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Ball Grinding Mill
Ball Mill grinds material by rotating a cylinder with steel grinding balls, causing the balls to fall back into the cylinder and onto the material to be ground. The rotation is usually between 4 to 20 revolutions per minute, depending upon the diameter of the mill. The larger the diameter, the slower the rotation. If the peripheral speed of the mill is too great, it begins to act like a centrifuge and the balls do not fall back, but stay on the perimeter of the mill. The point where the mill becomes a centrifuge is called the "Critical Speed", and ball mills usually operate at 65% to 75% of the critical speed.
Applicable materials
Ball Grinding Mill
The ball grinding mill is the key equipment for crushing the material after it is broken. It is widely used in cement, silicate products, new building materials, refractories, fertilizers, black and non-ferrous metal mineral processing and glass ceramics and other production industries, for a variety of ores and other grinding materials dry or wet grinding. Ball mill is suitable for grinding all kinds of ores and other materials, which is widely used in mineral processing, building materials and chemical industry.
Product Parameter
| Model | speed (r/min) | Max.weight of balls(t) | Input size(mm) | Output size(mm) | power(kw) | Weight(t) | Capacity(t/h) |
| Φ900×1800 | 37 | 1.8 | ≤15 | 0.075-0.89 | 15 | 3.4 | 0.5-2 |
| Φ900×2100 | 37 | 2.3 | ≤15 | 0.075-0.4 | 18.5 | 3.9 | 0.4-2 |
| Φ900×3000 | 35 | 3.85 | ≤25 | 0.075-0.4 | 30 | 7.78 | 1.1-2.5 |
| Φ1200×2400 | 35 | 4.6 | ≤25 | 0.075-0.4 | 30 | 8.65 | 1.3-3.2 |
| Φ1200×2800 | 35 | 5.4 | ≤25 | 0.075-0.4 | 37 | 10.02 | 1.5-3.7 |
| Φ1200×4500 | 35 | 8.6 | ≤25 | 0.075-0.4 | 45 | 14 | 2.7-6.79 |
| Φ1500×3000 | 29 | 9 | ≤25 | 0.047-0.4 | 45 | 14.14 | 3.3-8.2 |
| Φ1500×3500 | 29 | 10.5 | ≤25 | 0.047-0.4 | 75 | 15.64 | 3.3-8.5 |
| Φ1500×4500 | 29 | 13.5 | ≤25 | 0.047-0.4 | 90 | 20 | 4.5-12 |
| Φ1830x3000 | 24 | 13.5 | ≤25 | 0.047-0.4 | 135 | 28 | 4-15 |
| Φ1830x3600 | 24 | 14 | ≤25 | 0.047-0.4 | 135 | 29 | 4-15 |
Working principle
Working principle
The ball mill is a horizontal rotating device transmitted by the outer gear. The materials are transferred to the grinding chamber through the quill shaft uniformly. There are ladder liner and ripple liner and different specifications of steel balls in the chamber. The centrifugal force caused by rotation of barrel brings the steel balls to a certain height and impact and grind the materials. The ground materials are discharged through the discharging board thus the grinding process is finished.
When the materials processing, they are transferred to the grinding chamber through the quillshaft uniformly. Firstly the centrifugal force caused by rotation of barrel brings the steel ballsto a certain height, then the steel balls impact and grind the materials into fine powder overa period of several hours. The ground materials are discharged through the dischargingboard ,lastly the grinding process is finished.
Product Details
| Ball Mill grinds | material by rotating a cylinder with steel grinding balls, causing the balls to fall back into the cylinder and onto the material to be ground. The rotation is usually between 4 to 20 revolutions per minute, depending upon the diameter of the mill. The larger the diameter, the slower the rotation. If the peripheral speed of the mill is too great, it begins to act like a centrifuge and the balls do not fall back, but stay on the perimeter of the mill. The point where the mill becomes a centrifuge is called the "Critical Speed", and ball mills usually operate at 65% to 75% of the critical speed. |
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The Ball Mill Ore Grinding Machine has various models with capacities ranging from 0.5 to 15 tons per hour, depending on the specific model.
This ball mill is suitable for grinding a variety of ores and other materials, including those used in cement, silicate products, refractories, fertilizers, and more.
The ball mill operates by rotating a horizontal cylinder, which causes steel balls to rise and fall, impacting the material inside and grinding it into a fine powder.
Choose a model based on the input size, desired output size, and required capacity. Consult the product specifications to find the model that best fits your requirements.
The critical speed is the point where the mill begins to act like a centrifuge. Ball mills typically operate at 65% to 75% of their critical speed for optimal grinding.
Yes, the ball mill can be used for both dry and wet grinding processes, making it versatile for various applications.
The dimensions and weight vary by model. For example, the Φ900×1800 model weighs approximately 3.4 tons, while the Φ1830×3600 model weighs around 15 tons.
Power requirements vary by model, typically ranging from 15 kW to 204 kW, depending on the capacity and specifications of the specific model.
Yes, this ball mill is specifically designed for rock gold mining, effectively grinding ore to extract valuable minerals.
The maximum weight of balls varies by model, with some models allowing up to 10.5 tons of steel balls for effective grinding.
Regular maintenance includes checking for wear on liners, ensuring proper lubrication, and inspecting the steel balls for damage to maintain optimal performance.
Safety features may include protective guards, emergency stop buttons, and safety interlocks to prevent operation when not properly secured.
The lead time for delivery can vary based on manufacturing and shipping conditions, but typically ranges from 4 to 8 weeks after order confirmation.
Yes, installation assistance can be provided, and it is recommended to have qualified personnel for setup to ensure proper operation.
The warranty typically covers manufacturing defects and varies by manufacturer, so it's advisable to check the specific terms at the time of purchase.
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