Pharmaceutical Multi Mill

Description

Pharmaceutical Multi Mill is a versatile, self-contained portable unit used for high-speed size reduction, granulating, pulverizing, mixing, shredding, and chopping of wet and dry materials in pharmaceutical manufacturing, particularly for processing granules and powders to achieve uniform particle sizes. It operates on the principle of variable force swing beaters with knife and impact edges rotating at high speeds within a selected screen to control particle reduction through impact, cutting, and sieving mechanisms. Materials are fed into the hopper, where high-speed rotating beaters impact and cut the particles inside a cylindrical sieve. Desired-size particles pass through the screen by impact in air, while larger ones are recirculated or retained for further reduction; output is collected at the discharge. Speed and screen size are adjusted for precise control, enabling wet/dry granulation and pulverization without special attachments.

May produce wider particle size distribution for fine grinding; less effective for very hard materials without adjustments.
Potential screen wear, clogging, or heat buildup in prolonged use; requires careful speed/screen selection to avoid over-processing.

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Salient Features of Pharmaceutical Multi Mill

Compact GMP Model.
Suitable for dry and wet granules.
All contact parts are made out of SS304 quality material.
Castor wheel provided for the ease of mobility.
Sieves available in sizes of 0.5 to 12mm hole diameter.
12 numbers of beaters with knife edges & impact edges & 02 nos. scrapper blades.
In GMP Model complete body cladded with SS304 and polished to the matt finish & in Standard Model excluding product contact parts, all other parts made out of C.I. or M.S. and colored.

Machine rated for continuous operation.
Higher output with process uniformity.
All contact parts can easily be dismantled and cleaned for change of product.
Wide range of SS perforated screens available
Machine portable on castor wheels.
Reversible direction of blade rotation.
Different size of screen / speed / number of blade / directions of rotation of blade can be selected.

Working Principle of Pharmaceutical Multi Mill

Unit consists of S.S 316 AISI quality material rotor fitted with 8 Nos. SS blades knife/impact edge having swing action and 2 Nos. scrapper blades. Rotor assembly fitted on SS shaft with suitable bearing. Other end of the shaft directly coupled with suitable H.P./3 PHASE/415V/60CS/2800 RPM flange mounting type motor through love jaw coupling. The speed variation will be achieved through A.C. Frequency drive unit with selected 4 speeds of i.e., 2800RPM/2200RPM/1600RPM/800RPM.

S.S Charging hopper with slide plate arrangement to control the material feed rate. S.S Screen with hold plate is provided to get desired size of granules. S.S discharge hopper with necessary holding arrangement. Drive unit supported on S.S column with S.S base plate fitted with PU castor wheels to achieve portability.

Technical Specification of Pharmaceutical Multi Mill

Model	MM-100	MM 200	MM-500
Production Output	Up to 100 Kgs. / Hour.	Up to 200 kgs./hour	Up to 500 Kgs. / Hour.
Rotor assembly diameter	150 mm Approx.	250 mm (approx.)	350 mm Approx.
Rotor Speed	750 / 1500 / 2300 / 3000 RPM	750 / 1500 / 2300 / 3000 RPM	750 / 1500 / 2100 / 3000 RPM
Beaters	12 knife & impact edges & 2 scrapper blades	12 knife & impact edges & 2 scrapper blades	12 knife & impact edges & 2 scrapper blades
Screen dimensions approx.	Inner Diameter 160 mm	Inner diameter – 260 mm	Inner diameter – 350 mm
	Height 135 mm	Height – 135 mm	Height – 200 mm

Motor	1 H. P., 1440 RPM, 440 Volts, 3 Phase, 50 Hz.	3 H. P., 1440 RPM, 440 Volts, 3 Phase, 50 Hz.	5 H. P., 1440 RPM, 440 Volts, 3 Phase, 50 Hz.
Starter	DOL Starter with reversible switch	DOL Starter with reversible switch	VFD Panel
Material Charging Height	1250mm	1445 mm approx.
Net Weight	80 Kgs. approx.	250 Kgs. approx.	Variable as required by client
Gross weight	150 Kgs. approx.	400 kgs. approx.	300 Kgs. approx.
Overall Dimensions approx. (LXWXH)	850mm x 950mm x 1630mm	870mm x 965mm x 1630mm	450 Kgs. approx.
Case Dimensions approx. (LXWXH)	1200mm x 1500mm x 1860mm	1200mm x 1550mm x 1860mm

* Power voltage can be adjusted as per customer’s domestic power voltage requirements.
* Rights of technical improvements & modification reserved.
* Illustrations & dimensions are shown for information purpose only.

Types of Mixer, Blender and Dryer

Multi Mill

Octagonal Blender

Double Cone Blender

V Cone Blender

Ribbon Blender Mixer

Tray Dryer

Vibro Sifter

Rapid Mixer Granulator

Jacketed Mixing Vessel

Heavy Duty Toothpaste Mixer

Applications of Mixer, Blender and Dryer

Advantages of Pharmaceutical Multi Mill

Versatile for multiple operations with controlled particle size distribution and high throughput.

Compact, portable, easy to clean/operate, low maintenance, and suitable for heat-sensitive materials with minimal heat generation.

GMP/FDA-compliant, enhances uniformity, dissolution, and bioavailability in formulations.

Key Features of Pharmaceutical Multi Mill

The multi mill features a compact, sturdy design compliant with cGMP standards, with all product-contact parts made from stainless steel for corrosion resistance, easy cleaning, and hygiene. Key components include:

Beater assembly: Variable force swing beaters with knife/impact and scraper blades for versatile processing.

Screen/sieve: Interchangeable perforated screens inside the hopper to regulate particle size output.

Hopper and discharge: Hopper for feeding materials; discharge chute for collecting output, often with poly bag attachment.

Drive system: Motor, gearbox, and V-belt/pulley for speeds of 720-2880 RPM; direction adjustable.

Safety features: Transparent guard with interlocking system, castor wheels for mobility, and optional dust collection. Models range from lab-scale (1 HP) to production sizes, with noiseless, maintenance-free operation.

FAQ for Pharmaceutical Multi Mill

What is a Pharmaceutical Multi Mill and what is it used for?

A Pharmaceutical Multi Mill is a versatile, high-speed size reduction machine used for granulating, pulverizing, mixing, shredding, and chopping wet and dry materials. It is widely applied in tablet and capsule manufacturing for achieving uniform particle size distribution, improving flowability, dissolution rates, and blend uniformity of APIs, excipients, granules, and herbal powders.

How does a Pharmaceutical Multi Mill work?

Material is fed through the hopper into the milling chamber. High-speed rotating beaters (with knife and impact edges) combined with scraper blades subject the material to impact, shearing, and cutting forces. The processed particles then pass through interchangeable perforated screens (0.5 mm to 12 mm), while oversized particles are recirculated until they achieve the desired size. Rotor direction is reversible for optimized performance.

What are the main advantages of using a Multi Mill in pharmaceutical production?

Key advantages include high output with excellent process uniformity, versatility for wet and dry granulation, minimal heat generation (suitable for heat-sensitive materials), easy cleaning and quick product changeover, compact portable design on castor wheels, and full cGMP compliance with SS304/SS316 contact parts. It enhances bioavailability and tablet quality while reducing fines.

What capacities and models are available for the Pharmaceutical Multi Mill?

We offer models with outputs ranging from lab-scale to production:

MM-100: Up to 100 kg/hour (1 HP)
MM-200: Up to 200 kg/hour (3 HP)
MM-500: Up to 500 kg/hour (5 HP) Variable rotor speeds (750–3000 RPM) and customizable options are available to suit different batch sizes and requirements.

How easy is it to clean and maintain the Multi Mill for GMP compliance?

The machine is designed for easy disassembly — all contact parts (hopper, screen, beaters, discharge) can be quickly removed without tools. Mirror-polished stainless steel surfaces and the absence of dead corners minimize residue. It supports fast cleaning and sterilization, making it ideal for frequent product changeovers and regulatory audits.

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