Used Ball Roller Spindle for sale (21,194)
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Listing
Wiesbaden
6,914 km
2 ball roller spindles
STAR Micronics
Call
Condition: ready for operation (used), Pitch: 10 mm
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Thread length: 1460 mm
thread Ø: 30 mm
Spindle nut mounting: 60 mm Ø
Listing
Wiesbaden
6,914 km
Ball roller spindle
STAR Micronics
Call
Condition: ready for operation (used), Pitch: 20 mm
Thread length: 2330 mm
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Thread Ø: 38 mm
Nut length: 130 mm
Listing
Wiesbaden
6,914 km
Ball roller spindle
STAR Micronics
Call
Condition: ready for operation (used), Pitch: 10 mm
Thread length: 1165 mm
thread Ø: 30 mm
spindle nut mounting: 28 x 49 mm Ø
Total length of spindle: 2170 mm
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Listing
Hessisch Lichtenau
6,811 km
Ball screw spindle with servomotor, positioning spindle, positioning with ball screw spindle
SIEMENS1FK6044-7AH71-1EG0 oder 1FK7044-7AH71-1EG0
Call
Condition: used, Ball screw with SIEMENS servomotor
Linear guide with permanent SIEMENS servomotor
Type: 1FK6044-7AH71-1EG0
Type: 1FK7044-7AH71-1EG0
ID No. YF RN22 5076 01 001
Year of manufacture: 2003
Axis travel: 540 mm
Total length: 900 mm
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Shaft diameter: 40 mm
Lead: 40 mm
Ball diameter: approx. 6 mm
- Compact unit with servomotor and ball nut
- Ball screw guided to prevent rotation, driven via nut
- Ball screw Ø 40 mm (hollow shaft, inner diameter = approx. 22 mm)
- Permanent-magnet SIEMENS servomotor Type: 1FK6044-7AH71-1EG0
(Serial No: ID No. YF RN22 5076 01 001)
Total dimensions L x W x H: 900 x 200 x 330 mm
Weight: 30 kg
Good condition
Removed from a fully functional special-purpose machine, tested before removal.
8 units available
The stated price refers to 1 unit.
Listing
Würzburg
6,786 km
Ball roller table transfer
Unbekannt2000-1007-1000
Call
Condition: used, Ball transfer table 2000-1007-1000
RA2407
Technical data:
Year of manufacture: unknown
Condition: good (used)
dimensions: 2000x1000
distance balls: 55 mm row, with 75 mm pitch
Height: 800 mm - 900 mm
Scope of delivery: including feeds
Price plus VAT ex central warehouse Dr. Sonntag GmbH & Co. KG 97076 Würzburg
For individual, professional advice, simply get in touch with us.
Simply contact us by phone or by mail.
We will be happy to help you with the planning and implementation of your projects.
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We look forward to hearing from you.
With kind regards
Your team of Dr. Sonntag GmbH & Co. KG
Your specialist and contact for intralogistics
Listing
Wiefelstede
6,930 km
Storage table, ball roller table
Alu1310/710/H940 mm
Call
Condition: good (used), Workbench, clamping plate, ball roller table, ball table, ball roller table
-Storage table: Storage plate with ball casters, height-adjustable aluminum frame
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-Sheet: 1310 x 710 mm
-Elevation: 940
- Dimensions: 1310/710/H940 mm
-Weight: 43 kg
Listing
Achern
6,926 km
Tool spindle and feed rollers
GF swiss
Call
Condition: like new (used), Tool spindle
Planer shaft
Milling spindle
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spare parts for GF planer
Listing
Krefeld
7,027 km
Table scale, scale with ball rollers
GSETischwaage mit Kugelrollen
Call
Condition: used, functionality: fully functional, Scale/Table Scale with Ball Transfer Units
Manufacturer: GSE
Condition: Good, used
Overall length: 800 mm
Overall width including frame: 870 mm
Conveying width: 660 mm
Overall height: 230 mm
Aluminum frame:
Height: 80 mm
Width: 40 mm
Nedpfx Aqoyg Nxuovjwg
Ball transfer tables are suitable for load carriers and packaging materials with smooth and solid undersides.
Internal article number: 2026020101
Thanks to the excellent workmanship of the conveyor technology, your material glides smoothly to its destination even under heavy loads.
Customized solutions for your intralogistics:
For roller conveyors, belt conveyors, inclined conveyors, or telescopic conveyors for loading and unloading your goods, we are your competent partner! We are happy to provide you with a customized offer or to advise you on conceptualization or installation questions. Simply let us know your requirements and local conditions.
Benefit from our many years of experience and our extensive network of specialists. We have already successfully completed projects for companies in various sectors, such as logistics, the pharmaceutical industry, crafts, and the electronics industry.
Together, we will work out solutions to optimize your processes and material flow in a cost-effective and sustainable manner. We can also offer you fully automated sorting technology or supplementary components such as order-picking racks or containers.
Listing
郑州市
3,684 km
Mud rock separator for mud/soil removing
MINGYUAN Crawler mobile roller screenerMYC1500x6000F4000 Soil stone separator
Call
Condition: new, functionality: fully functional, overall weight: 24,000 kg, chain condition: 100 %, Year of construction: 2026, machine/vehicle number: MYC1500x6000F4000, Crawler Mobile Mud Stone Separator – Model MYC1500×6000F400O
The MYC1500×6000F400O Crawler Mobile Mud Stone Separator is a high-performance soil and stone separation machine developed by Henan Mingyuan Heavy Industrial Equipment Co., Ltd. It is designed for efficient separation of clay, mud, and fine soil from mixed materials such as sand, gravel, and construction waste. With its crawler-type mobility, large-capacity drum screen, and intelligent control system, this model provides a flexible and reliable solution for material cleaning and classification in complex working environments.
Applications
The MYC1500×6000F400O is widely used in:
Sand and gravel production: Removes clay and impurities from raw aggregates, improving product quality.
Construction waste recycling: Separates soil and debris for reuse of clean aggregates.
Mining and quarrying: Pre-screens and washes ores, removing sticky soil before crushing or beneficiation.
Infrastructure and road construction: Cleans and classifies soil and stone for foundation preparation.
Municipal and river dredging projects: Separates sediment, stones, and debris from dredged materials.
Its crawler chassis allows easy movement on muddy or uneven ground, making it ideal for on-site operations where fixed installations are not practical.
Main Features
1. Crawler Mobile Design
Equipped with a heavy-duty crawler chassis and hydraulic drive, the machine can move flexibly on various terrains. It eliminates the need for additional transport equipment, reducing setup time and improving efficiency.
2. High-Efficiency Drum Screening
The 1500 mm diameter and 6000 mm long rotary drum provide a large screening area and high throughput. The wear-resistant mesh panels ensure long service life and easy maintenance. The optimized screen aperture effectively separates mud and fine soil from larger aggregates.
3. Integrated Cleaning System
Internal spiral blades and high-pressure spray nozzles work together to wash and separate sticky materials. This dual-action cleaning ensures clean aggregates that meet construction and production standards.
4. Intelligent Control
The PLC control system allows adjustment of drum speed, water flow, and feed rate according to material conditions. Automatic overload protection and fault alarms enhance safety and reliability.
5. Energy-Saving and Eco-Friendly
The hydraulic-electric hybrid drive reduces fuel consumption and emissions. The water recycling system minimizes water usage, making it suitable for environmentally sensitive areas.
6. Easy Maintenance
Modular design and accessible components simplify inspection and servicing. Quick replacement of wear parts reduces downtime and maintenance costs.
7. Strong Adaptability
Capable of handling clay-rich soil, river sand, construction debris, and weathered rock. Adjustable screening parameters make it suitable for different particle sizes and moisture levels.
Technical Parameters Specification
Model:MYC1500×6000F400O
Screen Typ: roller screener
Roller screener width/:1500 mm
Roller Screener Length:6000 mm
Feeding Size≤ 600 mm
Capacity: 80–300 t/h (depending on material)
Power System
Diesel engine + hydraulic drive
Mobility:Crawler-type chassis
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Control System
PLC intelligent control
Water System
High-pressure spray, adjustable flow
Discharge
Dual outlet for clean stone and mud
Weight :Approx. 22 tons
Dimensions (L×W×H):9,800 × 2,800 × 3,200 mm
Listing
Zheng Zhou Shi
3,684 km
Ball mill for powder and mining plant
Mingyuan Ball Mill For Fine PowderPowder grinding mill for coal, silica
Call
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
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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
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
3,684 km
Crushing equipment
Mingyuan Dry and Wet Ball MillCustomerizable Model for ball mill plant
Call
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.
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
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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
3,684 km
Mill / grinding mill
Batch Ball Mill, Silica grinding millQuartz ball mill, silica powder grinding
Call
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
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We have different models and options for different requirements, please contact us for more info.
Listing
Zheng Zhou Shi
3,684 km
Glass grinding machine
Henan Mingyuan Ceramic /Silica Ball MillBatch ball mill for glass ceramic making
Call
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.
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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:
- *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
3,684 km
Cement mill,clinker grinding plant
Clinker grinding mill / cement ball millcement grinding with air classifier
Call
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:
- 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.
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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
3,684 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
Capacity: 0.65–615 t/h (depending on model and material hardness)
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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
3,684 km
Roll forming line
Rod ball mill / Rod Grinding MillFor Sand and mining beneficiation plant
Call
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
3,684 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.
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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.
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
Tatabánya
6,150 km
Automatic spindle press
Spindle
Call
Condition: ready for operation (used), Design: vertical press with four columns.
The vertical press platen is driven by an electric motor,
the lower platen can be pulled out with the tool.
-Dimensions: 2100x1600x3000mm
-plate size: 950x1120mm
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-Electrical data: 380V; 43A; 22kW
Listing
Wymysłów
6,232 km
Siemens SIMOTICS 1FE1114-6WW11-1BN2-Z servo / spindle motor 26.8 kW
Silnik Siemens SIMOTICS 1FE1114-6WW11-1BN2-Z serwo / spindle motor 26,8 kWSilnik Siemens SIMOTICS 1FE1114-6WW11-1BN2-Z serwo / spindle motor 26,8 kW
Call
Condition: new, I am offering a brand new Siemens SIMOTICS motor (1FE series) – a professional servo/spindle motor designed for inverter duty.
This is a high-grade industrial motor, commonly used in CNC machine tools, delivering high power, precision, and reliability.
The motor comes from warehouse stock (New Old Stock – NOS), unused and stored in original Siemens packaging.
⚙️ Technical Data
Manufacturer: Siemens
Series: SIMOTICS
Model: 1FE1114-6WW11-1BN2-Z-T56
Power: 20.9 – 26.8 kW
Voltage: 425 V
Current: 58 / 85 A
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Nominal speed: 1000 rpm
Max speed: 6000 rpm
Max torque: 330 Nm
Duty cycle: S1 / S6-40%
Cooling: water-cooled
Temperature sensor: KTY84-130
Protection rating: IP00
Insulation class: F (155°C)
📦 The set includes:
Siemens SIMOTICS motor
Original Siemens packaging (as shown in the pictures)
📌 Key advantages:
✔️ Condition: NEW (warehouse stock / NOS)
✔️ Made in Germany
✔️ Genuine Siemens industrial quality
✔️ Ideal for CNC / machine tools / automation
✔️ High power and torque
Listing
Sheffield
7,565 km
Ballscrews for sale
NSKvarious ballscrews (kugelrollspindle)
Call
Condition: like new (used), A large quantity of as new and unused high quality machine tool grade ballscrews for sale, all in their original packing. Great low prices, contact us if you are interested. You can check the spec with (for example) Google AI using the reference numbers given below.
1 Hiwin 423821003 645mm
2 NTN BS3212FF0852C3B 815mm
3 NSK W2803-651D-C3Z5 600mm
4 NTN BS3210FC1054C5B 1050mm
5 KOYO W2502-544Z-C3Z10 475mm
6 NSK W2803-440D-C3Z5 525 mm
7 SUBAKI 31TIFC6-750C3 760mm
8 NSK W3608 -182D-PZ10 1140mm
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9 Unidentified 1125mm
10 NSK W4004-116Z-C3Z8 840mm
11 NSK W2504-401Z-C5Z 700mm
12 NSK W3203-238D-C3Z 640mm
13 NSK W4005-248Z-C3Z8 840mm
14 KOYO 4010 TF(2.5) C51150H 1150mm
15 NSK W3608-182D-PZ 1130mm
16 NSK W3608-157-PZ10 1190mm
17 NSK NSK W3202-95Z-03Z 500mm
18 KOYO JG820 500mm
19 NSK W2802-117D-SPZ5 375mm
20 NSK W3606-211D-PZ10 900mm
21 NSK W4004-116Z-C3Z8 840mm
22 NSK W5008-254-C5Z10 1250mm
23 NSK W3206-1066D-C3Z10 950mm
24 NSK W3606-191D-PZ10 850mm
25 NSK W6324-20D-C5Z 3670mm
26 NSK W3620-30DE-PZ 2400mm
27 NSK 6334-6D 4650mm
28 NSK W6314-31D-C5Z 2680mm
29 NSK W3613-98D-C5Z 1800mm
30 NSK W5014-67D-C5Z 1800mm
31 NSK W3617-60D-C5Z 2230mm
32 NSK W3615 -51DE-PZ10 2130mm
33 NSK W3615 -51DE-PZ11 2130mm
Listing
Zheng Zhou Shi
3,684 km
Crushing equipment
Double roller crusher /roller sand makerStationary&portable sand crushing plant
Call
Condition: new, functionality: fully functional, power: 30 kW (40.79 HP), Year of construction: 2025, A double roller crusher for sand making, also known as a roller sand making machine, is a processing machine that utilizes two rollers to crush and reshape coarse-grained materials such as rock, stone, and ore into finer particles. This type of equipment is commonly used in the production of construction aggregates, artificial sand, and other materials used in various industries.
Here are key features and aspects of a double roller crusher for sand making:
1. Double Roller Design:
- The crusher has two parallel, counter-rotating rollers that exert pressure on the material. The gap between the rollers can be adjusted to control the size of the crushed particles.
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2. Crushing Mechanism:
- The material is fed between the two rollers, and as they rotate, the material is drawn into the crushing zone. The rollers compress and crush the material, reducing it to the desired size.
3. Material Feed and Discharge:
- The material is typically fed into the top of the crusher and is crushed between the rollers. The crushed material exits at the bottom of the machine.
4. Adjustable Gap Settings:
- The gap between the rollers is adjustable, allowing for control over the final size of the crushed material. This feature is essential for producing materials of different particle sizes.
5. Roller Surface Design:
- The surface of the rollers may be smooth or have corrugations to enhance the gripping and crushing action. The choice of roller surface design depends on the characteristics of the material being processed.
6. High Efficiency:
- Double roller crushers are known for their high efficiency in crushing and shaping materials. The dual roller design provides a more consistent and controlled process compared to single roller crushers.
7. Versatility:
- These crushers are versatile and can be used for various materials, including hard and soft rocks, ores, and other aggregates. They are particularly suitable for producing artificial sand.
8. Dust and Noise Control:
- Some double roller crushers are equipped with features to control dust emissions and reduce noise during operation, improving the working environment.
9. Application in Sand Making:
- Double roller crushers for sand making are commonly used to produce fine aggregates and artificial sand. They are employed in the production of high-quality sand for construction and other applications.
10. Maintenance and Safety:
- Regular maintenance is essential for optimal performance. Safety features, such as emergency stops and safety guards, are often incorporated to ensure safe operation.
11. Motor and Drive System:
- A powerful motor and a reliable drive system are essential components to drive the rotation of the rollers and ensure consistent and efficient crushing.
The specific design and features of double roller crushers for sand making can vary among different models and manufacturers. When selecting or using this type of equipment, it's important to refer to the manufacturer's guidelines and specifications for proper operation and maintenance.
Trust Seal
Dealers certified through Machineseeker

Listing
Zheng Zhou Shi
3,684 km
Crushing equipment
Smooth & teeth double roller crusherRoller crusher for sand, coal crushing
Call
Condition: new, functionality: fully functional, Year of construction: 2025, A double teeth roller crusher is a type of roller crusher commonly used in industries that involve the crushing of various materials, such as mining, metallurgy, building materials, and chemical processing. This crusher is characterized by its two pairs of closely spaced, parallel, and oppositely rotating rolls with "teeth" or "knurling" on their surfaces. The teeth are designed to grab and crush the material, providing efficient and uniform size reduction.
Here are key features and aspects of double teeth roller crusher equipment:
1. Double Roller Design:
- The crusher features two parallel, counter-rotating rollers, each with a set of teeth or knurling on its surface. The dual roller design facilitates a consistent and efficient crushing process.
2. Teeth Configuration:
- The teeth on the rollers are designed to grip and crush the material. The arrangement and shape of the teeth may vary based on the specific application and the characteristics of the material being processed.
3. Adjustable Gap Settings:
- The gap between the rollers can usually be adjusted to control the size of the crushed particles. This feature allows for customization of the final product size.
4. Material Feed and Discharge:
- Material is typically fed into the top of the crusher and is crushed between the rotating rollers. The crushed material is discharged at the bottom of the machine.
5. High Efficiency:
- Double teeth roller crushers are known for their high efficiency in crushing various materials. The dual roller design provides a more consistent and controlled process compared to single roller crushers.
6. Versatility:
- These crushers are versatile and can be used for various materials, including coal, limestone, slag, clay, and other similar materials.
7. Application in Mining and Processing:
- Double teeth roller crushers are commonly used in the mining industry for the crushing of minerals and ores. They are also utilized in other industries for size reduction and processing of materials.
8. Dust and Noise Control:
- Some double teeth roller crushers are equipped with features to control dust emissions and reduce noise during operation, improving the working environment.
9. High Torque and Power:
- A powerful motor and a robust drive system are essential components to drive the rotation of the rollers, providing the necessary torque and power for efficient crushing.
10. Maintenance and Safety:
- Regular maintenance is essential for optimal performance. Safety features, such as emergency stops and safety guards, are often incorporated to ensure safe operation.
11. Application in Size Reduction:
- Double teeth roller crushers are effective in size reduction and are suitable for applications where precise control over the final product size is crucial.
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It's important to note that the specific design, features, and applications of double teeth roller crushers can vary among different models and manufacturers. When selecting or using this type of equipment, it's advisable to refer to the manufacturer's guidelines and specifications for proper operation and maintenance.
Listing
Wiefelstede
6,930 km
Pipe cutting machine
ROLLERDISC 100
Call
Condition: good (used), Pipe cutting machine, pipe cutting saw, pipe cutter
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-Pipe size: 22-108 mm pipes of the pressfitting systems made of stainless steel, carbon steel, copper
-Equipment: Foot switch, steel rollers, stainless steel rollers, cutting wheel, steady rest, workbench, vice
-Operating voltage: 220 volts
-Dimensions: 1200/870/H1170 mm
Transport dimensions: 1200/870/H460 mm
-Weight: 61 kg
Listing
Kolonia Bilew
6,172 km
Male thread cutting machine
R425-1G4S7 TAPERED ROLLER BEARINGSNSK
Call
Condition: new, R425-1G4S7 NSK TAPERED SINGLE ROW ROLLER BEARINGS
NEW, NEVER USED
Main Demensions: 425 x 700 x 150 mm
Weight 216 kg
2 units available
WAREHOUSE LIQUIDATION
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Listing
Kolonia Bilew
6,172 km
TAPERED ROLLER BEARINGS
TIMKEN TAPERED ROLLER BEARINGSNP342204-90WA2
Call
Year of construction: 2012, condition: new, TIMKEN TAPERED ROLLER BEARINGS
NP342204-90WA2
NEW NEVER USED
14 UNITS AVAILABLE
WEIGHT 320 KG/ EACH
PACKED INTO ORIGINAL WOODEN BOX
WAREHOUSE LIQUIDATION
ADDITIONAL BEARINGS AVAILABLE:
22324 EDK FAG x2 un.
71976MP.P5.UO FAG x1
23276 BMB FAG x2
23222-E1-A-K-M FAG x1
23224 HL BM S x1
F36204 FAG x3
STF374KV5051GAS3 NSK x3
2456 CPM ITALY x47
NP838887 TIMKEN x2255
R425-1G4S7 NSK x2
2TR19H C3 FP KOYO x1
31318F FERSA x165
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NP942053-902-A1 TIMKEN x12
2TR19H C3 FP KOYO x1
24168-B-C3 FAG x 2
01/02/0274/C5309 x2
NNU6810 NTN x3
612833-B SKF x6
CP354256-90001 TIMKEN x2
NU2324 EC ML SKF x1
23238C E4 S11 NSK x4
2IE.083.00 x2
SL182244-BR-A INA x1
23088-K.MB.R1000.1130.J15B FAG x2
612833-B SKF x6
PRICE FOR NEGOTIATIONS
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