Roll Compactor

Roll Compactor | Dry Granulation Machine

Roll Compactor (Dry Granulation)


Introduction

Looking for a high-performance Roll Compactor for dry granulation? Venus Machinery supplies GMP-grade roll compactors that convert fine powders into dense, uniform ribbons and granules—ideal for pharmaceutical, nutraceutical, chemical, and food applications. Our machines deliver consistent granule size distribution, better flow, and minimal fines—without using a wet binder.


Description

A Roll Compactor densifies powder between two counter-rotating rolls under controlled force to form a compacted sheet or ribbon. The ribbon is then milled and classified to achieve the desired granule size. Venus models feature precise force-feed systems, servo/variable-speed drives, and closed-loop pressure control for reproducible bulk density and yield—perfect for moisture/heat-sensitive formulations.


Applications and Benefits

Applications Benefits
  • Pharma & nutraceutical granulation before tablet compression/capsule filling
  • Chemicals: catalysts, pigments, fertilizers, detergents
  • Food & ingredients: dairy powders, herbal extracts, flavors
  • Metallurgy & ceramics: premix densification and dust control
  • Moisture- or heat-sensitive materials where wet granulation is unsuitable
  • Improved flowability, compressibility, and uniform bulk density
  • Binder-free dry process → lower energy, no drying stage
  • Reduced dusting and product losses; higher line OEE
  • Consistent particle size with adjustable gap/force settings
  • cGMP-compliant design for fast cleaning and lower downtime

Key Features of Roll Compactor

  • Hydraulic/pneumatic roll pressure control with inline load monitoring
  • Force-feed screw with variable speed for uniform roll nip charging
  • Interchangeable knurled/smooth rolls; precise gap adjustment
  • Integrated flake crusher & granulator with screen options
  • PLC–HMI controls, recipe management, alarms, and data logging
  • cGMP contact parts in SS 316/316L; tool-less dismantling for CIP/WIP

Where Roll Compactors Are Used

  • Pharmaceutical Plants: Dry granulation for tablets/capsules, scale-up from R&D to production
  • Chemical & Agro: Free-flowing granules for pigments, catalysts, fertilizers
  • Food & Nutraceutical: Herbal/plant-based extracts, vitamins, premixes with better flow

Why Choose Us?

Venus Machinery engineers robust Roll Compactors with stable roll pressure, accurate feed, and reliable sizing to maximize yield. Options include vacuum de-aeration, roll cooling/heating, ATEX-ready enclosures, and 21 CFR Part 11-enabled data logs. Our fast delivery and responsive service make us a preferred partner for dry granulation lines.


Uses & Importance

Dry granulation with a Roll Compactor eliminates the wetting and drying steps, saving time and energy while preserving heat-sensitive actives. It enhances blend uniformity, reduces segregation, and improves downstream compression efficiency. With repeatable densification control, our systems deliver consistent granules for high-quality tablets and capsules.


Manufacturer & Supplier Information

Venus Machinery is a trusted Roll Compactor manufacturer and supplier in India, offering R&D, pilot, and production-scale models. We support process development, validation protocols, and operator training, ensuring smooth technology transfer from lab to plant. Contact us for trials and customized configurations.

FAQs

1. What parameters primarily control granule quality?
Specific roll force (SRF), roll gap, roll surface, feed screw speed, and milling screen size collectively determine density and particle size distribution.
2. Can the machine handle poor-flow powders?
Yes. The force-feed screw and de-aeration improve powder charging into the roll nip for uniform ribbons even with low-bulk-density materials.
3. Is 21 CFR Part 11 data integrity supported?
Optional HMI packages include user access control, audit trails, electronic records, and batch reports for regulated environments.
4. What cleaning options are available?
cGMP design with quick-release contact parts enables dry/wet cleaning; WIP/CIP provisions and dust-tight covers are available.
5. How is scale-up handled from R&D to production?
Process parameters like SRF and throughput are correlated across sizes; recipe management helps transfer settings reliably.

Conclusion

Venus Machinery delivers dependable Roll Compactors for efficient dry granulation. Designed for reproducibility, fast changeovers, and compliance, our systems enhance flow, compressibility, and line productivity. Explore our models or consult our team for trials and selection support.


Contact Details

Talk to our specialists today for tailored solutions and fast assistance.

Company:

Venus Machinery

Phone:

+91 99746 08708

WhatsApp: Chat on WhatsApp
Address:

29, Sarovar Industrial Estate, Hathijan Circle, S.P. Ring Road, Vatva, Ahmedabad - 382445, INDIA


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