Planetary Ball Mills are versatile solutions for grinding and mixing both dry and wet materials.
These mills are ideal for processing soft, hard, brittle, and fibrous samples, ensuring the highest degree of fineness as required. They deliver reproducible results, making them perfect for applications demanding precision and consistency.
In addition to traditional mixing and size reduction processes, these mills meet all technical requirements for colloidal grinding, addressing advanced industrial needs.
The product range includes models such as BM6Pro, BM20, BM40, and BM20Plus, each offering specific features tailored to varying needs.
Product Range
BM6Pro
BM20
BM40
BM20Plus
Sample Type
Soft, Hard, Brittle, and Fibrous.
Related Fields
- Engineering/ Electronics
- Building Materials
- Agriculture
- Pharmaceutical
- Chemical / Synthetic Materials
- Geology / Metallurgy
- Environment / Resource
Recovery - Glass / Ceramic Industry
Typical Sample
- Building Materials: Cement Clinker,
Concrete, Clay Minerals, Limestone, Gypsum,
and Quartz. - Organic Materials: Plant Material, Compost,
Charcoal, Hair, Seeds, and Bones. - Chemical Products: Coatings and paint,
Catalyst, Chemicals, and Pigment. - Industrial Materials: Metal, Carbon Fiber,
Glass, Waste Electronic Products, and Metal
Oxide (including iron ore). - Fibrous Materials: Paper, Fiber Products,
Cellulose, and Polymers. - Miscellaneous: Coke, Coal, Ceramics, and
Bentonite.
Application Example
| BEFORE GRINDING | AFTER GRINDING | PARAMETER | |
 |  | Sample | Glass |
| Grinding Balls | 10mm and 3mm Zirconium Oxide balls | ||
| Sample Characteristic | Hard | ||
| Grinding Time | 30 min | ||
| Remarks | Grinding jars should be placed symmetrically | ||
| BEFORE GRINDING | AFTER GRINDING | PARAMETER | |
 |  | Sample | Granite |
| Grinding Balls | 10mm Stainless Steel balls | ||
| Sample Characteristic | Hard | ||
| Grinding Time | 15 min | ||
| Remarks | Grinding jars should be placed symmetrically | ||
| BEFORE GRINDING | AFTER GRINDING | PARAMETER | |
 |  | Sample | Pearl Powder |
| Grinding Balls | 3mm Zirconium Oxide balls | ||
| Sample Characteristic | Brittle | ||
| Grinding Time | 6 hours | ||
| Remarks | Add liquid, balls, and samples properly | ||
Precision, Performance, and Efficiency
The planetary ball mill features automatic direction reversal to prevent agglomerations, ensuring consistent and precise results. It achieves powerful and quick grinding down to nano-level fineness and delivers reproducible results through programmable grinding parameters. Designed for long-term and continuous operation, it includes a maintenance-free drive system that maintains constant speed, even under maximum load.
User-Friendly Design
This mill combines ergonomic design with safety, providing a comfortable and reliable user experience. The included jarclamping tools ensure easy and secure operation. A digital LED display enhances operational clarity, while models like BM20, BM20Plus, BM40, and BM6Pro feature a one-button ergonomic operation for added convenience.
Versatility in Grinding Options
With customizable speed ratios ranging from 1:1 to 1:3.5, the planetary ball mill accommodates a wide range of grinding needs. It includes four grinding platforms capable of processing 2, 4, or 8 samples simultaneously (BM40) and offers six types of grinding jars with volumes ranging from 12 ml to 4000 ml. The jars are available in robust materials like agate, aluminum oxide, zirconium oxide, and tungsten carbide
Advanced Monitoring and Safety
To enhance safety and monitoring, the planetary ball mill includes a built-in pressure and temperature system that records changes during grinding for better analysis. The grinding chamber is equipped with an automatic ventilation system for jar cooling, along with high-power fans to cool the motor. Intelligent security locks and gas-tight, dust-proof closures provide additional safety during colloidal or wet grinding.
| Grinding Jar Filling Guidelines | ||||||
|---|---|---|---|---|---|---|
| Grinding Jars | BM20/40/6Pro | Recommendation of Grinding Ball Sizes and Quantities | ||||
| Rated Volume | Sample Quantity | Sample Feeding Size | 10mm | 20mm | 30mm | 40mm |
| 50ml | 5-20ml | < 3mm | 10pcs | 2pcs | - | - |
| 80ml | 10-35ml | < 4mm | 25pcs | 4pcs | - | - |
| 125ml | 15-50ml | < 4mm | 30pcs | 6pcs | - | - |
| 250ml | 25-120ml | < 6mm | 60pcs | 13pcs | 6pcs | - |
| 500ml | 75-225ml | < 10mm | 100pcs | 22pcs | 9pcs | 5pcs |
The planetary ball mill operates by utilizing a motor that drives the common sun wheel. Grinding jars attached to the sun wheel rotate around their own axes while simultaneously revolving around the central axis of the sun wheel in the opposite direction, maintaining a 1:2 ratio.
This dual movement creates powerful Coriolis forces, subjecting the grinding balls to superimposed rotational motion. As a result, the grinding balls release high
dynamic energy, causing the samples to be continuously impacted and crushed against the inner walls of the grinding jars.
Customizable Speed Ratio
Torontech's planetary ball mills are available with 1, 2, or 4 grinding stations, offering the flexibility to suit various sample properties. A variety of high-quality grinding materials and ball sizes can be selected to accommodate unique grinding needs. During operation, the system generates extremely high impact energy between the grinding balls and jars, enabling rapid and efficient sample processing. The customizable speed ratio, ranging from 1:1 to 1:3.5, allows for precise control over the energy input and grinding outcomes, ensuring tailored solutions for specific applications.
| BM40 | BM6Pro | BM20 | BM20Plus | |
| Feed size | <10mm | <20mm | ||
| Final fineness | <0.1µm(up to nanometer for colloidal grinding) | |||
| Speed | 30-400rpm | 100-650rpm | 50-650rpm | 30-300rpm |
| Speed ratio | 1:-2.2 | 1:- 2 | 1:- 2 | 1: -1.9 |
| Time | 0-99min(recycle times 01-99) | |||
| Effective sun wheel diameter | 360mm | 260mm | 290mm | 384mm |
| Rated power | 1.5KW | 750W | 750W | 2.2KW |
| Voltage | 220V, 50/60Hz (110V is also available. Please specify when ordering) | |||
| Instrument size(mm) | 784 x 598 x 577 | 685 x 510 x 506 | 685 x 510 x 506 | 610 x 820 x 625 |
| Package size(mm) | 900 x 1020 x 890 | 860 x 960 x 780 | 860 x 960 x 780 | 900 x 1020 x 890 |
| Weight | 418.88 pounds / 190 kg | 275.58 pounds / 125 kg | 319.67 pounds / 145 kg | 429.9 pounds / 195 kg |
