Used Grinding Technology for sale (26,639)

Condition: new, functionality: fully functional, power: 55 kW (74.78 HP), Year of construction: 2025, A coal ball mill, also known as a coal grinding mill, is a type of grinder used to grind and blend materials for use in mineral dressing processes, paints, pyrotechnics, ceramics, and selective laser sintering. It is a cylindrical device used to grind or mix coal, ores, chemicals, and other materials mechanically. Here are key features and aspects of a coal ball mill: 1. Cylindrical Structure: - The coal ball mill typically consists of a horizontal cylindrical shell. The inner surface of the shell is usually lined with abrasion-resistant material such as steel or rubber to protect it from wear. 2. Grinding Media: - Grinding media, such as steel balls or ceramic balls, are placed inside the coal ball mill to assist in the grinding process. The rotation of the mill causes the grinding media to cascade and grind the coal particles. 3. Coal Feed and Discharge: - Coal is typically fed into the mill through a central feed pipe, and the ground coal particles are discharged through a discharge end. The size of the coal particles is reduced during the grinding process. 4. Rotational Motion: - The coal ball mill rotates on its horizontal axis. The rotation of the mill is controlled by a motor, and the speed can be adjusted to control the grinding process and particle size. Ndodpfx Aeq Nf U Ejanof 5. Air Sweeping: - Some coal ball mills incorporate an air-swept design. Air is introduced into the mill to facilitate drying and transport of the pulverized coal out of the mill. This design helps in controlling the moisture content of the coal and aids in the grinding process. 6. Drying and Grinding: - In addition to grinding, the coal ball mill may also have a drying function. This is particularly important if the coal being processed contains moisture. The drying and grinding functions are often achieved simultaneously in some coal mills. 7. Control System: - Modern coal ball mills are equipped with control systems to monitor and regulate key parameters such as mill speed, feed rate, and temperature. This allows for optimization of the grinding process and efficient coal processing. 8. Application: - Coal ball mills are commonly used in coal-fired power plants and other industries where coal is used as a fuel. They are part of the coal pulverization system, which grinds coal into fine powder for combustion in boilers. 9. Safety Features: - Safety features, such as monitoring devices and emergency shutdown systems, are often incorporated into coal ball mills to ensure safe operation. 10. Wear Protection: - Wear-resistant materials are used in critical areas of the coal ball mill to withstand the abrasive nature of coal and extend the life of the mill components. Coal ball mills play a crucial role in coal pulverization processes in power plants, contributing to the efficient combustion of coal for electricity generation. The specific design and features of coal ball mills can vary among different manufacturers and applications.

Condition: ready for operation (used), Year of construction: 2008, total height: 2,100 mm, overall weight: 3,000 kg, travel distance X-axis: 220 mm, travel distance Z-axis: 300 mm, controller manufacturer: FANUC, controller model: 31i-Model A, General Data Measurements width 1560 mm Measurements depth 2000 mm Ndedpfxjx D Ed Hs Aanjf Measurements height 2100 mm Machine weight 3000 kg Control Unit Brand FANUC Model 31i-Model A Movement X-Axis Movement 220 mm X-Axis Rapid Traverse 20000 mm/min Z-Axis Movement 300 mm Z-Axis Rapid Traverse 20000 mm/min Additional Equipment Workpiece spindle motor: 2 kW This VOUMARD VM 110 CNC T was manufactured in 2008. A robust internal grinding machine, it features a GE FANUC Series 31i-Model A control, a maximum grinding diameter of 150 mm, and a depth of 80 mm. It supports a longitudinal travel (Z-axis) of 300 mm and a cross travel (X-axis) of 220 mm. Consider the opportunity to buy this VOUMARD VM 110 CNC T internal grinding machine. Contact us for more information. Application Types Grinding

Condition: ready for operation (used), Year of construction: 1986, operating hours: 1,200 h, functionality: fully functional, wheel width: 250 mm, helix angle: 45 °, type of input current: AC, travel distance Y-axis: 250 mm, feed rate X-axis: 12 m/min, stroke length: 400 mm, rotational speed (min.): 1,500 rpm, rotational speed (max.): 2,600 rpm, grinding wheel speed: 2,100 rpm, grinding spindle motor power: 1,500 W, gear diameter: 250 mm, overall weight: 3,730 kg, rotary table diameter: 200 mm, stroke adjustment: 400 mm, tool length: 280 mm, wheel diameter: 250 mm, distance table center to spindle nose: 607 mm, Equipment: sliding door, Grinding Machine STANKO 3A662 The STANKO 3A662 is a semi-automatic tool grinding machine designed for precision sharpening of worm milling cutters and gear cutting tools. Manufactured in the former USSR, this machine is known for its robust mechanical design, reliability, and long service life in industrial environments. The machine is capable of sharpening cutters with a maximum diameter of up to 200 mm and a maximum cutter length of approximately 280 mm. Grinding is performed using abrasive or diamond grinding wheels with diameters from 200 to 250 mm, allowing flexibility for different sharpening operations. The grinding slide provides a maximum stroke of 400 mm, with adjustable feed speeds depending on the spiral pitch of the cutter. The grinding head can be swiveled up to ±45°, enabling the sharpening of cutters with different helix angles. The grinding spindle operates at discrete speeds of 1500, 1900, 2100, and 2600 rpm and is powered by a 1.5 kW motor. The machine operates on three-phase AC power (220/380 V, 50 Hz). With an overall machine weight of approximately 2600 kg (up to 3730 kg including accessories), the rigid cast-iron construction ensures excellent stability and vibration damping during operation. Key Features Nodjx Nprbepfx Aanodf -Semi-automatic grinder for worm milling cutters -Maximum cutter diameter: 200 mm -Grinding wheel diameter: 200–250 mm -Adjustable grinding slide stroke up to 400 mm -Swivel grinding head up to ±45° -Multiple spindle speeds: 1500 / 1900 / 2100 / 2600 rpm -Supports abrasive and diamond grinding wheels -Heavy-duty industrial construction Typical Applications -Sharpening of worm milling cutters -Maintenance and reconditioning of gear cutting tools -Tool rooms and gear manufacturing plants

Condition: used, Year of construction: 2010, Centre distance: 400 mm Nodpfx Aaox Hzz Nsnsdf Wheel speed: 2085 rpm Grinding wheel size: Ø355×38×Ø127 mm Hydraulic tank: 65 l Machine net weight: 2000 kg

Year of construction: 1998, condition: repair required (used), Manufacturer: LOH Ndsdpfxjx Hygks Aanjf Model: SPS 120 SL Year of manufacture: 1998 The device is not working, the program cannot be loaded.

Condition: used, Used carbon steel grinding mill by Pallmann (Germany) model PR8. Mill has bolted rotor with diameter 795 mm and stator with diameter 800 mm. Belt driven by el. motor 100 kW, 1480 rpm, 380 V, 50 hz. Manual adjustment of gap between milling plates. Mill has mounted 5 nozzles for feeding gas or liquid inside the milling chamber. Front door bolted with central feeding inlet through feeding chute. Bottom discharge. Njdpfx Aox Hv Svjansdf

Condition: new, Year of construction: 2025, 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. Ndedpfeq I N H Njx Aansf 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: - *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.

Condition: ready for operation (used), - USED - SURFACE GRINDING MACHINE MAX GRINDING LENGTH: 1015 mm MAX GRINDING WIDTH: 405 mm MAX GRINDING HEIGTH: 350 mm MAGNETIC CHUCK: 400 x 1000 mm GRINDING WHEEL SIZE: 50 x 127 x 350 mm MOTOR POWER: 3,7 kW Nodsh St Dqepfx Aanjdf WEIGHT: 3600 Kg OVERALL DIMENSIONS: 3500 x 1700 x 2000 mm ACCESSORIES: DRESSING TOOL

Condition: ready for operation (used), Year of construction: 1982, operating hours: 120 h, functionality: fully functional, machine/vehicle number: 572, wheel width: 32 mm, helix angle: 45 °, type of input current: three-phase, workpiece weight (max.): 200 kg, stroke length: 160 mm, rotational speed (min.): 50 rpm, rotational speed (max.): 280 rpm, grinding wheel speed: 1,920 rpm, grinding spindle motor power: 1,500 W, grinding wheel bore: 127 mm, grinding wheel diameter: 350 mm, overall weight: 8,000 kg, grinding wheel width: 32 mm, rotary table diameter: 280 mm, stroke adjustment: 160 mm, table diameter: 280 mm, table load: 200 kg, wheel diameter: 350 mm, Gear Grinding Machine Stanko 5M841 / 5A841 The Stanko 5M841 (5A841) is a heavy-duty gear grinding machine designed for precision finishing of cylindrical gears with straight and helical teeth. This machine is widely used in industrial gear production and is known for its robust construction, reliability, and long service life. The machine is capable of grinding gears with helix angles up to ±45° and supports workpieces weighing up to 200 kg. Grinding is performed using disc-type grinding wheels with a diameter of 260–350 mm and a width of 16–32 mm, ensuring high accuracy and consistent surface quality. The grinding wheel spindle operates at 1920 rpm and is driven by a 1.5 kW motor. The reciprocating stroke of the grinding slide is infinitely adjustable from 20 to 160 mm, with a variable stroke rate of 50 to 280 double strokes per minute, allowing precise adaptation to different gear sizes and grinding conditions. The machine is equipped with a rotary work table (Ø 280 mm) and is designed for continuous industrial operation. Power supply is 3-phase, 380 V, 50 Hz. With an overall machine weight of approximately 8000 kg, the 5M841 offers excellent stability during grinding operations. Key Advantages: -Suitable for straight and helical gears Nsdox I Ncdepfx Aansdf -Helix angle up to ±45° -Heavy, rigid cast-iron construction -Infinitely adjustable grinding stroke -Reliable mechanical design, easy maintenance -Ideal for medium and heavy industrial applications Typical Applications: -Precision gear finishing -Gear manufacturing and refurbishment -Mechanical engineering and heavy industry

Condition: used, Year of construction: 2014, Technical details: weight of the machine ca.: 6,5 t 3 identical machines available from OEM production The Junker Jucam 1S 51 is designed for grinding bearings and camshaft bushings (exhaust and intake). Parts are automatically fed and removed via an external loading cell. Nsdpfx Asx Auufjanodf *

Condition: new, Year of construction: 2025, functionality: fully functional, Ball Mill with Air Classifier: The Ultimate Powder Processing Equipment In the world of industrial powder production, precision, efficiency, and flexibility are paramount. Whether producing ultra-fine powders for high-tech applications or coarser materials for everyday products, the combination of a Ball Mill with Air Classifier offers unparalleled performance. This dynamic duo provides a comprehensive solution for industries ranging from chemicals and ceramics to paints, plastics, and pharmaceuticals. This article introduces the ball mill with an air classifier, explores its applications, and highlights the key advantages of this essential powder equipment. General Introduction to Ball Mill with Air Classifier ball mill with air classifier is an advanced grinding and classification system designed for efficient, high-quality powder production. The system consists of two main components: 1. Ball Mill: A cylindrical grinding device filled with grinding media (such as steel balls) that operates by rotating around its axis. The raw material is reduced to smaller particle sizes through impact and friction within the mill. 2. Air Classifier: A sophisticated device that separates particles based on size using airflow. Fine particles are carried away, while coarser particles are returned to the ball mill for further grinding. The combination of these two components creates a closed-loop system that ensures consistent particle size distribution, high efficiency, and minimal waste. Applications of Ball Mill with Air Classifier The ball mill with air classifier is a versatile solution used in a wide range of industries to process various materials. Key applications include: 1. Mineral Processing The system is widely used in the production of minerals such as calcium carbonate, quartz, feldspar, and talc. These finely ground minerals are essential for industries like ceramics, paints, plastics, and rubber. 2. Cement and Construction Materials Cement and other construction materials require precise particle size control for optimal performance. The ball mill with air classifier ensures uniformity and enhances the quality of construction materials. 3. Chemicals and Pharmaceuticals Fine powders play a critical role in the chemical and pharmaceutical industries. From active pharmaceutical ingredients (APIs) to industrial chemicals, this system delivers the consistent quality required for these applications. 4. Paints, Coatings, and Pigments The production of paints and coatings demands ultra-fine powders to achieve smooth finishes and vibrant colors. The ball mill with air classifier produces high-quality powders for superior results. #### 5. Food and Agriculture Food-grade powders such as additives, preservatives, and agricultural products like fertilizers can be efficiently processed using this system, meeting stringent regulatory requirements. Industries That Benefit from Ball Mill with Air Classifier Several industries rely on the capabilities of this system to produce fine powders with specific characteristics: - Ceramics: Produces high-purity powders for tiles, insulators, and advanced ceramics. Ndodpfx Aaevlwkxonef - Rubber and Plastics: Creates fillers and additives for improved durability and performance. - Pharmaceuticals: Ensures consistent particle size for APIs and excipients. -Construction: Delivers materials for concrete, plaster, and other applications.

Condition: used, Technical details: grinding length: 600 mm centre height: 180 mm swing dia.: 360 mm workpiece weight: 80 kg max. dia. of grinding wheel: 500 mm grinding wheel width: 80 mm grinding wheel hole diameter: 203,2 mm Nedpferkr U Eox Aanedf peripheral speed: 45 m/sec There is also a 3200 liter coolant tank including cooling unit + fire extinguishing system. *

Condition: new, fuel type: electric, Year of construction: 2025, 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. 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. Nedpfxjq Igiio Aansdf 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: used, Year of construction: 1983, Technical details: internal diameter: 140 mm total power requirement: 5,5 kW weight of the machine ca.: 1,8 t dimensions of the machine ca.: 2,8 x 2,5 m max. workpiece weight: 15 kg clamping dia. max.: 140 mm clamping length: 250 mm max. bore diameter to be ground: 0,8-90 mm Ndodpfer R Elhox Aanjf min./max. hole to grind: 160 mm centre height: 90 mm workpiece spindle stepless: 112-1000 U/min

Condition: used, Year of construction: 1998, Technical details: grinding diameter: 250 mm grinding length: 2710 mm Ndjdpfx Ajudf E Aeanef max. module: min. module: total power requirement: 45 kW weight of the machine ca.: 15 t space required L x W X H: 7,1 x 4,7 x2,7 m max. wheel dia.: 450 mm Spindle drives Arena Siemens For Worm grinding we have not module, but pitch. Pitch is freely programmable from 0.001 to big value i.e. 500mm *

Condition: used, Year of construction: 2007, Technical details: weight of the machine ca.: 24 t dimensions of the machine ca.: 3900 x 3500 x 2500 m Ndodpfx Aox Aq Etsansf -the machine has no B axis -two grinding spindles with one grinding wheel each - The transport instructions can be found in the documentation (attachment). including Hoffmann KSM filter system Loading list available Operating data v. : Operating time: 21727 h / production time: 11960 h Machine documentation: 1 set of circuit diagrams, electrical plans, operating instructions Accessories: 2 replacement measuring heads Marposs S/500; prism supports Other: Hoffmann KSM filter system Machine condition: according to age, due to processing with emulsion *

Condition: used, Year of construction: 2003, Technical details: grinding length: 1500 mm weight of the machine ca.: 12 t Karstens EMAG H310 Universal Grinding Machine Year of manufacture: 2004 Center distance: 1500 mm Center height: 325 mm Reinforced workpiece spindle, load capacity up to 250 kg Driven C-axis for polygon, thread, and eccentric grinding. Ndjdpfx Ajx Hgileanjf 3 individually mounted grinding spindles. Siemens 840D control system *

Condition: used, Year of construction: 1990, Technical details: Ndedpfx Ajwwlu Ieanjf dimensions of the machine ca.: 3,5 x 2,0 x 2,5 m

Condition: used, Year of construction: 1990, Technical details: adjustment drive of the grinding de: 0,0025 - 0,05 mm total power requirement: 100 kW adjustment of grinding head slide: 150 mm weight of the machine ca.: 17 t grinding spindle drive: 2 x 37 kW grinding width: 30-150 mm peripheral speed: 34 m/sec workpiece speeds: 60 - 300 mm/Sek. grinding height: 70 mm grinding wheel diameter: 750 mm grinding tools: 750 x 75 x 350 mm Ndsdpfovnmnrsx Aanjf grinding wheel turning speeds: 870 U/Min. max. workpiece diameter: 250 mm

Condition: used, Year of construction: 1989, Technical details: grinding diameter: 300 mm grinding length: 540 mm centre height: 175 mm total power requirement: 20 kVA centre distance: 1000 mm Ndsdpfxsr R Elpe Aanjf

Condition: used, Year of construction: 2001, Technical details: max. wheel diameter: 280 mm max. module: 5 min. module: 1 min. number of teeth: 7 toolpiece turning speed range: 4.000...10.000 U/min Njdpfx Aajwh Dlmonjdf tool length: 210 mm CBN *

Condition: used, Year of construction: 2005, Technical details: grinding length: 400 mm Nsdsvap Ryopfx Aanjdf workpiece weight: 250 kg weight of the machine ca.: 4,1 t swing diameter: 250 mm grinding spindle speed: 2387, 2938 U/min

Condition: used, Year of construction: 2005, Technical details: grinding diameter: 20 mm grinding length: 20 mm max. workpiece diameter: 20 mm min. workpiece diameter: 1 mm grinding wheel diam. min/max.: 300-400 Njdpfx Aajvap S Djnodf grinding wheel turining speeds: 2.000-7.000 U/min Weight: 950 kg dimensions: 1200 x 2100 mm

Condition: used, Year of construction: 1996, Technical details: grinding length: 1370 mm grinding width: 560 mm workpiece height: 800 mm total power requirement: 50 kW dimensions of the machine ca.: 9 m Ndodew S Hy Hjpfx Aanjf ABA Z&B 2000, profile grinding machine with swivel dresser Mounting fixtures: magnet, dividing head E-axis dresser B-axis dividing head *

Condition: used, Year of construction: 1988, Technical details: max. wheel diameter: 210 mm total power requirement: 60 kW weight of the machine ca.: 8 t dimensions of the machine ca.: 2,85 x 2,60 x 1,80 m grinding slide feed: 700 mm grinding slide feeds: 1-15.000 m/min max. workpiece weight: 150 kg Njdpfxewrzuto Aansdf centre height: 260 mm grinding wheel diameter: 240 mm