Laboratory Pulverizer
Vibratory Superfine Grinder for Ultra Fine Laboratory Powder Milling
Item Number: PP-SL39
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Product Overview
This vibratory superfine grinder is a high-frequency, low-amplitude milling system engineered for the production of ultra-fine powders. By utilizing an eccentric drive mechanism, it generates intense vibration that propels grinding media inside a sealed chamber, subjecting materials to repeated impact, compression, and shear forces. The result is exceptional particle size reduction down to the submicron range, with outstanding uniformity and process repeatability. Its integrated water cooling and soundproof enclosure make it a quiet, thermally stable solution for demanding laboratory environments.
Primary applications span research and development, pilot-scale trials, and small-volume production within material science, ceramics, pharmaceuticals, chemical engineering, and advanced materials sectors. The system handles a diverse array of materials, including minerals, oxides, carbides, nitrides, and composite powders. Operators appreciate the straightforward batch processing, which simplifies cleaning between runs and ensures zero cross-contamination when changing materials.
Built around a rugged frame, premium German INA bearings, and precision-machined components, this grinder delivers reliable round-the-clock operation. The water-cooled chamber protects heat-sensitive samples, while the electromagnetic braking system and text-display controller provide safe, user-friendly operation. Designed for laboratories where consistency and durability are non-negotiable, the equipment meets rigorous purity and noise-level standards.
Key Features
- High-Frequency Vibration Milling: The eccentric drive generates a precisely controlled high-frequency, low-amplitude vibration that accelerates grinding media to intense speeds. This creates powerful impact, compression, and shear within the chamber, effectively pulverizing hard, brittle, and even fibrous materials into ultra-fine powders with minimal thermal degradation.
- Large 25-Liter Grinding Chamber: With a total volume of 25 liters and a recommended material charge of up to 4.5 liters, this batch mill balances capacity with process control. Depending on material grindability, average throughput ranges from 5 to 15 kilograms per hour, making it suitable for both R&D scale-up and small contract processing.
- Ultra-Fine Output Range: Achieves a median particle size (D50) from 300 to 3000 mesh (approximately 50 to 5 microns), with D97 consistently above 300 mesh. This wide adjustable range accommodates nano-particle research, pharmaceutical micronization, and fine ceramic powder preparation.
- Precision Bearings from INA, Germany: The main shaft is supported by high-precision INA bearings, renowned for their longevity and low maintenance under high-speed, high-load conditions. These bearings ensure smooth vibration transmission and extend the overall service life of the mill.
- Integrated Water Cooling System: A closed-loop water circulation system continuously removes frictional heat from the grinding chamber. This maintains low processing temperatures, preserving the chemical integrity of heat-sensitive materials and preventing agglomeration during extended milling cycles.
- Electromagnetic Braking System: The YEJ electromagnetic brake provides rapid, controlled stopping of the vibrating assembly, reducing idle time and enhancing operator safety. The brake engages immediately upon power interruption, preventing uncontrolled coasting.
- Soundproof Enclosure: A double-layer stainless steel acoustic cover significantly reduces operating noise, enabling the grinder to be used comfortably in open-plan laboratories without specialized acoustic rooms. The enclosure also protects operators from dust and moving parts.
- User-Friendly Digital Control: A text-display interface allows intuitive setting of vibration time, cooling parameters, and cycle counts. Process data can be monitored at a glance, supporting standard operating procedures and GLP compliance.
- Food-Grade Stainless Steel Grinding Media: All media and contact parts are fabricated from 304 stainless steel, ensuring no heavy-metal contamination. This makes the system suitable for food, pharmaceutical, and high-purity material processing.
- Robust Batch Processing Design: The modular chamber and simple loading/unloading procedure enable quick turnaround between batches. Easy cleaning and material changeover minimize downtime in multi-user or multi-project facilities.
Applications
| Application | Description | Key Benefit |
|---|---|---|
| Nano-Material Research | Grinding of ceramic precursors, oxides, and composites for nanoparticle synthesis in material science. | Consistent submicron particle size improves sintering activity and final product properties. |
| Pharmaceutical Micronization | Ultra-fine milling of active pharmaceutical ingredients (APIs) to enhance dissolution rate and bioavailability. | Low-temperature processing maintains drug stability and prevents polymorph conversion. |
| Battery Material Preparation | Size reduction of cathode powders (e.g., NMC, LFP) and anode graphite for lithium-ion cell prototype batches. | High purity and uniform particle shape contribute to electrode homogeneity and electrochemical performance. |
| Advanced Ceramic Processing | Preparation of finely milled alumina, zirconia, or silicon carbide powders for dry pressing or slip casting. | Narrow particle size distribution leads to higher green density and reduced sintering defects. |
| Pigment Dispersion | Wet or dry grinding of pigments for inks, paints, and coatings to achieve full color development and stability. | Uniform dispersion eliminates streaks and reduces flocculation in final formulations. |
| Food & Nutraceutical Grinding | Ultra-fine processing of herbs, spices, and nutritional supplements to increase surface area and blend uniformity. | 304 stainless steel construction meets food safety standards and prevents metallic contamination. |
| Catalyst Preparation | Size reduction of catalyst supports and active metals for heterogeneous catalysis research. | Reproducible particle size control ensures consistent catalytic activity in test reactors. |
| Geological Sample Preparation | Fine grinding of rock, mineral, and ore samples for XRF or ICP analysis in mining and geochemistry labs. | Homogeneous, fine powders improve analytical accuracy and reduce matrix effects. |
Technical Specifications
| Parameter | Value |
|---|---|
| Product Code | pp-sl39 |
| Mill Chamber Volume | 25 L |
| Single Feed Capacity | 4.5 L |
| Average Output | 5–15 kg/h |
| Finished Particle Size | D50: 300–3000 mesh; D97 ≥ 300 mesh |
| Installed Power | 3 kW / 380 V |
| Main Bearing | INA (Germany) |
| Working Mode | Batch |
| Cooling System | Water circulation cooling |
| Braking System | YEJ electromagnetic brake |
| Control System | Text display controller |
| Grinding Media Material | Food-grade stainless steel (304) |
| Sound Insulation | Double-layer stainless steel enclosure |
| Dimensions (L×W×H) | 1450 × 950 × 1680 mm |
| Weight | 870 kg |
Why Choose This Product
- Proven Long-Term Reliability: From the German-engineered main bearings to the heavy-duty welded frame, every component is selected for durability. Thousands of operating hours in industrial labs attest to the grinder’s consistent performance with minimal maintenance.
- Precision Thermal Management: The integrated water cooling loop effectively dissipates heat, preventing sample degradation and allowing continuous operation without thermal drift. This is critical when processing temperature-sensitive pharmaceuticals or polymers.
- Uncompromised Purity: Food-grade 304 stainless steel throughout the product contact zone eliminates the risk of iron or chromium contamination, making the system ideal for high-purity applications and meeting stringent FDA or GMP material requirements.
- Quick Batch Turnaround: The batch design, combined with electromagnetic braking and a streamlined discharge process, enables rapid cycle times. Cleaning and material changeover can be completed in minutes, maximizing productivity in multi-project environments.
- Customization & Expert Support: We offer specialized grinding media (e.g., zirconia, tungsten carbide), custom chamber coatings, and process consultation to tailor the solution to your specific material challenges. Our dedicated service team ensures prompt technical support and spare parts availability worldwide.
Contact us today to request a quote or discuss how this vibratory superfine grinder can be customized for your unique application.
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