Description
PBM-4A SEMI-CIRCULAR PLANETARY BALL MILL 0.75KW 4 JARS SOIL GRINDERLABORATORY 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 mill must be operated within its rated electrical and mechanical parameters to ensure safe and effective grinding. Proper selection and sealing of grinding jars and balls are required to prevent cross-contamination and material loss.
- Electrical and Mechanical Operating Limits: The mill requires a 220V AC power supply and must be operated within the specified revolution speed range of 35–335 rpm and rotation speed of 70–670 rpm.
- Grinding Jar and Ball Compatibility: Grinding jars and balls must be ordered separately and selected to be compatible with the target material to avoid contamination and ensure proper grinding performance.
- Sealing and Containment Requirements: The jar sealing pressure must be adjusted via the graduated scale to contain the sample during high-energy planetary milling, preventing leakage and dust emission.
This procedure describes the safe setup and operation of the semi-circular planetary ball mill for soil sample preparation. It includes jar selection, sample loading, grinding parameter configuration, and screening steps.
Required Equipment: Planetary ball mill main unit, Grinding jars and balls (selected per sample compatibility), Electric screener with seven-layer sieve set (20–200 mesh)
- Prepare the grinding assembly
Select and install the appropriate grinding jars and balls, ensuring the balls occupy approximately 40% of the jar volume and are compatible with the sample material. - Load and seal the jars
Load the soil sample into the jars, seal the lids, and adjust the sealing pressure using the graduated scale to prevent leakage during operation. - Set grinding parameters
Configure the revolution speed (35–335 rpm) and rotation speed (70–670 rpm) on the variable frequency controller, and set the continuous operation timer for forward-reverse commutation cycles. - Start the milling process
Initiate the mill and monitor the grinding process for the desired duration, allowing up to 48 hours of continuous full-load operation. - Screen the ground sample
Transfer the milled sample to the electric screener and activate the vibration to separate particles across the seven-layer sieve set down to 20 microns.
How does the adjustable jar sealing pressure on the PBM-4A influence grinding energy transfer and final particle size distribution?
The PBM-4A features a graduated scale on the jar holder that allows precise adjustment of sealing pressure. This pressure, combined with planetary high-energy impact (revolution 35–335 r/min, rotation 70–670 r/min), delivers consistent sub-micron refinement down to 0.1 μm. Higher pressure settings may enhance energy transfer, but the optimal level depends on material hardness; quantitative pressure values are not specified by the manufacturer.
What jar and ball materials are compatible with soil heavy metal analysis to avoid contamination in the PBM-4A?
The PBM-4A supports grinding jars and balls in WC-Co, Al₂O₃, Agate, YSZ, SS, PU, Ceramic, and Nylon. For heavy metal analysis, agate (natural SiO₂) jars are explicitly listed for zero-metal analysis, making them the preferred choice. Al₂O₃ and YSZ provide ceramic alternatives, while WC-Co may introduce cobalt and tungsten contaminants if the sample is abrasive.
What are the infrastructure and power requirements for installing and safely operating the PBM-4A planetary ball mill?
The PBM-4A requires a 220V AC power supply and has a net weight of 85 kg with overall dimensions of 760×470×600 mm. The electric screener is included, but grinding jars and balls must be ordered separately and selected to match the sample to avoid cross-contamination. The mill supports 48-hour continuous full-load operation, so a stable benchtop and adequate ventilation are recommended.
The ATOMFAIR PBM-4A semi-circular planetary ball mill delivers ultrafine grinding to 0.1 μm for soil heavy metal analysis, with integrated electric screening and 48-hour continuous operation, though jars and grinding media must be sourced separately and non-soil feed size is limited to ≤3 mm.
Positive
- Ultrafine sub-micron output down to 0.1 μm: Capable of reducing soil particles ≤10 mm to as fine as 0.1 μm, enabling thorough sample homogenization for heavy metal analysis.
- Integrated grinding and screening with 48-hour run time: Built-in electric screener with seven-layer 200 mm sieves (20–200 mesh) and 0.75 kW motor rated for uninterrupted 48-hour operation, streamlining sample preparation workflow.
Trade-offs
- Jars and grinding media must be ordered separately: The grinding jars (four 1000 mL) and balls are not included in the standard configuration, requiring additional procurement and compatibility selection for each material system.
- Restricted feed size for non-soil materials: While soil samples up to 10 mm are accepted, other materials are limited to ≤3 mm feed size, which may necessitate pre-crushing for larger particulates.
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). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).
