Tuesday, July 23

Pharmaceutical Applications & The Working Principle of Planetary Mixers

A planetary mixer is a multifunctional piece of equipment with attachments that rotate in a planetary motion to perform tasks like mixing and whipping. The mixing blades spin around the vessel’s axis and travel in the opposite direction to sweep the whole circle. A planetary mixer is a standing or vertical mixer in which the attachment (agitator) is rotated around a central axis. The term “planetary mixer” comes from the fact that this rotation is comparable to a planet’s orbit around the sun. This mixer is said to be perfect for mixing aggressive pastes in the pharmaceutical industry under both atmospheric and vacuum settings since it delivers intensive mixing with uniformity. The primary component of this mixer is the mixer bowl, which is highly detachable from the rest of the apparatus and can be used for a variety of tasks. The majority of doughs and batters are combined in it with little waste. It may be used to powder, granules, ointments, creams, galantine, and chemicals to blend liquid to liquid, liquid to solid, and solid to solid. Faster processing is made possible by the single or double planetary action and uniform mixing action.

Read More: centrifugal mixer

The principle of operation of the planetary mixer

Planetary mixers, which typically contain two or three multi-hinged blades, operate on a fairly basic concept. The substance flows around the inside cylinder and up and down when the paddles are rotating and revolutionizing simultaneously. This quickly creates a mixing action. The planetary mixer is especially useful for a variety of tasks, including mixing, kneading, polymerization, paste, and high viscosity, high density material dissolution.

In effect Mixing and blending are crucial processes in the pharmaceutical business. Their goal is to provide a medicinal product that is uniform. Multipurpose mixers are crucial for tasks including dissolving polymers, powders, and granular materials in liquid bases, mixing, emulsifying liquids, and suspending solids in liquids.


Blades of both single and double planets

A single base construction that facilitates simple mounting

Using an electric, gas, or oil pump, a manual or hydraulic lift

robust steel planetary gears that have been heat-treated and hardened

Many blade choices, such as a combination, stirrup, or vertical

Control panel made especially to restrict traverse motion and other aspects

High efficiency is achieved when the blades’ speed is controlled.

Pressure Used in Extrusion

accompanied by a disperser and wall scraper that work in tandem with the planetary agitator


They work so easily and provide proper mixing that aeration or bubble entrance is not necessary in this mixture. The process of mass shifting the components results in uniform mixing.

Both the amount of human labor and the amount of time needed to mix are decreased. Planetary mixes come in handy constantly since thicker materials and pastes are challenging to combine.

It is a favorite among all users due to its great efficiency and low maintenance costs. The total revenues rise when there is less need for costly preparations and mechanical assistance.

Using this mixer will result in a product with a better density as the vacuum removes any air and the thorough mixing improves the product’s component pliability.

One of the greatest tools is a planetary mixer, which efficiently combines all components upside down, leaving no ingredient unmixed.

Planetary mixers are adaptable pieces of equipment with low vibration and noise levels. In addition to ensuring safety, particularly when applied to pharmaceutical items, it also assures durability and an extended shelf life. It may be made to order, and the maker can control the mixing process with an operator box that has all the buttons and settings needed. It is unquestionably the greatest alternative for any mixer and should be regarded as a cost-effective one.