Description
Double Planetary Ball Mill
Product Introduction
The double planetary structure enables the large planetary disk to drive the small grinding jars in motion. The revolution radius and rotation speed of the grinding jars are larger than those of ordinary planetary ball mills of the same specification. The centrifugal force on the grinding balls is multiplied, and the collision, shearing and friction between the balls are significantly increased, improving grinding effect and efficiency. Some materials can be ground to nanometer scale. The double planetary ball mill is a typical high-efficiency and high-energy ball mill.
Application
The double planetary ball mill is a powder processing device for laboratory mixing, fine grinding and small-batch production of high-tech materials. It features an attractive and novel design, compact structure, easy operation, high working efficiency and uniform grinding fineness, making it an ideal choice for research, education, testing and production.It is widely used in electronics, magnetics, pharmaceuticals, ceramics, geology, mineral resources, metallurgy, building materials, chemical industry, light industry, cosmetics, environmental protection and other industries.
Product Features
The equipment shell adopts professional industrial design and is welded with thickened steel plate, featuring high strength, impact resistance, deformation resistance and stable appearance.Machined parts undergo strict heat treatment and CNC processing. The transmission gears are precision gears made of special materials, ensuring stable, safe and low-noise operation at high speed.
Technical Parameter Table
- Basic Specifications
| Model | Specification | Compatible Grinding Jar Size | Quantity | Remarks |
| SXQM-0.4 | 0.4L | 50–100ml | 4 pcs | 50ml vacuum grinding jar available |
| SXQM-1 | 1L | 250ml | 4 pcs | 50–100ml vacuum grinding jar available |
| SXQM-2 | 2L | 500ml | 4 pcs | 50–250ml vacuum grinding jar available |
| SXQM-4 | 4L | 1000ml | 4 pcs | 50–1000ml vacuum grinding jar available |
| SXQM-6 | 6L | 1500ml | 4 pcs | 50–1000ml vacuum grinding jar available |
- Operating Performance Parameters
| Model | Power Supply | Motor Power (kW) | Total Set Running Time (min) | Forward-Reverse Alternating Time (min) | Revolution (rpm) | Rotation (rpm) | Noise (dB) |
| SXQM-0.4 | 220V-50Hz | 0.75 | 1–9999 | 1–999 | 70–560 | 140–1120 | 58±5 |
| SXQM-1 | 220V-50Hz | 0.75 | 1–9999 | 1–999 | 70–560 | 140–1120 | 60±5 |
| SXQM-2 | 220V-50Hz | 0.75 | 1–9999 | 1–999 | 70–560 | 140–1120 | 60±5 |
| SXQM-4 | 220V-50Hz | 0.75 | 1–9999 | 1–999 | 70–560 | 140–1120 | 60±5 |
| SXQM-6 | 220V-50Hz | 0.75 | 1–9999 | 1–999 | 70–560 | 140–1120 | 60±5 |
- Motor & Dimensions
| Model | Motor Power (kW) | Speed Control | Net Weight (kg) | Overall Dimensions (mm) |
| SXQM-0.4 | 0.75 | Variable Frequency | 250 | 1150×800×760 |
| SXQM-1 | 0.75 | Variable Frequency | 250 | 1150×800×760 |
| SXQM-2 | 0.75 | Variable Frequency | 250 | 1150×800×760 |
| SXQM-4 | 0.75 | Variable Frequency | 250 | 1150×800×760 |
| SXQM-6 | 0.75 | Variable Frequency | 250 | 1150×800×760 |
Optional Accessories
We also supply various grinding balls: stainless steel balls, zirconia balls, alumina balls, PU balls, carbon steel balls, tungsten balls, agate balls, cemented carbide balls, silicon nitride balls, high-wear-resistant steel balls, manganese steel balls, nylon balls, glass balls and other special metal materials.
We also provide grinding jars of various materials: agate, alumina corundum ceramic, zirconia ceramic, silicon nitride ceramic, silicon carbide ceramic, stainless steel, wear-resistant steel, manganese steel, nylon, polyurethane, cemented carbide, crystal glass, etc.
The device must be operated on a stable, level surface with a dedicated 220V, 50Hz grounded electrical outlet. All grinding jars must be securely sealed and the safety lid closed during operation to prevent material ejection and mechanical injury.
- Electrical Connection: Verify the power supply matches the device requirements (220V, 50Hz) and the outlet is properly grounded before plugging in.
- Jar Security: Confirm that each grinding jar is tightly sealed with its lid and that the jar clamp is fully engaged on the planetary disk.
- Material Compatibility: Use vacuum-grade jars when processing fine, reactive, or explosive powders to maintain inert atmosphere and contain particulates.
- Noise and Vibration: Operate the mill on a vibration-dampening mat and assess the need for hearing protection given the rated noise output of up to 65 dB.
Follow these steps to prepare and run the ball mill for ultra-fine grinding while minimizing risk of injury or equipment damage. Each step must be completed before proceeding to the next.
Required Equipment: Grinding jar (250 mL, compatible with SXQM-1), Grinding balls (stainless steel, optional), Vacuum jar kit (optional, for reactive materials), Vibration-dampening mat
- Inspect
Inspect each grinding jar and lid for cracks, wear, or debris and clean if necessary. - Load
Load the material and an appropriate number of grinding balls into the jar, filling no more than two-thirds of the jar volume. - Secure
Seal the jar lid tightly, ensuring any gasket is properly seated, and place the jar into the planetary disk clamp. - Close
Close the mill's safety lid and engage the locking mechanism to prevent accidental opening during operation. - Set
Set the desired revolution speed, rotation speed, and total run time on the variable frequency drive control panel. - Start
Press the start button and monitor the mill for at least one minute for abnormal noise, vibration, or jar movement. - Stop
After the programmed time, allow the mill to come to a complete stop before opening the safety lid to retrieve jars.
What is the relationship between revolution speed and particle size reduction in the SXQM-1 dual planetary ball mill?
The SXQM-1 operates with a fixed revolution-to-rotation ratio of 1:2, with revolution speeds adjustable from 70 to 560 rpm via variable frequency control. Higher revolution speeds generate greater centrifugal force, enhancing collision, shearing, and friction, which can reduce some materials to nanometer scale as specified in the product description.
Which jar materials are available for the SXQM-1 to accommodate different sample types?
The SXQM-1 uses 250 ml jars, with optional vacuum jars in 50-100 ml. Available jar materials include agate, alumina corundum ceramic, zirconia ceramic, silicon nitride ceramic, silicon carbide ceramic, stainless steel, wear-resistant steel, manganese steel, nylon, polyurethane, cemented carbide, and crystal glass. Selection should be based on sample hardness, abrasiveness, and chemical compatibility to avoid contamination or jar damage.
What electrical and spatial infrastructure is needed for the SXQM-1 dual planetary ball mill?
The SXQM-1 requires a 220V-50Hz electrical supply and a 0.75 kW motor. The unit measures 1150×800×760 mm and weighs 250 kg, necessitating a sturdy, vibration-dampened bench or floor mounting. Its noise output is 60±5 dB, which is acceptable for most laboratories without additional acoustic insulation.
The Atomfair SXQM-1 dual planetary ball mill uses a double planetary mechanism to achieve high-energy milling capable of nanometer-scale grinding. Its robust construction and precision gearing ensure stable operation, though the 220V-50Hz power requirement and moderate noise levels are important lab infrastructure considerations.
Positive
- Double planetary high-energy milling: The dual planetary design multiplies centrifugal force on grinding balls, enabling collision, shear, and friction that can reduce materials to nanometer scale.
- Stable and low-noise precision gearing: Transmission uses precision gears from special materials with heat-treated CNC-machined parts, ensuring stable, safe, and low-noise operation at high speeds.
Trade-offs
- Requires 220V-50Hz power supply: The mill operates on a 220V-50Hz electrical supply; facilities with different voltage or frequency standards will require a transformer or frequency converter for compatibility.
- Moderate noise at high speeds: Noise levels reach up to 60±5 dB during operation, which may necessitate hearing protection or sound-dampening enclosures in acoustically sensitive lab environments.
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).

