The automatic screw feeder using to move the powder products like 3 in 1 coffee, milk powder, the small granules like sugar and salt from the hopper of the Feeder to the upper hopper over the machine.
It feeds the machine automatically because it is connected with the machine and there is a sensor on the hopper of the machine which sends signals to the feeders when the product became low level and stops feeding when the hopper is full.
The automatic screw feeder will help you to empty your product easily and save time because there is no need to fill the hopper many times in a short period. The automatic feeder usually is bigger than the machine hopper around 5 or 6 times from the hopper of the machine.
If you don’t need to get the automatic feeder with the machine you can feed the machine manually or you can install a special system in your facility.