Heavy Duty Multi Mill

Q: What are the technical specifications and capacity of the Heavy Duty Multi Mill?

The standard model (MM-500) offers: Production Output : Up to 500 kg/hour Motor : 5 HP, 1440 RPM, 3 Phase Rotor Speed : 750 / 1500 / 2100 / 3000 RPM (variable) Beaters : 12 knife & impact edges + 2 scrapper blades Screen : 0.5 mm to 12 mm perforated screens It is compact, portable, and suitable for large-scale production.

Description

Heavy Duty Multi Mill is a robust, semi-automatic pharmaceutical machine engineered for high-speed size reduction, wet and dry granulation, pulverization, milling, shredding, and chopping of tough materials in demanding industrial environments, ensuring precise particle control without excessive heat buildup. It adheres to GMP standards with stainless steel construction for hygiene and durability in continuous, large-scale operations.

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Salient Features of Heavy Duty 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 Heavy Duty Multi Mill

The Heavy Duty Multi Mill operates on the principle of variable force swing beaters with both knife and impact edges rotating at high speed within a selected perforated screen. This enables efficient size reduction, granulation, pulverization, mixing, shredding, and chopping of a wide range of wet and dry materials.

Step-by-Step Process:

Material Feeding The raw material is fed through the stainless steel hopper (with slide plate for feed rate control) into the milling/processing chamber.

Size Reduction Inside the chamber, a high-speed rotor fitted with 12 beaters (knife/impact edges) and 2 scrapper blades rotates rapidly (typically 750 to 3000 RPM). The swinging beaters subject the material to impact, shearing, cutting, and attrition forces.
- Knife edges are used for cutting and slicing.
- Impact edges (hammer action) are used for crushing and pulverizing.

Screening & Particle Separation The processed material is thrown towards the periphery and passes through the interchangeable perforated screen (available in sizes from 0.5 mm to 12 mm). Only particles that reach the desired size exit the screen radially and tangentially. Oversized particles continue to be processed until they pass through.

Discharge The finely reduced material is collected in a container or bin placed below the discharge hopper.

Technical Specification of Heavy Duty Multi Mill

Model	MM-500
Production Output	Up to 500 Kgs. / Hour
Rotor assembly diameter	350 mm Approx
Rotor Speed	750 / 1500 / 2100 / 3000 RPM
Beaters	12 knife & impact edges & 2 scrapper blades
Screen dimensions approx.	Inner diameter – 350 mm Height – 200 mm
Drive Motor	5 H. P., 1440 RPM, 440 Volts, 3 Phase, 50 Hz.
Starter	VFD Panel
Material Charging Height	Variable as required by client
Net Weight	300 Kgs. approx.
Gross weight	450 Kgs. approx.

* 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.

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Advantages of Heavy Duty Multi Mill

Enhanced durability for prolonged, high-volume runs compared to standard models, reducing downtime and maintenance.

Flexible beater reversal and screen options optimize for wet/dry or tough materials, yielding uniform particle distribution.

GMP-compliant with low noise, dust-free operation, and quick setup.

Cost-effective with 1-year warranty, versatile voltage, and export-ready design for global scalability.

Key Features of Heavy Duty Multi Mill

Operation: Employs variable force swing beaters with reversible knife and impact edges rotating at speeds up to 3000 RPM within a cylindrical screen for customizable particle sizes; material feeds via hopper, processes radially/tangentially, and discharges below for efficient flow.

Material: Product-contact parts in SS 316 for corrosion resistance and sterilization; non-contact parts cladded in SS 304; optional VFD for speed control in direct-drive models.

Design: Sturdy build for heavy-duty use, with safety features like reversible switches, DOL starters, overload protection, emergency stops, and castor wheels for mobility; easy disassembly for thorough cleaning to minimize cross-contamination.

Capacity: Output of 50-200 kg/hr, powered by 3-5 HP motors; compact footprint for production line integration.

FAQ for Heavy Duty Multi Mill

What is a Heavy Duty Multi Mill and what is it used for?

The Heavy Duty Multi Mill is a robust, high-speed size reduction machine designed for demanding industrial applications. It excels at granulating, pulverizing, milling, shredding, and chopping both wet and dry materials, especially tough or high-volume batches. It is widely used in Pharmaceutical, Ayurvedic, Herbal, Nutraceutical, Biotech, and Cosmetic industries for processing APIs, excipients, granules, and herbal powders while maintaining GMP standards and precise particle size control.

How does the Heavy Duty Multi Mill work?

Material is fed through the stainless steel hopper into the milling chamber. A high-speed rotor (750–3000 RPM) fitted with 12 swing-type beaters (knife & impact edges) and 2 scrapper blades subjects the material to impact, shearing, cutting, and attrition forces. The processed particles pass through interchangeable perforated screens (0.5 mm to 12 mm). Oversized particles continue milling until they reach the desired size. The blade rotation is reversible for better performance.

What are the key advantages of the Heavy Duty Multi Mill?

Enhanced durability for continuous high-volume operation with reduced downtime
Higher output and excellent process uniformity for tough materials
Versatile for wet and dry granulation with minimal heat generation
Full GMP compliance with SS 304/SS 316 contact parts
Easy mobility on castor wheels and quick product changeover
Reversible beater direction and multiple screen/speed options for flexibility.

What are the technical specifications and capacity of the Heavy Duty Multi Mill?

The standard model (MM-500) offers:

Production Output: Up to 500 kg/hour
Motor: 5 HP, 1440 RPM, 3 Phase
Rotor Speed: 750 / 1500 / 2100 / 3000 RPM (variable)
Beaters: 12 knife & impact edges + 2 scrapper blades
Screen: 0.5 mm to 12 mm perforated screens It is compact, portable, and suitable for large-scale production.

How easy is it to clean and maintain the Heavy Duty Multi Mill?

Very easy. All contact parts (hopper, screen, beaters, and discharge) can be quickly dismantled without tools. The mirror-polished stainless steel surfaces, absence of dead corners, and simple design minimize residue buildup. This enables fast, thorough cleaning and sterilization, making it ideal for frequent product changeovers and strict GMP compliance.

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