Volumetric Fedeer

Volumetric Dosage: What Is It? How Does It Work?
The most distinctive difference from gravimetric dosing is the absence of weighing within the process. Instead of gram control, there is a feeding screw rotating at a constant speed.
At the beginning of the project, a feeding screw is designed based on the material density and the desired feeding amount (kg). Then, based on the density, the calculation is made for "how much weight a screw step will provide in a given time," and the system operates at a constant speed accordingly.
Because the speed is constant, even small differences in material density affect the feeding amount. This results in rough weighing (It operates at an approximate accuracy of 10%, whereas this rate is around 0.2% in gravimetric dosing).
The cost of volumetric dosing is lower compared to gravimetric dosing, which is generally the most significant reason for its preference.
It is an older method compared to gravimetric dosing, and therefore, it is more widely known.
IN CONCLUSION: Gravimetric dosing is a new and precise method. Since continuous weighing takes place, the feeding amount is constantly monitored and adjusted. In processes where precision and raw material consumption are crucial, gravimetric dosing should undoubtedly be preferred.