Description
PBM-4A SEMI-CIRCULAR PLANETARY BALL MILL 4 JARSLABORATORY 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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This mill requires a grounded 220 VAC electrical supply and should be operated on a stable, vibration-dampened surface. The agate grinding jars are brittle and must be handled with care to avoid cracking under excessive sealing pressure.
- Electrical Safety: Ensure the mill is connected to a properly grounded outlet to prevent electrical shock or fire hazard.
- Jar Integrity: Inspect agate jars for cracks or chips before each use and do not exceed the recommended sealing pressure indicated on the graduated scale.
- Vacuum Operation: When using vacuum grinding mode, verify that all jar seals are intact and the vacuum system is properly connected to avoid leaks.
- Thermal Management: Allow the mill to cool for at least 10 minutes after extended grinding runs to prevent overheating of the motor and bearings.
- Mechanical Safety: Keep hands, hair, and loose clothing away from rotating parts during operation and always use the safety interlock if equipped.
This procedure outlines the safe setup and operation of the XQM-4A mill for dry, wet, or vacuum grinding of soil samples. Follow each step in sequence to ensure sample integrity and operator safety.
Required Equipment: XQM-4A Planetary Ball Mill, Agate Grinding Jars (2 or 4)
- Load Jars
Fill each agate jar with soil sample and grinding media to no more than two-thirds of the jar volume. - Set Sealing Pressure
Adjust the sealing pressure of each jar using the graduated scale to match the selected grinding mode (dry, wet, or vacuum). - Configure Mill Settings
Set the revolution speed and grinding time on the control panel according to the desired particle size and material hardness. - Start Grinding
Press the start button and monitor the mill for unusual noise or vibration during the first minute of operation. - Stop and Retrieve Sample
After the cycle completes, allow the mill to come to a full stop before opening the jar clamps and removing the ground sample.
What is the relationship between feed particle size and final grind fineness when processing soil versus hard materials in the XQM-4A planetary mill?
For soil samples, the mill accepts feed particles up to 10 mm, while for other materials the maximum feed size is 3 mm. In both cases, the discharge particle size can be as fine as 0.1 μm, achieved through the planetary action with revolution speeds of 35-335 r/min and jar rotation of 70-670 r/min. This trade-off means that harder materials require pre-crushing to smaller feed sizes to reach the same ultimate fineness.
Which grinding jar materials are compatible with the XQM-4A for contamination-free grinding in trace metal analysis?
The XQM-4A supports a wide range of jar materials beyond the standard 250 ml agate jars, including alumina corundum ceramic, zirconia ceramic, silicon nitride ceramic, stainless steel, wear-resistant steel, nylon, polyurethane, hard alloy, and crystal glass. This compatibility allows researchers to select jar materials that match their contamination control requirements, such as using agate for minimal metal contamination in soil heavy metal analysis.
What electrical and operational infrastructure is needed to run the XQM-4A planetary mill for extended unattended grinding?
The XQM-4A requires a standard 220V AC power supply and uses a 0.75 kW three-phase motor with variable frequency controller that includes power display, continuous operation timer, and forward-reverse commutation cycle. It can run continuously for up to 48 hours under full load, making it suitable for overnight or weekend operation, but needs adequate bench space as overall dimensions are 760×470×600 mm and net weight is 85 kg.
The XQM-4A planetary mill integrates four 250 mL agate jars and an electric screener for soil sample preparation targeting heavy metal analysis, achieving discharge particle sizes as fine as 0.1 μm while supporting dry, wet, and vacuum grinding modes.
Positive
- Four 250 mL Agate Grinding Jars Included: Provides four agate jars with 250 ml capacity each, enabling simultaneous preparation of multiple samples for heavy metal analysis.
- Achieves Sub-Micron Particle Sizes: Capable of grinding soil samples down to 0.1 μm, suitable for fine analytical requirements.
Trade-offs
- Feed Size Constraint for Non-Soil Materials: For materials other than soil, feed particle size must be ≤3 mm, requiring pre-crushing for larger samples.
- Requires 220V AC with Three-Phase Controller: The 0.75 kW motor operates on 220V AC with a three-phase variable frequency controller, necessitating compatible electrical infrastructure.
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).
