Used Profile Rolling Mill for sale (20,425)
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Listing
Kłodawa
1,562 km
Weinig 925 Rondomat profile knife grinde
Weinig 925 Rondomat profile knife grindeWeinig 925 Rondomat profile knife grinde
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Condition: excellent (used), Year of construction: 1994, Weinig 925 Rondomat profile knife grinder
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Stock code: 15443
Price: request for quotation $
Subcategory: Knife grinders
Producer: Weinig
Model: 925
Condition: used
Tag number: 15443
Machine type: Grinding machines
UMCC: G6775
Producer: Weinig
Model: 925 Rondomat
Year: 1992
Serial number: 925-438
Description: Weinig 925 Rondomat profile knife grinder
We offer turnkey services with this machine.
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Get a quote
General technical data
Shaft length 9-1/2 inches
Maximum tool diameter 9 inches
Motor 1.5 HP, 220/440 V
8-7/8 Maximum wheel diameter
Variable grinding wheel speeds: 1700, 2000, 2250, 2800 rpm
Relief angle for back relief: 15 - 45 degrees
Axial: 0 - 10 degrees
Cooling liquid
Listing
Zheng Zhou Shi
8,710 km
Ball mill for powder and mining plant
Mingyuan Ball Mill For Fine PowderPowder grinding mill for coal, silica
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Condition: new, functionality: fully functional, power: 55 kW (74.78 HP), Year of construction: 2026, Ball Mill for Powder and Mining Plant: Structure, Function, and Technical Details
A ball mill is a key grinding machine widely used in mining, metallurgy, cement, chemical, and powder-making industries. It is designed to grind various ores and other materials into fine powder through impact and attrition between steel balls and the material inside a rotating cylindrical shell. In mining plants, ball mills are essential for ore beneficiation, preparing materials for flotation, magnetic separation, or leaching processes. In powder production, they ensure uniform particle size and high surface area for further processing.
Working Principle
The ball mill operates on a simple yet effective principle: as the cylindrical shell rotates around its horizontal axis, the grinding media (steel or ceramic balls) are lifted along the inner wall by centrifugal force and friction. When they reach a certain height, they fall freely, striking and grinding the material below. This repeated motion causes both impact and abrasion, reducing the material to the desired fineness. The grinding process can be performed in dry or wet conditions depending on the application.
Structural Composition
A standard ball mill consists of several main components:
Feeding part: Equipped with a feeder or screw conveyor to ensure uniform material input.
Discharging part: Can be grate type or overflow type, depending on the discharge method.
Rotating part: The cylindrical shell made of steel plates, lined with wear-resistant liners.
Transmission system: Includes motor, reducer, small transmission gear, and electrical control.
Grinding media: Steel balls or ceramic balls of different diameters for efficient grinding.
The internal liner design and ball size distribution are optimized to achieve maximum grinding efficiency and minimal energy consumption.
Technical Details
Typical Specifications:
Feeding size: ≤25 mm
Discharge size: 0.074–0.4 mm
Capacity: 0.65–615 t/h (depending on model and material hardness)
Cylinder speed: 18–38 r/min
Power: 18.5–4500 kW
Liner material: High manganese steel, rubber, or alloy steel
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Grinding media load: 30–45% of cylinder volume
Operating Modes:
Dry grinding: Suitable for materials that must remain moisture-free, such as cement clinker, limestone, and quartz.
Wet grinding: Common in ore beneficiation, where water or slurry improves grinding efficiency and particle uniformity.
Application in Mining Plants
In mining operations, ball mills are used after crushing to further reduce ore size and liberate valuable minerals. They are integrated into grinding circuits with classifiers, hydrocyclones, and flotation systems. The ground material is classified by size, and oversized particles are returned to the mill for regrinding. This closed-circuit system ensures consistent product fineness and efficient energy use.
Common Applications:
Gold, copper, iron, and zinc ore grinding
Cement clinker and slag processing
Silicate and ceramic powder production
Coal and mineral powder preparation
Conclusion
A ball mill is an indispensable piece of equipment in both powder production and mining beneficiation plants. Its ability to grind materials into fine, uniform particles makes it vital for downstream processes such as flotation, sintering, and chemical reactions.
Listing
Zheng Zhou Shi
8,710 km
Crushing equipment
Mingyuan Dry and Wet Ball MillCustomerizable Model for ball mill plant
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Condition: new, functionality: fully functional, Year of construction: 2026, Dry and Wet Ball Mill: Structure, Operation, and Technical Details
A ball mill is a fundamental grinding device used in mineral processing, cement manufacturing, chemical production, and other industrial applications. It works by rotating a cylindrical shell filled with grinding media—usually steel balls—causing impact and friction that reduce materials to fine powder. Based on the grinding environment, ball mills are classified into dry and wet types, each suited for specific materials and process requirements.
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Working Principle
Both dry and wet ball mills operate on the same mechanical principle. The rotating cylinder, driven by a motor through a gear system, lifts the grinding media and material along the inner wall. As the rotation continues, the balls fall under gravity, striking and grinding the material. The difference lies in the presence or absence of a liquid medium during grinding.
Dry Ball Mill
A dry ball mill is used when the material must remain moisture-free or when water could affect product quality. It is commonly applied in cement clinker, limestone, quartz, and refractory material grinding. The discharge can be either grate type or overflow type, depending on the desired fineness.
Technical Features:
Feeding size: ≤25 mm
Discharge size: 0.075–0.4 mm
Capacity: 0.65–90 t/h
Liner material: High manganese steel or wear-resistant alloy
Drive system: Gear-driven or direct-coupled motor
Dust control: Equipped with air exhaust and dust collector
Advantages:
Suitable for materials sensitive to moisture
No drying process required after grinding
Lower corrosion risk and simpler maintenance
Easier material classification and separation
Limitations:
Dry grinding produces more dust and heat, requiring efficient ventilation and dust collection systems.
Wet Ball Mill
A wet ball mill operates with water or another liquid medium added to the material. The slurry formed during grinding improves efficiency by reducing friction and preventing excessive heat buildup. It is widely used in ore beneficiation, ceramics, and chemical industries.
Technical Features:
Feeding size: ≤25 mm
Discharge size: 0.074–0.2 mm
Capacity: 0.65–615 t/h
Liner material: Rubber or high-chromium steel
Discharge method: Overflow or grate type
Auxiliary equipment: Classifier, pump, and thickener for slurry circulation
Advantages:
Higher grinding efficiency and finer particle size
Reduced dust and noise levels
Continuous operation suitable for beneficiation circuits
Better control of particle uniformity
Limitations:
Requires drying if the final product must be in powder form and involves more complex slurry handling.
The selection between dry and wet grinding depends on the material characteristics, downstream process, and environmental conditions. Dry mills are preferred for materials that must stay moisture-free, while wet mills are ideal for fine grinding and slurry-based processes.
Conclusion
Dry and wet ball mills share the same mechanical structure but differ in their grinding environment and application scope. The dry type offers simplicity and low maintenance for moisture-sensitive materials, while the wet type provides higher efficiency and finer output for mineral and chemical processing. Understanding their technical parameters and operational differences ensures optimal equipment selection, improved productivity, and reliable performance in industrial grinding operations.
Listing
Zheng Zhou Shi
8,710 km
Crushing equipment
Hammer crusher /Hammer milllimestone, coal gangue,concrete crusher
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Condition: new, power: 55 kW (74.78 HP), Year of construction: 2026, A hammer crusher is a machine that uses high-speed rotating hammers to crush and break materials into smaller pieces. It is commonly used in various industries, including mining, cement, construction, metallurgy, and chemical processing. The basic principle of a hammer crusher involves a central rotor with hammers or blades that rotate and impact the material being crushed against a hard surface.
Here are the key features and components of a typical hammer crusher:
1. Rotor:
- The rotor is a central component of the hammer crusher. It usually consists of a shaft with multiple discs or hammers attached.
- The rotor's rotation causes the hammers to swing outward, impacting the material.
2. Hammers:
- Hammers are the striking or crushing elements attached to the rotor. They can be fixed or pivotally attached.
- The material is crushed as the hammers impact it, generating kinetic energy.
3. Casing or Housing:
- The casing or housing encloses the rotor and hammers, providing structural support and safety.
- It also serves to contain the crushed material and direct it to the desired discharge point.
4. Grate Bars or Screens:
- Positioned at the bottom of the crusher casing, grate bars or screens control the size of the crushed material by allowing smaller particles to pass through while keeping larger ones inside for further crushing.
5. Impact Plate:
- Located near the bottom of the crusher, the impact plate absorbs the impact energy generated by the hammers and prevents excessive wear on the casing.
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6. Drive System:
- The hammer crusher is powered by a motor connected to the rotor through a drive belt or coupling.
- The motor provides the necessary power to rotate the rotor, enabling the hammers to crush the material.
7. Adjustable Discharge:
- Some hammer crushers feature an adjustable discharge, allowing users to control the size of the crushed material by adjusting the gap between the impact plate and the hammers.
8. Applications:
- Hammer crushers are used for crushing a variety of materials, including coal, limestone, gypsum, aggregates, and various minerals.
- They are commonly employed in the mining industry for primary and secondary crushing of ore.
- In the cement industry, hammer crushers are used to crush limestone and other materials before they are mixed into the raw meal.
9. Maintenance and Safety:
- Regular maintenance is essential to ensure the efficient operation of a hammer crusher. This includes checking and replacing worn hammers, inspecting the rotor, and lubricating moving parts.
- Safety features, such as access doors and safety guards, are typically incorporated to prevent accidents during operation and maintenance.
Technical Specifications (Typical MINGYUAN Series)
Model Category,Max Feed Size,Capacity (t/h),Motor Power (kW),Rotor Speed (rpm)
Small (PC-400), ≤100mm, 5 – 10, 11, "1,000"
Medium (PC-800),≤200mm, 20 – 50, 55, 750 – 900
Heavy (PC-1200),≤350mm, 80 – 110, 132 – 160, 600 – 750
Heavy Hammer,"≤1,200mm", "500 – 1,000+ ","400 – 1,000" ,Variable
Listing
Zheng Zhou Shi
8,710 km
Mill / grinding mill
Batch Ball Mill, Silica grinding millQuartz ball mill, silica powder grinding
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Year of construction: 2026, condition: new, ceramic ball mill ,Batch ball mill ,also called ceramic ball mill ,it is used for fine grinding of feldspar,quartz,clay,ore and so on.The ceramic ball mill is mainly used for material mixing, grinding,uniform product fineness,and saving power.It can be dry or wet.The machine can use different liner types according to production needs to meet different needs.The fineness of the grinding operation is controlled by the grinding time
ceramic ball mill Working principle
when ball mill working,steel balls inside drum will rotate with the drum to some height,and then steel balls fall down with materials to reach the point of grinding.
Working Principle of Ceramic ball mill
ceramic ball mill ,Intermittent ball mill grinding operation is finished in the cylinder body. When the cylinder rotates, materials ascend to a certain height and then fall along a certain path due to the balls' gravity. Two forces are generated on the balls inside. One is the force on balls through tangent direction; the other is a opposite force in the contrast to the diameter of balls, as a result of the force generated when the balls slide down. These two forces will constitute a couple for the steel balls. The balls are squeezed between the cylinder and the adjacent steel balls, so the couple can make unequal-sized friction force. The balls will orbit along with the cylinder axis and then fall down, which can produce a strong impact force on the ores in the cylinder body and, as a result, the ores will be crushed. In conclusion, the ores in the cylinder body are mainly crushed by composite effect of peeling force, impact force and extrusion force.
Ceramic ball mill also named Intermittent ball mill which adopts the wet intermittent operation, is used for fine grinding and mixing the material such as feldspar, quartz, clay ceramic raw materials. The discharging and the mud size can through through 1000 sieve pore. This machine is high milling machinery, materials should be Broken in the fineness of the state into the grinding mill to get the highest efficiency and economic benefits.
The cement mill is key equipment for the grinding process of the cement clinker after the crushing process of it. It is mainly used in the cement silicate product industry. After long term design and manufacture of the cement mill, our company now has series of cement mill with various specifications to meet with different requirement from our customers.
Features of Cement Mill
Our company adopts suitable transmission methods according to different specifications. We have brim drive and center drive as transmission form. The cylinder adopts new type step lining to increase the grinding area. And it is easily repairable and changeable. The new designed separate-chambered structure adopts flexible lifting blade and fixed lifting blade and it is easily fixed and repaired.
Technical Details
We have different models and options for different requirements, please contact us for more info.
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Listing
Zheng Zhou Shi
8,710 km
Glass grinding machine
Henan Mingyuan Ceramic /Silica Ball MillBatch ball mill for glass ceramic making
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Condition: new, Year of construction: 2026, power: 7.5 kW (10.20 HP), Batch ball mills find applications in various industries where the processing of materials in discrete batches is required. The versatility of batch ball mills makes them suitable for a range of applications. Here are some common batch ball mill applications:
1. Ceramics Industry:
- *Glaze Preparation:* Batch ball mills are extensively used in the ceramics industry for preparing glazes. Raw materials such as feldspar, quartz, and clay are ground with ceramic balls to achieve the desired particle size for glaze formulation.
2. Chemical Industry:
- *Material Grinding:* Batch ball mills are used for grinding and blending various chemical materials. This includes the production of pigments, dyes, and other specialty chemicals where precise particle size control is crucial.
3. Pharmaceuticals:
- *Drug Formulation:* In pharmaceutical manufacturing, batch ball mills are used for grinding and blending powders to create drug formulations. The controlled environment provided by these mills is essential for maintaining the integrity of pharmaceutical compounds.
4. Food Industry:
- *Ingredient Mixing:* Batch ball mills may find application in the food industry for mixing and grinding ingredients. This can include the production of food additives, flavorings, and other powdered or granular products.
5. Mining and Minerals Processing:
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- *Ore Grinding:* Batch ball mills are used in mining and minerals processing for grinding minerals and ores. The controlled grinding helps in obtaining the desired particle size for subsequent processes, such as mineral separation or extraction.
6. Paints and Coatings:
- *Pigment Dispersion:* In the paints and coatings industry, batch ball mills are employed for dispersing pigments into paint formulations. Achieving a uniform particle size is crucial for the quality and appearance of the final coating.
7. Building Materials:
- *Raw Material Grinding:* Batch ball mills are used in the preparation of raw materials for the production of building materials, such as cement and concrete. Grinding of materials like limestone and clay helps in obtaining the desired fineness for subsequent processes.
8. Electronic Materials:
- *Ceramic Powder Processing:* In the electronics industry, batch ball mills can be employed for processing ceramic powders used in the production of electronic components and insulating materials.
9. Research and Development:
- *Material Testing:* Batch ball mills are often used in research and development laboratories for testing and optimizing material formulations. They provide a controlled environment for small-scale processing and experimentation.
10. Customized Applications:
- *Specialized Processes:* Batch ball mills can be adapted for various specialized processes in different industries where precise grinding and mixing are required. Custom modifications can be made based on specific application requirements.
When using a batch ball mill, it's important to consider factors such as the type of material being processed, desired particle size, and the specific requirements of the end product. Additionally, following the manufacturer's guidelines and maintaining proper operating conditions are essential for efficient and effective milling processes.
Technical details
We have different options for different requirements, please contact our team for more info.
Listing
Zheng Zhou Shi
8,710 km
Cement mill,clinker grinding plant
Clinker grinding mill / cement ball millcement grinding with air classifier
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Year of construction: 2026, condition: new, functionality: fully functional, A cement clinker grinding mill is a specialized equipment used to grind the hard nodular clinker into fine powder, which is cement. Most cement is currently ground in ball mills and also vertical roller mills, which are more effective than ball mills.
Here are key features and information about cement clinker grinding mills:
1. Raw Materials:
- The main raw material for making cement is clinker, which is produced by sintering limestone and clay. Other materials such as gypsum, fly ash, or slag may also be added during the grinding process to achieve specific properties.
2. Grinding Process:
- The clinker and other additives are finely ground in the grinding mill to produce cement. The grinding process is a crucial step in cement production and contributes significantly to the final quality of the product.
3. Types of Mills:
- Ball Mills: Traditional ball mills are commonly used for grinding clinker. They operate by rotating a cylinder with steel grinding balls, causing the balls to fall back into the cylinder and onto the material to be ground.
- Vertical Roller Mills (VRM): VRM technology has become increasingly popular for clinker grinding. These mills use a rotating table with rollers to crush and grind the clinker, providing energy efficiency and a smaller footprint compared to ball mills.
4. Gypsum Addition:
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- Gypsum is often added during the grinding process to control the setting time of the cement. It prevents flash setting of the clinker and facilitates the formation of a workable and pumpable cement paste.
5. Quality Control:
- Quality control measures, such as monitoring the fineness of the cement, chemical composition, and other properties, are implemented during the grinding process to ensure the final product meets the required specifications and standards.
6. Clinker Cooling:
- Before grinding, the clinker is produced by heating the raw materials in a kiln. The clinker is then cooled before entering the grinding mill to prevent excessive heat build-up during grinding.
7. Dust Collection and Environmental Considerations:
- Dust collectors and air pollution control systems are often employed to capture and control the dust generated during the grinding process, addressing environmental and safety concerns.
8. Packaging and Storage:
- After grinding, the cement is typically stored in silos before being packaged in bags or dispatched in bulk for distribution to construction sites or for sale in the market.
Cement clinker grinding mills play a crucial role in the cement production process, and advancements in technology continue to improve the efficiency and environmental sustainability of the grinding process.
Technical details
We have different options for different requirements, please contact our team for more info.
Listing
Zheng Zhou Shi
8,710 km
Powder grinding mill
ball mill for mining &fine powder makingsilica/Barite/limestone powder plant
Call
Condition: new, Year of construction: 2026, power: 300 kW (407.89 HP), Ball Mill for Mining & Fine Powder Making:
A ball mill is a fundamental grinding device widely used in mining, metallurgy, cement, and chemical industries. It is designed to grind ores and other materials into fine powder through impact and attrition between steel balls and the material inside a rotating cylindrical shell. In mining plants, ball mills are essential for ore beneficiation, while in powder-making industries, they ensure uniform particle size and high surface area for further processing.
Working Principle
The ball mill operates on the principle of impact and friction. As the cylindrical shell rotates around its horizontal axis, the grinding media—usually steel or ceramic balls—are lifted along the inner wall by centrifugal force and friction. When they reach a certain height, they fall freely, striking and grinding the material below. This repeated motion breaks down the material into fine particles. The process can be carried out in dry or wet conditions depending on the application.
Structural Composition
A standard ball mill consists of several main components:
Feeding part: Ensures uniform material input through a feeder or screw conveyor.
Discharging part: Can be grate type or overflow type, depending on the discharge method.
Rotating part: The cylindrical shell made of steel plates, lined with wear-resistant liners.
Transmission system: Includes motor, reducer, small transmission gear, and electrical control.
Grinding media: Steel or ceramic balls of various diameters for efficient grinding.
The internal liner design and ball size distribution are optimized to achieve maximum grinding efficiency and minimal energy consumption.
Technical Details/Typical Specifications:
Feeding size: ≤25 mm
Discharge size: 0.074–0.4 mm
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Capacity: 0.65–615 t/h (depending on model and material hardness)
Cylinder speed: 18–38 r/min
Power: 18.5–4500 kW
Liner material: High manganese steel, rubber, or alloy steel
Grinding media load: 30–45% of cylinder volume
Operating Modes:
Dry grinding: Used for materials that must remain moisture-free, such as cement clinker, limestone, and quartz.
Wet grinding: Common in ore beneficiation, where water or slurry improves grinding efficiency and particle uniformity.
Application in Mining and Powder Production
In mining operations, ball mills are used after crushing to further reduce ore size and liberate valuable minerals. They are integrated into grinding circuits with classifiers, hydrocyclones, and flotation systems. The ground material is classified by size, and oversized particles are returned to the mill for regrinding. This closed-circuit system ensures consistent product fineness and efficient energy use.
In fine powder production, ball mills are used to produce materials such as silicate, ceramic powder, refractory materials, and chemical raw materials. The uniform particle size achieved by ball milling enhances product quality and performance in downstream applications.
Conclusion
A ball mill is an indispensable piece of equipment for both mining and fine powder making. Its ability to grind materials into fine, uniform particles makes it vital for ore beneficiation and industrial powder production. With flexible configurations, high efficiency, and reliable operation, modern ball mills provide a cost-effective and energy-efficient solution for large-scale grinding, ensuring consistent quality and productivity across diverse applications.
Listing
Zheng Zhou Shi
8,710 km
Roll forming line
Rod ball mill / Rod Grinding MillFor Sand and mining beneficiation plant
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Condition: new, Year of construction: 2026, We have various kinds of ball grinding mill such as batch ball mill, rod mill, cement ball mill, mining ball mill, welcome to contact our team for further details according to your specific requirements.
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Listing
Zheng Zhou Shi
8,710 km
Fine Powder Grinding Plant
Cement mill & Ultrafine Grinding MillFine Powder Grinding Plant
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Condition: new, functionality: fully functional, Year of construction: 2026, Cement Mill & Ultrafine Grinding Mill
🏗️ Introduction to Cement Mill & Ultrafine Grinding Mill
In the world of construction and materials processing, achieving the right particle size is essential. Introducing the Cement Mill and Ultrafine Grinding Mill—two pivotal machines designed to deliver superior grinding performance for cement production and ultrafine materials. Let’s dive into their features and applications! 💼
🔥 What is a Cement Mill?
A Cement Mill is a crucial piece of equipment in cement production. It grinds clinker, gypsum, and other additives to produce fine cement powder. This machine ensures the optimal particle size for high-quality cement, essential for building robust structures. 🚀
🔧 What is an Ultrafine Grinding Mill?
An Ultrafine Grinding Mill is designed to produce extremely fine powders from various raw materials, such as minerals, chemicals, and industrial waste. It operates at high efficiency, delivering ultra-fine materials for advanced applications like coatings, plastics, and ceramics. 🌟
💼 Key Benefits of Using Cement Mill & Ultrafine Grinding Mill
1. High Efficiency: Both mills are engineered for maximum efficiency, ensuring rapid processing times and reduced energy consumption. 🌿💡
2. Superior Grinding Performance: Achieve consistent, high-quality output with precise control over particle size. 🏭
3. Versatility: Suitable for a wide range of materials, making them essential for various industrial applications. 🌳
4. Durability and Reliability: Built with robust materials, these mills offer long-lasting performance in demanding industrial environments. 💪
📈 Applications in Industry
Cement Mill Applications:
1. Cement Production: Essential for producing high-quality cement for construction projects.
2. Infrastructure Development: Used in creating concrete for roads, bridges, and buildings.
Ultrafine Grinding Mill Applications:
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1. Mineral Processing: Producing ultra-fine powders for advanced material applications.
2. Chemical Manufacturing: Used in creating fine chemicals for various industrial processes.
3. Environmental Applications: Grinding industrial waste for recycling and reuse. ♻️
🌟 Conclusion
Whether you’re in construction, materials processing, or advanced manufacturing, the Cement Mill and Ultrafine Grinding Mill are indispensable tools. Their efficiency, versatility, and superior performance make them a valuable addition to any production line. Contact us today to learn more about these innovative machines and how they can revolutionize your operations! 📞
Listing
Zheng Zhou Shi
8,710 km
Ball Mill for Ore mining & sand grinding
batch ball mill & wet mining ball mill2400X4500 ball mill
Call
Condition: new, fuel type: electric, Year of construction: 2026, machine/vehicle number: 2700x4500, Equipment: low noise, Main Technical parameters of the ball mill
Drum diameter: 2400mm
Drum length: 4500mm
Motor power: 320KW
Max input size: 25mm
Capacity:35-60 t/h
Weight: 72Tons
Ball loading: 30Tons
Besides this model, we also have the other models like 2700x4500, 3200x4500, 1830x13000mm, and so on, and we can also offer customerization service, we can also provide complete grinding solution for various industries like cement, quartz, ore beneficiation plant, and so on, welcome to contact us for more info.
A ball mill is a common grinding machine used to grind and blend materials for use in mineral processing, including ore mining and the production of silica (silicon dioxide). When it comes to ore mining and silica grinding, the characteristics of the ore and the final product requirements will play a crucial role in selecting the appropriate ball mill.
Here are some considerations for using a ball mill in ore mining and silica grinding:
1. Ore Characteristics:
- Hardness: The hardness of the ore determines the type of ball mill that is most suitable. Harder ores may require a more robust and wear-resistant ball mill.
- Particle Size Distribution: The initial particle size of the ore affects the grinding process. Different ores may require different approaches to achieve the desired particle size.
2. Silica Grinding:
- Silica Content: If the primary goal is to grind silica, it's important to consider the initial silica content and the desired final particle size. Silica grinding often requires special attention to prevent excessive wear on the milling equipment.
3. Ball Mill Type:
- Overflow vs. Grate Discharge: The type of discharge from the ball mill can impact the final product and the grinding efficiency. Overflow mills are generally used for most grinding applications, while grate discharge mills are more suitable for certain types of ores.
4. Mill Size and Capacity:
- Mill Diameter and Length: The size of the ball mill should be selected based on the amount of material to be ground and the desired throughput.
- Capacity: Ensure that the chosen ball mill has the capacity to handle the required volume of material efficiently.
5. Grinding Media:
- Material and Size: The choice of grinding media (balls or cylpebs) and their size depends on the hardness of the ore and the desired final particle size. Different grinding media materials can impact the purity of silica during grinding.
6. Liners and Lifting Aids:
- Liners: Consider the type of liners used in the ball mill to protect the shell and optimize the grinding process.
- Lifting Aids: Some mills use lifting aids to enhance the grinding action and promote better mixing of the material.
7. Control and Monitoring Systems:
- Automation: Utilize control systems to automate the milling process and ensure optimal performance.
- Monitoring: Regularly monitor the milling process to adjust parameters as needed for consistent and efficient operation.
8. Safety Measures:
- Safety Systems: Implement safety features to protect personnel and equipment during operation.
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Always follow the manufacturer's recommendations and guidelines for operation and maintenance to ensure safe and efficient use of the ball mill in ore mining and silica grinding applications.
Listing
Zheng Zhou Shi
8,710 km
Powder grinding machine
Fine powder grinding mill, clinker millSuperfine ball mill for micro powder
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Condition: new, Year of construction: 2026, A superfine ball mill is a type of milling machine that is used to grind materials into very fine particles. This type of ball mill has some distinctive features that make it especially suitable for processing even the hardest materials with low contamination and minimal wear. It is commonly used in various industries, including pharmaceuticals, minerals, pigments, and chemicals, for producing micro powder or nanoparticles.
Here are some key features and considerations for a superfine ball mill for micro powder:
1. High Grinding Efficiency: Superfine ball mills are designed to achieve high grinding efficiency by utilizing grinding media with a relatively small size, leading to a large surface area for grinding.
2. Precision Control: These mills often come with advanced control systems to regulate parameters like rotation speed, temperature, and grinding time, allowing precise control over the particle size distribution.
3. Specialized Design: The mill is typically designed with features to minimize contamination, such as using materials resistant to wear and corrosion. Some mills also have cooling systems to prevent overheating during the milling process.
4. Variety of Materials: Superfine ball mills can handle a wide range of materials, including both brittle and fibrous substances. They are often used for milling hard materials that require fine grinding, such as ceramics, minerals, or pigments.
5. Size Reduction to Micro or Nano Level: The primary goal of a superfine ball mill is to reduce particle size to the micro or even nano level. This is achieved by the intense grinding action that occurs within the mill.
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6. Classifier System: Some superfine ball mills incorporate a classifier system to control the particle size distribution more precisely. This allows for the separation of fine particles from coarser ones during the milling process.
7. Batch or Continuous Operation: Depending on the specific design, these mills can operate in either batch or continuous mode, offering flexibility based on the production requirements.
8. Safety Measures: Safety features may be included, such as monitoring and control systems to prevent overloading, overheating, or other potential issues during operation.
When selecting a superfine ball mill for micro powder production, it's important to consider the specific requirements of your application, the characteristics of the materials you're working with, and the desired final particle size distribution. Always follow the manufacturer's guidelines for operation, maintenance, and safety to ensure optimal performance and longevity of the equipment.
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Baden-Württemberg
1,367 km
CNC turning and milling center
StamaMC 734 MT 5
Condition: ready for operation (used), Year of construction: 2007, operating hours: 19,357 h, functionality: fully functional, spindle speed (max.): 12,000 rpm, travel distance X-axis: 800 mm, travel distance Y-axis: 520 mm, travel distance Z-axis: 510 mm, controller model: Fanuc Series 31i-Model A5, TECHNICAL DETAILS
X-axis travel: 800 mm
Y-axis travel: 520 mm
Z-axis travel: 510 mm
Milling spindle: 12,000 rpm
Tool holder: Capto C6
Rapid traverse: 60 m/min
MACHINE DETAILS
Control: Fanuc Series 31i-Model A5
Chain tool magazine: 48 positions
Additional magazine: 90 positions
Operating hours
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Total operating hours: approx. 48,974 h
Machining time: 19,357 h
EQUIPMENT
Coolant system
Chip conveyor
Note: Clara extraction unit is not included in the scope of delivery.
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Baden-Württemberg
1,350 km
Slot milling machine
CALVETSlot Cutter
Condition: not inspected (used), functionality: unexamined, No minimum price – guaranteed sale to the highest bidder!
Placing a bid obligates timely collection either between 11/05/2026 and 13/05/2026, or between 18/05/2026 and 21/05/2026!
TECHNICAL DETAILS
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Dimensions & Weight
Dimensions (L x W x H): 4000 x 1000 x 1600 mm
Machine weight: 400 kg
EQUIPMENT
Support surfaces on the right and left
External reference: Groven - Lot 8
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Baden-Württemberg
1,350 km
Hobby milling machine
STEPCRAFTD.420
Year of construction: 2019, condition: not inspected (used), functionality: unexamined, travel distance X-axis: 300 mm, travel distance Y-axis: 450 mm, travel distance Z-axis: 150 mm, machine/vehicle number: 24952, No reserve price – guaranteed sale to the highest bidder!
By placing a bid, you commit to timely collection either between 11/05/2026 and 13/05/2026 or between 18/05/2026 and 21/05/2026!
TECHNICAL DETAILS
Travel X-axis: approx. 300 mm
Travel Y-axis: approx. 450 mm
Travel Z-axis: approx. 150 mm
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MACHINE DETAILS
Dimensions & Weight
Dimensions (L x W x H): 1,300 x 800 x 1,500 mm
Machine weight: 150 kg
EQUIPMENT
STEPCRAFT MM1000 milling unit
External reference: Lot 64 / Wittner
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Baden-Württemberg
1,350 km
Milling machine
EMCOCONCEPTMILL 55
Condition: ready for operation (used), functionality: fully functional, No reserve price – guaranteed sale to the highest bidder!
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Placing a bid obliges you to collect the item within the specified time frame: either between 11.05.2026 and 13.05.2026 or between 18.05.2026 and 21.05.2026.
TECHNICAL DETAILS
Travel X: 190 mm
Travel Y: 140 mm
Travel Z: 260 mm
Tool holder: SK 30 (presumably)
Maximum tool clamping length: 35 mm
Table dimensions: 420 x 120 mm
Jaw width: 60 mm
MACHINE DETAILS
Control: EMCO EASY 2 CONTROL (HEIDENHAIN TNC 640, SIEMENS SINUMERIC 840)
Operating voltage: 230 V
Frequency: 50 – 60 Hz
Rated current: 2.8 A
EQUIPMENT
Special machine vice: EMCO vice with 2 slots
Mobile workbench: incl. various suitable contents
Tool changer: 7 positions
Collets
Various suitable tool holders
Note: An identical machine with the same specifications will be delivered, but not necessarily the exact unit shown in the photos.
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Rheinland-Pfalz
1,138 km
Planer-type milling machine - double column
FookeEndura
Condition: ready for operation (used), Year of construction: 1995, functionality: fully functional, travel distance X-axis: 2,500 mm, travel distance Y-axis: 1,750 mm, travel distance Z-axis: 1,000 mm, controller model: Siemens NCU 840 W Serie 2, number of axes: 5, TECHNICAL DETAILS
Travel X-axis: 2,500 mm
Travel Y-axis: 1,750 mm
Travel Z-axis: 1,000 mm
A-axis: 20 arcseconds
C-axis: 30 arcseconds
Rapid traverse X-axis: 17 m/min
Rapid traverse Y-axis: 17 m/min
Rapid traverse Z-axis: 10 m/min
Rapid traverse A-axis: 9 rpm
Rapid traverse C-axis: 80 rpm
Infinitely variable feed X and Y axes: up to 15,000 mm/min
Feed Z-axis: up to 4,000 mm/min
Table plate: St 52-3
Table dimensions (L x W): 3,631 x 1,200 mm
Milling head: FK 115 - SK40
Speed: 14–1,000 rpm
Bearing: A9 LC8
CNC A-axis: spindle swivel axis
A-axis
Swivel angle: ±120 degrees
Torque: 450 Nm
Speed: 8 rpm
Resolution: 20 arcseconds
Clamping: hydraulic
C-axis
Rotation angle: 365 degrees
Torque: 580 Nm
Speed: max. 8 rpm
Resolution: 30 arcseconds
Clamping: hydraulic
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MACHINE DETAILS
Control: Siemens NCU 840 W Series 2
CNC controlled axes: 5
Voltage: 400 V 50 Hz
Power: approx. 35 kW
Weight: 18,500 kg
EQUIPMENT
Swarf conveyor
Sliding door
Side window
Tool changer stationary at center of machine/ rear crossbeam
Disc magazine with 16 stations SK40
Heidenhain length measuring system
Note: The seller can arrange an external service provider for the removal of the machine.
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Berlin
1,453 km
CNC turn-mill center
DMG MoriNLX 2500 Y | 700
Condition: ready for operation (used), Year of construction: 2016, functionality: fully functional, machine/vehicle number: 7024NL256160890J, spindle speed (max.): 10,000 rpm, travel distance Y-axis: 200 mm, rotational speed (max.): 4,000 rpm, bar diameter (max.): 80 mm, distance between centers: 700 mm, Condition: Ball screw drives in X, Y, and Z axes replaced; major maintenance package carried out approx. one year ago (machine has not been in operation since)!
TECHNICAL DETAILS
Distance between centers: 700 mm
Spindle speed range: 1 - 4,000 rpm
Tool spindle speed: 10,000 rpm
Bar capacity: 80 mm
Mounting: MT5, revolving tailstock
Without center
Turret: 12 stations, bolt-on turret
Overhang for driven tools: ±100 mm
Assemblies: Integrated MK4 bearing for live center
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Chip and coolant system:
Scraper-type chip conveyor with magnetic separator, discharge height approx. 1,000 mm
Coolant system: high pressure 5 bar, pump 800 W, delivery rate 20 l/min
Coolant shower at chuck, including high-performance pump
Compressed air blow-off system for tool holder sleeves
Compressed air blow-off system for tailstock live center
Line filter for coolant system
MACHINE DETAILS
Control: M730UM, CELOS - ERGOline Touch
Total power: 18.5 / 18.5 / 15 kW (25% duty cycle / 50% duty cycle / continuous)
Tool spindle power: 5.5 / 5.3 / 7 kW (3 min / 5 min / continuous)
EQUIPMENT
Interface for oil mist separator (diameter: 150 mm)
Signal beacon: red, yellow, green, blue
EtherNet/IP interface for automation
Robot interface for portal robot DMG Mori Seiki
Transformer: 45 kVA, three-phase autotransformer
X-axis direction ISO
Note: The machine is supplied without a chuck, tool pre-setter, or workholding devices.
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Baden-Württemberg
1,394 km
CNC turning and milling center
DMG GILDEMEISTERCTV 250
Condition: ready for operation (used), Year of construction: 2008, operating hours: 61,440 h, functionality: fully functional, machine/vehicle number: 06800003891, rotational speed (max.): 5,000 rpm, controller model: Siemens 840D powerline, Equipment: chip conveyor, documentation/manual, TECHNICAL DETAILS
Max. speed: 5,000 rpm
MACHINE DETAILS
Control: Siemens 840D powerline
Electrical Data
Apparent power: 50 kVA
Rated current: max. 72 A
Current: 80 A
Mains voltage: 400 V
Frequency: 50 Hz
Control voltage: 230 V
Voltage: 24 V
Operating hours: approx. 76,300 h
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Spindle hours: approx. 61,440 h
EQUIPMENT
Pallet circulation system
Material conveyor belts for machined parts
Chip conveyor
Documentation/manual
Note: The machine is sold without chuck, tools or raw part holders.
Additionally, the seller can offer the following accessories:
SMW KNCS225 chuck for €1,500
Ewab pallets (base pallets) 10 units for €500
Extension of transport belts for finished parts €2,000
Basic holder set VDI 40 suitable for the machine, 10 units for €1,000
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Rheinland-Pfalz
1,144 km
CNC turning and milling center
MazakIntegrex e-500 HS U1500
Condition: ready for operation (used), Year of construction: 2005, operating hours: 60,683 h, functionality: fully functional, turning length: 1,524 mm, turning diameter: 820 mm, spindle speed (max.): 3,300 rpm, rapid traverse X-axis: 40 m/min, milling spindle speed (max.): 10,000 rpm, TECHNICAL DETAILS
Turning length: 1,524 mm
Turning diameter: 820 mm
Travel X-axis: 870 mm
Travel Y-axis: 500 mm
Travel Z-axis: 1,598 mm
Main spindle
Max. spindle speed: 3,300 rpm
Main spindle drive power: 30 kW / 22 kW
Max. torque main spindle: 588 Nm
Main spindle nose: A2-11"
Spindle bore: 104 mm
Indexing: 0.0001
Sub spindle
Max. spindle speed: 3,300 rpm
Sub spindle drive power: 30 kW / 22 kW
Max. torque sub spindle: 588 Nm
Sub spindle nose: A2-11"
Indexing: 0.0001
Milling spindle
Milling spindle drive power: 37 kW
Max. torque milling spindle: 260 Nm
Milling spindle speed range: 0-10,000 rpm
Rapid traverse X-axis: 40 m/min
Rapid traverse Y-axis: 40 m/min
Rapid traverse Z-axis: 40 m/min
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MACHINE DETAILS
Control: Mazatrol 640M PRO
Tool holder: SK50
Number of tool stations: 120
Operating voltage: 400 V / 50 Hz
Connected load: 104 kVA
Required floor space (L x W): 7 x 3.5 m
Operating hours: 60,683 h
EQUIPMENT
Infinitely variable speed adjustment
120-position tool magazine
High-pressure coolant 70 bar
Renishaw
Laser measuring system for rotating tools
Interface set
Air / water cooling through the spindle
Overload monitoring system
Mayfran Consep 2000 chip conveyor
SMW quick-change chuck
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Baden-Württemberg
1,353 km
Milling machine
MTCutV 110T
Condition: ready for operation (used), Year of construction: 2011, functionality: fully functional, machine/vehicle number: 111146, travel distance X-axis: 1,100 mm, travel distance Y-axis: 610 mm, travel distance Z-axis: 610 mm, rotational speed (max.): 10,000 rpm, controller model: Heidenhain 530, TECHNICAL DETAILS
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Travel X-axis: 1,100 mm
Travel Y-axis: 610 mm
Travel Z-axis: 610 mm
Spindle nose to table: 120–730 mm
Machine table: 1,250 x 610 mm
T-slots in table: 5
T-slot width: 18 mm
T-slot spacing: 100 mm
Spindle speed: 60–10,000 rpm
Torque: 332 Nm
Power: 13 kW
Spindle cooling: Oil-cooled
Rapid traverse X/Y/Z: 32 m/min
Feed rate: 1–12,000 mm/min
Positioning accuracy: ±0.005 mm
Repeatability: ±0.003 mm
Tool holder: SK40
Pull stud: DIN 69871/72
Tool changer: 30 stations
Tool-to-tool change time: 1.5 s
Tool weight: max. 7 kg
Tool diameter: max. 76 mm
Tool diameter with adjacent station free: max. 140 mm
Tool length: max. 300 mm
MACHINE DETAILS
Control: Heidenhain 530
Compressed air: 3/8", 6–8 bar
Power supply: 400 V / 75 A / 35 kVA
Hydraulic oil: R32 (ISO 32)
Central lubrication: R68 (ISO 68)
Coolant tank: 250 l
Guides X/Y/Z: Linear 45/45/45 mm
Machine bed: Cast iron
Machine weight: 7,500 kg
EQUIPMENT
IKZ 22 bar (internal coolant supply)
Tool changer with 30 stations
Oil-cooled spindle
Central lubrication
Coolant tank
Linear guides X/Y/Z
Chip conveyor
Handwheel
Note: The machine is sold without tools and vise.
Trust Seal
Dealers certified through Machineseeker

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Norway
1,277 km
CNC turning and milling center
Mori SeikiNL 2500 / 700
Condition: ready for operation (used), Year of construction: 2008, operating hours: 3,858 h, functionality: fully functional, turning length: 705 mm, turning diameter: 275 mm, travel distance X-axis: 260 mm, travel distance Z-axis: 795 mm, controller model: MSX-850III, TECHNICAL DETAILS
Travel X-axis: 260 mm
Travel Z-axis: 795 mm
Turning length: 705 mm
Max. turning diameter: 275 mm
Swing over bed: 923.8 mm
Swing over cross slide: 755 mm
Bar work capacity diameter: 80 mm
Upper turret
Number of tool stations: 12
Main spindle
Spindle speed: 4,000 rpm
Spindle drive power: 18.5/18.5/15 kW (10 min/30 min/cont)
Spindle nose: JIS A2-8
Tailstock
Tailstock travel: 734 mm
Taper: MT5
MACHINE DETAILS
CNC control: MSX-850III
Dimensions & Weight
Dimensions (L x W x H): 3,100 x 1,922 x 2,120 mm
Weight: 5,800 kg
Operating Hours
Main spindle hours: 3,858 h
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Power-on hours: 21,543
EQUIPMENT
Chip conveyor
Tool measuring arm
Listing
Bristol
441 km
2018 HAAS Mini Mill
HAASMini Mill
Call
Condition: used, Year of construction: 2018, An immaculate ex University research facility machine that is hardly been used. Photographed as it it arrived and not yet cleaned!
2018 built HAAS Mini Mill...
Machine Control: Haas CNC
Table Size: 36" x 12"
Machine Travels (X/Y/Z) : 16" x 12" x 10" (406 x 305 x 254 mm)
Spindle To Table Distance : 4" - 14" (100 - 346mm)
Table Capacity : 500 Lbs.(1200 Kgs)
Spindle Speeds : 6,000 Max RPM
Rapid Traverse Rate (X/Y/Z) : 600 IPM (15M/Min)
Maximum Cutting Feed Rate : 500 IPM (13 M/Min)
Tool Changer Style : Carousel
Tool Changer Capacity : 10 Stations
Tool Change Time : 4.2 Seconds
Max Tool weight : 12 Lbs.
Spindle Drive : 7.5 HP
Equipped with: 40 Spindle Taper, 10 Station Automatic Tool Changer, Coolant
system, Rigid Tapping, Tooling & Manuals
Control: HAAS
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Spec: Travel X406 Y305 Z254 mm | 8000RPM | BT40
Accessories: 40 Spindle Taper, 10 Station Automatic Tool Changer, Coolant system, Rigid Tapping, Tooling & Manuals
Listing
Thurmaston
486 km
CNC turning and milling center
HaasST-10Y
Call
Condition: good (used), Year of construction: 2012, Swing over bed 641mm,
229mm max. machining diameter,
356mm cutting length,
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6000rpm spindle,
44mm bar capacity,
12 station turret,
11.2kW spindle motor,
+/-50mm Y axis,
C axis & Milling,
HAAS control, 3 jaw chuck, coolant, swarf conveyor, Tool Setter,
Listing
Misterton
492 km
Three roll sheeter
BurgessThree Roll Sheeter
Call
Condition: good (used), Burgess Three roll sheeter
Kedey Ayckopfx Ampedk
Stainless, three roll sheeter, with top mounted hopper, 450mm rollers, two fluted rollers and one smooth, on mobile frame, 3Ph
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Used Profile Rolling Mill (20,425)
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