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How does Tablet Coating Machine Work?

December 20, 2021

The working of a tablet Coating machine involves the selection of suitable materials.


This is dependent on the kind of tablets that you are using and the desired final coating process.


There are criteria that you can use to select the best coating materials.


The next step is the tablet spinning which involves putting the tablets in a drum and rotating it in an orbital way.


It is a continuous process where the streamlined plates control most of the operations.


As the drum spins, a nozzle sprays a coating solution to the tablets.


It is an automatic process that an operator controls using the controlling system.


This helps in ensuring there are accuracy and an even spray of the tablets.


Also, the angled baffles present in the drum turn the tables sideways facilitating even spraying of the tablets, while the spaying and rotation continue, the machine pumps hot air into the drum which results in the rapid coating of the solution.


The machine allows for the self-regulation of the hot air temperature that flows within it and the reason for this excess temperature can affect the chemical composition of the tablets.


The machine also regulates the pressure within the drum in line with that of the outside environment.


After all the tablets have a uniform coating, the spinning and spraying stop, the tablets then proceed to the drying section.

Here, air flows over the tablets and drying them.


There is regulation as to the volume of air that flows to ensure there is no reaction with the tablets. Once this is over, your tablets are ready for packaging.