Used Ball Screw for sale (7,463)

Condition: new, Year of construction: 2026, power: 300 kW (407.89 HP), Ball Mill for Mining & Fine Powder Making: Rcedpfxoq Ngafj Alcef A ball mill is a fundamental grinding device widely used in mining, metallurgy, cement, and chemical industries. It is designed to grind ores and other materials into fine powder through impact and attrition between steel balls and the material inside a rotating cylindrical shell. In mining plants, ball mills are essential for ore beneficiation, while in powder-making industries, they ensure uniform particle size and high surface area for further processing. Working Principle The ball mill operates on the principle of impact and friction. As the cylindrical shell rotates around its horizontal axis, the grinding media—usually steel or ceramic balls—are lifted along the inner wall by centrifugal force and friction. When they reach a certain height, they fall freely, striking and grinding the material below. This repeated motion breaks down the material into fine particles. The process can be carried out in dry or wet conditions depending on the application. Structural Composition A standard ball mill consists of several main components: Feeding part: Ensures uniform material input through a feeder or screw conveyor. Discharging part: Can be grate type or overflow type, depending on the discharge method. Rotating part: The cylindrical shell made of steel plates, lined with wear-resistant liners. Transmission system: Includes motor, reducer, small transmission gear, and electrical control. Grinding media: Steel or ceramic balls of various diameters for efficient grinding. The internal liner design and ball size distribution are optimized to achieve maximum grinding efficiency and minimal energy consumption. Technical Details/Typical Specifications: Feeding size: ≤25 mm Discharge size: 0.074–0.4 mm Capacity: 0.65–615 t/h (depending on model and material hardness) 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, 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. Rcsdpfxjq I Nw Is Alcsf

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. Rodpfx Aeq Igiislcjcf 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.

Condition: like new (used), Year of construction: 2014, operating hours: 2 h, functionality: fully functional, machine/vehicle number: 1058, overall weight: 7,000 kg, total length: 3,706 mm, total width: 2,276 mm, total height: 2,360 mm, power: 315 kW (428.28 HP), volume flow: 2,382 m³/h, operating pressure: 15 bar, pressure (min.): 4 bar, pressure (max.): 15 bar, noise level: 79 dB, type of cooling: air, Equipment: compressor, documentation/manual, type plate available, Kaeser FSD571SFC, 315kW Variable speed drive screw compressor, purchased and installed in 2014, the machines were never commissioned or used, so have only 2 hours manufacturers hours use. Can be viewed running in our facility in York UK prior to purchase Redpfx Alezww H Tjcecf

Condition: excellent (used), Year of construction: 2022, Wangen Twin NG70 Screw Pump Rsdpfx Alezt Ibgscocf 2022, Stainless, designed to reliably pump low to high viscous, volatile or gaseous products and for applications where maximum hygiene and efficiency is required. The hygienic pump for food and beverages, chemicals and cosmetics. With touch screen HMI screen controls, all on mobile stainless skid, 3Ph

Condition: used, all stainless steel loading height : ± 1.000 mm diameter of the screw : ± 350 mm outfeed height ± 1.600 mm length of the screw : ± 3.100 mm Rcodpfx Alszxdrfecjf dimensions hopper: ± 900 x 800 mm dimensions: (l x w x h): ± 3.200 x 900 x 2.300 mm mobile

Condition: excellent (used), Ball valve, ball valve with internal thread Rcededz A Tfspfx Alcsf -Condition: very good, unused, original packaging -Material: Pressed brass -Internal thread: 2" inch -full: passage, full ball -Number: 63 ball valves available -Price: per piece -Weight: 2.1 kg

Condition: used, Product supply bunker “Heckmann” with hopper ± 2.000L with driven shafts with fingers to separate the product input height: ± 3,400 mm 2 x 3kW, 1500 / 16 rpm dimensions (l x w x h) : ± 2.700 x 2.600 x 3.400 mm + Rcedpjzvpm Njfx Alcjf Elevating spiral screw “Heckmann” all stainless steel discharge height: ± 5.800 mm diameter of the screw : ± 600 mm length of the screw : ± 8.500 mm dimensions hopper: ± 1.300 x 1.000 mm dimensions: (l x w): ± 9.200 x 1.600 mm safety grille 5.5kW, 1500/20 rpm

Condition: excellent (used), Year of construction: 2009, operating hours: 4,824 h, functionality: fully functional, power: 5.52 kW (7.51 HP), 1 x Atlas Copco Airpower B.V. rotary screw compressor and refrigerant air dryer mounted on 200L receiver tank. Rsdozu Aw Sjpfx Alcscf Manufacturer - Atlas Copco Airpower B.V. Model - GX5 FF. Serial number - CAI361147. Date of manufacture - 2009. Working pressure - 10 bar. Working hours - 4824 hours. Electrical requirements: Compressor - 400 V / 50 hz / 3 phase. Air dryer - 230 V / 50 hz / 1 phase.

Condition: new, functionality: fully functional, Unused single-screw extruder / recycling extruder - Screw diameter: 140mm - Drive: Siemens motor, 95 kW - Volumetric K-Tron metering system - Degassing zone - Optionally with die head - Control system Redpfxsqy E Evj Alcjcf Optionally with strand granulator, water bath, etc. Inspection possible by arrangement.

Condition: used, Year of construction: 2016, Rated power: 132.0 kW Engine speed: 1,492 rpm Maximum operating pressure: 8.5 bar Rcjdszwgbaepfx Alcof Ambient temperature: 3-45 °C Operating hours (display): Approximately 64,834 hours / Load: Approximately 64,658 hours

Condition: used, Year of construction: 2003, Screw compressor, compressor, compressed air unit, stationary compressed air compressor -Handover in its current condition as inspected -defective, not functioning, problem: frequency converter does not communicate with the software -Delivery rate: 3.2-6.9 m³/min -Engine power: 18-24 kW -Structure: encapsulated Rjdohabk Depfx Alcocf -Max. pressure: 12.75 bar -Operating hours: 108252 h -Load hours: 30754 h -Year of manufacture: 2003 -Dimensions: 1850/850/H1900 mm -Weight: 592 kg

Condition: used, Manufacturer : Clextral Model : Evolum 32 Type: Twin-screw extruder Previous application: Food processing – Cooking and extrusion Frame sandblasted and repainted by the manufacturer Assembly comprising screws, barrel, shaft, coupling and bearing housing: brand new, original Clextral parts. To be assembled Refurbished second-hand Leroy Sommer 23.8 kW DC motor. To be assembled DC motor: 23.78 kW Length of screw/barrel: 640 mm Screw elements: nominal diameter 32 mm. L/D : 20 Rodpfx Aoy Abclslcecf Peripheral equipment not included but available on request: Granulator, dosing unit, water pump and new electrical cabinet. (Their integration may be subject to a feasibility study and a supplementary quotation.)

Condition: good (used), Screw stand, screw stands, clamping devices, Atlas screw stand, threaded screw stand, clamping tool, threaded support, -Adjustment via trapezoidal thread -Adjustment range: 295 - 530 mm -Quantity: 1 piece -Weight: 9 kg Redocxuqcopfx Alcjcf

Year of construction: 1994, operating hours: 32,303 h, condition: reconditioned (used), functionality: fully functional, Twin-screw extruder, second-hand Manufacturer: Reifenhäuser Type: BT 1000-2-63 K Rcedpfx Asyhcghslcef Year of construction: 1994 Machine no.: 32061 Operating hours: 32,303 hours Screw geometry: conical for PVC-hard profiles Screw diameter: 63 - 121 mm Screw length: 1300 mm Screw speed: max. approx. 32 1/min. Nominal torque from gearbox: 1000 daNm Dynamic load rating of the back pressure bearing: 103600 daN Motor power: 43.0 kW, Drive motor: Baumüller DC motor Barrel heating/cooling zones: 4/3 (air cooling with fan) Adapter heating zones: 1 Tool heating zones: 5 Temperature control: digital temperature controller (2 x PSG Multipact 88) Max. permissible melt pressure: 500 bar Output: approx. 150 - 200 kg/h for rigid PVC profiles Accessories: Dosing device and material hopper Extrusion height: 1150 mm Dimensions: 4250 x 1200 x 1750 mm without hopper (LxWxH) Weight: approx. 3000 kg Condition: The machine came directly from production and was cleaned by us, repainted (RAL 7035, light gray) and checked for function. Barrel and screws are in a good condition.

Year of construction: 1979, operating hours: 216 h, condition: reconditioned (used), functionality: fully functional, Twin-screw extruder, parallel Manufacturer: Hans Weber Maschinenfabrik GmbH Type: DS 85 Year of manufacture: 1979/2022 Rcedpfx Aleyhcc Ajcef Machine no.: 85-399 Screw geometry: for PVC-hard profiles Screw diameter: 2 x 85 mm Screw length: 17 x D Screw speed: max. 30 rpm Screw torque: 10000 Nm Motor power: 3.3 - 25.0 kW Drive motor: commutator motor Elektra Faurndau Cylinder heating/cooling zones: 4/2 (air cooling with fan) Tool heating zones: 8 Temperature control: 12 x digital temperature controllers (PMA KS40) Accessories: Melt pressure sensor and melt temperature sensor Connected load: approx. 60 kW (without tool) Extrusion height: 1100 mm Output capacity: approx. 150 - 180 kg/h for PVC-hard profiles Accessories: Material hopper and connection flange Accessories: Vacuum pump (1.1 kW) incl. material separator Dimensions: 4500 x 1200 x 2100 mm (LxWxH), incl. material hopper Weight: approx. 4000 kg Note: The electrical control cabinet was completely renewed approx. 3 years ago. Since then, the extruder has only been in operation for 216 hours. Condition: The extruder was repainted (light gray, RAL 7035) and checked for function.

Condition: refurbished (used), Year of construction: 2002, functionality: fully functional, screw diameter: 172 mm, rotational speed (max.): 49 rpm, In recent years, over €420,000 have been invested in new components and factory refurbishments! Further technical details can be found in the attached documentation. TECHNICAL DETAILS Screw diameter: 172 mm Screw speed: 4.9 - 49 rpm Max. torque: 17,500 Nm MACHINE DETAILS Main motor: 216 kW Gearbox manufacturer: P.I.V Coperion DSE 180 TECHNICAL DETAILS Power: 7.5 kW Output torque: 280 Nm Degassing chamber: 1 Screw housing bore: Ø 181.5 mm Screw diameter: 180 mm Pressure build-up (axial pressure on the screw shaft): max. 25 bar EQUIPMENT Double screw degassing unit Coperion DSE 180, year 2021 Main gearbox P.I.V, year 2002, factory refurbished in 2021, unused Main gearbox P.I.V, year 1986, factory refurbished in 2016, in operation 2021 - 2023 Main motors Siemens, 212 kW, year 2002, factory refurbished in 2020, unused Main motors Siemens, 212 kW, year 1986, factory refurbished in 2015, in operation 2020 - 2023 Rsdpfx Aeztu Dbolcecf Screw housings, 16 various, new and used Screw shafts, 2 x approx. 4,600 mm Supports Screw tips Thrust discs Note: The electrical and control technology as well as the screw segments are not included in the scope of delivery.

Condition: refurbished (used), Year of construction: 2002, functionality: fully functional, screw diameter: 172 mm, rotational speed (max.): 49 rpm, In recent years, over €420,000 have been invested in new components and factory refurbishments! Further technical details can be found in the attached documentation. TECHNICAL DETAILS Screw diameter: 172 mm Screw speed: 4.9 - 49 rpm Max. torque: 17,500 Nm Rjdpfezl A N Njx Alcecf MACHINE DETAILS Main motor: 216 kW Gearbox manufacturer: P.I.V Coperion DSE 180 TECHNICAL DETAILS Power: 7.5 kW Output torque: 280 Nm Degassing chamber: 1 Screw housing bore: Ø 181.5 mm Screw diameter: 180 mm Pressure build-up (axial pressure on the screw shaft): max. 25 bar EQUIPMENT Double screw degassing unit Coperion DSE 180, year 2021 Main gearbox P.I.V, year 2002, factory refurbished in 2021, unused Main gearbox P.I.V, year 1986, factory refurbished in 2016, in operation 2021 - 2023 Main motors Siemens, 212 kW, year 2002, factory refurbished in 2020, unused Main motors Siemens, 212 kW, year 1986, factory refurbished in 2015, in operation 2020 - 2023 Screw housings, 16 various, new and used Screw shafts, 2 x approx. 4,600 mm Supports Screw tips Thrust discs Note: The electrical and control technology as well as the screw segments are not included in the scope of delivery.

Condition: new, Order picking trolley, shelf trolley, shelf trolley, trolley, transport trolley, shelf with wheels, shelf with boxes including 36 x visible storage boxes Data: H: approx. 216 cm D: approx. 68 cm L: approx. 1.95 linear meters Load: 150 kg per level Stand in blue Crossbeams in orange Storage boxes in blue Natural chipboard New goods BLT / WR 20/60 100% quality at the best price. Shelf consists of: 02 x stands approx. 200 cm x 60 cm, pre-assembled. 14 x crossbeams approx. 185 cm. 07 x support shelf approx. 184.5 x 59.5 cm. Rsdpozwnb Uefx Alcscf 28 x locking pins. 36 x visible storage boxes size. 5 (500x300x200mm) 02 x swivel castor with brake 02 x swivel castor without brake 04 x base plate for swivel castor Levels: 7 storage levels -- AVAILABLE IN MULTIPLE NUMBERS IMMEDIATELY-- Price: €822.00 net €978.18 gross You will receive an invoice with VAT shown. Transport: Delivery is carried out by our partner shipping company on request, the costs for this depend on the postcode. Our recommendation: Let us know what you need... We are happy to help you realize your projects, from planning to ordering to assembly. Are you interested or have any questions? Just contact us by message or call. You can find our telephone number on our company website. ☎️ You can reach us by phone from Monday to Friday, 8:00 a.m. to 3:00 p.m. Alternatively, you can send us a message with your name and number and we will get back to you as soon as possible.

Condition: good (used), Year of construction: 1993, Screw compressor, compressor, compressed air unit, stationary compressed air compressor -Manufacturer: Mahle, screw compressor type MSK G11 -Drive power: 11 kW -Volume flow rate: 1.48 m³/min -Max. pressure: 10 bar Rsdpfezulbtsx Alcscf -Individual components: see photos -Dimensions: 730/690/H1315 mm -Weight: 291 kg

Condition: excellent (used), Year of construction: 2014, operating hours: 26,000 h, functionality: fully functional, overall weight: 1,603 kg, power: 55 kW (74.78 HP), 2014 Ingersoll Rand R55i Compressor 55kw screw compressor Rsdezrxhhepfx Alcecf Full service history Approx 26k hours Very good condition

Year of construction: 1981, condition: used, functionality: fully functional, machine/vehicle number: 8890/81, For sale is a rubber screw extruder from TROESTER. Technical data can be found in the photo. The extruder is in perfect working order and can be put into operation immediately without any problems. A spare spindle is available. Please feel free to contact us if you have any further questions. Transportation must be arranged by the buyer. The location is in 22145 Braak. Rcedezxa Ehspfx Alcsf

Condition: good (used), Screw block for screw compressor, compressor, compressed air unit, stationary compressed air compressor, screw block, compressor, compressor stage Rsdsztx Anopfx Alcocf -Manufacturer: Atlas Copco, screw block compressor stage from compressor type GA 408 Pack -Screw block: Type GA 408 -Final pressure: max. 8 bar -Shaft: Ø 40 x 55 mm -Dimensions: 760/490/H500 mm -Weight: 160 kg

Condition: used, Year of construction: 2009, operating hours: 73,000 h, functionality: fully functional, power: 75 kW (101.97 HP), pressure (min.): 4 bar, pressure (max.): 10 bar, ambient temperature (max.): 46 °C, type of cooling: air, Equipment: documentation/manual, type plate available, Product description: GA75P A 10 APB 400 50 Product number: 00000402 | 8152811462 Date of manufacture: 09/30/2009 Rcedpfxezvqp So Alcjf Model: GA75_08 Product description: GA 75 Brand: Atlas Copco Cooling: Air-cooled (AIR) Electrical approval: IEC (IEC) Energy recovery: Yes (Y) Frequency: 50 Hz (50HZ) Model variant: Workplace (W) Pressure Vessel Approval: CE / ASME (CEASME) Regulation: Elektronikon Graphic (MK5GRAPH) Starter type: Star/Delta (Y/D) (YD) Supply voltage: 400 V (400V) Working pressure: 10 bar (10BAR) Ex works with integrated heat recovery. Current operating hours: approx. 73,000 hours Used machine, sold as is, without warranty.

Condition: used, Year of construction: 2015, operating hours: 49,800 h, functionality: fully functional, power: 75 kW (101.97 HP), pressure (min.): 4 bar, pressure (max.): 9.8 bar, ambient temperature (max.): 46 °C, type of cooling: air, Equipment: documentation/manual, refrigerant dryer, type plate available, Product description: GA75FF A 10 APB 400 50 Product number: 0000090580 | 00000502 | 8153587723 Date of manufacture: 19/03/2015 Model: GA75_12 Product description: GA 75 Brand: Atlas Copco Air receiver mounted / Floor mounted (N) Brand: Atlas Copco (01ATLAS_CO) Commercial power: 75 kW (75KW) Cooling: Air cooled (AIR) Electrical approval: IEC (IEC) Element family: Oil Injected Screw (OIS) Energy recovery: Yes (Y) Frequency: 50 Hz (50HZ) Integrated dryer: Yes (Y) Mk5 expansion module: Yes (Y) Rcjdpfx Aozvqpfelcjf Model variant: Workplace Full Feature (W_FF) Pressure vessel approval: CE / ASME (CEASME) Product company: API (API) Regulation: Elektronikon standard (MK5STD) Starter type: Star/Delta (Y/D) (YD) Supply voltage: 400 V (400V) Working pressure: 10 bar (10BAR) Ex works, the machine is already equipped with the following special equipment: - Integrated refrigerant dryer - Integrated heat recovery - Expansion module Current operating hours: approx. 49,800 hours Used machine, sold as is, without warranty.