Quadro U5 Comil Cone Mill
| Brand | Quadro |
|---|---|
| Origin | Canada |
| Model | U5 Comil |
| Motor | 0.55 kW (3/4 HP) |
| Max Speed | 6500 rpm |
| Throughput | 50 g/hr – 150+ kg/hr |
| PSD (D50) | 150–300 µm |
| PSD (D90) | 300–2000+ µm |
| Design | Gapless conical mill architecture |
| Operation Modes | Dry and wet milling, granulation sizing, deagglomeration |
| Compliance | Designed for GMP-compliant pharmaceutical manufacturing environments |
Overview
The Quadro U5 Comil is a precision-engineered conical mill designed for scalable, reproducible particle size reduction, granule sizing, and deagglomeration in regulated pharmaceutical, nutraceutical, food, and fine chemical manufacturing. Operating on the principle of controlled shear and impact within a gapless conical rotor–stator geometry, the U5 delivers consistent particle size distributions (PSD) without mechanical clearance adjustment—eliminating operator-dependent variability and ensuring process robustness across development, pilot, and commercial-scale operations. Its compact footprint and modular head design support rapid reconfiguration between five distinct milling/sieving configurations, enabling method transfer from early-stage formulation screening to final process validation. The U5 is routinely deployed downstream of high-shear wet granulators and fluid bed dryers, serving as a critical unit operation for achieving target granule morphology, flowability, and compressibility prior to tableting or capsule filling.
Key Features
- Gapless conical mill architecture ensures repeatable PSD without manual gap calibration or wear-induced drift.
- Intelligent head recognition system automatically configures optimal speed range based on installed rotor, screen, and impeller configuration.
- Scalable throughput from 50 g/hr (R&D scale) to >150 kg/hr (pilot/commercial), supporting seamless technology transfer from SLS multifunctional lab systems.
- Low-heat generation design minimizes thermal degradation risk for thermolabile APIs and excipients.
- High product recovery (>95%) reduces material loss and cross-contamination potential—critical for potent compound handling and cleaning validation.
- Compatible with both dry and wet feed streams, including post-wet-granulation sizing and post-fluid-bed drying conditioning.
- Modular screen and impeller options enable precise control over D50 (150–300 µm) and D90 (300–2000+ µm) targets across diverse material classes.
Sample Compatibility & Compliance
The U5 Comil processes a broad spectrum of materials—including cohesive, fibrous, brittle, and hygroscopic substances—without requiring pre-drying or extensive preconditioning. It accommodates feed masses as low as 5 g for formulation development while maintaining statistical representativeness and minimal product hold-up. All wet-contact surfaces are constructed from electropolished 316L stainless steel, compliant with ASME BPE and FDA CFR 21 Part 211 requirements. The system supports full GMP documentation packages, including IQ/OQ protocols, material traceability records, and surface finish verification reports. Optional containment solutions meet ISO 14644-1 Class 5 (A/B) standards for handling cytotoxic and highly potent active pharmaceutical ingredients (HPAPIs).
Software & Data Management
While the U5 operates via an intuitive local HMI with password-protected parameter sets, it integrates seamlessly with supervisory control systems (SCADA/MES) through standard 4–20 mA and Modbus RTU interfaces. Critical process parameters—including rotational speed, run time, batch ID, and head identification—are logged with timestamped audit trails compliant with FDA 21 CFR Part 11 and EU Annex 11 requirements. Data export formats include CSV and XML for integration into LIMS and electronic batch record (EBR) platforms. Optional Ethernet/IP connectivity enables remote diagnostics and predictive maintenance alerts based on motor current profiling and thermal signature analysis.
Applications
- Downstream sizing of wet granules following high-shear granulation—improving bulk density and tablet tensile strength.
- Final dry sizing of fluid bed–dried granules to eliminate fines and enhance flow consistency.
- Deagglomeration of spray-dried powders and milled API batches prior to blending.
- Rapid PSD optimization during formulation development using minimal material (≤5 g).
- Processing of heat-sensitive compounds—including probiotics, peptides, and enzyme-based actives—where low-temperature operation is essential.
- Supporting continuous manufacturing lines when paired with gravimetric feeders and inline NIR monitoring.
FAQ
Can the U5 Comil be used for sterile API processing?
Yes—the U5 can be supplied with fully validated clean-in-place (CIP) and steam-in-place (SIP) capabilities, integrated into isolator or RABS environments meeting ISO 14644-1 Class 5 air quality specifications.
How does the U5 ensure scalability from lab to production?
Its geometric similarity to larger Comil models (e.g., U10, U30), combined with fixed rotor–stator aspect ratios and dimensionless operating parameters (e.g., tip speed, specific energy input), enables direct linear scale-up validated per ICH Q5A and Q8(R2) principles.
Is the U5 compatible with regulatory submissions?
Yes—Quadro provides comprehensive technical documentation packages supporting CMC sections of IND, NDA, and MAA filings, including material compatibility studies, cleaning validation templates, and mechanical qualification reports.
What maintenance intervals are recommended for GMP operation?
Preventive maintenance is scheduled every 500 operational hours or quarterly—whichever occurs first—with documented torque verification, bearing inspection, and screen integrity testing per ASTM E11 and ISO 3310-1 standards.

