PBM-0.4A 0.4L PLANETARY BALL MILL 250W 4 JARS SEMI-CIRCULARLABORATORY GRADE EQUIPMENT
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TAILORED SOLUTIONS FOR RESEARCH
Contact our engineering team for technical support or official quotations.
EMAIL: inquiry@atomfair.com
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Manufacturer: Atomfair LLC
Brand: ATOMFAIR®
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The 250W motor is rated for 48-hour continuous full-load operation; exceeding this period may cause thermal overload. Grinding jar sealing pressure must be adjusted via the graduated scale to prevent leakage of hazardous sample material during high-speed rotation.
- Material Compatibility: Select jar and ball materials that are compatible with the target soil sample to avoid cross-contamination and chemical reaction.
- Continuous Operation Limit: Do not operate the mill beyond the rated 48-hour continuous full-load period to prevent motor overheating and damage.
- Jar Sealing Pressure: Adjust the jar sealing pressure using the graduated scale to the recommended setting to ensure proper containment of the sample.
- Jar and Ball Capacity: Fill grinding balls to no more than 40% of the jar volume to maintain effective grinding and avoid overloading the motor.
- Grinding Mode Selection: Use dry grinding, wet grinding, or vacuum grinding modes as appropriate for the sample, ensuring the jar is properly sealed for vacuum mode.
This procedure describes the safe initialization and operation of the PBM-0.4A planetary ball mill for soil sample grinding. Follow these steps to ensure proper setup, avoid contamination, and prevent mechanical or electrical hazards.
Required Equipment: Planetary ball mill, Grinding jar, Grinding balls
- Select compatible jar and ball materials
Select jar and ball materials that are compatible with the target soil sample to avoid cross-contamination. - Load the grinding jar
Load the grinding jar with sample material and grinding balls to no more than 40% of the jar volume. - Seal and adjust jar pressure
Seal the jar and adjust the sealing pressure using the graduated scale to the recommended setting. - Set grinding parameters
Set the desired grinding mode (dry, wet, or vacuum) and operating time not exceeding 48 hours continuous. - Start and monitor the mill
Start the mill and verify stable operation before leaving the equipment unattended.
What is the maximum continuous operation time for the PBM-0.4A at full load, and how does the automatic forward-reverse commutation affect grinding uniformity?
The PBM-0.4A supports 48-hour continuous operation at full load with its 250W industrial-grade motor and variable frequency controller. The automatic forward-reverse commutation and timing function periodically reverses jar rotation direction, which helps redistribute sample material and grinding media to prevent agglomeration and improve particle size uniformity during extended runs.
Which grinding jar materials are recommended for trace heavy metal analysis in soil to minimize cross-contamination?
For zero-metal contamination in heavy metal soil analysis, natural agate (SiO₂) jars are recommended as they introduce no metallic elements. Alternatively, Al₂O₃ (95% alumina) or YSZ (yttria-stabilized zirconia) jars offer high wear resistance with minimal metal leaching. The PBM-0.4A accepts 100 ml jars in WC-Co, Al₂O₃, Agate, YSZ, SS, PU, Ceramic, or Nylon, all ordered separately.
How is the sealing pressure of the grinding jars adjusted on the PBM-0.4A, and why is it critical for soil sample preparation?
The sealing pressure is adjustable via a graduated scale on the jar holder assembly. Proper sealing is critical to prevent sample leakage during high-energy planetary motion (0–870 r/min jar speed) and to maintain consistent internal pressure for dry, wet, or vacuum grinding modes. Inadequate sealing can lead to sample loss, cross-contamination, and compromised particle size reduction down to 0.1 μm.
The PBM-0.4A planetary ball mill is purpose-built for soil heavy metal analysis, delivering ultrafine grinding down to 0.1 μm with a 48-hour continuous operation capability and integrated electric screening system, though it requires separate procurement of grinding jars and media and careful material compatibility selection.
Positive
- Integrated grinding and screening system: The PBM-0.4A includes a semi-circular planetary ball mill and an electric screener with seven-layer sieves (20–200 mesh), enabling comprehensive soil sample preparation for heavy metal analysis in a single workflow.
- 48-hour continuous full-load operation: An industrial-grade 250W motor with variable frequency controller supports uninterrupted grinding for up to 48 hours at full load, with automatic forward-reverse commutation and timing for high-throughput processing.
Trade-offs
- Separate purchase of grinding media required: Grinding jars (4 × 100 ml) and grinding balls (40% of jar capacity) are not included with the main unit and must be ordered separately, adding to initial procurement steps and material selection effort.
- Material compatibility for contamination control: Users must select jar and ball materials (e.g., Al₂O₃, YSZ, agate) that are chemically compatible with the target sample to avoid cross-contamination, requiring prior knowledge of sample properties.
Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.
To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.
Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD excl. heavy equipment). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).
