Used Ball Screw for sale (7,270)

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 Nedpoq Ngafefx Ahvskw 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. Nsdpfx Ahoq I Nw Isvokw

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: Nkodpfxsq Igiis Ahvsw - Mill Diameter and Length: The size of the ball mill should be selected based on the amount of material to be ground and the desired throughput. - Capacity: Ensure that the chosen ball mill has the capacity to handle the required volume of material efficiently. 5. Grinding Media: - Material and Size: The choice of grinding media (balls or cylpebs) and their size depends on the hardness of the ore and the desired final particle size. Different grinding media materials can impact the purity of silica during grinding. 6. Liners and Lifting Aids: - Liners: Consider the type of liners used in the ball mill to protect the shell and optimize the grinding process. - 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: good (used), Screw cooling compressor ABB SVA 24, two units in complete YOM 1991 Made in Germany Nksdpfx Aheyb Sdijvsw Good working condition

Condition: new, Year of construction: 2026, functionality: fully functional, machine/vehicle number: SCC, warranty duration: 12 months, volume flow: 45 m³/h, screw conveyor length: 6,000 mm, type of input current: three-phase, screw diameter: 323 mm, input voltage: 400 V, rotational speed (max.): 240 rpm, rotational speed (min.): 140 rpm, NEW Cement Screw Conveyor – SCC Type | Made to Order | ISO 9001 Certified | Exported to 40+ Countries Custom-manufactured to order. Send us your diameter, length, and installation angle — receive a full technical quote within 24 hours. INOTEK SCREW manufactures heavy-duty SCC-type cement screw conveyors for bulk material handling in cement plants, dry mortar facilities, fly ash transfer, lime and gypsum processing lines. Based in Ankara, Turkey, we have supplied equipment to over 40 countries with full export documentation and ISO 9001:2015 certified production. KEY SPECIFICATIONS: - Diameter: Ø114 / Ø168 / Ø219 / Ø273 / Ø323mm – any size made to order - Drive speed: 140 / 200 / 240 RPM - Motor power: 1.5 kW to 22 kW (IE2 efficiency class) - Material: Carbon steel S235/S355 standard | AISI 304/316 stainless steel on request - Screw flights: cold-rolled, 3–10mm thickness - Orientation: horizontal, inclined (up to 45°), or vertical - Custom inlet/outlet: conical, square, or rectangular - Surface treatment: primer + epoxy topcoat standard | hot-dip galvanizing on request -CAPACITY BY DIAMETER (approximate, horizontal, cement powder): - Ø114 mm → 4–8 m³/h - Ø168 mm → 10–18 m³/h Nkjdpoyq H Iujfx Ahvjw - Ø219 mm → 20–30 m³/h - Ø273 mm → 30–40 m³/h - Ø323 mm → 40–55 m³/h All values depend on RPM, inclination angle, and material bulk density. Custom diameters and capacities available on request. APPLICATIONS: Cement | Fly ash | Limestone powder | Dry mortar | Gypsum | Clay | Silo filling & emptying | Batching plants | Asphalt facilities WHY INOTEK: ✔ CE marked — compliant with EU Machinery Directive 2006/42/EC ✔ ISO 9001:2015 certified factory ✔ Exported to 40+ countries – full documentation (packing list, EUR.1, certificate of origin, test reports) ✔ References: Coca-Cola, Unilever, Anadolu Efes, major construction groups ✔ 20–35% more competitive than equivalent European pricing ✔ Production lead time: 3–5 weeks from drawing approval PRICING REFERENCE: Entry-level unit Ø114mm — from €1,500 EXW Ankara. All diameters, lengths, and configurations quoted within 24 hours. REQUEST A FREE QUOTE WITHIN 24 HOURS: Send us your required diameter, length, material type, and installation angle – we return a full technical offer and delivery schedule. Distributor and OEM partnerships welcome. Contact us to discuss exclusive regional agreements.

Condition: new, Year of construction: 2023, operating hours: 300 h, functionality: fully functional, turning length: 2,880 mm, spindle motor power: 90,000 W, type of input current: three-phase, For sale: new compounding line with a real capacity of 300kg/h. The line includes hot and cold mixers, a twin-screw extruder (2 twin screw extruder) with two feeding points—at the start of the screw and from the side—suitable for high loading of dry substances. Features include a vacuum pump, hydraulic screen changer, vibro table, and storage silos for materials. Nkedex Uqyqspfx Ahvsw The line can process powdered materials, hard materials, various grindings, mixtures, and granules of PP, PE, and PVC. It can produce high-quality masterbatch, fillers, and other products. Up to 85% dry matter content. The machine is practically brand new, only tested for a few hours. Control with frequency inverters. A set of spare parts, spare heaters, and spare screw segments is included. Possibility to test with your own materials.

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

Condition: like new (used), Year of construction: 2020, operating hours: 143 h, functionality: fully functional, Screw compressor Kaeser AIRCENTER SK22 Nsdjyxmfqopfx Ahvekw Integrated dryer and 350-liter air receiver 11 kW 8 bar 2 m3/min. Year of manufacture: 2020 Operating hours: 143

Condition: used, Ferromatik mixing screw Ø 70 mm for IU2495 and IU2650- removed from Ferromatik K-Tec 450 - removed from IU2495 - removed from running machine - fully functional- inlet: 69.80 mm - center: 69.80 mm - outlet: 69.80 mm Nkjdpfjyxg Tbsx Ahvew - total length: 225.80 cmmanufacturer: Ferromatik Milacron

Condition: ready for operation (used), Conveyor Screw, Screw Discharge, Stainless Steel Conveyor Screw, Used Machine Manufacturer: Triapex Nkedpfsw H Dzfex Ahvew Inlet and outlet spout size: 150 x 300 mm Tube diameter: 100 mm Screw length: 3554 mm Without electric motor, shaft end diameter: 25 mm

Condition: like new (used), Year of construction: 2014, operating hours: 23,346 h, functionality: fully functional, Kaeser ASD50T screw compressor Integrated dryer. Nkjdoyxcxmspfx Ahvow 25 kW 8.5 bar 4.58 m³/min

Condition: excellent (used), functionality: fully functional, Starlinger Extruder - Screw diameter: 65 mm - Refurbished - Degassing zones - Filter / screen changer - Strand die Data sheet, see photos. Nkjdpfx Ashgq Ahshvsw Optionally with water bath & strand pelletizer, etc. We are available for any further questions. Commissioning and testing available upon request. In stock

Condition: excellent (used), functionality: fully functional, Twin-Screw Extruder Werner & Pfleiderer / Coperion ZSK 83 For sale is a ZSK 83 twin-screw extruder (co-rotating) from Werner & Pfleiderer / Coperion. The machine is in very good condition and has been regularly maintained. Technical details: • Model: ZSK 83 Nedpox Dkmgofx Ahvskw • Screw system: Co-rotating twin-screw • Motor power: 46 kW • Barrel: Water-cooled • Degassing zone: available • Dosing unit: included (as seen in the photos) • Spare screw elements: available • Control system / control cabinet: in good condition, fully functional General information: This line is ideally suited for compounding, masterbatch, recycling, polymer, and filler applications. The extruder has been overhauled as needed and technically inspected. Inspection and test run on site possible by arrangement. Worldwide transport possible. If interested, please get in touch—further photos, datasheets, and videos are available.

Condition: used, overall weight: 398 kg, total length: 500 mm, total width: 500 mm, total height: 820 mm, Clamping cube with Roemheld hydr. Screw in module Mounting holes 4 Pitch fixing holes 320 mm Pitch Roemheld module 170 mm Top to first module 120 mm Length 500 mm Width 500 mm Height 820 mm Weight 398 kg If you have any questions concerning the machine, please do not hesitate to contact us by phone or e-mail. Nsdpfxsywzame Ahvokw Feel free to view our other advertisements for a complete overview of our stock.

Condition: good (used), Screws, hexagon head screws, cylinder head screws with hexagon socket, Allen screw -Hexagon head screws: M20, DIN 931 -Weight: 514 kg -Sizes/number: M20 x 45 to M20 x 100, see photo parts list -Quality: 8.8 black or galvanized -Manufacturer: various -Price: complete -Total weight: 534 kg M20 x 40 mm, galvanized, 4 packs of 25 pieces = 100 pieces M20 x 50 mm, galvanized, 12 packs of 25 pieces = 300 pieces M20 x 60 mm, galvanized, 20 packs of 25 pieces = 500 pieces M20 x 65 mm, galvanized, 20 packs of 25 pieces = 500 pieces M20 x 100 mm, galvanized, 19 packs of 25 pieces = 475 pieces Nksdpjiqpyqofx Ahvsw M20 x 45 mm, black, 1 pack of 25 pieces = 25 pieces M20 x 50 mm, black, 8 packs of 25 pieces = 200 pieces M20 x 90 mm, black, 5 packs of 25 pieces = 125 pieces

Year of construction: 1991, condition: used, machine/vehicle number: 149125/95, max. operating pressure: 8 bar Delivery rate: 2.51 m³/min Drive motor: 380/660 V, 15 kW Nsdpfx Ajby Hpbehvskw Space requirement: 820 x 950 x 1200 mm high Weight: 360 kg Air vessel, make KAESER, year of construction 1999 Capacity: 1000 l max. operating pressure: 11 bar Space requirement: 800 Ø x 2300 mm high

Year of construction: 1990, condition: used, machine/vehicle number: 226794, Air Output: (8 bar) 2,05 m³/min Nedpfx Ae E E Awjhvskw Pressure: 8 bar Motor: 15 kW

Condition: ready for operation (used), Pitch: 10 mm Thread length: 1460 mm Nkjdpfx Asd Atq Rohvsw thread Ø: 30 mm Spindle nut mounting: 60 mm Ø

Condition: ready for operation (used), Pitch: 20 mm Nsdod Atq Ejpfx Ahvskw Thread length: 2330 mm Thread Ø: 38 mm Nut length: 130 mm

Condition: ready for operation (used), Pitch: 10 mm Nodpfjd Atq Tex Ahvekw Thread length: 1165 mm thread Ø: 30 mm spindle nut mounting: 28 x 49 mm Ø Total length of spindle: 2170 mm

Condition: excellent (used), 5 pieces of hard base with screwed-on aluminum jaws, suitable for a FORKARDT chuck, 250 mm Ø 1 set of inwardly stepped jaws: 190 - 250 mm 1 set of inwardly stepped jaws: 120 - 200 mm Nedpfsfxu Tyjx Ahvokw 1 set of jaws stepped outwards: 220 mm 1 set of jaws stepped outwards: 100 - 250 mm 1 set of jaws stepped outwards: 120 - 300 mm 1 set of outwardly stepped jaws made of St: 120 - 260 mm 1 set of outwardly stepped jaws made of St: 140 - 240 mm

Condition: used, In our opinion, the machine is in good used condition and can be inspected under power by appointment. Nkjdpfxevyutgs Ahvow Accessories, tools and clamping devices shown are only included in the scope of delivery if this is noted in the additional information. Subject to changes and errors in the technical data and information as well as prior sale!

Condition: ready for operation (used), Year of construction: 2016, functionality: fully functional, overall weight: 1,654 kg, Equipment: refrigerant dryer, type plate available, Atlas Copco air compressor, model: GA90VSDFF, oil-injected screw compressor with frequency converter (VSD), with dryer, pressure: 12.7 bar, air flow: 293.1 L/s, motor: 3508 rpm, year: 2016, weight: 1654 kg. Shipping throughout Europe not included, VAT not included. Reference: 1167 Njdpfsyxpz Usx Ahvskw

Year of construction: 2013, condition: good (used), Brand: Krauss Maffei Technologies GmbH Nksdpfx Ahoyxn U Tjvew Model: KME 38-30 Screw type: Single screw Year of construction: 2013 Screw diameter: 38 mm L/D ratio: 30

Condition: new, Year of construction: 2026, A superfine ball mill is a type of milling machine that is used to grind materials into very fine particles. This type of ball mill has some distinctive features that make it especially suitable for processing even the hardest materials with low contamination and minimal wear. It is commonly used in various industries, including pharmaceuticals, minerals, pigments, and chemicals, for producing micro powder or nanoparticles. Here are some key features and considerations for a superfine ball mill for micro powder: Nkedpfoq Nf Uwjx Ahvsw 1. High Grinding Efficiency: Superfine ball mills are designed to achieve high grinding efficiency by utilizing grinding media with a relatively small size, leading to a large surface area for grinding. 2. Precision Control: These mills often come with advanced control systems to regulate parameters like rotation speed, temperature, and grinding time, allowing precise control over the particle size distribution. 3. Specialized Design: The mill is typically designed with features to minimize contamination, such as using materials resistant to wear and corrosion. Some mills also have cooling systems to prevent overheating during the milling process. 4. Variety of Materials: Superfine ball mills can handle a wide range of materials, including both brittle and fibrous substances. They are often used for milling hard materials that require fine grinding, such as ceramics, minerals, or pigments. 5. Size Reduction to Micro or Nano Level: The primary goal of a superfine ball mill is to reduce particle size to the micro or even nano level. This is achieved by the intense grinding action that occurs within the mill. 6. Classifier System: Some superfine ball mills incorporate a classifier system to control the particle size distribution more precisely. This allows for the separation of fine particles from coarser ones during the milling process. 7. Batch or Continuous Operation: Depending on the specific design, these mills can operate in either batch or continuous mode, offering flexibility based on the production requirements. 8. Safety Measures: Safety features may be included, such as monitoring and control systems to prevent overloading, overheating, or other potential issues during operation. When selecting a superfine ball mill for micro powder production, it's important to consider the specific requirements of your application, the characteristics of the materials you're working with, and the desired final particle size distribution. Always follow the manufacturer's guidelines for operation, maintenance, and safety to ensure optimal performance and longevity of the equipment.