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ES-Superfine Precise Three Roller-Mill
ES-Superfine Precise Three Roller-Mill
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Introduction
Against the backdrop of the rapid development of emerging industries such as new materials, new energy, high-end electronics, biomedicine and cosmetics, the demand for preparing slurries with high precision and narrow particle size distribution continues to grow. Restricted by structural design and control accuracy, traditional grinding equipment cannot meet the stringent requirements for nano-scale material dispersion, homogenization of precious metal slurries, and stability of functional ceramic slurries.
Changzhou Longxin Intelligent launches the Superfine precision three-roll mill series, specially developed for ultra-high-precision grinding and dispersion applications. It bridges the technical gap from laboratory research and development to pilot scale-up and large-scale production, serving as indispensable core equipment for the process exploration of high-performance material preparation.
Equipment Upgrades Driven by High-precision, Intelligent and Flexible Manufacturing
At present, products including conductive silver paste, solar electrode paste, carbon nanotube dispersions, dental ceramics and functional cosmetics require micron and even submicron-level standards in particle size distribution (PSD) and dispersion stability. Customers focus not only on the final product performance, but also on process reproducibility, parameter traceability and equipment operational convenience. Especially in the research and development stage, the experimental mode featuring small batches, multiple formulas and rapid iteration demands high equipment flexibility; while pilot or small-batch production requires a balance between processing efficiency and grinding precision. Tailored to such market demands, the Superfine series realizes seamless connection from laboratory research and pilot testing to formal production.
Working Principle
Three-roll Shearing & Compression Dispersion to Realize Efficient Deagglomeration
The Superfine precision three-roll mill adopts a classic three-roll differential speed operating principle. Materials enter the gap between the front roll and middle roll from the feeding end and undergo preliminary dispersion under the strong shear force generated by high-speed rotation. Afterwards, the materials pass through the narrower gap between the middle roll and rear roll, where secondary shearing and compression produced by a higher linear speed difference effectively break hard agglomerates, so as to realize particle refinement and uniform distribution.
By precisely controlling the three-roll speed ratio and roller gap (minimum clearance below 1 μm), the equipment can regulate grinding intensity at micron and submicron levels, ensuring the discharged slurry delivers excellent dispersibility, stability and narrow particle size distribution.
Equipment Structure: Modular Design, Compact Integration and Human-Machine Collaboration
The Superfine series adopts a highly integrated and modular design concept. With a compact overall structure, it can be placed on standard laboratory workbenches to save space. Its core components are listed below:
- High-rigidity frame: Guarantees long-term parallelism stability of rollers and prevents gap deviation caused by mechanical deformation.
- Precision gap adjustment mechanism: Configured with manual mechanical adjustment or high-precision servo motor driven electronic gap adjustment system, supporting online dynamic correction.
- Adaptive scraper system: The elastic tension structure ensures constant-pressure fitting between the scraper and roller surface, reducing frequent adjustments and improving operational stability.
- Circulating cooling system (optional): Effectively controls temperature rise during grinding and prevents denaturation of heat-sensitive materials.
- Safety protection design: Equipped with multiple safety mechanisms including dust cover, emergency stop device and reverse cleaning mode.
Performance Features
Integration of High Precision, Intelligence and Reliability
The Superfine series boasts six core performance advantages:
- Ultra-high grinding precision: The minimum discharge particle size can reach below 1 μm (subject to material properties), far exceeding the performance of conventional equipment.
- Dual-mode intelligent control: Freely switchable between gap mode and pressure mode, with real-time display of set values and actual force feedback.
- Diversified material compatibility: Rollers are available in stainless steel, alumina, zirconia, silicon carbide and other materials to meet diverse chemical compatibility requirements.
- Easy cleaning and maintenance: Precisely polished roller surfaces combined with the reverse cleaning function greatly reduce material change and cleaning time.
- Formula-based operation: Users can preset and recall process parameters, significantly improving experimental repeatability and production consistency.
- IoT intelligent upgrade: Supports remote monitoring, data acquisition and authority management. It can be connected with online viscometers, particle size analyzers and other analytical instruments to build an intelligent grinding workstation.
Technical Upgrades: Leap from Functional Tool to Integrated Platform
Compared with traditional three-roll mills, the Superfine series achieves comprehensive technological upgrading:
- Intelligent control: It introduces electronic gap adjustment, formula storage, process recording and other functions — previously only available on large production-scale machines — into benchtop equipment.
- Interactive operation: The graphical touch interface lowers operation barriers, enabling engineers to shift from simple operation to professional process design.
The Superfine precision three-roll mill is more than grinding equipment; it serves as an enabling platform for the R&D and manufacturing of high-performance materials. Driven by continuous technological innovation, Longxin Intelligent helps customers break through process bottlenecks in strategic fields such as new nanomaterials, electronic slurries and functional coatings, realizing the upgrade from basic production to high-quality output, and ultimately to fully precise and controllable manufacturing.
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