for monitoring or controlling bulk material flow rates.


Pivoted Weigh Screw Conveyors and Feeders can be customised to suit many applications. In an application where continuous weighing or batching mode is required, the Pivoted Weigh Screw is fitted with an WS401V controller. Where increased functionality and flow rate control is required, an WS401i controller is fitted. The WS ModWeigh display is highly customisable, readily allowing the display to be configured to suit the application.Batching systems E.g. loading containers from a hopper using a pivoted weigh screw system to deliver a desired batched amount. Flowrate Control systems E.g. controlling product discharge from a feed hopper using the pivoted weigh screw to feed product into the process stream.For application like pulvarised coal, lime, etc.
with large bunker openings, screw feeder is used for accurately regulating material feed in to the weighfeeder infeed hopper. Screw feeder consists of a tubular trough section with screw flight, single or twin agitator for flow assistance and a drive assembly. The length and diameter of the screw varies with application and capacity.

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