Used Ball Screw for sale (7,504)

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

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: Ljdpfxsq Igiis Afwshk - Material and Size: The choice of grinding media (balls or cylpebs) and their size depends on the hardness of the ore and the desired final particle size. Different grinding media materials can impact the purity of silica during grinding. 6. Liners and Lifting Aids: - Liners: Consider the type of liners used in the ball mill to protect the shell and optimize the grinding process. - Lifting Aids: Some mills use lifting aids to enhance the grinding action and promote better mixing of the material. 7. Control and Monitoring Systems: - Automation: Utilize control systems to automate the milling process and ensure optimal performance. - Monitoring: Regularly monitor the milling process to adjust parameters as needed for consistent and efficient operation. 8. Safety Measures: - Safety Systems: Implement safety features to protect personnel and equipment during operation. Always follow the manufacturer's recommendations and guidelines for operation and maintenance to ensure safe and efficient use of the ball mill in ore mining and silica grinding applications.

Condition: excellent (used), Year of construction: 2022, Wangen Twin NG70 Screw Pump 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 Lhsdpfjzt Ibgex Afwjk

Condition: used, Product supply bunker “Heckmann” Ledezvpm Njpfx Afwohk 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 + 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. 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. Lhedozu Aw Sopfx Afwok

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 -Max. pressure: 12.75 bar -Operating hours: 108252 h -Load hours: 30754 h -Year of manufacture: 2003 Ledpfshabk Dsx Afwshk -Dimensions: 1850/850/H1900 mm -Weight: 592 kg

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

Condition: good (used), Year of construction: 1993, Screw compressor, compressor, compressed air unit, stationary compressed air compressor -Manufacturer: Mahle, screw compressor type MSK G11 Lsdpfxjzulbts Afwohk -Drive power: 11 kW -Volume flow rate: 1.48 m³/min -Max. pressure: 10 bar -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 Full service history Ljdezrxhhjpfx Afwehk Approx 26k hours Very good condition

Condition: used, functionality: not functional, total length: 5,150 mm, total width: 130 mm, total height: 1,800 mm, overall weight: 1,200 kg, Heudra auger pump with conveyor belt. Lsdpfjzuyzbox Afwjhk This system can be used for the disposal of, for example, fruit waste. The substance is fed onto the conveyor belt, which then transports it to a hopper. From the hopper, the substance is pumped away by an auger pump. The machine is entirely made of stainless steel; the conveyor belt is made of plastic. Dimensions (w x l x h): 130 x 515 x 180 cm Dimensions of conveyor belt: 70 x 300 cm Dimensions of hopper: 80 x 60 x 90 cm deep The control panel for the motors is included, but the control system is missing.

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 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) Lhedpfx Aozvqp Sjfwek 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) Lhodpfx Aszvqpfofwjk 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) 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.

Condition: used, Year of construction: 2011, operating hours: 122,000 h, functionality: fully functional, power: 75 kW (101.97 HP), pressure (min.): 4 bar, pressure (max.): 12.5 bar, ambient temperature (max.): 46 °C, noise level: 70 dB, type of cooling: air, Equipment: documentation/manual, refrigerant dryer, type plate available, Product description: GA75VSDFF A 13 APB 400 50 Ledpfxozvqixs Afwjhk Product number: 8152400050 | 0000090680 | 00000614 | 00000602 Date of manufacture: 23/06/2011 Cooling: Air-cooled (AIR) Electrical approval: IEC (IEC) Energy recovery: Yes (Y) Frequency: 50 Hz (50HZ) Integrated dryer: Yes (Y) Mk5 expansion module: Yes (Y) Model variant: Workplace Full Feature (W_FF) Oil-containing frame: Yes (Y) Pressure vessel approval: CE / ASME (CEASME) Regulation: Elektronikon Graphic (MK5GRAPH) Supply voltage: 400 V (400V) Working pressure: 13 bar (13BAR) Equipped with the following options from the factory: - Refrigerant dryer integrated - Heat recovery integrated - Oil collection tray integrated - MK5 Expansion Module Current operating hours: approx. 122,300 hours Used machine, no warranty

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

Year of construction: 1998, operating hours: 64,082 h, condition: good (used), This Cincinnati extruder is currently in storage at Plastima Used Machinery. The machine was manufactured in 1998. Lsdjzu Nnqspfx Afwohk – Brand: Cincinnati – Model: Titan 45R-APC – Year of manufacture: 1998 – Conical twin-screw extruder – Screw diameter: 45 mm – Operating hours: 64,082

Year of construction: 1993, operating hours: 2,466 h, condition: used, Brand: Leistritz AG Model: Micro 27/40 D Screw type: Twin screw Year of manufacture: 1993 Screw diameter: 27 mm L/D ratio: 40 Operating hours: 2,466 Lhjdpfxozu Nk Sj Afwsk

Year of construction: 2018, condition: used, Screw compressor Manufacturer: Renner Type: RS132D Year of manufacture: 2018 Technical data - Main drive motor: direct drive of the compressor stages via a shaft coupling - Oil filter / thermostat unit: regulates the cooling of the compressor oil and filters it - Oil-injected compressor stage: compressed air generation Lsdpfxjzu Aibj Afwshk - Suction regulator: regulates the amount of air drawn in by the compressor - Control cabinet: controls and regulates the compressor system - Suction air filter: filters the air drawn in - Radial fans: generate cooling air for the oil and compressed air coolers - Compressed air outlet: connection point for an external compressed air network - Minimum pressure retaining valve: maintains a minimum system pressure for oil supply, separates network / system pressure - Fine oil separator with oil suction line, sight glasses, and check valve: oil separation via air-oil filter cartridges, return of separated oil from the compressed air - Safety valve: relieves pressure in case of overpressure - Oil filler plug with oil level monitoring: electronic oil level monitoring - Oil drain: drains the oil reservoir - Compressed air / oil combined cooler: cools the compressed air and the compressor oil - Control system: RENNERtronic - Integrated standby heater Compressor - Counterclockwise rotation (without gearbox) / Clockwise rotation (with gearbox) Suction regulator The suction regulator is mounted directly on the screw compressor. It regulates the volume flow of air drawn in by the screw compressor through the suction filter. Operating principle of the suction regulator: The suction regulator has only one main valve. This valve operates as a stepless control valve as well as a tightly closing shut-off valve. In full-load operation, the suction cross-section is fully open with minimal pressure drop. In part-load operation, the suction cross-section is automatically regulated by limiting the stroke and adjusted to the actual air requirement. When the system is stopped, this valve quickly and automatically closes the entire suction cross-section completely. The multiple functions of the regulator are initiated by only one control unit. Minimum pressure retaining valve The minimum pressure valve is located at the compressed air inlet of the air aftercooler. It performs two functions: 1) As a pressure retaining valve, it prevents the pressure from dropping below a minimum overpressure of 4.5 bar when there is no back pressure. This pressure is necessary to ensure the oil supply to the compressor. At the same time, this minimum overpressure is required for good oil separation. 2) As a check valve, it prevents the backflow of compressed air from the compressed air network or the pressure vessel into the compressor system. This allows the separator vessel to be completely relieved when the system is shut down. The valve operates automatically. Adjustment of the minimum pressure valve may only be carried out by personnel authorized by the manufacturer! Suction air filter The suction air filter is installed in the housing and connected to the suction regulator via a ventilation hose. The micro-dry filter with a fineness of 10 μm is used to filter the suction air. The filter can be cleaned several times before it needs to be replaced. Use only original replacement filters! Pressure transmitter The pressure transmitter, used in all systems with electronic control (RENNERtronic / -Plus), is connected to the compressed air outlet (network press

Condition: used, Year of construction: 2014, power capacity 3 kW feed pressure 7 bar liter capacity / l weight 286 kg Chicago Pneumatic CPVR15 CE screw compressor - Year of manufacture 2014 The CPVR15 CE impresses with its robust design, long service life and low operating costs. Whether in workshops, workshops or industrial applications - this compressor reliably supplies you with the compressed air you need. Drive power: 3 kW Delivery pressure: 7 bar Air output: up to 58 CFM (approx. 1,640 l/min) at 7 bar Lhedpfoh A Sfdjx Afwek Weight: 286 kg Dimensions: approx. 965 mm (L) × 620 mm (W) × 1,040 mm (H) Operating noise: approx. 50-58 dB(A) Voltage/frequency: 415 V / 50 Hz Application: Workshops, craft businesses, industrial applications with medium compressed air requirements Included in delivery: 1x compressor - Chicago Pneumatic CPVR15 CE 1x refrigeration dryer - OMI ESD 108 - 0.70kW 1x Beko Öwamat 2 - oil-water separator Technical data was taken from publicly available sources

Condition: used, Year of construction: 2009, Speed / U/min. intake pressure / bar weight / kg total power requirement / kW Complete compressed air system - screw compressor + refrigeration dryer (Drypoint RA 500) + 2x compressed air boilers (3,000 litres each) Make: COMPAIR Motor power: 75 kW Type: LL80 7.5A Year of manufacture: 2009 Serial no.: CD1000057200 Control system: Delcos 3100 Refrigeration dryer: Drypoint RA 500 Compressed air tank: 2x galvanised tanks, 3,000 l each - total volume 6,000 l Load hours: 79,495 This compressed air system from COMPAIR offers a powerful and efficient solution for industrial applications with high air requirements. Lsdpfxeud Iwze Afwjhk LL80 7.5A screw compressor: The compressor with a motor output of 75 kW is robust, low-maintenance and designed for continuous use. Its modern technology ensures a stable and consistent compressed air supply even under high loads. Ideal for production facilities, workshops or other industrial areas. Delcos 3100 control unit: This intelligent control unit makes it easy to operate, monitor and adjust the compressor. It ensures optimum operation, energy efficiency and protection of the system against damage. Drypoint RA 500 refrigeration dryer: An integrated refrigeration dryer is essential for removing moisture from the air. This protects downstream machines and tools from corrosion and extends the service life of the entire system. Compressed air tank - 2x galvanised tanks with a volume of 3,000 l each: The two robust, galvanised tanks offer a large storage capacity of 6,000 litres in total. This keeps the pressure stable and maximises performance.

Condition: good (used), Year of construction: 2016, functionality: fully functional, MFP Auger Separator Stock No.: 503712 Machine Type/ Equipment Type: Separating roller with drive Manufacturer: MFP Type: Auger separator Lhsdpfx Aszt Iu Hefwsk Year of Manufacture: 2016 Height-adjustable separating roller Discharge height: min. 0.31 m Discharge height: max. 0.84 m W x L x H 0.60 m x 0.85 m x 1.08 m

Year of construction: 1980, condition: reconditioned (used), machine/vehicle number: 2489, stock-No.:2489 1 used, functionally tested Single-Screw-Extruder, ready for trial-run: Manufacturer: KUHNE Germany Type: ES 60-24 Ledod Sg Hcjpfx Afwshk Screw- Ø 60 mm – 24 LD Main-feed zone can be chilled( cooling unit not included ) Screw speed up to 100 r.p.m. Extruder Motor: 25,5 kW – 63 A – DC 4x Heating zones with air-cooling 3x additional heating zones for down-stream equipment as: die-head, tools, screen-pack-changer, etc. control board Relating down-stream-equipment as screen-pack-changer, pelletizing etc. against additional price, details upon request. More extruders ex stock available, visit us or ask for our most recent Machine-Stock-List. You´re welcome.

Year of construction: 2004, condition: reconditioned (used), Stock-No. 2054 1used, partly overhauled and functionally tested Single-screw extruder AlphaTec A-ES 75.28 Screw –Ø 75 mm- 28 LD main drive 75 kW- AC Screw speed up to 80 r.p.m. - adjustable 1x venting port with vacuum-pump Ledpfjiyya Aox Afwshk cylinder barrel heating apporx. 30 kW installed 3x additional temperature controller for down-stream equipment Control board overhauled You´re welcome for inspection visit in our stock Wuppertal-Germany More extruders available

Year of construction: 2004, condition: reconditioned (used), Stock-No. 2054 1used, partly overhauled and functionally tested Single-screw extruder AlphaTec A-ES 75.28 Ljdsiyx Uzepfx Afwohk Screw –Ø 75 mm- 28 LD main drive 75 kW- AC Screw speed up to 80 r.p.m. - adjustable 1x venting port with vacuum-pump cylinder barrel heating apporx. 30 kW installed 3x addituional temperature controller for down-stream equipment Control board overhauled You´re welcome for inspection visit in our stock Wuppertal-Germany More extruders available

Year of construction: 2003, condition: refurbished (used), Stock-No. 2086 twin-screw compounding extruder BERSTORFF type ZE 60 A - UT screw size 2 x 64 mm - 32 LD Capacity 800 kg/h depening material specifications Drive from 197 kW up to 350 kW possible , optional by appoinment L/D 34 - 40 LD , by appointment > due to your material formula needs drive up to 230 kW - 350 kw optional against add.price Lsdpfxjc Rukws Afwohk 1x venting port new control board optional - equipment against additional price: screen-pack-changer pelletizing material feeding , loss-in-weight gravimetrci blenders pellet-classifier and more Please inform which equipment you need for a detailled quotation, thank you. All ex stock available