ATOMFAIR SBM-20L LABORATORY STIRRED BALL MILL ULTRASFINE GRINDINGRESEARCH 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 SBM-20L stirred ball mill requires a continuous cooling water supply to the jacketed chamber to prevent thermal degradation during extended grinding. The operator must select grinding jar and ball materials that are chemically compatible with the target material to avoid cross-contamination and equipment damage.
- Cooling Water Supply: Connect the jacketed cooling system to a suitable water supply before starting the grinding operation.
- Material Compatibility: Select jar and ball materials that are inert against the processed material to prevent contamination or chemical reaction.
- Maximum Load Capacity: Do not exceed the maximum loading capacity of 7.0 L to ensure safe operation and grinding efficiency.
- Feed Size Limit: Ensure feed material particles are ≤10 mm to avoid jamming the stirring mechanism.
- Speed Range: Operate the mill within the speed range of 60–380 rpm to maintain safe mechanical stress on the components.
This procedure outlines the initial setup and safe operation of the SBM-20L stirred ball mill to achieve ultrafine grinding. Follow these steps to connect cooling, load media and material, and start the mill with appropriate speed settings.
Required Equipment: Cooling water supply, Grinding jar (e.g., Al₂O₃, YSZ, Agate), Grinding balls (e.g., YSZ, Al₂O₃), Frequency speed controller
- Connect Cooling Water
Connect the jacketed cooling system to a continuous water supply to maintain temperature stability during grinding. - Select Grinding Jar
Select a grinding jar material that is chemically compatible with the target material to avoid cross-contamination. - Load Grinding Balls
Fill the jar with grinding balls to approximately 40% of its volume as specified in the configuration. - Load Feed Material
Load the feed material into the jar, ensuring the total volume does not exceed 7.0 L and particles are ≤10 mm. - Set Speed
Set the desired rotational speed between 60 and 380 rpm using the frequency speed controller. - Start Grinding
Start the mill and monitor the grinding process, adjusting residence time to achieve the target particle size. - Unload After Grinding
Use the automatic lifting shaft and free tilting chamber to safely unload and clean the jar after the grinding cycle.
How does the SBM-20L achieve ultrafine grinding to ≤1 μm from a 10 mm feed?
The SBM-20L uses a high-power-density stirred mill design with a 2.2 kW motor and frequency speed control (60–380 rpm) to drive small-diameter media inside a stationary chamber. This configuration delivers significantly higher grinding efficiency than conventional ball mills, enabling consistent ultrafine output ≤1 μm from feed material up to 10 mm. The jacketed cooling system maintains precise temperature control during extended runs, preventing thermal degradation and preserving product quality.
What jar and ball material options are available for the SBM-20L to avoid cross-contamination?
The SBM-20L supports nine grinding jar materials (WC-Co, Al₂O₃, Agate, YSZ, SS, PU, Ceramic, Nylon) and seven grinding ball materials (WC-Co, Al₂O₃, Agate, YSZ, SS, IC-PU). These options allow contamination-free processing of diverse materials from ceramics to pharmaceuticals. Users must select jar and ball materials compatible with their target material to avoid cross-contamination, as stated in the product documentation.
What cooling water infrastructure is required for the SBM-20L's jacketed grinding chamber?
The SBM-20L's double-walled jacketed grinding chamber must be connected to an appropriate cooling water supply to enable precise temperature control during grinding. This infrastructure is essential for dissipating heat generated by the high-power-density stirred mill design, preventing thermal degradation of temperature-sensitive materials, and ensuring consistent product quality. The user manual should be consulted for specific flow rate and connection requirements.
ATOMFAIR SBM-20L stirred ball mill delivers ultrafine grinding to ≤1 μm from ≤10 mm feed via a 2.2 kW motor with frequency speed control and jacketed cooling, but requires separate purchase of grinding jars and media and an external cooling water supply.
Positive
- Ultrafine grinding to ≤1 μm: Achieves particle sizes ≤1 μm from feed material ≤10 mm due to high power density stirred mill design, significantly outperforming conventional ball mills.
- Jacketed cooling for temperature control: Double-walled cooling jacket enables effective heat dissipation during extended grinding, preventing thermal degradation of temperature-sensitive materials.
Trade-offs
- Separate jar and media procurement: Grinding jars and balls are ordered separately; users must select compatible materials from nine jar and seven ball options to avoid cross-contamination.
- External cooling water required: The jacketed cooling system requires connection to an appropriate cooling water supply, adding infrastructure dependency for temperature-controlled grinding.
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).
