Description
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 jacketed cooling system requires connection to an appropriate cooling water supply to prevent thermal degradation of temperature-sensitive materials during extended grinding. Grinding jars and balls must be selected for material compatibility with the target sample to avoid cross-contamination and ensure contamination-free processing.
- Cooling System Requirement: Connect the jacketed cooling system to a suitable cooling water supply before initiating grinding operations to maintain precise temperature control.
- Media Compatibility Constraint: Select grinding jar and ball materials that are chemically and mechanically compatible with the target material to prevent cross-contamination and equipment damage.
- Loading Capacity Limit: Do not exceed the maximum loading capacity of 7.0 L to avoid overloading the motor and compromising grinding efficiency.
- Feed Size Constraint: Ensure feed material does not exceed 10 mm to prevent jamming and maintain consistent ultrafine grinding output.
This procedure outlines the safe initialization and operation of the SBM-20L stirred ball mill for ultrafine grinding. Follow these steps to load material, set parameters, and begin grinding while maintaining temperature control.
Required Equipment: SBM-20L main grinding unit, Grinding jar (ordered separately), Grinding balls (ordered separately), Cooling water supply
- Select and prepare grinding media
Select a grinding jar and balls made of materials compatible with your target sample to avoid cross-contamination. - Load grinding media into jar
Fill the grinding jar with balls to approximately 40% of its capacity, then add the feed material up to a maximum of 7.0 L total load. - Connect cooling water supply
Connect the jacketed cooling system to an appropriate cooling water supply to enable temperature control during operation. - Install jar and set speed
Secure the loaded jar into the mill, then set the desired rotational speed between 60 and 380 rpm using the frequency speed control. - Start grinding operation
Initiate the grinding cycle and monitor the process, adjusting residence time to achieve the target particle size down to ≤1 μm. - Unload and clean chamber
After grinding, activate the automatic shaft lifting and tilt the chamber to unload the product, then clean all components thoroughly.
How does the choice of grinding jar material affect contamination control and grinding performance in the SBM-20L stirred ball mill?
The SBM-20L offers a range of jar materials including WC-Co, Al₂O₃, Agate, YSZ, SS, PU, Ceramic, and Nylon with corresponding ball media options to match sample chemistry. For example, Al₂O₃ jars and media are suitable for oxide ceramics to avoid metallic contamination while Agate (natural SiO₂) is ideal for zero-metal analysis. The mill's high power density (2.2 kW motor) and speed range (60–380 rpm) ensure efficient grinding regardless of jar material but material compatibility must be prioritized to prevent cross-contamination.
What cooling water infrastructure is required to operate the SBM-20L's jacketed grinding chamber for temperature-sensitive materials?
The SBM-20L features a double-walled cooling jacket that requires connection to an appropriate cooling water supply for precise temperature control during extended grinding operations. While specific flow rate or temperature specifications are not provided in the source documentation the system is designed to prevent thermal degradation of temperature-sensitive materials such as pharmaceuticals or polymers. Users must ensure a consistent cooling water source with adequate pressure and temperature regulation to maintain process stability.
What are the loading and safety procedures for the SBM-20L's automatic lifting shaft and tilting chamber?
The SBM-20L's stirring shaft features automatic lifting and the grinding chamber supports free tilting for convenient loading unloading and cleaning between experiments. Grinding balls should fill approximately 40% of the jar capacity as per standard practice noted in the configuration list. The mill accepts feed material up to ≤10 mm with a maximum loading capacity of 7.0 L out of 20 L total volume; users must consult the manual for detailed operation and maintenance instructions to ensure safe handling of the lifting mechanism.
The Atomfair SBM-20L (SKU AFJM20L) is a 20 L laboratory stirred ball mill delivering ≤1 μm output from ≤10 mm feed with jacketed cooling for precise temperature control, but requires separate procurement of grinding jars and media and an external cooling water supply.
Positive
- Ultrafine grinding to ≤1 μm: Achieves particle sizes down to 1 micron from feed up to 10 mm, with high energy efficiency due to stirred mill design compared to 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
- Grinding jars and media ordered separately: Jars and balls are not included; users must select compatible materials from nine jar and seven ball options, adding procurement complexity and cost.
- Requires external cooling water supply: The jacketed cooling system must be connected to an appropriate cooling water supply to maintain temperature control during operation, adding infrastructure dependency.
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).
