Used Crankshaft Milling Unit for sale (36,874)

Condition: ready for operation (used), Year of construction: 2016, functionality: fully functional, machine/vehicle number: 7024NL256160890J, spindle speed (max.): 10,000 rpm, travel distance Y-axis: 200 mm, rotational speed (max.): 4,000 rpm, bar diameter (max.): 80 mm, distance between centers: 700 mm, Condition: Ball screw drives in X, Y, and Z axes replaced; major maintenance package carried out approx. one year ago (machine has not been in operation since)! TECHNICAL DETAILS Distance between centers: 700 mm Spindle speed range: 1 - 4,000 rpm Tool spindle speed: 10,000 rpm Bar capacity: 80 mm Mounting: MT5, revolving tailstock Ncjdjy A Icrepfx Akfsr Without center Turret: 12 stations, bolt-on turret Overhang for driven tools: ±100 mm Assemblies: Integrated MK4 bearing for live center Chip and coolant system: Scraper-type chip conveyor with magnetic separator, discharge height approx. 1,000 mm Coolant system: high pressure 5 bar, pump 800 W, delivery rate 20 l/min Coolant shower at chuck, including high-performance pump Compressed air blow-off system for tool holder sleeves Compressed air blow-off system for tailstock live center Line filter for coolant system MACHINE DETAILS Control: M730UM, CELOS - ERGOline Touch Total power: 18.5 / 18.5 / 15 kW (25% duty cycle / 50% duty cycle / continuous) Tool spindle power: 5.5 / 5.3 / 7 kW (3 min / 5 min / continuous) EQUIPMENT Interface for oil mist separator (diameter: 150 mm) Signal beacon: red, yellow, green, blue EtherNet/IP interface for automation Robot interface for portal robot DMG Mori Seiki Transformer: 45 kVA, three-phase autotransformer X-axis direction ISO Note: The machine is supplied without a chuck, tool pre-setter, or workholding devices.

Condition: ready for operation (used), Year of construction: 2008, operating hours: 61,440 h, functionality: fully functional, machine/vehicle number: 06800003891, rotational speed (max.): 5,000 rpm, controller model: Siemens 840D powerline, Equipment: chip conveyor, documentation/manual, TECHNICAL DETAILS Max. speed: 5,000 rpm Ncjdpfxoyzqtkj Akfor MACHINE DETAILS Control: Siemens 840D powerline Electrical Data Apparent power: 50 kVA Rated current: max. 72 A Current: 80 A Mains voltage: 400 V Frequency: 50 Hz Control voltage: 230 V Voltage: 24 V Operating hours: approx. 76,300 h Spindle hours: approx. 61,440 h EQUIPMENT Pallet circulation system Material conveyor belts for machined parts Chip conveyor Documentation/manual Note: The machine is sold without chuck, tools or raw part holders. Additionally, the seller can offer the following accessories: SMW KNCS225 chuck for €1,500 Ewab pallets (base pallets) 10 units for €500 Extension of transport belts for finished parts €2,000 Basic holder set VDI 40 suitable for the machine, 10 units for €1,000

Condition: ready for operation (used), Year of construction: 1995, functionality: fully functional, travel distance X-axis: 2,500 mm, travel distance Y-axis: 1,750 mm, travel distance Z-axis: 1,000 mm, controller model: Siemens NCU 840 W Serie 2, number of axes: 5, TECHNICAL DETAILS Travel X-axis: 2,500 mm Travel Y-axis: 1,750 mm Travel Z-axis: 1,000 mm A-axis: 20 arcseconds C-axis: 30 arcseconds Rapid traverse X-axis: 17 m/min Rapid traverse Y-axis: 17 m/min Rapid traverse Z-axis: 10 m/min Rapid traverse A-axis: 9 rpm Rapid traverse C-axis: 80 rpm Infinitely variable feed X and Y axes: up to 15,000 mm/min Feed Z-axis: up to 4,000 mm/min Table plate: St 52-3 Table dimensions (L x W): 3,631 x 1,200 mm Milling head: FK 115 - SK40 Speed: 14–1,000 rpm Bearing: A9 LC8 CNC A-axis: spindle swivel axis A-axis Swivel angle: ±120 degrees Torque: 450 Nm Nsdpfx Akeyz Abtjfscr Speed: 8 rpm Resolution: 20 arcseconds Clamping: hydraulic C-axis Rotation angle: 365 degrees Torque: 580 Nm Speed: max. 8 rpm Resolution: 30 arcseconds Clamping: hydraulic MACHINE DETAILS Control: Siemens NCU 840 W Series 2 CNC controlled axes: 5 Voltage: 400 V 50 Hz Power: approx. 35 kW Weight: 18,500 kg EQUIPMENT Swarf conveyor Sliding door Side window Tool changer stationary at center of machine/ rear crossbeam Disc magazine with 16 stations SK40 Heidenhain length measuring system Note: The seller can arrange an external service provider for the removal of the machine.

Condition: ready for operation (used), Year of construction: 2005, operating hours: 60,683 h, functionality: fully functional, turning length: 1,524 mm, turning diameter: 820 mm, spindle speed (max.): 3,300 rpm, rapid traverse X-axis: 40 m/min, milling spindle speed (max.): 10,000 rpm, TECHNICAL DETAILS Turning length: 1,524 mm Turning diameter: 820 mm Travel X-axis: 870 mm Travel Y-axis: 500 mm Travel Z-axis: 1,598 mm Main spindle Ncjdey Akpnspfx Akfjr Max. spindle speed: 3,300 rpm Main spindle drive power: 30 kW / 22 kW Max. torque main spindle: 588 Nm Main spindle nose: A2-11" Spindle bore: 104 mm Indexing: 0.0001 Sub spindle Max. spindle speed: 3,300 rpm Sub spindle drive power: 30 kW / 22 kW Max. torque sub spindle: 588 Nm Sub spindle nose: A2-11" Indexing: 0.0001 Milling spindle Milling spindle drive power: 37 kW Max. torque milling spindle: 260 Nm Milling spindle speed range: 0-10,000 rpm Rapid traverse X-axis: 40 m/min Rapid traverse Y-axis: 40 m/min Rapid traverse Z-axis: 40 m/min MACHINE DETAILS Control: Mazatrol 640M PRO Tool holder: SK50 Number of tool stations: 120 Operating voltage: 400 V / 50 Hz Connected load: 104 kVA Required floor space (L x W): 7 x 3.5 m Operating hours: 60,683 h EQUIPMENT Infinitely variable speed adjustment 120-position tool magazine High-pressure coolant 70 bar Renishaw Laser measuring system for rotating tools Interface set Air / water cooling through the spindle Overload monitoring system Mayfran Consep 2000 chip conveyor SMW quick-change chuck

Condition: ready for operation (used), Year of construction: 2011, functionality: fully functional, machine/vehicle number: 111146, travel distance X-axis: 1,100 mm, travel distance Y-axis: 610 mm, travel distance Z-axis: 610 mm, rotational speed (max.): 10,000 rpm, controller model: Heidenhain 530, TECHNICAL DETAILS Travel X-axis: 1,100 mm Travel Y-axis: 610 mm Travel Z-axis: 610 mm Spindle nose to table: 120–730 mm Machine table: 1,250 x 610 mm T-slots in table: 5 T-slot width: 18 mm T-slot spacing: 100 mm Spindle speed: 60–10,000 rpm Torque: 332 Nm Power: 13 kW Spindle cooling: Oil-cooled Rapid traverse X/Y/Z: 32 m/min Feed rate: 1–12,000 mm/min Positioning accuracy: ±0.005 mm Repeatability: ±0.003 mm Tool holder: SK40 Pull stud: DIN 69871/72 Tool changer: 30 stations Tool-to-tool change time: 1.5 s Tool weight: max. 7 kg Nsdpfoyzxz Nsx Akfocr Tool diameter: max. 76 mm Tool diameter with adjacent station free: max. 140 mm Tool length: max. 300 mm MACHINE DETAILS Control: Heidenhain 530 Compressed air: 3/8", 6–8 bar Power supply: 400 V / 75 A / 35 kVA Hydraulic oil: R32 (ISO 32) Central lubrication: R68 (ISO 68) Coolant tank: 250 l Guides X/Y/Z: Linear 45/45/45 mm Machine bed: Cast iron Machine weight: 7,500 kg EQUIPMENT IKZ 22 bar (internal coolant supply) Tool changer with 30 stations Oil-cooled spindle Central lubrication Coolant tank Linear guides X/Y/Z Chip conveyor Handwheel Note: The machine is sold without tools and vise.

Condition: ready for operation (used), Year of construction: 2008, operating hours: 3,858 h, functionality: fully functional, turning length: 705 mm, turning diameter: 275 mm, travel distance X-axis: 260 mm, travel distance Z-axis: 795 mm, controller model: MSX-850III, TECHNICAL DETAILS Travel X-axis: 260 mm Travel Z-axis: 795 mm Turning length: 705 mm Max. turning diameter: 275 mm Swing over bed: 923.8 mm Swing over cross slide: 755 mm Bar work capacity diameter: 80 mm Upper turret Number of tool stations: 12 Main spindle Spindle speed: 4,000 rpm Spindle drive power: 18.5/18.5/15 kW (10 min/30 min/cont) Spindle nose: JIS A2-8 Ncodpfx Asyz Aq Iskfjr Tailstock Tailstock travel: 734 mm Taper: MT5 MACHINE DETAILS CNC control: MSX-850III Dimensions & Weight Dimensions (L x W x H): 3,100 x 1,922 x 2,120 mm Weight: 5,800 kg Operating Hours Main spindle hours: 3,858 h Power-on hours: 21,543 EQUIPMENT Chip conveyor Tool measuring arm

Condition: ready for operation (used), Year of construction: 1994, functionality: fully functional, machine/vehicle number: 14219, travel distance X-axis: 1,250 mm, travel distance Y-axis: 900 mm, travel distance Z-axis: 560 mm, spindle diameter: 75 mm, spindle speed (max.): 1,800 rpm, With digital display of travel distances! TECHNICAL DETAILS X-axis: 1,250 mm Y-axis: 900 mm Z-axis (or W-axis): 560 mm Spindle diameter: 75 mm Spindle speeds: 18–1,800 rpm Njdpfey Emq Tsx Akfjcr Table size: 950 mm x 950 mm MACHINE DETAILS Weight: 10,000 kg EQUIPMENT Accessories shown in the photos, including tools, tool cabinets, and clamping devices

Condition: ready for operation (used), Year of construction: 2005, operating hours: 19,229 h, functionality: fully functional, machine/vehicle number: 8043943123C, turning length: 1,050 mm, turning diameter: 465 mm, travel distance X-axis: 300 mm, travel distance Z-axis: 1,050 mm, controller model: Siemens 840 D, TECHNICAL DETAILS Turning diameter: 465 mm Ncjdpfx Aksy D I Ttjfor Turning length: 1,050 mm Swing diameter: 680 mm Chuck diameter: 325 mm X-axis travel: 300 mm Z-axis travel: 1,050 mm Spindle speed range: 3,500 rpm Rapid traverse X/Z: 30 m/min MACHINE DETAILS Control: Siemens 840 D Number of tool positions: 12 positions Tool holder: VDI 40 Weight: 7,500 kg Operating hours Spindle hours: 19,229 h Power-on hours: 81,347 h Note: The machine can be inspected under power upon request.

Condition: ready for operation (used), Year of construction: 2010, operating hours: 5,002 h, functionality: fully functional, turning length: 424 mm, turning diameter: 370 mm, travel distance X-axis: 380 mm, bar passage: 52 mm, controller model: FANUC FS-31iA5 (MAPPS 4), TECHNICAL DETAILS Turning length: 424 mm Maximum turning diameter: 370 mm (270 mm with turret 2) Bar capacity: 52 mm Turn-mill spindle Full indexing specifications: Yes X-axis travel: 380 mm Y-axis travel: ±105 mm Z-axis travel: 460 + 155 mm (ATC) B-axis: ±120º Spindle speed: 12,000 rpm Drive power: 9/5.5 kW Tool magazine Magazine positions: 38 Tool holder: Capto C5 Maximum tool length: 250 mm (210 mm for tools under Ø70 mm) Maximum tool diameter: Ø70/Ø130 mm (with/without adjacent tools) Maximum tool weight: 5 kg Lower Turret X-axis travel: 155 mm Z-axis travel: 610 mm Number of tool stations: 10 Tool rotational speed: 6,000 min⁻¹ Driven tool power: 1.5/1.2 kW Main Spindle Spindle speed: 6,000 rpm Drive power: 11/7.5 kW Spindle bore: 73 mm Chuck type: Hollow chuck (8") Manufacturer: KITAGAWA Spindle nose: JIS A2-5 Maximum torque: 223 Nm Sub Spindle Spindle speed: 1,000 rpm BW axis: 4 fixed positions, 0º, -30º, -180º (-225º for overhang to conveyor, if equipped) MACHINE DETAILS Control: FANUC FS-31iA5 (MAPPS 4) Potential rated output: 39.24 kVA Nsdpsy Edc Hsfx Akfjcr Dimensions & Weight Dimensions (L x W x H): 2,705 x 2,425 x 2,385 mm Weight: 8,800 kg Operating Hours Powered on: 54,061 hours Spindle 1 operating hours: 9,813 hours Spindle 2 operating hours: 5,002 hours EQUIPMENT Chip conveyor Signal lamp High-pressure pump Air blower outside the spindle Foot switch (double) for main and sub spindle

Condition: ready for operation (used), Year of construction: 2015, functionality: fully functional, machine/vehicle number: 5752, travel distance X-axis: 1,250 mm, travel distance Y-axis: 540 mm, travel distance Z-axis: 520 mm, spindle speed (max.): 2,000 rpm, table length: 1,800 mm, TECHNICAL DETAILS Travel X-axis: 1,250 mm Travel Y-axis: 540 mm Travel Z-axis: 520 mm Main spindle power: 7.5 kW Spindle speed: 275 - 2,000 rpm Table length: 1,800 mm Table width: 400 mm MACHINE DETAILS Control manufacturer: Heidenhain Number of axes: 3 Tool holder: BT50 Power: 12.0 kW Dimensions & Weight Dimensions (L x W x H): 2100 x 2100 x 2200 mm Ncedpfxjy Avvas Akfer Weight: 3,600 kg EQUIPMENT Tools

Condition: excellent (used), Year of construction: 1990, functionality: fully functional, travel distance X-axis: 1,600 mm, travel distance Y-axis: 920 mm, travel distance Z-axis: 950 mm, spindle diameter: 128 mm, controller model: HEIDENHAIN iTNC530, The machine was overhauled and modernized in 2005. Repairs were carried out in 2025. The following work was performed: - Cleaning of the machine - Overhaul and adjustment of machine geometry - Overhaul of machine functionality - Overhaul of electrical equipment - Overhaul of hydraulics and lubrication - Backlash compensation and drive optimization - Replacement of guideway wipers - Repair of the telescopic cover - Overhaul of the CHOV-K 10 bar tool cooling system - Overhaul of the AVN40 tool changer TECHNICAL DETAILS Main spindle diameter: 128.57 mm Tool holder: ISO 50 Spindle speed range: 5,000 rpm Travel X-axis: 1,600 mm Travel Y-axis: 920 mm Travel Z-axis: 950 mm Clamping surface of table: 850 x 850 mm (850 x 1,600 mm including additional supports) Table load capacity: 3,000 kg MACHINE DETAILS Control: HEIDENHAIN iTNC530 EQUIPMENT Ncsdpfxsy Edl Us Akfor - Handwheel - SIEMENS motors and drives - CNC table - full B-axis control - CHOV-K 10 bar - through-spindle cooling – emulsion - ATC40 - automatic tool changer - Operator console protected against chips and coolant - Workpiece cover

Condition: ready for operation (used), Year of construction: 1983, operating hours: 8,529 h, functionality: fully functional, travel distance X-axis: 1,200 mm, travel distance Y-axis: 1,120 mm, travel distance Z-axis: 950 mm, table load: 3,000 kg, spindle diameter: 100 mm, The machine was modernised and overhauled in 2002! TECHNICAL DETAILS Working spindle diameter: 100 mm Spindle speed range: 1,800 rpm Taper: ISO 50 Ncedpfey Edgfox Akfer Spindle travel (W): 630 mm Travel X-axis: 1,200 mm Travel Y-axis: 1,120 mm Travel Z-axis: 950 mm Table clamping surface: 1,000 mm x 1,120 mm Table load capacity: 3,000 kg MACHINE DETAILS Control system: HEIDENHAIN TNC426 Motors and drives: SIEMENS Operating hours (as displayed): Control system on-time: 37,038 h Machine operating time: 30,987 h Program run time: 8,529 h Spindle run time: 12,156 h EQUIPMENT Handwheel: HR410

Condition: ready for operation (used), Year of construction: 1999, functionality: fully functional, machine/vehicle number: 144205, turning length: 2,500 mm, controller model: MAZATROL PC-Fusion CNC 640MT, Equipment: chip conveyor, TECHNICAL DETAILS Turning length: 2,500 mm MACHINE DETAILS Control: MAZATROL PC-Fusion CNC 640MT Tool magazine: 30 tool stations EQUIPMENT High-pressure coolant system Driven tools Nodpfx Ajy Dp Acjkfecr Chip conveyor Measuring probe/tool measurement Steadies (lunettes) Note: A minor repair has been carried out on the machine. The repair certificate is attached.

Condition: ready for operation (used), functionality: fully functional, travel distance X-axis: 5,300 mm, travel distance Y-axis: 1,500 mm, travel distance Z-axis: 2,000 mm, spindle speed (max.): 1,800 rpm, table length: 7,000 mm, TECHNICAL DETAILS Travel range X-axis: 5,300 mm Travel range Y-axis: 1,500 mm Travel range Z-axis: 2,000 mm Ncedpfx Aey Dg I Nskfor Table size: 7,000 x 1,000 mm Tool holder: SK 50 Spindle speeds: 12.5 – 1,800 rpm Spindle motor: 22 kW Feed rate range: 6 – 10,000 mm/min Rapid traverse: 15 m/min Number of tool changer positions: 24 MACHINE DETAILS Total power requirement: 70 kW Dimensions & Weight Space requirements: approx. 8.7 x 4.7 x 4.1 m Machine weight: approx. 30 t EQUIPMENT Electronic handwheel Automatic swivelling milling head, vertical/horizontal 2 x 180° Milling head swivels automatically in the rear axis 72 x 5° Automatic tool changer (ATC 24) Coolant system Extended cross travel (Y-axis) 1,500 mm Extended vertical travel (Z-axis) 2,000 mm

Condition: ready for operation (used), Year of construction: 2008, functionality: fully functional, turning length: 1,585 mm, turning diameter: 300 mm, controller model: Siemens 840D Powerline, number of slots in tool magazine: 120, No minimum price – guaranteed sale to the highest bidder! TECHNICAL DETAILS Turning length: 1,585 mm Turning diameter: 300 mm Tool magazine capacity: 120 positions MACHINE DETAILS Control: Siemens 840D Powerline EQUIPMENT Sub spindle C-axis Hollow clamping device (diameter 68 mm) on main spindle, left Measuring device with probe Nedpfx Asy Dqtiskfocr Oil mist separator

Condition: ready for operation (used), Year of construction: 2019, operating hours: 2,770 h, functionality: fully functional, machine/vehicle number: NL257181158, turning length: 705 mm, travel distance X-axis: 260 mm, travel distance Y-axis: 50 mm, travel distance Z-axis: 795 mm, swing diameter over cross slide: 742 mm, swing diameter over bed slide: 920 mm, TECHNICAL DETAILS Working Area Swing diameter over bed max.: 920 mm Swing diameter over cross slide max.: 742 mm Turning length max.: 705 mm Bar capacity: 80 mm X-axis travel: 260 mm Y-axis travel: 50 mm Z-axis travel: 795 mm Main Spindle Power: 18.5/15 kW Max. speed: 4,000 rpm Chuck size: 10 inch Spindle bore: 91 mm Front bearing diameter: 140 mm Sub Spindle Power: 11/7.5 kW Max. speed: 4,000 rpm Chuck size: 6 inch Spindle bore: 45 mm Front bearing diameter: 85 mm Turret and Axes Tool stations: 12 Tool shank cross-section: 25 mm Max. driven tool speed: 10,000 rpm Rapid traverse X-axis: 30,000 mm/min Rapid traverse Y-axis: 10,000 mm/min Rapid traverse Z-axis: 30,000 mm/min Rapid traverse B-axis: 30,000 mm/min MACHINE DETAILS Control: M730UM with CELOS Operating hours: 2,770 h Power-on hours: 10,820 h Dimensions & Weight Machine height: 2,000 mm Installation dimensions: 3,347 x 2,106 mm Weight: 5,820 kg EQUIPMENT Y-axis Sub spindle Main spindle with 10-inch chuck Sub spindle with 6-inch chuck Chip conveyor Ncodpfoy A Nf Iex Akfor High-pressure coolant system Tool measuring system Parts catcher Workpiece ejector Interface for bar loader

Condition: good (used), Year of construction: 1997, Manufacturer: Line Type: Seramill 240 Control: NUM 750 Ncodpfx Akoyf A H Njfsr Travel X: 6000 mm Travel Y: 2500 mm Travel Z: 950 mm Column spacing: 2400 mm Table: 6000 x 2100 mm Automatic milling head: 2.5° Spindle speed: 3200 rpm Feed rate: 10 m/min Machine weight: approx. 35 tons

Condition: new, functionality: fully functional, power: 55 kW (74.78 HP), Year of construction: 2026, Ball Mill for Powder and Mining Plant: Structure, Function, and Technical Details A ball mill is a key grinding machine widely used in mining, metallurgy, cement, chemical, and powder-making industries. It is designed to grind various ores and other materials into fine powder through impact and attrition between steel balls and the material inside a rotating cylindrical shell. In mining plants, ball mills are essential for ore beneficiation, preparing materials for flotation, magnetic separation, or leaching processes. In powder production, they ensure uniform particle size and high surface area for further processing. Working Principle The ball mill operates on a simple yet effective principle: as the cylindrical shell rotates around its horizontal axis, the grinding media (steel or ceramic balls) are lifted along the inner wall by centrifugal force and friction. When they reach a certain height, they fall freely, striking and grinding the material below. This repeated motion causes both impact and abrasion, reducing the material to the desired fineness. The grinding process can be performed in dry or wet conditions depending on the application. Structural Composition A standard ball mill consists of several main components: Feeding part: Equipped with a feeder or screw conveyor to ensure uniform material input. Discharging part: Can be grate type or overflow type, depending on the discharge method. Rotating part: The cylindrical shell made of steel plates, lined with wear-resistant liners. Transmission system: Includes motor, reducer, small transmission gear, and electrical control. Grinding media: Steel balls or ceramic balls of different diameters for efficient grinding. The internal liner design and ball size distribution are optimized to achieve maximum grinding efficiency and minimal energy consumption. Technical Details Typical Specifications: Feeding size: ≤25 mm Discharge size: 0.074–0.4 mm Capacity: 0.65–615 t/h (depending on model and material hardness) Cylinder speed: 18–38 r/min Power: 18.5–4500 kW Liner material: High manganese steel, rubber, or alloy steel 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 Ncjdoq Nf U Eepfx Akfer 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.

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. Nodevzx Auepfx Akfecr Technical Details We have different models and options for different requirements, please contact us for more info.

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. Nedpfjq Nfbhox Akfjcr 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.

Condition: new, functionality: fully functional, Year of construction: 2026, Microsilica, also known as silica fume or condensed silica fume, is a byproduct of producing silicon metal or ferrosilicon alloys. Microsilica powder grinding mills are used to process microsilica powder for various applications, including the production of high-performance concrete, refractory materials, and other specialty products. Grinding mills play a crucial role in reducing microsilica particles to the desired fineness. Here are some key aspects related to microsilica powder grinding mills: 1. Mill Types: - Ball Mill: A traditional ball mill is commonly used for grinding microsilica. It relies on the impact and attrition forces to reduce particle size. It is effective for both wet and dry grinding. - Vertical Roller Mill (VRM): VRM technology is known for its energy efficiency and the ability to grind materials into a narrow particle size distribution. It is suitable for grinding microsilica. 2. Grinding Process: - The grinding process involves feeding microsilica particles into the grinding mill. The grinding media (balls or rollers) inside the mill crush and grind the microsilica particles into a fine powder. 3. Particle Size Distribution: - Controlling the particle size distribution is crucial for achieving the desired properties in the final product. The grinding mill should be equipped with mechanisms to control and monitor particle size distribution. 4. Mill Design and Components: - The design of the grinding mill, including the type of grinding media, liners, and the grinding chamber, influences the efficiency and performance of the milling process for microsilica. Nedpfx Akeq Nxp Sjfocr 5. Air Classification (Optional): - In some cases, air classification systems are integrated into the grinding process to separate fine particles from coarser ones, ensuring a more uniform product. 6. Control Systems: - Advanced grinding mills often come with automated control systems to regulate various parameters such as feed rate, mill speed, and product fineness. 7. Material Handling: - Efficient material handling systems are essential to transport microsilica to and from the grinding mill. This may involve pneumatic or mechanical conveying systems. 8. Cooling Systems: - Grinding processes generate heat, and efficient cooling systems are often integrated to maintain the temperature within a controlled range. 9. Dust Collection: - Microsilica powder grinding can produce airborne dust. Dust collection systems are necessary to maintain a clean and safe working environment. 10. Quality Assurance: - Grinding mills for microsilica should be equipped with quality assurance features, such as in-line particle size analysis, to ensure consistency in the final product. When selecting a microsilica powder grinding mill, factors such as production capacity, energy efficiency, and the required particle size distribution should be considered. Additionally, mills should be chosen based on the specific characteristics of the microsilica being processed and the intended application of the final product.

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. Njdpeq Ngafefx Akfjcr 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) 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.

Condition: new, fuel type: electric, Year of construction: 2026, machine/vehicle number: 2700x4500, Equipment: low noise, Main Technical parameters of the ball mill Drum diameter: 2400mm Drum length: 4500mm Motor power: 320KW Max input size: 25mm Capacity:35-60 t/h Weight: 72Tons Ball loading: 30Tons Besides this model, we also have the other models like 2700x4500, 3200x4500, 1830x13000mm, and so on, and we can also offer customerization service, we can also provide complete grinding solution for various industries like cement, quartz, ore beneficiation plant, and so on, welcome to contact us for more info. A ball mill is a common grinding machine used to grind and blend materials for use in mineral processing, including ore mining and the production of silica (silicon dioxide). When it comes to ore mining and silica grinding, the characteristics of the ore and the final product requirements will play a crucial role in selecting the appropriate ball mill. Here are some considerations for using a ball mill in ore mining and silica grinding: 1. Ore Characteristics: - Hardness: The hardness of the ore determines the type of ball mill that is most suitable. Harder ores may require a more robust and wear-resistant ball mill. - Particle Size Distribution: The initial particle size of the ore affects the grinding process. Different ores may require different approaches to achieve the desired particle size. 2. Silica Grinding: - Silica Content: If the primary goal is to grind silica, it's important to consider the initial silica content and the desired final particle size. Silica grinding often requires special attention to prevent excessive wear on the milling equipment. 3. Ball Mill Type: - Overflow vs. Grate Discharge: The type of discharge from the ball mill can impact the final product and the grinding efficiency. Overflow mills are generally used for most grinding applications, while grate discharge mills are more suitable for certain types of ores. 4. Mill Size and Capacity: - Mill Diameter and Length: The size of the ball mill should be selected based on the amount of material to be ground and the desired throughput. - Capacity: Ensure that the chosen ball mill has the capacity to handle the required volume of material efficiently. 5. Grinding Media: - Material and Size: The choice of grinding media (balls or cylpebs) and their size depends on the hardness of the ore and the desired final particle size. Different grinding media materials can impact the purity of silica during grinding. 6. Liners and Lifting Aids: - Liners: Consider the type of liners used in the ball mill to protect the shell and optimize the grinding process. Nodpsq Igiisfx Akfscr - 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.

Condition: new, Year of construction: 2026, Creating a cheap portable or mobile sand making plant involves optimizing costs while maintaining functionality and efficiency. Here's a basic outline of components and considerations for designing a cost-effective portable sand making plant: 1. Portable Sand Making Machine: Ncjdpsq N Ud Isfx Akfor - Select a cost-effective sand making machine that meets your production requirements. Consider factors like capacity, efficiency, and maintenance costs. - Look for options that offer good performance at a lower initial investment. 2. Screening Equipment: - Choose a portable screening unit to separate the sand into different sizes. This is crucial for producing high-quality sand with the desired particle size distribution. - Consider modular screening units that are easy to transport and set up. 3. Conveyor Systems: - Utilize conveyors to transport raw materials between different components of the plant. Opt for simple and reliable conveyor systems. - Explore cost-effective conveyor options that are easy to maintain. 4. Hopper and Feeder: - Incorporate a hopper and feeder system to ensure a continuous flow of raw materials to the sand making machine. This helps optimize the production process. - Choose a design that minimizes material spillage and wastage. 5. Power Source: - Consider energy-efficient power sources to reduce operational costs. This could include using generators or connecting to the electrical grid, depending on the availability and cost of electricity in your location. 6. Chassis and Mobility: - Opt for a simple and robust chassis design that allows for easy transportation. Depending on your needs, choose between wheels or tracks for mobility. - Aim for a design that facilitates quick setup and dismantling to save time and labor costs. 7. Control System: - Implement a user-friendly control system that enables operators to monitor and adjust the sand making process efficiently. - Consider automation features that enhance control and reduce the need for constant manual intervention. 8. Dust Control and Environmental Considerations: - Integrate effective dust control measures to comply with environmental regulations and ensure a safe working environment. - Explore environmentally friendly features to align with sustainability goals. 9. Modular Design: - Consider a modular design for easy customization and scalability. This allows you to adapt the plant to varying production needs over time. 10. Used Equipment: - Explore the possibility of using refurbished or used equipment to cut down on initial costs. Ensure that the used equipment is in good working condition and can meet your production requirements. Remember that while cost optimization is important, it's crucial to maintain the quality and efficiency of the sand making process. Additionally, compliance with environmental regulations should be a priority. Always consider the specific requirements of your project and seek professional advice if needed.

Condition: used, functionality: fully functional, mileage: 3,22,763 km, power: 353 kW (479.95 HP), first registration: 02/2024, fuel type: diesel, overall weight: 8,088 kg, axle configuration: 4x2, wheelbase: 390 mm, color: white, gearing type: automatic, emission class: euro6, Year of construction: 2023, number of cylinders: 6, cubic capacity: 12,419 cm³, steering wheel position: left, Equipment: full service history, power assisted steering, Features MAN EfficientCruise 3. Large cab capacity with mid-height roof GX. Battery, 12 V, 230 Ah, 2 units, maintenance free. Diesel engine MAN D2676 LFAY, 353 kW (480 hp) output, 2,450 Nm torque, Euro 6e. MAN TipMatic Efficiency Plus driving program, without kickdown function Advanced Emergency Brake Assist (EBA). Adaptive cruise control - ACC Driver comfort Air-conditioning system, Climatronic. Comfort driver’s seat, air-sprung, with lumbar support and shoulder adjustment. Comfort co-driver’s seat, air-sprun. Bunk, top, with slatted support. Bunk, bottom, with slatted support. Auxiliary water heater 4 kW (night heater). Fridge and drawer, 1 unit, centre area, to rear. Ncsdsy Hdvpepfx Akfer Technical specifications Continental VDO 4.1 smart tachograph version 2 - legal demand from 21/08/2023 Multi-function steering wheel, adjustable height and angle. Front axle tyres - 315/70 R22.5. Rear axle tyres - 315/70 R22.5. JOST JSK 37 C 2" fifth-wheel coupling. Main wheelbase, 3900 mm. Fuel tank capacity 580 l, left, alum. AdBlue tank capacity 80 l, left, plastic. Fuel tank capacity 580 l, right, alum. Maximum speed limiter, 89 km/h, tolerance +1 km/h, electronic, engine speed regulation. Technology MMT infotainment system, Advanced Mid. MAN TeleMatics. Exterior Front headlights, LED. Daytime driving lights, LED. Fog lights, LED. Contour lights, bulb, 2 units Roof spoiler, 600 mm adjustment range. Side flaps, left folding and right fixed.