Description
Heavy-Duty Horizontal Planetary Ball Mill
Product Introduction
The heavy-duty horizontal planetary ball mill adopts a dual-disk support bracket structure at both ends, which effectively improves equipment stability and load-bearing capacity, overcoming the limitation that light-duty horizontal planetary ball mills are only suitable for light-load applications. This machine is mainly intended for pilot-scale tests or small-batch grinding production.
Operating Principle of Planetary Ball Mill
The main disk of the planetary ball mill is equipped with four grinding jars. As the motor drives the main disk to rotate, the jars revolve around the main disk shaft while rotating on their own under the drive of the planetary mechanism, forming a planetary motion. The grinding balls inside the jars rub and collide with each other during high-speed planetary movement, enabling efficient grinding and sample mixing.
Product Application
Heavy-duty horizontal planetary ball mills are widely used in geology, mineral resources, metallurgy, electronics, building materials, ceramics, chemical industry, light industry, medicine, environmental protection and other fields.They are suitable for the production of electronic ceramics, structural ceramics, magnetic materials, lithium cobalt oxide, lithium manganate, catalysts, fluorescent powders, long afterglow luminescent powders, rare earth polishing powders, electronic glass powders, fuel cells, zinc oxide varistors, piezoelectric ceramics, nanomaterials, wafer ceramic capacitors, MLCC, thermistors (PTC, NTC), dielectric ceramics, alumina ceramics, zirconia ceramics, zinc oxide powder, cobalt oxide powder, Ni-Zn ferrites, Mn-Zn ferrites and other materials.
Product Features
The equipment features a professional industrial exterior design. The casing is welded with thickened steel plates, delivering high strength, impact resistance, deformation resistance and a robust appearance. Machined parts undergo strict heat treatment and CNC processing. Transmission gears are precision-made from special materials, ensuring stable, safe and low-noise operation at high speeds.The machine is equipped with a brake locking function to guarantee safe operation during jar lifting, loading and locking. The integrated lifting and discharging device incorporates vibrating screen discharging technology, enabling quick jar handling, unloading and charging to improve production efficiency.A microcomputer touch screen is adopted for easy and intuitive operation. It supports forward and reverse alternating control, timing function and power-off memory.
Technical Parameters
| Model | Drive Ratio (rpm) | Jar Rotation Speed (rpm) | Jar Holder Inner Diameter (mm) | Motor Power | Jar Revolution Diameter (mm) | Overall Dimensions (mm) | Net Weight (kg) |
| WXQM-(2-6) | 0.134 | 0~670 | 134 | 0.75KW | Φ234 | 700×560×530 | 96 |
| WXQM-(2-6)(H) | 0.134 | 0~670 | 134 | 1.5KW | Φ234 | 1220×620×810 | 266 |
| WXQM-(8-12) | 0.116 | 0~580 | 162 | 1.5KW | Φ275 | 1360×670×920 | 380 |
| WXQM-16 | 0.096 | 0~480 | 182 | 3KW | Φ385 | 1640×840×1040 | 470 |
| WXQM-20 | 0.086 | 0~430 | 200 | 4KW | Φ385 | 1640×840×1040 | 730 |
| WXQM-40 | 0.086 | 0~430 | 250 | 5.5KW | Φ430 | 1780×860×1070 | 790 |
| WXQM-60 | 0.062 | 0~310 (1:1.5) | 275 | 7.5KW | Φ490 | 1980×1050×1220 | 1070 |
| WXQM-100 | 0.058 | 0~290 (1:1.5) | 328 | 11kW | Φ578 | 2110×1150×1370 | 1210 |
Working Principle
The heavy-duty horizontal ball mill drives grinding media and materials through the rotation of a horizontal cylinder:
- Cylinder Rotation: The motor, via a reducer, rotates the cylinder around a horizontal axis. Grinding media (steel balls, etc.) inside rise along the cylinder wall to a certain height and then fall freely.
- Grinding Effect: Falling media impact and crush materials, while friction and shearing between materials and media further refine particles.
- Classified Discharging: Materials are ground stage by stage through multi-compartment diaphragms and finally discharged through a grid, realizing continuous production.
Selection Guide
Capacity Requirements
Select cylinder volume based on output: 50L–500L for small-scale production, and above 1000L (e.g., 5000L-class equipment) for large industrial lines.
Material Characteristics
- High-hardness materials require highly wear-resistant linings (e.g., manganese steel or zirconia) and large-sized grinding media.
- Wet grinding needs corrosion-resistant cylinders and sealed structures.
Energy Consumption & Maintenance
- Prioritize models with rolling bearings and variable frequency speed control to reduce energy consumption and improve control accuracy.
- Regularly inspect lining wear and lubrication systems for long-term stable operation.
Special Requirements
- For ultra-fine powders (≤1μm), a forced stirring system or counter-rotating device is recommended to enhance grinding efficiency.
For industries with high cleanliness requirements (pharmaceuticals, food, etc.), full stainless steel structure and pollution-free linings are required.
This heavy-duty planetary ball mill requires proper electrical grounding and overload protection due to its 4 kW motor. Safe operation mandates use of the brake locking mechanism during jar handling and adherence to maximum speed and load limits to prevent mechanical failure.
- Electrical Safety: Ensure the mill is connected to a grounded power supply with appropriate circuit protection rated for the motor's current draw.
- Mechanical Hazard: Engage the brake locking function before lifting, loading, or locking grinding jars to prevent unintended rotation.
- Speed and Load Limits: Do not exceed the maximum jar rotation speed of 430 rpm or the designed load capacity to avoid bearing and gear damage.
- Jar and Media Selection: Use grinding jars and balls that are chemically compatible with the processed materials to avoid contamination or exothermic reactions.
- Environmental Conditions: Operate the mill in a clean, dry, and well-ventilated area to prevent dust accumulation and overheating.
This procedure outlines the safe startup, loading, operation, and discharging steps for the planetary ball mill. Always wear appropriate personal protective equipment and verify all safety interlocks before use.
Required Equipment: Grinding jars, Grinding balls, Lifting and discharging device
- Inspect machine
Inspect the mill for any loose bolts or damaged components before connecting power. - Set operating parameters
Set the jar rotation speed and operating time using the microcomputer touch screen interface. - Engage brake
Engage the brake locking mechanism to secure the main disk before loading jars. - Load jars
Load the grinding jars with sample and grinding balls, then securely lock them onto the jar holders. - Start operation
Release the brake and start the mill, monitoring for abnormal noise or vibration during operation. - Stop and secure
Stop the mill after the set time and re-engage the brake before opening the safety cover. - Discharge material
Use the integrated lifting device to remove the jars and discharge the ground material via the vibrating screen.
What is the trade-off between jar rotation speed and torque when using the WXQM-20 for grinding high-hardness ceramics such as alumina or zirconia?
The WXQM-20 employs a drive ratio of 0.086, limiting jar rotation speed to 0–430 rpm, which prioritizes high torque over maximum speed. This configuration is optimal for pilot-scale grinding of hard materials like alumina and zirconia ceramics, where greater impact and shear forces are required to achieve efficient particle size reduction.
Can the WXQM-20 be configured for wet grinding of MLCC ceramic slurries without introducing contamination?
Yes, the WXQM-20 supports wet grinding with corrosion-resistant cylinders and sealed structures. For high-cleanliness applications such as MLCC production, the selection guide specifies that full stainless steel construction and pollution-free linings are required to avoid contamination and meet purity standards.
What installation and safety infrastructure is required to operate the 730 kg WXQM-20, including the brake locking system?
The WXQM-20 has a net weight of 730 kg and overall dimensions of 1640×840×1040 mm, requiring a reinforced floor and adequate clearance for operation and maintenance. The integrated brake locking function secures the jar holder during lifting, loading, and unloading, and the machine includes an integrated lifting and discharging device with vibrating screen technology for safe jar handling.
The Atomfair WXQM-20 heavy-duty horizontal planetary ball mill employs a dual-disk support bracket structure for enhanced stability and load capacity, suitable for pilot-scale and small-batch production. Its integrated lifting and vibrating screen discharging system accelerates jar handling, though users must plan for regular maintenance of linings and lubrication, and may need additional equipment for sub-micron grinding.
Positive
- Dual-disk support bracket enhances stability: The dual-disk support bracket structure at both ends improves equipment stability and load-bearing capacity, overcoming limitations of light-duty mills for heavy-load applications.
- Integrated lifting and vibrating screen discharging: The combined lifting and vibrating screen discharging technology enables quick jar handling, unloading, and charging, improving production efficiency.
Trade-offs
- Requires regular lining and lubrication inspection: Long-term stable operation depends on periodic inspection of lining wear and lubrication systems, adding routine maintenance overhead.
- Additional equipment needed for ultra-fine powders: For achieving particle sizes ≤1 μm, a forced stirring system or counter-rotating device is recommended, implying the base mill alone may not suffice for ultra-fine grinding.
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).
