Laboratory Pulverizer
Cross Beater Mill High Speed Impact Grinder for Medium Hard and Brittle Materials Laboratory Powder Milling
Item Number: PP-SL46
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Product Overview
This high-performance cross beater mill is engineered specifically for the rapid size reduction and fine grinding of medium-hard and brittle materials in dry processing environments. Powered by a heavy-duty 1100W drive system, the equipment utilizes extreme impact force generated by a multi-vane rotating cross-beater against a specialized tooth cavity. Material is instantly shattered upon impact and swept through precise aperture sieves, delivering consistent, fine particle distributions down to sub-200-micron thresholds from initial feed sizes up to 25 mm.
Designed to satisfy demanding analytical requirements, this unit is widely adopted across materials science, geology, environmental testing, agriculture, chemical manufacturing, and quality control laboratories. Its versatile architectural framework accommodates diverse batch volumes, ranging from small-scale analytical testing to pilot-scale collection systems up to 30 liters. By delivering high throughput without thermal degradation of sensitive samples, the equipment serves as an indispensable tool for reliable, repeatable sample preparation.
Built for continuous industrial and laboratory duty cycles, the mill combines robust mechanical integrity with advanced operational protection features. Incorporating IP65-rated environmental sealing, an integrated variable frequency drive, and quick-release modular contact components, this system delivers uncompromising reliability, ease of maintenance, and maximum operator safety under heavy workloads.
Key Features
- Variable Frequency Drive (VFD) Control: Equipped with a advanced frequency inverter that allows precise digitally governed speed adjustments from 2000 to 4000 r/min, enabling optimal matching of rotor peripheral velocity (14 to 28 m/s) to specific material friability and hardness.
- High-Impact Crushing Mechanics: Employs a high-speed rotational cross-beater working in combination with a hardened tooth cavity ring to deliver maximum impact dynamic force, achieving rapid particle size reduction with minimal residence time.
- Tool-Free Quick-Release Modular System: Main wear components—including the top-feed and bottom-discharge funnels, rotating beater, tooth cavity, bottom sieve mesh, and chamber door—are designed for rapid, tool-free disassembly to ensure effortless cleaning and total prevention of cross-sample contamination.
- Precision Interchangeable Bottom Sieves: Supports a comprehensive range of stainless steel sieve inserts with mesh openings from 0.2 mm to 10 mm, ensuring absolute control over maximum discharge particle sizes for exact analytical reproducibility.
- Heavy-Duty Metallurgical Build Options: Grinding tools and cavity liners are manufactured from premium grade stainless steel or heat-treated tempered tool steel, maximizing abrasive wear resistance and extending component service life under heavy usage.
- Advanced Thermal Management & Housing Design: Features specialized cooling channels and heat-dissipating housing fins around the grinding chamber and cover, preventing excessive heat buildup during extended continuous milling cycles.
- Comprehensive Intelligent Safety Suite: Features programmable timer modes, intermittent/continuous operation controls, power-off memory retention, and electronic overload protection coupled with a dual positioning pin and safety handwheel door locking mechanism.
- Ergonomic Mobile Aluminum Support Framework: Mounted on a heavy-duty 50x50 mm aluminum alloy stand equipped with height adjustment features and lockable omnidirectional casters for seamless integration into laboratory workflows.
Applications
| Application | Description | Key Benefit |
|---|---|---|
| Geology & Mining | Grinding ores, rocks, minerals, soil, ceramics, and glass samples for XRF and ICP analytical preparation. | Rapid reduction of hard, brittle geological specimens to homogeneous fine powders without material loss. |
| Agriculture & Plant Science | Processing dried plant matter, seed crops, foliage, grain kernels, and soil aggregates for composition testing. | Quick throughput without thermal breakdown of organic constituents or loss of volatile substances. |
| Chemical & Polymer Manufacturing | Pulverizing bulk salts, synthetic resins, fertilizers, catalysts, and crystalline compounds for quality control. | Uniform particle size control preventing agglomeration and facilitating rapid dissolution or reaction rates. |
| Environmental & Waste Analysis | Size reduction of construction debris, incinerator ash, slag, soil, and dried sludge for toxic leaching tests. | High-throughput capacity with easy-clean surfaces to prevent sample cross-contamination between batches. |
| Food Science & Feed Testing | Crushing dehydrated foods, spices, animal feed pellets, and agricultural bulk solids for nutritional labeling. | Hygienic stainless steel contact surfaces ensure compliance with food safety and analytical purity standards. |
Technical Specifications
| Parameter | Specification | Notes / Details |
|---|---|---|
| Item Identifier | PP-SL46 | Master Product Reference |
| Processing Principle | High-Speed Rotation / Impact Force | Dynamic shattering via cross-beater and tooth cavity |
| Processing Type | Crushing & Fine Grinding | Dry operation mode |
| Target Material Characteristics | Medium-Low Hardness, Brittle | Suitable for crystalline, friable, and fibrous dry samples |
| Maximum Feed Size | < 25 mm | Direct top-funnel gravity feed |
| Discharge Particle Size | < 200 µm | Dependent on installed sieve mesh aperture |
| Rotor Diameter | 128 mm | Dynamic impact diameter |
| Rotational Speed Range | 2000 - 4000 r/min | Steplessly adjustable via frequency inverter |
| Rotor Peripheral Velocity | 14 - 28 m/s | High linear velocity for rapid impact disruption |
| Speed Control System | Variable Frequency Drive (VFD) | Digital speed setting and speed maintenance |
| Control Functions | Speed tuning, Continuous mode, Intermittent mode, Timer, Power-off memory, Overload protection | Multi-function digital interface |
| Modular Components | Feed funnel, Discharge funnel, Rotor, Tooth cavity, Sieve, Chamber cover | Tool-free rapid assembly and disassembly system |
| Rotor Material Options | Stainless Steel / Tempered Steel | Selected based on abrasive wear requirements |
| Tooth Cavity Material Options | Stainless Steel / Tempered Steel | High durability liners |
| Chamber Cover & Mesh Material | Stainless Steel | High corrosion resistance and cleanability |
| Chamber Lock Mechanism | Positioning Pin + Safety Handwheel | Mechanical interlock preventing opening during drive operation |
| Sieve Aperture Range | 0.2 - 10 mm | Interchangeable arc sieves |
| Sample Collection Vessel | Stainless Steel | Optional capacities from 5 L to 30 L |
| Feed / Discharge Configuration | Top Feeding, Bottom Discharging | Continuous straight-through gravity flow |
| Support Framework | 50 x 50 mm Heavy-Duty Aluminum Stand | Detachable, height-adjustable, with lockable universal casters |
| Electrical Requirements | 200-240V AC, 50-60Hz, 1100W | Single-phase laboratory power input |
| Power Plug Standard | National / EU / US / UK compliant | Region-specific configurations supplied |
| Ingress Protection Rating | IP65 | Dust-tight and washdown protected housing |
| Safety & Quality Standards | CE Certified | Complies with European machinery safety standards |
| Main Housing Dimensions (W x D x H) | 390 x 435 x 248 mm | Funnel installed total height: 430 mm |
| Stand Dimensions (W x D x H) | 550 x 560 x 720 mm | Stand footprint |
| Net System Weight | 28 kg | Main unit dry weight |
| Optional Expansion Items | Automated Sample Feeder Unit | Auxiliary controlled feeding system for continuous dosing |
Why Choose This Product
- Superior Engineering & Build Integrity: Constructed with industrial-grade stainless steel and heavy-duty alloy components, ensuring exceptional resistance to abrasive wear, physical shock, and long-term mechanical degradation.
- Precision & Repeatability: Advanced VFD speed regulation and high-precision interchangeable sieves guarantee exact control over grinding dynamics, delivering tightly defined particle distributions batch after batch.
- Maximum Operational Efficiency: Tool-free quick-release mechanisms dramatically reduce cleaning downtime between sample runs, protecting workflow efficiency while preventing sample cross-contamination.
- Comprehensive Compliance & Safety: Fully CE-certified with an IP65 ingress protection rating, integrated overload protection, and dual mechanical door interlocks to guarantee operator safety in demanding laboratory environments.
Contact our technical sales team today to request a customized quotation, select tailored accessory configurations, or discuss sample preparation testing for your specific material requirements.
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