Description
PBM-40 LARGE VOLUME PLANETARY BALL MILL 5.5KW SOIL GRINDER 40LLABORATORY 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 PBM-40 is a high-power mechanical mill requiring electrical safety precautions and proper grounding. Grinding jars and balls must be selected to avoid cross-contamination and ensure mechanical stability during operation.
- Electrical Safety: Operate the mill only with a properly grounded 220V AC supply and avoid exposure to moisture.
- Mechanical Guarding: Ensure all guards are in place before starting the mill to prevent contact with rotating parts.
- Jar and Ball Selection: Select grinding jar and ball materials compatible with the sample to avoid chemical contamination or mechanical failure.
- Continuous Operation Monitoring: The mill supports 48-hour continuous operation at full load; monitor motor temperature and vibration during extended runs.
- User Manual Reference: Consult the user manual for detailed installation, operation, and maintenance instructions before first use.
This procedure describes the safe initialization and operation of the PBM-40 mill for soil grinding. Follow these steps to ensure proper setup and avoid mechanical or electrical hazards.
Required Equipment: Planetary ball mill, Grinding jars, Grinding balls, Electric screener
- Inspect Components
Inspect the grinding jars and balls for cracks, wear, or contamination before each use. - Load Sample and Media
Load the sample and grinding balls into the jar, filling to approximately 40% of the jar capacity. - Seal Jar
Secure the jar lid and tighten the sealing pressure adjustment screw to the desired setting using the graduated scale. - Install Jars in Mill
Place the filled jars into the mill holders and lock them in position. - Set Operating Parameters
Set the revolution speed, rotation speed, and operating time using the variable frequency controller. - Start Mill
Start the mill and allow it to run; monitor for any unusual vibration or noise during operation. - Stop and Cool
After the cycle completes, stop the mill and wait for the jars to cool before opening.
How does the choice of grinding jar material affect trace metal contamination when using the PBM-40 for soil heavy metal analysis?
The PBM-40 requires grinding jars and balls to be ordered separately, and the material must be selected to avoid cross-contamination. Available jar materials include WC-Co, Al₂O₃, Agate (natural SiO₂ with zero metal), YSZ, SS, PU, Ceramic, and Nylon. For heavy metal analysis, agate jars minimize metallic contamination, but they are less hard than WC-Co or YSZ, potentially reducing grinding efficiency for tough soil components. The graduated scale jar sealing pressure ensures consistent results, but material choice directly impacts contamination risk.
What are the limitations of the integrated electric screener for sieving sub-micron particles produced by the PBM-40?
The electric screener sieves particles in the 20–200 mesh range (20 microns to 0.84 mm). While the PBM-40 can grind soil to 0.1 μm, the screener's finest mesh (20 microns) cannot retain sub-micron particles; they will pass through. The screener is therefore most effective for removing oversize particles or for quality control of fractions above 20 microns. For sub-micron classification, alternative methods such as air classification or wet sieving are needed.
What are the electrical power and space requirements for installing the PBM-40 planetary ball mill with its electric screener?
The PBM-40 main unit requires a 220V AC power supply with a 5.5KW motor, and the included electric screener uses a 0.75KW variable frequency controller. The grinding unit dimensions are 1400×880×1070 mm and it weighs 656 kg. A stable, level floor capable of supporting this weight and absorbing vibration is necessary. The machine supports 48-hour continuous operation, so adequate ventilation is recommended to dissipate heat from the motor and controller.
The PBM-40 planetary ball mill offers a 5.5kW motor and 40L capacity with an integrated electric screener for soil heavy metal analysis, enabling 48-hour continuous operation and ultrafine grinding to 0.1 μm from 10 mm soil feed. However, grinding jars and balls must be purchased separately, and non-soil materials are limited to ≤3 mm feed size.
Positive
- Integrated grinding and screening system: Built-in electric screener with seven layers of 200 mm sieves (20–200 mesh) enables complete soil sample preparation in one workflow, ideal for heavy metal analysis.
- High-capacity continuous operation: 48-hour full-load continuous grinding with 5.5kW variable-frequency motor and 4×10L jars achieves output down to 0.1 μm, maximizing throughput for large sample volumes.
Trade-offs
- Grinding jars and balls not included: Four 10 L grinding jars and one set of grinding balls must be ordered separately, adding procurement steps and cost for the complete system.
- Feed size limit for non-soil materials: While soil feed up to 10 mm is accepted, other materials are restricted to ≤3 mm feed size, narrowing the range of applicable samples without pre-crushing.
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).
