Sand & Bead Mills
Laboratory Sand Mill Grinding Dispersing Machine for Wet Particle Size Reduction
Item Number: PP-SBM03
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Product Overview
This laboratory sand mill is a high-performance wet grinding and dispersing system designed for fine particle size reduction and homogenization in small-batch processing. It operates by rotating a shaft-mounted sanding disc inside a grinding jar filled with grinding media, creating intense shear and impact forces that efficiently break down particles to the sub-micron range. The combination of sanding and dispersing functionality in a single unit eliminates the need for separate equipment, saving bench space and simplifying workflows.
Ideal for R&D and quality control laboratories, the equipment serves a broad spectrum of industries including paints, inks, coatings, advanced ceramics, battery materials, phosphors, and nanomaterials. Researchers can precisely adjust rotational speed and select from various jar volumes and liner materials to simulate production conditions and scale up with confidence. Its ability to process both low-viscosity suspensions and high-viscosity pastes makes it a versatile asset for formulation development.
Designed for reliability under demanding conditions, this system incorporates a robust cooling jacket that continuously removes heat generated during milling, preserving the integrity of heat-sensitive samples. The quick-change clamp mechanism allows operators to switch stirrer assemblies or switch between sanding and dispersing modes in seconds, minimizing downtime. Every component is engineered for long-term durability, backed by our rigorous quality standards, ensuring that the mill delivers consistent, reproducible results day after day.
Key Features
- Simple and Intuitive Operation: The straightforward design allows easy handling and quick setup, reducing the learning curve for laboratory personnel. The intuitive controls ensure that even novice operators can start processing within minutes, accelerating project timelines.
- Quick-Change Stirrer Clamp: A fast-release chuck enables swift exchange of the agitator assembly, minimizing downtime between processing different materials. The mechanism ensures secure locking during high-speed operation, eliminating vibration-related inconsistencies.
- Integrated Cooling Jacket: The double-walled grinding jar permits continuous cooling during operation, protecting heat-sensitive samples and maintaining product integrity. Inlet/outlet ports for coolant circulation effectively dissipate frictional heat, enabling longer milling cycles.
- Dual Sanding/Dispersing Functionality: By simply replacing the stirrer with the included dispersion disc, the equipment switches from sanding to dispersing mode, offering versatile processing capabilities without additional tooling. This flexibility handles everything from nanoparticle deagglomeration to viscous paste homogenization.
- Variable Speed Control: Adjustable rotational speeds (fixed at 1400, 2800, 3500 rpm or continuously variable) allow precise matching of tip speed to the material's rheology. Operators can select low shear for gentle dispersion or high energy for aggressive grinding, directly influencing final particle size.
- Wide Jar and Liner Selection: Multiple jar volumes (0.5 to 10 L) suit various batch sizes, from precious samples to pilot lots. Liner choices include stainless steel, alumina, and zirconia to ensure chemical compatibility and minimize contamination risks.
- Precision Grinding Performance: Achieves particle sizes down to 1 μm with excellent reproducibility, ideal for demanding R&D applications. The optimized disc design and appropriate media selection yield an exceptionally narrow size distribution for advanced material formulations.
- Robust Construction: Heavy-duty bearings, a rigid frame, and wear-resistant tank materials ensure that the mill withstands continuous operation without performance drift, even with abrasive materials. Industrial-grade components extend service life and maintain accuracy.
Applications
| Application | Description | Key Benefit |
|---|---|---|
| Paints & Coatings | Dispersion and particle size reduction of pigments, fillers, and binders for water-based and solvent-based formulations. | Achieves uniform color development and improved opacity with minimal energy input. |
| Printing Inks | Fine grinding and homogenization of ink pigments, including UV-curable and offset inks. | Delivers sharp print quality and consistent viscosity through narrow size distribution. |
| Electronic Ceramics | Processing of dielectric powders (BaTiO₃, TiO₂) for MLCC, capacitors, and varistors. | Produces homogeneous slurries, enhancing sintering uniformity and electrical performance. |
| Battery Materials | Grinding and dispersing of cathode (LiCoO₂, LiMn₂O₄) and anode materials for lithium-ion batteries. | Enables optimal particle morphology, boosting electrochemical activity and cycle life. |
| Phosphors | Size reduction of rare-earth phosphors (YAG, aluminates) for LED and display applications. | Maintains luminescent efficiency by minimizing surface damage during milling. |
| Nanomaterials | Preparation of stable nanosuspensions of ceramics (Al₂O₃, ZrO₂, ZnO) and metals. | Reduces agglomeration and yields well-dispersed nanoparticles for advanced coatings. |
| Structural Ceramics | Blending and grinding of precursors for oxide and non-oxide ceramics (alumina, silicon nitride). | Increases green strength and sintered density through improved particle packing. |
| Magnetic Materials | Dispersion of ferrite powders (Mn-Zn, Ni-Zn) for transformer cores and EMI suppression. | Achieves fine, uniform particle size required for high-permeability components. |
Technical Specifications of PP-SBM03
| Parameter | Specification |
|---|---|
| Model | PP-SBM03 |
| Grinding Jar Volume Available | 0.5 L, 1 L, 2 L, 3 L, 5 L, 10 L |
| Grinding Jar Liner Options | Stainless steel (304/316), Alumina (Al₂O₃), Zirconia (ZrO₂), and others (upon request) |
| Stirrer Type | Dual sanding disc (2 discs mounted on shaft) |
| Stirrer Material | Compatible with selected liner for abrasion resistance |
| Rotation Speed | Fixed: 1400, 2800, 3500 r/min; Variable speed: continuously adjustable within range |
| Grinding Media Compatibility | Suitable for corundum (alumina), yttria-stabilized zirconia, and other ceramic beads ≤ Φ10 mm |
| Motor Power | 120 W – 1500 W (motor output tailored to jar size and application) |
| Achievable Grinding Fineness | ≤ 1 μm (sub-micron, depending on material and processing time) |
| Cooling System | Built-in cooling jacket with inlet/outlet ports for water or coolant circulation |
| Operation Modes | Wet sanding / Dispersing (switchable by changing stirrer assembly) |
| Quick-Change Chuck | Yes, permits rapid exchange of stirrer/dispersion disc without tools |
| Electrical Requirements | Single-phase or three-phase (based on motor selection), voltage as per customer requirements |
| Dimensions (L × W × H) | Varies with jar size; compact benchtop design |
| Net Weight | Depends on configuration, typically 30–80 kg |
Why Choose This Product
- Proven Long-Term Reliability: Manufactured with precision-machined components and industrial-grade bearings, this mill is engineered for years of maintenance-free operation in demanding lab environments. Users report consistent performance across thousands of batches, ensuring a low total cost of ownership.
- Unmatched Versatility in One Compact Unit: With the ability to switch between sanding and dispersing, accommodate multiple jar sizes and liner materials, and adjust speed, the system adapts to virtually any wet-processing task, from nanoparticle synthesis to paste homogenization.
- Superior Particle Size Control: The synergy of optimized disc geometry, media selection, and variable speed drive allows operators to achieve exact particle size targets with high reproducibility. The integrated cooling jacket preserves heat-labile additives, a critical advantage over traditional mills.
- Customization and Scalability: We offer tailored solutions such as specialized liners (PTFE, tungsten carbide), custom jar configurations, and automated controls upon request. This flexibility ensures the equipment can be configured to meet both niche R&D needs and pilot-scale demands.
- Responsive Expert Support: Backed by our experienced application engineers, we provide comprehensive installation guidance, material testing services, and timely technical assistance to keep your projects on schedule. Our commitment to customer success extends well beyond the sale.
Contact us today to discuss your specific grinding and dispersion requirements or request a custom quotation for a system configured to your lab’s needs.
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