ATOMFAIR SBM-15L 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 mill must be connected to a cooling water supply and operated with grinding jars and media selected for material compatibility. Exceeding the maximum feed size of 10 mm or the 5.25 L loading capacity risks damaging the grinding mechanism and compromising safety.
- Cooling Water Connection: Connect the jacketed chamber to a cooling water supply to prevent thermal degradation of temperature-sensitive materials during extended grinding.
- Material Compatibility: Select grinding jar and ball materials that are chemically and mechanically compatible with the target material to avoid cross-contamination and equipment wear.
- Feed Size Limit: Do not feed material larger than 10 mm to prevent jamming or damage to the stirring mechanism and grinding media.
- Speed Range: Operate the mill only within the specified 60–380 rpm range to maintain safe rotational forces and avoid mechanical overload.
- Loading Capacity: Do not exceed the maximum loading capacity of 5.25 L to ensure proper fluidization and prevent overloading the motor.
This procedure describes the safe initialization and operation of the mill for ultrafine grinding. Follow these steps to ensure proper setup, avoid hazards, and achieve consistent results.
Required Equipment: Grinding jar (selected from available materials), Grinding media (selected for material compatibility), Cooling water supply
- Inspect and Prepare the Mill
Inspect the mill, stirring shaft, and jar seating area for cleanliness and damage before each use. - Select and Install Grinding Jar and Media
Select a grinding jar and media that are compatible with your material, then install the jar securely in the chamber. - Connect Cooling Water Supply
Connect the jacketed chamber to a cooling water supply and verify flow before starting the mill. - Load Material and Set Speed
Load the material and media into the jar (media not exceeding 40% of jar capacity), then set the desired speed using the frequency control. - Operate and Monitor the Grinding Cycle
Start the mill and monitor the grinding process, adjusting residence time to achieve the target particle size ≤1 μm. - Unload the Mill After Grinding
Stop the mill, engage the automatic lifting feature, and tilt the chamber to unload the ground material safely.
How does residence time affect particle size in the SBM-15L stirred ball mill compared to stirring speed?
The SBM-15L achieves ultrafine grinding down to ≤1 μm from a feed size of ≤10 mm, but particle size is primarily controlled by adjusting material residence time within the grinding chamber rather than by varying the stirring speed alone. The mill's frequency speed control provides a continuously variable range of 60–380 rpm, and its high power density design (2.2 kW motor) ensures efficient energy transfer, but optimal fineness requires matching residence time, media size, and speed to the specific material.
Which grinding jar and ball material combination should I choose for contamination-free processing of metal-sensitive samples?
For metal-sensitive samples requiring zero-metal analysis, agate (natural SiO₂) jars and agate grinding balls are recommended because they introduce no metallic contamination. The SBM-15L supports nine jar materials (WC-Co, Al₂O₃, Agate, YSZ, SS, PU, Ceramic, Nylon) and seven ball materials (WC-Co, Al₂O₃, Agate, YSZ, SS, IC-PU). Always select materials that are chemically inert and harder than the feed to minimize wear and cross-contamination.
What cooling infrastructure is required to operate the SBM-15L's jacketed grinding chamber?
The SBM-15L features a double-walled cooling jacket that must be connected to an appropriate cooling water supply for temperature-controlled grinding. This prevents thermal degradation of heat-sensitive materials during extended runs. While the source does not specify flow rate or pressure, users should ensure a consistent supply of cooling water at a temperature suitable for their process to maintain product quality and protect the mill.
The ATOMFAIR SBM-15L stirred ball mill achieves ultrafine grinding to ≤1 μm from ≤10 mm feed using a 2.2 kW frequency-controlled motor with jacketed cooling, but requires separate purchase of grinding jars and media and connection to a cooling water supply for temperature-controlled operation.
Positive
- Ultrafine ≤1 μm output from 10 mm feed: High power density stirred mill design delivers consistent ultrafine grinding to ≤1 μm from feed particles up to ≤10 mm, offering significantly higher energy efficiency than conventional ball mills.
- Jacketed cooling for thermal control: Double-walled cooling jacket enables precise temperature regulation during extended grinding, preventing thermal degradation of temperature-sensitive materials and ensuring consistent product quality.
Trade-offs
- Grinding jars and media not included: Grinding jars and balls must be ordered separately; the main unit does not include them, requiring additional procurement and compatibility selection for contamination control.
- Requires external cooling water supply: The jacketed cooling system must be connected to an appropriate cooling water supply to enable temperature-controlled grinding, adding infrastructure requirements.
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).
