Description
Product Introduction
Operating Principle of Planetary Ball Mill
Application Scope
Product Usage
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Materials Science Research: Preparation of nanomaterials, composite materials, and ultra-fine metal/non-metal powders.
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Pharmaceutical Field: Mixing of pharmaceutical ingredients, cell disruption, and biological sample pretreatment.
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Ceramic & Glass Industry: Uniform dispersion of raw materials and preparation of ceramic slurries such as kaolin.
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Electronics & Metallurgy: Fine processing of metal powders, semiconductor materials, and magnetic materials.
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Environmental Protection & Agriculture: Analysis of soil/geological samples, waste treatment, and agricultural product quality testing.
Product Features
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High Efficiency: The planetary motion mode (revolution + rotation) provides high energy density, significantly improving grinding efficiency compared with traditional equipment.
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Uniformity: The three-dimensional motion trajectory ensures thorough mixing of materials and a uniform particle size distribution (down to 0.1 micron).
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Versatility: Supports dry/wet grinding and is compatible with ball milling jars of various materials (e.g., stainless steel, ceramics, polyurethane).
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Safety & Reliability: Equipped with safety switches, overload protection, and a low-noise design, complying with laboratory safety standards.
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Intelligent Control: Variable frequency speed regulation, timed forward and reverse rotation, LED display, and programmed operation to improve experimental repeatability.
Core Technical Advantages
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The full series adopts variable frequency speed regulation technology for stepless speed change.
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Supports forward and reverse alternating operation for more uniform grinding.
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Precise setting of running time up to 9999 minutes.
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Precise coordination of revolution and rotation speeds to ensure the optimal grinding effect.
Safety Protection Design
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All models comply with noise control standards.
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Motor overload protection device.
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Emergency stop function.
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Wide voltage adaptation range and strong stability.
Application Coverage
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Meets full-range demands from small-batch laboratory use to industrial production.
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Compatible with ball milling jars of various specifications, including vacuum ball milling jars.
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Suitable for materials science, chemistry, pharmacy, and other fields.
Technical Parameters
|
No.
|
Model
|
Style
|
Grinding Jar Rotation Speed (rpm)
|
Grinding Jar Holder Inner Diameter (mm)
|
Motor Power
|
Grinding Jar Revolution Diameter (mm)
|
Overall Dimensions (mm)
|
Net Weight (kg)
|
|---|---|---|---|---|---|---|---|---|
|
1
|
XQM-0.2
|
Micro Type
|
0~1160
|
50
|
90W
|
Φ111
|
420×260×310
|
25
|
|
2
|
XQM-0.2S
|
Micro Glove Box Type
|
0~1160
|
50
|
90W
|
Φ111
|
Main Unit 390×220×270 Control Box 200×180×240
|
29
|
|
3
|
XQM-0.4A
|
Semi-Circular Type
|
0~870
|
80
|
250W
|
Φ140
|
530×300×360
|
34
|
|
4
|
XQM-6
|
—
|
0~670
|
134
|
0.75KW
|
Φ234
|
760×470×580
|
100
|
|
5
|
XQM-4A
|
Semi-Circular Type
|
0~670
|
134
|
0.75KW
|
Φ234
|
760×470×600
|
85
|
|
6
|
XQM-(8-12)
|
—
|
0~580
|
162
|
1.5KW
|
Φ275
|
900×600×640
|
168
|
|
7
|
XQM-(8-12)A
|
Semi-Circular Type
|
0~580
|
162
|
1.5KW
|
Φ275
|
880×560×642
|
150
|
|
8
|
XQM-16A
|
Semi-Circular Type
|
0~510
|
182
|
3KW
|
Φ320
|
950×600×710
|
205
|
|
9
|
XQM-20
|
—
|
0~430
|
222
|
4KW
|
Φ385
|
1200×790×930
|
392
|
|
10
|
XQM-40
|
—
|
0~390
|
250
|
5.5KW
|
Φ430
|
1400×880×1070
|
656
|
|
11
|
XQM-60
|
—
|
0~260 (1:1.5)
|
275
|
7.5KW
|
Φ490
|
1600×1070×1250
|
950
|
|
12
|
XQM-100
|
—
|
0~240 (1:1.5)
|
326
|
11KW
|
Φ578
|
1750×1140×1330
|
1300
|
|
13
|
XQM-200
|
—
|
0~215
|
460
|
22KW
|
Φ738
|
2670×1600×2804
|
2725
|
Working Principle
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Planetary Motion Mechanism: The turntable drives the ball milling jars to revolve around the main shaft, while the jars rotate at high speed, forming a composite centrifugal force field.
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Grinding Effect: Grinding balls inside the jar collide with materials at high speed under centrifugal force, generating shearing, impact, and friction forces to achieve crushing and mixing.
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Parameter Control: Precisely control the finished product particle size by adjusting the rotation speed (e.g., 200-800 rpm), grinding time, and ball-to-material ratio.
Selection Guide
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Sample Properties: Wear-resistant jars (e.g., tungsten carbide) are required for hard materials; the low-temperature grinding mode is optional for brittle or heat-sensitive materials.
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Processing Capacity: Choose a single-jar or four-jar configuration according to experimental needs, with the loading capacity not exceeding 2/3 of the jar volume.
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Grinding Objective: Nanoscale grinding requires a high rotation speed (≥500 rpm) and small-sized grinding balls (e.g., zirconia balls).
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Equipment Parameters: Focus on motor power (e.g., 0.75-2.2 kW), maximum centrifugal acceleration, and timing function.
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Safety & Maintenance: Prioritize models with automatic shutdown, fault alarm, and easy disassembly design to reduce maintenance costs.
Supporting Products Supply
Operate the planetary ball mill on a stable, level surface away from flammable materials. Ensure the electrical supply matches the rated power and the device is properly grounded to avoid electrical hazards.
- Grinding jar and seal inspection: Inspect grinding jars and seals for cracks or wear before each use to prevent sample leakage and mechanical failure.
- Vacuum jar lid security: Verify that the vacuum jar lid is securely fastened and the O-ring is intact when using vacuum grinding mode.
- Speed and time setting limits: Do not exceed the maximum rated rotation speed of 1160 rpm or operate the mill continuously beyond the duty cycle recommended in the manual.
- Sample and ball load balance: Ensure that the total sample and ball mass does not exceed the jar capacity to avoid imbalance and excessive vibration.
- Cooling and ventilation: Allow adequate clearance around the mill housing for heat dissipation and do not block the ventilation openings.
This procedure describes the initial setup and safe operation of the mini planetary ball mill for laboratory sample grinding. Follow all steps in order to ensure proper containment of materials and prevent injury from rotating components.
Required Equipment: Planetary ball mill unit with safety cover, Grinding jars (semi-circular or vacuum) and matching balls, Jar clamping wrench or locking mechanism (if provided), Vacuum pump and tubing (for vacuum grinding mode)
- Inspect and clean the mill and jars
Inspect the mill base, planetary disk, and all jars for cracks, debris, or damage before each use. - Load sample and grinding balls
Place the sample material and an appropriate number of grinding balls into a clean jar, filling no more than two-thirds of the jar volume. - Seal the jar lid
Secure the jar lid tightly, applying vacuum grease on the O-ring if using a vacuum jar, then attach the vacuum valve and evacuate if required. - Mount jar onto planetary disk
Position the jar into the corresponding recess on the disk and lock it in place using the provided clamp or screw mechanism. - Close the safety cover
Lower the transparent safety cover and ensure it latches securely to prevent ejection of jar fragments during operation. - Set rotation speed and time
Use the control panel to set the desired rotation speed (up to 1160 rpm) and grinding duration, then press the start button. - Monitor and stop the mill
Monitor the mill for unusual noise or vibration throughout the cycle, and allow the disk to come to a complete stop before opening the cover.
How does the variable speed range (0–1160 rpm) and forward/reverse alternating operation affect the achievable particle size distribution for hard materials like zirconia ceramics?
The variable frequency speed regulation enables stepless adjustment of grinding intensity, allowing optimization for hard ceramics. Combined with forward/reverse alternating operation, it promotes uniform particle size distribution down to 0.1 micron as specified in the product features. The precise coordination of revolution and rotation ensures high-energy impact while minimizing agglomeration, making the mill effective for brittle materials like zirconia.
Which jar materials are recommended for grinding lithium cobalt oxide (LiCoO2) cathode powders to avoid contamination?
For lithium cobalt oxide grinding, ceramic jars (e.g., alumina or zirconia) are recommended over stainless steel to prevent metal ion contamination and unwanted chemical reactions. The XQM-0.2 supports jar materials including stainless steel, ceramics, and polyurethane, as stated in the product description, allowing users to select the inert jar that matches the chemical compatibility requirements of battery materials.
What electrical and physical infrastructure is required to safely operate the XQM-0.2 in a standard laboratory?
The mill consumes only 90W and does not require specialized electrical infrastructure beyond a standard lab single-phase outlet. It incorporates motor overload protection and safety switches for safe operation, and its compact, low-noise design allows bench-top placement without additional soundproofing. These features, outlined in the product's safety and design specifications, ensure straightforward integration into typical laboratory settings.
The Atomfair XQM-0.2 mini vertical semi-circular planetary ball mill combines a compact 90W drive with planetary motion (0–1160 rpm) for high-energy micro-sample grinding, but its 4-jar design limits batch throughput and requires careful jar material selection to prevent cross-contamination or wear.
Positive
- High energy density planetary motion: The combined revolution and rotation of the grinding jars generates high-impact and friction forces, enabling efficient grinding down to 0.1 micron particle size, significantly outperforming traditional mills in energy transfer per unit volume.
- Intelligent variable frequency control: Variable frequency speed regulation, timed forward/reverse operation, and programmable settings up to 9999 minutes ensure reproducible grinding conditions and uniform particle size distribution across batches.
Trade-offs
- Limited batch capacity: Designed for small-batch and high-precision experiments, the 4-jar configuration (each typically up to 50–100 mL) restricts throughput, making it unsuitable for large-scale production or bulk material processing.
- Jar material selection required: Optimal performance and sample purity depend on matching jar and grinding ball materials (stainless steel, ceramics, polyurethane) to the sample's chemical and hardness properties; incorrect selection can lead to contamination or accelerated wear.
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).


