Used Linear Ball Bearings for sale (7,473)

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. Nledpfx Acozlqnyj Ajg We have up to 8 of these available. Contact us for more information

Condition: good (used), Linear bearing, linear rail, linear guide, roller guide rail, guide carriage, guide rail, roller carriage, electric carriage, linear carriage -Manufacturer: Afag, linear slide electric slide -Type: ES30-400 -Stroke_ 400 mm Njdpfx Acoxw Ubbs Aelg -Shaft: Ø 20 mm -Dimensions: 630/60/120 mm -Weight: 6.6 kg

Condition: excellent (used), Rolling bearings, ball bearings, SKF bearings, SKF, self-aligning bearings, roller bearings, needle bearings, axial cylindrical roller bearings, shaft washer, axial needle roller cage, cylindrical roller cage -Manufacturer: INA, Axial cylindrical roller bearings, axial needle roller bearings, 5 pcs., unused, original packaging -Type: AXK 150190 A -Outer diameter: 190 mm -Inner diameter: 150 mm -Dimensions: Ø 190 x 5 mm -Price per pack of 5 pieces: 200 euros Nledpfx Aov Sprnoc Aeg -Stock: 4 package units and 2 individual items -Weight: 0.2 kg/piece

Condition: excellent (used), Ball bearings, roller bearings, axial cylindrical roller bearings, cylindrical roller bearings -Manufacturer: INA, cylindrical roller bearing. SL04 5020PP, unused, original packaging -Type: INA SL045020-D-PP -Item no.: 1031 4147 MOuter diameter: 150 mm -Inner diameter: 100 mm -Width: 67 mm -Number: 6x cylindrical roller bearings available -Price: per piece -Dimensions box: 160/160/H70 mm Nlsdpfx Ajv Rw Syjc Ajg -Weight: 3.8 kg/piece

Condition: used, Ball screw with nut, transroll screw, ball screw nut, lead screw, ball screw, linear bearing, precision ball screw, ball screw -Manufacturer: Blis, ball screw ball screw Nedpfom U A E Hox Ac Aslg -Thread length: 1075 mm -Thread: Ø 25 mm / pitch 4 mm -Dimensions: see photos -Dimensions: Ø 70 X 1235 mm -Weight: 4.7 kg

Condition: used, Dovetail guide wedge bar, linear bearing, linear rail, linear guide, guide rail, linear guide rail, profile rail, slide rail -Guide rail: Linear guide rail, wedge-shaped for dovetail guide -Rail length: 265 mm -Total width: 21 mm -Rail height: 8/3 mm Nledpfx Acjuzn Idj Aeg -Dimensions: 265/21/H8 mm -Weight: 0.2 kg

Condition: excellent (used), Year of construction: 2008, functionality: fully functional, spindle speed (max.): 12,000 rpm, feed length X-axis: 400 mm, feed length Y-axis: 400 mm, feed length Z-axis: 250 mm, type of input current: three-phase, rotational speed (max.): 12,000 rpm, travel distance X-axis: 400 mm, travel distance Y-axis: 400 mm, travel distance Z-axis: 250 mm, grinding spindle motor power: 10,500 W, power: 10.3 kW (14.00 HP), input current: 30 A, input frequency: 50 Hz, input voltage: 400 V, grinding wheel speed: 12,000 rpm, year of last overhaul: 2024, Equipment: rotational speed infinitely variable, For Sale: 2008 Schütte 305 Linear 5-Axis CNC Tool & Cutter Grinder | Siemens 840D | New Spindle | Medical-Grade Machine Now available at Used Machine Tools Ireland Ltd, this high-precision Schütte 305 Linear 5-Axis CNC Tool and Cutter Grinder (2008) is an exceptional solution for tool regrinding, complex geometry grinding, and high-volume production. Previously in operation at a leading medical device company, this machine has been meticulously maintained, with a brand-new spindle installed in 2024. This grinder is fully equipped with modern tooling support systems including fire suppression, Absolent mist extraction, Ebbco coolant filtration, and in-line chiller, making it production-ready for demanding grinding applications. 🔹 Manufacturer: Alfred H. Schütte 📅 Year of Manufacture: 2008 📍 Location: Ireland ⚙️ Condition: Very Good – Ex-medical device use 🚀 Availability: Immediate 🔧 Spindle: Replaced in 2024 Nlsdpfow Nycijx Ac Ajg 🛠️ Technical Specifications: Machine: Schütte 305 Linear CNC Tool & Cutter Grinder Machine Type: 5 Axis CNC Grinder Model: 305 Linear Year: 2008 Control: Siemens 840D with Windows XP Axes: 5-Axis CNC X-Axis Travel: 400 mm X-Axis with Tailstock: 400 mm Y-Axis Travel: 400 mm Z-Axis Travel: 250 mm Spindle Motor Power: 14 HP Spindle Speed: Up to 12,000 RPM Software: SIGS – Schütte Integrated Grinding Software Condition: Very good – Ex-medical device industry Spindle Replaced: 2024 (new) ⚙️ Equipped With: 🔥 Fire Suppression Unit 🌫️ Absolent Mist Extraction System 💧 Ebbco Coolant Filtration Unit ❄️ Ebbco In-line Chiller 🧠 Advanced SIGS Grinding Software 🛡️ New Spindle (2024) 💡 Ideal Applications: Tool & cutter regrinding Custom tooling production Precision carbide & HSS grinding Medical, aerospace, and high-specification manufacturing Schütte 305 Linear for sale Used 5-axis CNC tool grinder Tool and cutter grinder Siemens 840D Schütte SIGS software grinder CNC tool regrinding machine Ireland Schütte tool grinder with mist extraction Medical-grade grinding equipment High-performance cutter grinder 5-axis Notes: *Specifications are given in good faith but not guaranteed*

Year of construction: 2004, condition: excellent (used), Slewing bearings, slewing ring, single-row ball bearing, four-point contact bearing, gear ring, steering ring, -Slewing bearings Njdpfxsiqpx Ns Ac Aolg -Type: Drawing No. 281.30.1200.013.11.1503 -Dimensions: see photos -Dimensions total: Ø 1395 x 90 mm -Transport weight: 240 kg

Condition: excellent (used), Year of construction: 2008, functionality: fully functional, spindle speed (max.): 12,000 rpm, feed length X-axis: 400 mm, feed length Y-axis: 400 mm, feed length Z-axis: 250 mm, type of input current: three-phase, rotational speed (max.): 12,000 rpm, grinding spindle speed: 12,000 rpm, travel distance X-axis: 400 mm, travel distance Y-axis: 400 mm, travel distance Z-axis: 250 mm, grinding spindle motor power: 10,500 W, power: 10.3 kW (14.00 HP), input current: 30 A, input frequency: 50 Hz, input voltage: 400 V, year of last overhaul: 2024, Equipment: rotational speed infinitely variable, For Sale: 2008 Schütte 305 Linear 5-Axis CNC Tool & Cutter Grinder | Siemens 840D | New Spindle | Medical-Grade Machine Now available at Used Machine Tools Ireland Ltd, this high-precision Schütte 305 Linear 5-Axis CNC Tool and Cutter Grinder (2008) is an exceptional solution for tool regrinding, complex geometry grinding, and high-volume production. Previously in operation at a leading medical device company, this machine has been meticulously maintained, with a brand-new spindle installed in 2024. This grinder is fully equipped with modern tooling support systems including fire suppression, Absolent mist extraction, Ebbco coolant filtration, and in-line chiller, making it production-ready for demanding grinding applications. 🔹 Manufacturer: Alfred H. Schütte Nljdpfsw Nyc Aox Ac Aeg 📅 Year of Manufacture: 2008 📍 Location: Ireland ⚙️ Condition: Very Good – Ex-medical device use 🚀 Availability: Immediate 🔧 Spindle: Replaced in 2024 🛠️ Technical Specifications: Machine: Schütte 305 Linear CNC Tool & Cutter Grinder Machine Type: 5 Axis CNC Grinder Model: 305 Linear Year: 2008 Control: Siemens 840D with Windows XP Axes: 5-Axis CNC X-Axis Travel: 400 mm X-Axis with Tailstock: 400 mm Y-Axis Travel: 400 mm Z-Axis Travel: 250 mm Spindle Motor Power: 14 HP Spindle Speed: Up to 12,000 RPM Software: SIGS – Schütte Integrated Grinding Software Condition: Very good – Ex-medical device industry Spindle Replaced: 2024 (new) ⚙️ Equipped With: 🔥 Fire Suppression Unit 🌫️ Absolent Mist Extraction System 💧 Ebbco Coolant Filtration Unit ❄️ Ebbco In-line Chiller 🧠 Advanced SIGS Grinding Software 🛡️ New Spindle (2024) 💡 Ideal Applications: Tool & cutter regrinding Custom tooling production Precision carbide & HSS grinding Medical, aerospace, and high-specification manufacturing Schütte 305 Linear for sale Used 5-axis CNC tool grinder Tool and cutter grinder Siemens 840D Schütte SIGS software grinder CNC tool regrinding machine Ireland Schütte tool grinder with mist extraction Medical-grade grinding equipment High-performance cutter grinder 5-axis Notes: *Specifications are given in good faith but not guaranteed*

Condition: excellent (used), Year of construction: 2010, functionality: fully functional, travel distance X-axis: 500 mm, travel distance Y-axis: 450 mm, travel distance Z-axis: 400 mm, workpiece length (max.): 630 mm, workpiece width (max.): 630 mm, workpiece height (max.): 500 mm, workpiece weight (max.): 200 kg, total height: 2,590 mm, total length: 4,780 mm, total width: 4,410 mm, table height: 390 mm, table length: 390 mm, overall weight: 5,900 kg, spindle speed (max.): 18,000 rpm, spindle motor power: 25 W, number of slots in tool magazine: 30, Equipment: chip conveyor, Year of construction: 2010 CNC controller: Heidenhain iTNC 530 Axes X-axis travel mm: 500 Y-axis travel mm: 450 Z-axis travel mm: 400 C-axis degrees: 360º (0,001) B-axis degrees: 0º/108º (0,001) Rapid traverse m/min: 80/50/50 Milling/turning table nc: Table dimensions mm: Ø390 Maximum workpiece size (D x H) mm: Ø630x500 Max. workpiece weight kg: 200 Spindle Spindle speed rpm: 18000 Spindle drive power kW: 35/25 (40%ED/cont) Spindle torque Nm: 130/87 Tool system Tool holder: HSK-A 63 Tool magazine slots: 30 With free neighboring places mm: 130 With occupied neighboring places mm: 80 Max. Tool Length mm: 300 Chip-to-chip time s: 5 Equipment Chip conveyor Infrared probe Rinsing gun blowing air through spindle center selectable via M-function Signal lamp Laser tool measurement for measuring tool length and diameter Programmable coolant nozzles Heat compensator Direct measuring system XYZ Electrical cabinet active cooling unit Oil skimmer Ready for internal cooling (40/80 bar) RENISHAW Measuring probe Automatic door Machine running times Under power: 54257 Spindle Working: 32498 Rated power kVA: 48 Basic machine dimensions / weight Length mm: 4780 Nlsdpfx Ajz Dp Dboc Aog Width mm: 4410 Height mm: 2590 Weight kg: 5900

Condition: excellent (used), Large slewing bearings, slewing ring, single-row ball slewing ring, four-point bearing -comes from: HUSS Rides, manufacturer of leisure facilities -Replacement part: from Top Junior 70011-15 -Manufacturer: Rothe Erde -Type: 2 -Type: 2.060.40.0490.001 63132.609 -Outer diameter: 625 mm -Inner diameter: 354 mm -Height: 90 mm -Quantity: 3x available in storage -Price: per piece Nljdpfx Acocgf R Ds Ajg -Weight: 122 kg

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. 10. Customized Applications: Nedpsq I N H Nefx Ac Aslg - *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.

Condition: used, Recirculating ball screw with nut, transroll spindle, ball screw nut, threaded spindle, threaded rod, threaded bolt, threaded rod, ball screw drive, linear bearing, precision ball screw -Manufacturer: Steinmeyerr, precision ball screw -Shaft: Ø 20 mm Nlsdpofngxdefx Ac Asg -Thread length: 525 mm -Dimensions: 680/100/H70 mm -Weight: 4.6 kg

Condition: good (used), Year of construction: 2006, functionality: fully functional, Fanuc control, 5 axes, Nledpfxoz E Ayxs Ac Aeg powered tools, tool changer spindle, tool magazine.

Condition: ready for operation (used), Year of construction: 2001, functionality: fully functional, travel distance X-axis: 220 mm, travel distance Y-axis: 560 mm, travel distance Z-axis: 720 mm, overall weight: 12,000 kg, spindle speed (min.): 20 rpm, spindle speed (max.): 12,000 rpm, spindle nose: SK40, number of slots in tool magazine: 32, type of input current: three-phase, Equipment: chip conveyor, documentation/manual, rotational speed infinitely variable, DMF 220 linear, manufactured in 2001 Nljdpozar Sqsfx Ac Asg X-axis travel: 2,200 mm Y-axis travel: 560 mm Z-axis travel: 720 mm Control system: Siemens 810/840 D Spindle speed range - milling: 20 ~ 12,000 rpm Tool interface: SK 40 Drive power - milling spindle: 35 / 25 kW Tool magazine with 32 positions Table surface area: 2,600 x 600 mm Rapid traverse rate X-axis: 80 m/min Rapid traverse rate Y-axis: 50 m/min Rapid traverse rate Z-axis: 50 m/min Max. tool length: 300 mm Max. tool weight: 6 kg Max. table load: 2,200 kg Chip conveyor IKZ-40 bar Prepared for Renishaw OP60 Total power consumption: kW Machine weight: approx. 12 t Space requirement: approx. 7.0 x 4.2 x 2.7 m

Condition: used, Year of construction: 2011, operating hours: 26,476 h, functionality: fully functional, workpiece height (max.): 500 mm, workpiece diameter (max.): 630 mm, workpiece weight (max.): 200 kg, total height: 2,590 mm, total length: 4,780 mm, total width: 4,410 mm, table height: 390 mm, table length: 390 mm, overall weight: 5,900 kg, spindle speed (max.): 18,000 rpm, spindle motor power: 25 W, number of slots in tool magazine: 30, Equipment: chip conveyor, Year of construction: 2011 CNC controller: Heidenhain iTNC 530 Axes X-axis travel mm: 500 Y-axis travel mm: 450 Z-axis travel mm: 400 C-axis degrees: 360º (0,001) B-axis degrees: 0º/108º (0,001) Rapid traverse m/min: 80/50/50 Milling/turning table nc: Table dimensions mm: Ø390 Maximum workpiece size (D x H) mm: Ø630x500 Max. workpiece weight kg: 200 Spindle Spindle speed rpm: 18000 Spindle drive power kW: 35/25 (40%ED/cont) Spindle torque Nm: 130/87 Tool system Tool holder: HSK-A 63 Tool magazine slots: 30 With free neighboring places mm: 130 With occupied neighboring places mm: 80 Max. Tool Length mm: 300 Chip-to-chip time s: 5 Equipment Chip conveyor Infrared probe Rinsing gun blowing air through spindle center selectable via M-function Signal lamp Laser tool measurement for measuring tool length and diameter Programmable coolant nozzles Heat compensator Direct measuring system XYZ Electrical cabinet active cooling unit Njdpfx Acsz Dku Ue Aelg Oil skimmer Ready for internal cooling (40/80 bar) RENISHAW Measuring probe Automatic door Machine running times Under power: 43774 Spindle Working: 26476 Rated power kVA: 48 Basic machine dimensions / weight Length mm: 4780 Width mm: 4410 Height mm: 2590 Weight kg: 5900

Condition: excellent (used), Year of construction: 2022, functionality: fully functional, travel distance X-axis: 3,600 mm, travel distance Y-axis: 1,100 mm, travel distance Z-axis: 900 mm, controller model: HEIDENHAIN TNC 640 CELOS, rotational speed (min.): 20 rpm, rotational speed (max.): 10,000 rpm, DMG MORI DMF 360|11 linear – Traveling Column Milling Machine For sale is a DMG MORI DMF 360|11 linear with extensive equipment and a HEIDENHAIN TNC 640 / CELOS control system. Technical data Travel ranges X-axis: 3,600 mm Y-axis: 1,100 mm Z-axis: 900 mm Rapid traverse rate X/Y/Z: 80 / 60 / 60 m/min Linear drive in the X-axis Milling head / Spindle NC swivel milling head, B-axis Spindle speed: 20 – 10,000 rpm Spindle power: 44 / 32 kW Torque: 288 / 187 Nm Tool holder: SK50 / DIN ISO 7388-1-A50 Tool magazine 120 tool positions Chain magazine with dual gripper Mechanical setup aid for tool loading Work table Fixed table with integrated rotary table Rotary table: Ø 1,050 mm Rotary table arranged on the left side Max. load capacity of rotary table: 1,200 kg Hydraulic clamping Control system HEIDENHAIN TNC 640 CELOS 21.5" ERGOline® Control Multi-touch screen Equipment / Options Internal coolant supply 40 bar / 980 l Nedpezv Eglsfx Ac Aolg Paper band filter Chip conveyor HEIDENHAIN TS 460 infrared measuring probe Preparation and software option for 3D quickSET MPC – Machine Protection Control Compressed air through the spindle center Oil and emulsion mist extraction system, 2 × 1,600 m³/h 2 rotating viewing windows Purge air for linear measuring systems Direct measuring systems Active cooling for main spindle and linear motor Automatic door drive Electronic handwheel IoTconnector Machine Data Connector (OPC UA / MTConnect / MQTT) NETservice Machine can be inspected by arrangement. Further information, photos and videos available on request.

Condition: used, Year of construction: 2005, Equipment: documentation/manual, We offer this used DMG MORI SPRINT 20 LINEAR CNC turning and milling center, manufactured in 2005. Manufacturer: DMG MORI Model: SPRINT 20 LINEAR Year of manufacture: 2005 Nsdpfx Acjz Ehyko Aolg Condition: Used Machine type: CNC turning and milling center If you have any questions or require further information, please do not hesitate to send us a message or call us.

Condition: excellent (used), Year of construction: 2019, machine/vehicle number: SO-22949/1/19, REF: MM6218 1 X Sparc Systems 8-lane linear weighing combination system. Technical specification⚙️ ✅ Manufacturer - Sparc Systems Ltd. ✅ Model - LCWS. ✅ Overall dimensions - 1620mm long x 920mm wide x 1620mm high. Nljdpfxsxd Thme Ac Ajg Note 🗒️ Seller has a quote for service and getting production-ready at cost of £12-15k per unit.

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 Nlodpfsq Nx Alox Ac Aeg 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.

Condition: excellent (used), Rolling bearings, ball bearings, SKF bearings, SKF, self-aligning bearings, roller bearings, needle bearings, axial cylindrical roller bearings, housing washer -Manufacturer: SKF INA, GS housing washer for cylindrical bearings / axial needle roller bearings. Unused, -Type: GS81112 INA GS 811 12 -Outer diameter: 85 mm -Inner diameter: 62 mm -Quantity: 163x bearing disc available -Price: per piece / from 2 pieces 14,- €/piece / from 10 pieces 12,- €/piece -Carton dimensions: 90/90/H20 mm Nljdpfjv Rnwyex Ac Ajg -Weight: 0.1 kg/piece

Condition: like new (used), Year of construction: 2024, Twin lane linear weigher. All stainless steel. Nodex Hgb Ispfx Ac Aslg

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. Nlodpsq Nf U Esfx Ac Asg 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.

Condition: good (used), Year of construction: 2013, functionality: fully functional, Fanuc control system, tool extraction spindle, powered tools, tool magazine. Nodpfx Aszz H Dvoc Aolg

Condition: new, RHP Bearings – Radial ball bearing MJ4.1/2JC3, unused, in original packaging, 100% functional. Njdpfx Acoi Ec Dbj Ajlg