Used Ball Screws for sale (7,068)

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: Feeding size: ≤25 mm Discharge size: 0.074–0.4 mm Nwedpfjq Ngafox Anfof 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. Nwedpfjq I Nw Isx Anfsf

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. Nodpfjq Igiiex Anfswf - Capacity: Ensure that the chosen ball mill has the capacity to handle the required volume of material efficiently. 5. Grinding Media: - Material and Size: The choice of grinding media (balls or cylpebs) and their size depends on the hardness of the ore and the desired final particle size. Different grinding media materials can impact the purity of silica during grinding. 6. Liners and Lifting Aids: - Liners: Consider the type of liners used in the ball mill to protect the shell and optimize the grinding process. - Lifting Aids: Some mills use lifting aids to enhance the grinding action and promote better mixing of the material. 7. Control and Monitoring Systems: - Automation: Utilize control systems to automate the milling process and ensure optimal performance. - Monitoring: Regularly monitor the milling process to adjust parameters as needed for consistent and efficient operation. 8. Safety Measures: - Safety Systems: Implement safety features to protect personnel and equipment during operation. Always follow the manufacturer's recommendations and guidelines for operation and maintenance to ensure safe and efficient use of the ball mill in ore mining and silica grinding applications.

Condition: ready for operation (used), Year of construction: 2004, functionality: fully functional, machine/vehicle number: 64246, overall weight: 428 kg, volume flow: 120 m³/h, operating pressure: 10 bar, usable tank capacity: 300 l, Equipment: refrigerant dryer, No minimum price – guaranteed sale to the highest bidder!\n\nTECHNICAL DETAILS\n\nPower: 22 kW\n\nOperating pressure: 10 bar\n\nTank capacity: 300 l\n\nEQUIPMENT\nDryer\n\nExternal reference: MGO015 Nsdpfxjyznrqs Anfewf

Condition: ready for operation (used), Year of construction: 2020, functionality: fully functional, power: 11 kW (14.96 HP), usable tank capacity: 500 l, Equipment: refrigerant dryer, TECHNICAL DETAILS Power: 11 kW Tank capacity: 500 l EQUIPMENT Dryer Nwodeyzm U Rjpfx Anfsf External reference: MMA008

Condition: refurbished (used), Year of construction: 1986, 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 Nodpfx Anoyztagofewf 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: 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 + Nsdjy E Hzlepfx Anfswf 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: used, Year of construction: 2010, Lot consists of: Nwsdpfoym Tx Sex Anfsf (1) Compressor Technical Details: Motor: 5,500V 108A 900kW, weight 4.6 t /// Compressor: 7,500 m³/h, 6 bar. LxWxH 4.5x3.3x2.2 m, weight 12.5 t

Condition: used, Year of construction: 2023, functionality: fully functional, machine/vehicle number: CAI965725, overall weight: 470 kg, power: 22 kW (29.91 HP), pressure (max.): 7 bar, type of cooling: air, Equipment: compressed air system, compressor, type plate available, The Worthington RLR 30E V G10 is a lubricated compressor, ideal for those seeking a robust and efficient machine. Manufactured by the renowned WORTHINGTON brand, this specific model is well-suited for a range of industrial applications thanks to its capability to operate at 7 bar pressure. Weighing 470 kg, it is designed to deliver stable and continuous performance while remaining relatively compact for its category. This used compressor maintains the high quality and reliability expected from the Worthington name. Nodpfx Aey Eyr Rsnfswf This piece of compression equipment is a viable solution for businesses looking to optimize their performance while managing costs effectively. Its robustness and technical specifications make it a relevant choice for those who prioritize both durability and efficiency.

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. Nedpfoy Hipnjx Anfewf 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: 1994, Screw compressor, compressor, compressed air unit, stationary compressed air compressor -Volume flow rate: 7.3 m³/min -Engine power: 45 kW -Max. pressure: 10 bar -Mileage: 65,305 h Nedpfxsy Dgmlo Anfswf -Weight: 1200 kg

Year of construction: 1969, condition: not inspected (used), functionality: unexamined, pressing force: 16 t, stroke length: 250 mm, table length: 780 mm, table width: 400 mm, machine/vehicle number: 792769/4260, No minimum price – guaranteed sale to the highest bidder! Placing a bid obligates timely pickup between 23/06/2026 and 26/06/2026! TECHNICAL DETAILS Pressing force: 16 t Stroke: 250 mm Shearing area: 400/1 mm² Table dimensions: 780 x 400 mm Hole diameter: approx. 90 mm Flywheel diameter: 1,600 mm MACHINE DETAILS Dimensions & weight Dimensions (L x W x H): 1,600 x 1,600 x 2,000 mm Weight: 700 kg External reference: 15 Nwsdpfsy D Sgwsx Anfsf

Condition: not inspected (used), Year of construction: 1988, functionality: unexamined, machine/vehicle number: 0278, turning diameter over cross slide: 240 mm, turning diameter over bed slide: 400 mm, center height: 120 mm, spindle speed (max.): 2,000 rpm, bar passage: 53 mm, No reserve price – guaranteed sale to the highest bidder! Bidding commits you to timely collection between 23.06.2026 and 26.06.2026! TECHNICAL DETAILS Swing diameter over bed: 400 mm Swing diameter over cross-slide: 240 mm Spindle speed: 45 - 2,000 rpm Spindle bore: 53 mm Centre distance: 1,000 mm Centre height over bed: 200 mm Centre height over cross-slide: 120 mm MACHINE DETAILS Dimensions & Weight Dimensions (L x W x H): 2,400 x 900 x 1,600 mm Machine weight: 1,500 kg EQUIPMENT Tailstock Multifix quick-change toolpost Three-jaw chuck (diameter: 200 mm) + additional three-jaw chuck Nodpfx Ansy D Sdiefjwf Toolholder Turning tools Indexable inserts External reference: 11

Condition: used, Year of construction: 2015, 20 Ft. Shipping container equipped with screw compressor installation with 2 Ingersoll Rand R30I-A10 screw compressors of 30 kW each. Nodpewbf U Nefx Anfswf

Condition: excellent (used), functionality: fully functional, Werner & Pfleiderer Twin-Screw Extruder ZSK 40 – Excellent Condition For sale is a Werner & Pfleiderer (WP) ZSK 40 co-rotating twin-screw extruder. Technical Specifications: • Machine Type: ZSK 40 • Screw Diameter: 40 mm • Screw Length: 7 barrels × 4 D → approx. 28 L/D • Main Drive: 34.5 kW • Motor Speed: 1,800 rpm • Screw Speed: 40 – 400 rpm • Max. Torque per Screw Shaft: 325 Nm • Heating: Electric, connected load approx. 17 kW • Cooling: Water chiller unit • Temperature Control Zones: 6 zones • Barrel Temperature Sensors: 6 • Material Temperature Sensor: 1 • Material Pressure Sensor: 1 Barrel Configuration: • Feed barrel with liquid injection port • Open barrel with insert and 2 liquid injection ports • Multiple closed barrels with ports for liquid injection or measurement points • Degassing barrel General Features: • Co-rotating, closely intermeshing (self-cleaning) screws • High mixing and dispersing performance thanks to modular mixing and kneading elements • Modular system for screws and barrels • Drive section and process section mounted on stable base frame Fields of Application: • Plastics compounding • Masterbatch • Additive and filler incorporation • Laboratory and pilot plant use Nodpfxeycuuyj Anfowf • Formulation and product development Condition & Runtime: According to the operating hour counter, the machine has run for less than one year and is therefore in excellent, nearly as-new condition. The screw elements are also as new. Options & Customizations: Upon request, we can design and install suitable tooling, such as strand dies, and integrate additional peripherals such as screen changers, pelletizing units, dosing technology, or other customer-specific components. The machine can thus be configured and delivered ready-for-operation according to customer requirements.

Condition: good (used), Year of construction: 2009, operating hours: 2,600 h, functionality: fully functional, power: 22 kW (29.91 HP), 🔧 Specifications: Type: Atlas Copco ZT22 Year of manufacture: 2009 Power: 22 kW (30 hp) Njdpfoy E Sndjx Anfowf Operating pressure: 7 bar (101 psi) Capacity: approx. 3.55 m³/min (125 cfm) Speed: 2,940 rpm ⏱️ Operating hours: Total: approx. 12,900 hours Loaded hours: approx. 2,600 hours

Condition: excellent (used), functionality: fully functional, Twin-Screw Extruder / Twin-Screw Kneader COLLIN ZK 25 For sale is a COLLIN ZK 25 twin-screw extruder in a compact laboratory or technical center design. The machine is ideal for trials, compounding, product development, as well as smaller-scale production applications. The extruder features a screw diameter of 2 x 25 mm with a process length of 36 D (6x6 D). Depending on the configuration, screw speeds of 460 / 600 / 800 min⁻¹ are possible. The drive power is 9.7 / 12.5 / 16 kW. The maximum melt pressure is 320 bar, and the maximum melt temperature is 400 °C. The machine is equipped with multiple heating zones. Barrel heating is 1 x 850 W plus 5 x 1200 W, and nozzle/adapter heating is 600 W. Water cooling is available, and temperature control is provided for zones 1 to 6, with water cooling connected via hose. Technical Data: • Manufacturer: COLLIN • Model: ZK 25 • Design: Twin-screw extruder / Twin-screw kneader • Screw diameter: 2 x 25 mm • Screw length: 36 D • Screw speed: 460 / 600 / 800 min⁻¹ • Max. melt pressure: 320 bar • Max. melt temperature: 400 °C • Weight: approx. 550 kg • Dimensions: • Length: approx. 2,100 mm • Width: approx. 600 mm • Height: approx. 1,900 mm • Screw center height: approx. 1,100 mm Electrical Data: • Connection: 3 x 400/230 V, 50/60 Hz • Power supply: L1 / L2 / L3 / N / PE • Fusing: 3 x 50 A • Max. connected load with downstream units: 30 kW Applications: Nwedpfjy A H Umsx Anfsf Ideal for laboratory usage, technical centers, R&D, test series, compounding, and material testing.

Condition: new, turning diameter: 360 mm, center width: 1,000 mm, – Centre distance 1000 mm – Swing over bed 360 mm – Swing over cross slide 215 mm – Swing in gap 540 mm – 45–1800 rpm – 2-speed motor – Spindle bore 51 mm – Longitudinal and cross feed – Digital position display (Sino) on three axes – Brake – Coolant system – Lighting – Safety cover – Fixed steady rest – Travelling steady rest – Three-jaw chuck – Four-jaw chuck – Emergency stop Nwjdpfx Ansy Ev Tksfsf – Documentation – 400V

Condition: new, Year of construction: 2026, 16 Bar Screw Air Compressor for Fiber Laser – RMZY Series (15 kW, VFD, Tank Mounted, Complete System) Nwedey Ecuzspfx Anfsf Description: High-performance screw air compressor designed for fiber laser cutting applications. This is a modern direct-driven (direct coupled) compressor, where the screw air-end is directly coupled with the motor for maximum efficiency and reliability. The unit is equipped with a variable speed drive (VFD), allowing soft start and automatic pressure regulation based on air consumption. This significantly reduces energy usage and mechanical stress. Compared to conventional compressors (e.g. Airhorse), this unit operates with a much lower noise level (≤63 dB). Technical Specifications: Model: RMZY Series (16 Bar Version) Working Pressure: 16 bar (adjustable) Motor Power: 15 kW / 20 HP Air Flow: approx. 1.4 m³/min Drive Type: Direct coupled (no belts) Motor Type: Permanent magnet motor with VFD Starting Method: Soft start (via inverter) Cooling System: Air cooled Noise Level: ≤ 63 dB (significantly quieter than standard compressors) Voltage: 380V / 50Hz / 3 Phase Integrated Equipment (4-in-1 System): Air receiver tank – 400 liters Refrigerated air dryer High-efficiency filtration system Oil-air separation system Electronic controller Dimensions & Weight: Dimensions: 1800 × 850 × 1770 mm Weight: approx. 440 kg Key Advantages: Designed for fiber laser cutting machines Direct drive system = higher efficiency, less maintenance VFD control = energy saving & pressure stability Soft start motor = reduced wear and longer lifespan Very low noise level compared to standard compressors Compact, space-saving design High-quality components (SKF bearings, inverter control, etc.) Maintenance: Oil change: every 4000 hours Air filter: every 2000 hours Oil filter: every 2000 hours Oil separator: every 4000 hours Low annual maintenance cost. Also available in: 20 bar version (for higher pressure applications)

Condition: used, Screw Compressor SCHNEIDER AM B7.5 10 – used – ----- Technical Specifications ----- Max. pressure: 10 bar Nwjdpfx Anoy Dp Swofjf Motor: 7.5 kW Air delivery at 10 bar: 1,000 l/min Weight: 250 kg Operating hours: 6,922 h Load hours: 2,083 h Year of manufacture: 2017

Condition: reconditioned (used), Stock - No.: 2553 1 used, partly overhauled and functionally tested Single-Screw Extruder, equipped with: Material hopper loader Extruder BATTENFELD Typ UNI-EX 1-75-25 B Screw - Ø 75 mm – 25 L/D, Cylinder Air-cooled Extruder-Motor 120 kW – DC ( overhauled ) Screw –speed up to 130 r.p.m. additional Temperature controllers for down-stream equipment Control-Board with melt-pressure sensor / Display. Inspectiuon visist / trial-run shortly by appointment in our workshop Wuppertal Germany possible. We can offer, installed to this extruder: > screen-pack-changer > pelletizing ( strand, hot-face or waterring ) > other equipment Send us your inquiry. Nwodeiyyndopfx Anfsf More extruder and complete pelletizing lines ex our workshop Wuppertal, send us your inquiry or visit us, you´re welcome

Condition: reconditioned (used), Stock - No.: 2553 1 used, partly overhauled and functionally tested Single-Screw Extruder, equipped with: Material hopper loader Extruder BATTENFELD Typ UNI-EX 1-75-25 B Screw - Ø 75 mm – 25 L/D, Cylinder Air-cooled Extruder-Motor 120 kW – DC ( overhauled ) Screw –speed up to 130 r.p.m. additional Temperature controllers for down-stream equipment Control-Board with melt-pressure sensor / Display. Inspectiuon visist / trial-run shortly by appointment in our workshop Wuppertal Germany possible. We can offer, installed to this extruder: > screen-pack-changer Nwodpfx Asiyynwsnfjf > pelletizing ( strand, hot-face or waterring ) > other equipment Send us your inquiry. More extruder and complete pelletizing lines ex our workshop Wuppertal, send us your inquiry or visit us, you´re welcome

Condition: ready for operation (used), Year of construction: 2009, ALMiG Screw Compressor BELT 30-10 | 30 kW | 10 bar | Industrial Quality Nsdpfjy E Uhyex Anfowf For sale is a powerful and reliable screw compressor from ALMiG (Made in Germany) – ideal for industry, production facilities, or larger workshops. Technical data: Manufacturer: ALMiG Kompressoren GmbH Model: BELT 30-10 Year of manufacture: 2009 Motor power: 30 kW Operating pressure: 10 bar Volume flow: 4.12 m³/min Drive: Belt drive

Condition: new, Year of construction: 2026, functionality: fully functional, Drain screw system in any length, diameter, etc, tailored to your needs and requirements of course also available separately. Nwsdpst Iwt Usfx Anfef reactions or questions ? please with full name, company name and phone number.

Condition: good (used), Clamping devices, clamping jaws, deep clamping jaws, clamping supports, clamping tools, step clamps, low clamps, clamping irons, step blocks, clamping screws, T-slot screws, slotted screws, T-slot nuts Nodou Npgwopfx Anfewf -Clamping tool: Clamping screw set with storage box -Type: various designs, see photos -Thread: M20 -Price/Fee: complete -Box dimensions: 380/315/H60 mm Total weight: 11.7 kg