Used Ball Srew for sale (3,203)
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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
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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.
Listing
Bramshall
7,601 km
Steel lined continuous ball mill
HARDINGE Conical Ball Mill10'-0" x 84" HCBM
Call
Condition: used, 10’-0” x 84” HARDINGE CONICAL BALL MILLS
MILL SPECIFICATION
Model : 10’-0” x 84” HCBM
Overall Dimensions : 3050 mm diameter x 5185 mm long.
Installed Power : 400 kW
Absorbed Power : 320 kW
Mill Speed : 20 rpm
Lining : Chrome Iron Cast Liner Plates
Media : Steel Balls (30 tonne required)
Drive : Girth Gear and Pinion, Gearbox and Slip Ring Motor
Trunnion Bearings : No.1 Mill - Cooper Split Roller Bearings
No.2 Mill – White Metal Bearings
The mills were operated by British Chrome & Chemicals Ltd (later Elementis Chromium), at their site in Cleveland, UK, processing Chrome Ore to a fineness of 99% passing 45 µm.
The first mill, with the white metal bearings, was installed in around 1970.
The second mill, with the Cooper Split Roller Bearings was installed in 1980. This mill is offered with a new set of Cooper Trunnion Bearings.
Both mills were in operation until the site closed in 2009 and have been in storage ever since.
Equipment is offered in "as is" condition with no warranty given or implied. PPDS can offer full refurbishment services. Inspection is invited at our premises in Uttoxeter, Staffordshire, United Kingdom (close to East Midlands, Birmingham and Manchester airports).
Powder Process Design Services Ltd has been supplying equipment and systems to the industrial minerals sector for over 20 years. We specialise in the design and supply of minerals processing systems using a combination of new and s/hand refurbished equipment. With approaching 40 years experience we aim to deliver projects that meet and indeed exceed expectations. We have satisfied customers throughout the world, including, the United States, South America, New Zealand, South Africa the Middle East and the UK and Ireland.
Please check out our other listings and subscribe to our stock list.
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Listing
Bramshall
7,601 km
Continuous Ball Mill
Hardinge Conical Ball Mill6'-0" x 36" HCBM
Call
Condition: used, HARDINGE Conical Ball Mill
6’-0” dia x 36” ball mill for the dry grinding of industrial minerals.
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Mill fitted with Manganese steel liners for operation will steel ball grinding media.
White Metal Bearings on trunnions.
90 kW Motor fitted (could be reduced to 75 kW).
Mill with countershaft drive but could be converted to gearbox.

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+44 20 806 810 84
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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
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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
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.
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.
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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.
Discover more used machines
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
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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
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.
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Bayern
6,685 km
Measuring arm
Hexagon RomerRA-7525 SE
Condition: ready for operation (used), Year of construction: 2012, functionality: fully functional, machine/vehicle number: 7525SE-0949-FA, measuring range X-axis: 2,600 mm, number of axes: 7, TECHNICAL DETAILS
Axes: 7
Measuring range: 2.6 m
Accuracy
Acceptance temperature: 20 °C
Humidity during acceptance: 50 %
Permissible single-point deviation: 0.028 mm
Determined single-point deviation: 0.010 mm
Maximum permissible volumetric length measuring deviation: ± 0.039 mm
Determined volumetric length measuring deviation: -0.018 mm
Scanner
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Manufacturer: Hexagon
Model: CMS108
Integration: Calibrated within the measuring arm
Note: Can be used on the measuring arm with appropriate scanning software
Note: Scanning software not included in the scope of delivery
MACHINE DETAILS
Design: Portable measuring system
Weight of measuring system including transport case: approx. 40 kg
External dimensions of transport case for measuring arm: approx. 1,350 x 550 x 350 mm
Dimensions of tripod: approx. 750 x 750 x 750 mm
Weight of tripod: approx. 75 kg
Dimensions of scanner case: approx. 600 x 450 x 220 mm
Weight of scanner including carrying case: approx. 6 kg
Notebook size: 17 inches
Note: The measuring arm was relabeled before the last calibration.
EQUIPMENT
- Hexagon ROMER Absolute Arm RA-7525SE measuring arm, 7-axis
- Mobility Pack FP2-1503-FA with wireless computer connection
- Transport case for measuring arm
- Magnetic base
- Test bar, length 700 mm
- Test sphere, diameter 25 mm
- Probe box with 3 probes
- Probe with ruby ball, diameter 6 mm
- Probe with ruby ball, diameter 3 mm
- Calibration sphere, diameter 15 mm
- Dust cover
- Complete cable set
- Calibration certificate for measuring arm, notebook Dell M6600
- PowerInspect 11 software including hardware dongle
- Hexagon RDS software
- Brunson 231 roll stand, height-adjustable
- Height adjustment range of tripod: approx. 700 to 1,100 mm
- Scanner Hexagon CMS108
- Carrying case for scanner
- Calibration certificate for scanner
Note: PowerInspect 11 is exclusively for tactile measurements and cannot be linked with a scanner.
Note for packaging request: €250 for special pallet with cardboard construction and tripod on a Euro pallet.
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
Nashik
551 km
Vertical machining center
DatronM8cube
Call
Condition: excellent (used), Year of construction: 2023, functionality: fully functional, Machining system M8 cube B
Traverse path: 1.020 mm x 830 mm (x, y), with tool changer 720 mm in Y
• Feed: up to 22 m/min.
• New Chip disposal concept; integrated central chip trolley
• Complete cabin
Coordinate table: Solid concrete polymer table with a steel frame, portal design with doubles -sided Y drive.
• Z-stroke: 245 mm
• Portal passage: 200 mm
• Installation dimensions (without Terminal): 1.760 mm x 1.740 mm x 1.950 mm (Machine)
• Drive system: digital servo drive; ball screw for every axis
• Weight: approx. 1.300 kg
Control DATRON next+ DATRON next - Option package:
HF spindle, 3kWR0, HSK-E 25 R GMN HC80cg-40000, thread reducing clamp
CNC Hand-held control unit B10-2
DATRON next Camera-Feature
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Tool magazine 12-fold (HSK-E 25)
DATRON Tool length probe incl. blow-off station, M8Cube 12-fold TC
High-precision probe Z TP-R
Vacuum distributor 2-fold Pro
Vacuum pump, 250 cbm/h 3x400V, 32A,
Vacuum plate with meander-formed slots
1000x700x30 mm (M8/ML/MXCube, M10
Pro)
Listing
Lorquí
7,790 km
3-ball concentration group
Call
Condition: like new (used), Set of 3 Industrial Vacuum Cookers – Stainless Steel
Set of 3 industrial vacuum cookers made of stainless steel, designed for cooking, heating, and processing food products under controlled vacuum conditions.
The set consists of three process vessels installed on a common frame with an elevated work platform, providing a robust solution for industrial batch production.
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Vacuum processing allows for cooking and concentration operations at reduced pressure, enabling operation at temperatures lower than those used in conventional atmospheric processes, depending on the product and recipe.
MAIN FEATURES
-Quantity: 3 vacuum cookers
-Type: Industrial vacuum cooking/processing system
-Application: Cooking, heating, and processing of food
-Robust construction in stainless steel
-3 independent process vessels
-Configuration for batch production
-Integrated piping and valve system
-Vacuum processing
-Bottom product discharge
-Individual drive systems
-Inspection/access hatches
-Stainless steel work platform
-Guardrails and access system
-Designed for professional food processing environments
-Integrable into complete production lines
APPLICATION
The system is designed to process food products in closed vessels under vacuum conditions.
Working at reduced pressure allows the cooking and heat treatment conditions to be adapted to the characteristics of each product. The configuration of three vessels also provides high flexibility for managing different batches or production stages within the same facility.
Depending on the product, it can be used for:
Vacuum cooking
Heating and heat treatment
Concentration
Mixing and homogenization
Reduction of liquid products
Sauce production
Processing of fruits and vegetables
Preparation of fillings and formulated products
APPLICATIONS
Especially suitable for food manufacturers, sauce and condiment producers, fruit and vegetable processors, prepared meal manufacturers, and industrial kitchens.
Depending on its configuration, it can be used to produce sauces, jams, preserves, fruit preparations, vegetable products, fillings, concentrates, and prepared meals.
The configuration of 3 industrial vacuum cookers offers a particularly interesting solution for facilities that require production flexibility and simultaneous processing of different batches.
Machine available for inspection.
Additional technical information, dimensions, additional photographs, or videos can be provided upon request.
Listing
Alkmaar
7,154 km
Dry Ball Mill
Call
Condition: used, Year of construction: 1986, functionality: fully functional, Dry-ball mill – including new electric motor
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Listing
Środa Śląska
6,333 km
Machining center
Plot ElectronicsSentinel N 2040
Call
Condition: excellent (used), Year of construction: 2016, functionality: fully functional, operating hours: 750 h, power: 9 kW (12.24 HP), input voltage: 430 V, number of axes: 4, number of slots in tool magazine: 10, controller manufacturer: Yaskawa, total height: 800 mm, table length: 4,000 mm, table width: 2,000 mm, Machine purchased from the manufacturer Plot Electronic in 2016.
Used for milling models and molds in materials: MDF, polyurethane.
In 2022 it was upgraded with the addition of a 4th axis and an oscillating head.
Full technical specification of the machine:
- Stable welded construction with an annealed gantry made in hybrid monolith technology
- Mechanics – linear guides, ball carriages
- Helical rack and pinion system
- Spindle with tool changer, 9kW, ISO 30, ER 32
- Linear tool magazine holds 10 tools
- Drives – AS servo drives
- CNCGraf control module in Polish
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- Simulation possible before machining, real-time cutting visualization
- Material height sensor
- Tool length sensor
- Spindle cooling system – compressed air
- Control cabinet with computer and keyboard
- Vacuum table
- T3000K oscillating head
- 4th rotary axis on a tailstock, mountable on the table
- Spindle speed control system
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.
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.
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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
St. Gallen
6,828 km
Planetary ball mill - 4 x 25 liters
Changsha Mitr Instrument Equipment Co.YXQM-100L
Call
Year of construction: 2024, operating hours: 1 h, condition: new, functionality: fully functional, machine/vehicle number: 86-731-85552647/18153792542, We are a company based in 9000 St. Gallen (Switzerland) and imported this planetary ball mill from China in 2024. The unit is brand new and unused. We have switched the machine on and let it run empty for a few minutes to verify its functionality. It comes with 4 x 25-liter nylon containers. Additionally, 120 kg of zirconium beads with a 1 mm diameter are available.
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Manufacturer's Description:
The YXQM series of planetary ball mills for mass production is a machine designed for production applications, built to handle medium-scale capacities to meet industrial requirements. It facilitates the smooth transition of materials from laboratory scale to full production, ensuring consistency and repeatability of processes and thus reliable material quality. The equipment is widely used across new energy, metallurgy, electronics, ceramics, geology, mining, construction materials, chemical industry, light industry, cosmetics, environmental protection, and other enterprise-level material production sectors.
Extremely high centrifugal forces inherent to planetary ball mills generate intensive grinding energy, resulting in short milling times. These machines are ideal wherever the quality control process demands the highest standards of purity, speed, fineness, and reproducibility. This series can be equipped with vacuum jars, allowing samples to be ground under vacuum conditions. It is well suited for research tasks at scientific institutes, universities, and industrial R&D laboratories to verify the feasibility of scale-up to mass production, as well as for routine operations such as mixing and homogenizing soft, hard, brittle, or fibrous materials—from laboratory tests through to production.
- Key Features:
- High-performance, nanometer-scale grinding
- Digital display, intuitive operation, precise parameter setting
- Variable speeds from approx. 10 to 440/360 rpm, speed ratio 1:2
- Batch processing with up to 4×6/9 L samples, simultaneous processing of 4 materials
- Electric lid opening and integrated crane for easy and convenient operation
- Storage for 3 modes and 15 programs
- Power failure protection with memory function and automatic restart
- Suitable for dry, wet, vacuum, and protective atmosphere grinding
- Machine stops upon lid opening; automatic interlock prevents accidental release
- Equipped with rollers and swiveling feet for easy movement and stable operation
Applications: Grinding, mixing, homogenizing, colloidal milling, mechanical alloying, mechanochemistry
Fields of Application: New energies, geology/metallurgy, glass/ceramics, engineering/electronics, building materials, environment/recycling, agriculture, chemistry, medical, biology
Feed material: Soft, hard, brittle, fibrous – dry or wet
Size reduction principle: Impact, friction
Feed size: < 5 mm soil, < 10 mm
Final fineness: For colloidal milling, samples below 0.1 micron
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Number of grinding stations: 4
Grinding methods: Dry grinding, wet grinding, vacuum grinding, grinding under protective atmosphere
Listing
Bruchsal
6,890 km
Pot grinding machine / BALL MPS 1
G & N KugelmüllerMPS 1
Call
Condition: ready for operation (used), G & N Kugelmüller MPS 1 / Cup grinding machine from a university
- Spindle speed approx. 3150 rpm
- Grinding height above magnet approx. 130 mm
- Magnet plate 200x100 mm
- Lateral grinding wheel retraction mechanism
- Fine feed adjustment
- Drive motor 0.6 kW
- Machine enclosure
- Documentation
Dimensions: L x W x H 0.8 x 0.7 x 1.6 meters / Weight approx. 200 kg
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Errors and omissions excepted.
Listing
Hannover
6,816 km
100 tph Cement Ball Mill
Polysius
Call
Year of construction: 1973, condition: used, Cement Ball Mill
Brand: Polysius
Type: Ball Mill
Capacity: 100 tph OPC
Diameter: 4000 mm
Length: 13500 mm
Number of chambers: 2
Manholes: 2
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Drive system: Indirect drive
Mill bearing system: Trunnion bearing
Lubrication units for bearings: Included
Scope of Supply:
- Mill shell
- Mill bearings with housing
- Feeding chute with support frame
- Mill inlet fresh air flap
- Mill outlet hood
- Pendulum flap for discharge hopper
- Lubrication system units for mill inlet and outlet bearing
- Liners and diaphragms
- Auxiliary drive with motor, gearbox, and coupling
- Girth gear between gearbox and ball mill
- Couplings between motor and gearbox
- Main gearbox (2x)
- Main motor (2x)
- Bucket elevator
- Weigh feeders (3x)
Spare Parts
- Reserve gearbox 1450 kW
Upon request, a video of the mill can be provided.
Listing
Nattheim
6,764 km
CNC machining center
SCM morbidelliUniversal X5 HD 31
Call
Condition: used, Year of construction: 2012, GENERAL FEATURES: CNC machining center with a fixed machine table and a moving tool carrier in a portal design for drilling and milling operations on panels made of various materials (chipboard, MDF, solid wood, plastic, etc.). MACHINE STRUCTURE: The base structure is a monolithic design made of thick-walled material, reinforced by welded-in parts across the entire machine bed, making it extremely stable. The table design, with a large base, ensures long-lasting precision and stability. The machine layout allows the user an optimal workflow despite a minimum of space. The mobile portal carrier is made from a solid monoblock. It is positioned in the X-direction on prismatic, ground guides using ball screw slides. On this mobile tool carrier, the working unit is in turn attached to prismatic, ground guides and the ball screw slide. Axis movement is achieved using "brushless" motors in the X/Y/Z axes. The drive system operates in the X-axis via a pre-tensioned precision rack and pinion drive, and in the Y/Z axes via ground ball screws of the highest precision class. AXIS MOVEMENT: The movement of all axes takes place on prism linear guides with a large cross-section and ball screw shoes with a large contact surface, which ensure optimal sliding even at the highest speeds and accelerations. The precise and rapid positioning of the moving portal (X-axis) is achieved by a pinion and rack with helical teeth. Ball screws with a large cross-section ensure the accurate positioning of the working unit along the moving portal (Y and Z axes). The perfect mechanical dynamics and maximum positioning accuracy are controlled by high-quality drives and brushless motors. STANDARD MACHINE DESIGN: Milling spindle with 5-axis positioning, 11kW (15HP), HSK63, 1200-20000 RPM. The machining unit consists of a powerful 11 kW (15 HP) motor, which is liquid-cooled and capable of 5-axis positioning. This feature enables machining operations to be performed with a tool that can be oriented in any direction; therefore, fewer angular movements are required. The base structure of the milling unit is based on a design with two non-orthogonal axes that intersect next to the tool. This feature guarantees a robust carrier for heavy-duty milling applications. Thanks to the non-orthogonal axes, it is possible to perform numerous repositionings without using too much space. This allows the machining of complex geometries without the risk of collision with the workpiece and achieves an angle of -10° in relation to the machine table. All machining operations are facilitated by the small dimensions of the group in relation to the rotation axis of the spindle: when the group is in a horizontal position, the dimension is only 35mm. WORK TABLE TV: The work table is designed to guarantee the operator maximum "freedom of movement." The vacuum quick-change clamping system provides maximum flexibility with precise positioning and optimal work piece holding. The table consists of moving consoles that are adjusted in the X-axis on ground guides with ball screw shoes and a special profile to ensure
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Listing
Brandenburg an der Havel
6,627 km
Bale press
EUROPRESSKanalballenpresse 8300 V 5 K
Call
Condition: used, Year of construction: 2010, functionality: limited functionality, pressing force: 110 t, filling opening width: 1,000 mm, filling opening length: 1,400 mm, bale length: 1,200 mm, bale height: 800 mm, bale weight: 500 kg, type of input current: three-phase, input voltage: 400 V, input current: 161 A, overall weight: 36,000 kg, oil tank capacity: 1,500 l, power: 90 kW (122.37 HP), input frequency: 50 Hz, Equipment: documentation/manual, We are offering this used EUROPRESS channel baling press, model 8300 V 5 K, manufactured in 2010.
Type: Channel baling press 8300 V 5 K
Factory number: 10060294
Drawing number: 2300000
Year of manufacture: 2010
Weight: approx. 36,000 kg
Rated voltage: 3 x 400 V / 50 Hz
Drive power: 90 kW
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Rated current: approx. 161 A
If you have any questions or require further information, please feel free to send us a message or call us.
Listing
Szigetszentmiklós
6,101 km
Rotary srew compressor
SULLAIRES-6
Call
Condition: excellent (used), Sullair ES-6 rotary screw compressor
Technical details:
7,5 kW 10 bar capacity
0,97 m3/min
weight 150 kgs
runned hours: 7011
recently serviced
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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
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:
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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
Germany
6,829 km
EMAG WEISS W11 CNC SL650 Year `20 (Internal No. 231185)
EMAG WEISSW11_CNC_SL650
Call
Condition: used, Year of construction: 2020, operating hours: 21,398 h, machine/vehicle number: IntNr231185, EMAG WEISS W11 CNC SL650 – Universal Cylindrical Grinding Machine – Year of Construction: 2020
For sale is a used EMAG WEISS W11 CNC SL650 – a high-performance universal cylindrical grinding machine with CNC control. This machine is ideally suited for demanding grinding operations on individual parts, prototypes, and small to medium production runs.
Machine Specifications
Manufacturer: EMAG WEISS
Type: W11-CNC SL650
Year of Construction: 2020
Operating Hours: Approx. 8,850 spindle hours / approx. 22,000 power-on hours
Condition: Used, well-maintained, ready for immediate operation
Technical Data
Control: CNC-controlled (e.g., Heidenhain / Siemens / Fanuc – depending on the configuration)
Max. Grinding Length: 650 mm (between centers)
Center Height: Approx. 200 mm
External Grinding Diameter: Up to approx. 390 mm
Max. Workpiece Weight (overhanging): Approx. 100 kg (MK4)
Max. Workpiece Weight (between centers): Approx. 250 kg
X-Axis Traverse: Approx. 380 mm
Z-Axis Traverse: Approx. 1,150 mm
Grinding Wheel Diameter: 400 – 500 mm depending on equipment
Rated Power: 9 – 11 kW (approx. 12 – 15 hp)
Peripheral Speed: 20 – 50 m/s
Equipment and Performance Features
CNC touchscreen operation with Windows-based interface – user-friendly programming via dialogue or DIN/ISO (optional)
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Two-in-one concept: The machine can be operated both conventionally and CNC-controlled.
High-precision linear and ball screw guides for high accuracy
Direct measuring system (glass scales) (optional on many machines)
Automatic dressing of the grinding wheel with compensation
Crash control & gap monitoring for machine and process safety
Coolant system, emulsion separator, and chip conveyor available (depending on equipment)
Preparation for automation / robot interface possible
The machine can be inspected in operation by appointment.
Subject to changes and errors in technical data and specifications as well as prior sale!
Trust Seal
Dealers certified through Machineseeker

Listing
Halberstadt
6,724 km
CNC turning machine
TRAUBTNC 42/65
Call
Condition: good (used), Year of construction: 2001, Ref. -No.: 10551
Manufacturer: TRAUB
Type: TNC 42/65
Year of construction: 2001
Type of control: CNC-Steuerung
Control: TRAUB TX
Storage location: Halberstadt
Country of origin: Germany
Machine-No.: 93XXXXX
Turning Speeds: 8000 RPM
X stroke: 450 mm
Turning Length: 450 mm
Spindle Speeds: 4000 RPM
Clamping Diameter: 42 / 65 mm
Spindle Diameter In Front Bearing: 110 mm
Tool Taper: 14
Max. Torque: 170 / 230 Nm
Rapid Travel Speed X-Axis: 15 m / min
Rapid Travel Speed Y-Axis: 6 m / min
Rapid Travel Speed Z-Axis: 30 m / min
Dimensions Of The Machine (Lxwxh): 4354 x 2076 x 1917 m
Chisel slide cross section turning and milling support: 16 x16 ( 20 x20 ) mm
Pressure: 70 bar
hydraulic tank: 70 L.
Total Power Requirement: 39 kVA
Weight Of The Machine Ca.: 5,2 t
Feed force X-axis at 100% duty cycle: 5000 N
Feed path X-axis: 140 mm
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Z-axis feed path: 450 mm
Y-axis feed path: 35 mm
Ball screw Z-axis (Ø x pitch): 32 x 10 mm
Ball screw X-axis (Ø x pitch): 32 x 5 mm
Ball screw Y-axis (Ø x pitch): 25 x 5 mm
Further information:
- Revolver 1 Number of branches 10
- Revolver 2 Number of branches 14
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- Powered tools Yes
The machine can be viewed under power by arrangement.
Listing
Rottendorf
6,783 km
Ball-bearing roller table, L: 2,000 mm
TAF1000006220, FB: 500 mm
Call
Condition: like new (used), Year of construction: 2025, functionality: fully functional, total width: 600 mm, total height: 750 mm, total length: 2,000 mm, conveying length: 2,000 mm, construction width: 500 mm, construction height: 750 mm, overall weight: 65 kg, Manufacturer: TAF
Year of manufacture: 2025
Overall dimensions (LxWxH) in mm: 2,000 x 600 x 750
Width including side panel in mm: 600
Overall height in mm: 750
Conveyor length in mm: 2,000
Conveyor width in mm: 600
Base structure: Supports, castors (2 pieces)
Base plate, material: steel segments 600 x 500
Roller spacing in mm: 100
Ball roller material: steel
Ball roller diameter in mm: 15
Drive: none
Net weight: 65
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Condition: used / fully functional
Functional test: OK
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.
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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
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
Ireland
8,056 km
Spray Ball
Alfa LavalTJ20G Rotary Jet Head
Call
Condition: used, functionality: fully functional, Alfa Laval TJ20G Rotary Jet Head 316L Stainless Steel 1½"
Jet head's were removed from process in 2023 and kept as spares. In good condition.
We have up to 8 of these available. Contact us for more information
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