Powder filling machines are used in various industries to fill different types of powders, such as spices, flour, milk powder, and pharmaceutical powders, into containers or bags. These machines use different types of filling principles depending on the nature of the powder being filled and the type of container being filled. But do you know the working principle of powder filling machines.

1. Gravity filling

Gravity filling is one of the most common types of powder filling used in the industry. In this principle, the powder flows down from a funnel into the container due to gravity. The machine has a hopper that holds the powder, and a funnel that dispenses the powder into the container. The funnel is attached to a tube that can be adjusted to control the flow of the powder. The container is placed on a platform to fill the container with the desired amount of powder. Once the container is filled, it is removed, and the process is repeated for the next container.

2. Auger filling

Auger filling is another popular method used in powder filling machines. In this principle, a rotating screw-like blade (auger) is used to move the powder from the hopper into the container. The auger is located in a tube, and the tube is positioned above the container. The auger is rotated by a motor, and the speed of the motor can be controlled to adjust the fill volume. The diameter and pitch of the auger are also adjusted based on the type of powder being filled. Once the container is filled, it is removed, and the process is repeated for the next container.

3. Vacuum filling

Vacuum filling is used for filling fine powders, such as talcum powder, that cannot be filled using gravity filling or auger filling. In this principle, a vacuum is applied to the container, which causes the powder to flow from the hopper into the container. The hopper is located above the container, and the powder is fed into the container through a tube. The vacuum is created by a vacuum pump, and the pressure can be adjusted to control the fill volume. Once the container is filled, the vacuum is released, and the container is removed.

Powder filling machines use different types of filling principles depending on the type of powder being filled and the type of container being used. Gravity filling, auger filling, and vacuum filling are the most common principles used in the industry. These machines are efficient and accurate, and they help to increase productivity and reduce labor costs in various industries.