Crushing & Grinding Machine
Electromagnetic Ore Sample Preparation Pulverizer Laboratory Grinding Mill
Item Number : PSDF
Price varies based on specs and customizations
- Feed Particle Size
- ≤15 mm
- Discharge Particle Size
- 80-200 mesh
- Sample Capacity
- 40-80 g
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Product Overview



This high-frequency electromagnetic pulverizer is engineered specifically for analytical sample preparation in geochemical, metallurgical, and industrial laboratories. Utilizing an advanced electromagnetic drive mechanism, the system generates rapid linear oscillations at 3,000 vibrations per minute, driving internal impact elements to pulverize hard, brittle, and medium-hard mineral samples into uniform powders. By eliminating mechanical gears, belts, and rotating shafts, this unit maximizes energy transfer efficiency while substantially reducing mechanical wear, maintenance downtime, and contamination risks during intensive sample reduction cycles.
Designed to handle feed sizes up to 15 mm, the equipment rapidly reduces batches of 40 to 80 grams into analytical fineness ranging from 80 to 200 mesh in under five minutes. This capability makes the system indispensable for high-throughput testing environments, including mining exploration laboratories, cement quality control stations, refractory production facilities, and academic materials research centers where consistent particle size distributions are vital for precise XRF, XRD, ICP-OES, and wet chemical analysis.
Built to withstand continuous duty cycles in rigorous laboratory environments, the unit combines robust structural dampening with precision electronic timing control. Operators benefit from predictable, repeatable grinding intervals, minimal heat build-up during processing, and rapid bowl cleaning between consecutive batches. This ensures dependable long-term performance, cross-contamination prevention, and reproducible sample matrices across demanding industrial testing protocols.
Key Features
- High-Frequency Electromagnetic Drive: Operates at 3,000 vibrations per minute to generate intense kinetic impact forces, rapidly reducing mineral hardness without the mechanical fatigue associated with traditional rotary motor assemblies.
- Optimized Analytical Particle Yield: Delivers consistent discharge fineness between 80 and 200 mesh from coarse input chunks up to 15 mm, providing ideal particle distribution profiles for pelletizing, fusion, and acid digestion.
- Precision Digital Processing Timer: Features an adjustable 0 to 5-minute timer that allows operators to dial in exact grinding durations, ensuring total batch-to-batch repeatability and preventing over-grinding of heat-sensitive materials.
- Direct Energy Impact Chamber: Uses a high-velocity internal impact element within an optimized pulverizing vessel, focusing dynamic energy directly into the sample charge to minimize thermal degradation and sample adherence.
- Zero-Transmission Maintenance Architecture: Engineered without belts, pulleys, gearboxes, or external bearings, significantly lowering routine service requirements and eliminating lubricant-related sample contamination.
- Integrated Vibration Isolation: Heavy-duty internal structural dampening absorbs stray kinetic energy, isolating dynamic oscillations to the grinding chamber while maintaining laboratory benchtop stability and low operational noise.
- Rapid Batch Turnaround: Accommodates 40 to 80 grams per cycle with a quick-release chamber design that accelerates sample recovery and dry cleaning, streamlining multi-sample daily workloads.
Applications
| Application | Description | Key Benefit |
|---|---|---|
| Geochemical Exploration & Mining | Grinding core drillings, rock chips, and run-of-mine ore samples for assaying precious and base metals. | Delivers uniform 200-mesh powders rapidly, eliminating matrix bias in fire assay and spectroscopic quantification. |
| Cement & Clinker Quality Control | Pulverizing limestone, raw meal, clinker, and gypsum for rapid elemental X-ray fluorescence (XRF) monitoring. | Rapid cycle times of 1 to 3 minutes accelerate production feedback loops to maintain tight kiln chemical control. |
| Metallurgical Slag & Flux Analysis | Crushing furnace slag, sinter, iron ore concentrates, and casting fluxes for compositional validation. | Impact grinding reduces extremely hard, abrasive slag samples without excessive chamber erosion or alloy contamination. |
| Refractory & Ceramic Raw Materials | Size reduction of bauxite, alumina, zirconia, magnesite, and silica minerals prior to structural phase evaluation. | High kinetic impact energy crushes tough ceramic minerals to target fineness without requiring secondary milling stages. |
| Coal & Coke Petrographic Testing | Pulverizing solid fuel samples to fine mesh sizes for proximate analysis, calorific value determination, and sulfur testing. | Sealed milling chamber minimizes moisture loss and dust dispersion during short-duration impact cycles. |
| Environmental Soil & Sediment Screening | Homogenizing dry soil cores, river sediments, and mine tailings for heavy metal contamination screening by ICP-MS. | Low sample retention on chamber walls ensures maximum recovery and minimizes carryover cross-contamination between specimens. |
| Academic Materials Science Research | Grinding synthesized oxides, advanced ceramics, and mineral composites for powder X-ray diffraction (XRD) characterization. | Narrow, reproducible particle size distribution prevents line-broadening artifacts during high-resolution crystallographic scans. |
Technical Specifications
| Specification Parameter | Technical Data (PSDF Series) |
|---|---|
| Product Model Number | PSDF |
| Operating Principle | Electromagnetic Vibration Impact Milling |
| Impact / Vibration Frequency | 3,000 vibrations / min |
| Maximum Feed Particle Size | ≤ 15 mm |
| Discharge Particle Fineness | 80 – 200 mesh (approx. 178 – 74 μm) |
| Sample Batch Capacity | 40 – 80 g |
| Process Timer Range | 0 – 5 minutes (continuously adjustable) |
| Electrical Supply | 220 V AC, 50 Hz, Single Phase |
| Operating Current | 6 A |
| Drive Mechanism | Direct electromagnetic coil actuator (direct drive) |
| Chamber Sealing | Dust-tight mechanical quick-lock mechanism |
| Cooling & Duty Cycle | Ambient convective cooling, intermittent high-throughput laboratory duty |
Why Choose This Product
- Superior Grinding Dynamics: The 3,000 vibrations/min electromagnetic mechanism delivers direct kinetic impact rather than slow abrasive friction, reducing processing time down to seconds while generating uniform analytical-grade powders.
- Robust, Low-Maintenance Engineering: Designed without rotating transmission parts, motor brushes, or belts, this system eliminates the most common failure points of laboratory pulverizers, delivering dependable operation year after year.
- Precision Quality Control Compliance: Fully adjustable digital timing paired with constant impact frequency ensures standardized sample preparation protocols compliant with ISO, ASTM, and industry-specific laboratory standards.
- Contamination-Resistant Operation: Specially hardened impact tools and a sealed chamber structure prevent environmental dusting, minimize cross-batch contamination, and preserve trace-element analytical integrity.
Contact our technical sales team today to request a quotation or discuss customized sample preparation solutions tailored to your laboratory's throughput requirements.
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Product Datasheet
Electromagnetic Ore Sample Preparation Pulverizer Laboratory Grinding Mill
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