Used Bohrer Grinding for sale (4,198)

Condition: used, Number of working hours 1717 h Rbodpfx Asywnuqeb Isw

Condition: new, functionality: fully functional, power: 55 kW (74.78 HP), Year of construction: 2026, Ball Mill for Powder and Mining Plant: Structure, Function, and Technical Details A ball mill is a key grinding machine widely used in mining, metallurgy, cement, chemical, and powder-making industries. It is designed to grind various 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, preparing materials for flotation, magnetic separation, or leaching processes. In powder production, they ensure uniform particle size and high surface area for further processing. Working Principle The ball mill operates on a simple yet effective principle: as the cylindrical shell rotates around its horizontal axis, the grinding media (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 causes both impact and abrasion, reducing the material to the desired fineness. The grinding process can be performed in dry or wet conditions depending on the application. Structural Composition A standard ball mill consists of several main components: Feeding part: Equipped with a feeder or screw conveyor to ensure uniform material input. Discharging part: Can be grate type or overflow type, depending on the discharge method. Rjdpfxjq Nf U Ej Ab Isbw 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 balls or ceramic balls of different diameters for efficient grinding. The internal liner design and ball size distribution are optimized to achieve maximum grinding efficiency and minimal energy consumption. Technical Details Typical Specifications: Feeding size: ≤25 mm Discharge size: 0.074–0.4 mm Capacity: 0.65–615 t/h (depending on model and material hardness) Cylinder speed: 18–38 r/min Power: 18.5–4500 kW Liner material: High manganese steel, rubber, or alloy steel Grinding media load: 30–45% of cylinder volume Operating Modes: Dry grinding: Suitable 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 Plants 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. Common Applications: Gold, copper, iron, and zinc ore grinding Cement clinker and slag processing Silicate and ceramic powder production Coal and mineral powder preparation Conclusion A ball mill is an indispensable piece of equipment in both powder production and mining beneficiation plants. Its ability to grind materials into fine, uniform particles makes it vital for downstream processes such as flotation, sintering, and chemical reactions.

Condition: used, • Throughput capacity: up to approx. 50 liters/minute • Tank volume: 0.3 m2 • Tank material: polyethylene (UV-stabilized) Rbedpfx Absywizxj Ijw • Sedimentation granulate Sediflock: powder form (according to manufacturer specifications) • Sludge bag approx.: 70 kg • Compressed air: 6 bar • Power connection (depending on pumps): 2 kW, 400 V/50Hz – 3NPE • Dosing of sedimentation granulate: automatic • Serial number – B085.23 • Further information can be found below • Price on request

Condition: excellent (used), functionality: fully functional, KELLENBERGER PRECISION UNIVERSAL CYLINDRICAL GRINDING MACHINE MODEL: 1000 U YEAR OF MANUFACTURE: 2000 PARTIAL OVERHAUL: 2026 Centre height: 175 mm Grinding length: 1000 mm Equipment: - Standard accessories Rjdpfxjyf E Sue Ab Isbw - Standard workpiece headstock MK5 with adapter flange DIN 55027, size 5 - Splash guard hood for the above - Tailstock with fine adjustment, MK4 - Internal grinding attachment with protective cover for grinding spindle D:80 mm for belt-driven spindles - FISCHER internal grinding spindle type HJN 842, incl. grinding mandrels (4 pieces, choice) - HJNZ 42 collet chuck - Oil mist lubricator for HJN spindles - STREULI magnetic paper band filter system, type: SPB 2 - Coolant supply through the workpiece spindle - HEIDENHAIN digital length measuring system on X and Z axes - Sine bar on the workpiece headstock incl. alignment arbor MK5 - Permanent magnetic chuck, D:200 mm - Three-jaw chuck, D:160 mm - Four-jaw chuck, D:160 mm - Collet attachment for Schaublin collets B32 - Set of B32 collets, D: 1.0–30.0 mm, increment 0.5 mm (59 pieces) - Dial indicator stop for table swivel with indicator 0.01 mm - Table fixed stop - Dressing stop for internal grinding - LED machine lamp - Various grinding wheel flanges, left (2 pieces) - Pneumatic table load relief - Swiveling dressing device for external, face, or internal grinding operations - Set of vibration damping pads - New three-color paint finish (light grey RAL 7035 / blue RAL 5012 / dark grey RAL 7016) - New acceptance protocol according to KELLENBERGER standard - Documentation - CE conformity The machine is currently being overhauled, sample photos shown!

Condition: ready for operation (used), approx. 120 pieces = 480 running meters of safety conductor rails Rbedpfx Asd Hurbeb Ijw Number of conductors / number of poles: 5 in standard lengths of: 4 m Busbar cross section: 10 mm² for mains voltage up to: 500 V Load capacity at 100% ED: 60 A Weight per meter: 2.1 kg

Condition: ready for operation (used), Grinding wheel Ø: approx. 175/190 mm Grinding wheel width: 30 mm Redpfx Absfnbgys Ijbw Grinding wheel speed: 2800 rpm electr. Connection: 380 V, 0.6 kW Space requirement: 670 x 400 x 1140 mm Weight: approx. 120 kg

Year of construction: 1975, condition: ready for operation (used), machine/vehicle number: M-27 738, Center hight: 165 mm Center width/grinding length: 1000/1075 mm Redod Rv Rbepfx Ab Iobw Gr. Grinding diameter: 250 mm Table swivel: +/- 8° Gr. Table longitudinal movement: 1210 mm Workpiece spindle stick swivel: 0 - 90° Spindle bore/cone: 38 mm/MK 5 Grinding spindle stick easily swivelling Hydr. Quick adjustment approx.: 50 mm Grinding wheel dimensions: 400 x 50 x 127 mm 2 grinding wheel speeds due to V-belt step disc Drive power: 3 kW Space requirement: 2900 x 2200 x 1750 mm Weight: approx. 3.5 t

Year of construction: 1962, condition: good (used), machine/vehicle number: 3791, max. grinding length: 620 mm max. grinding width: 250 mm table plate chuck: 200 x 620 mm grinding plate measures: 200 x 220 x 51 mm electrical connection: 380 V, 1/1,8 kW Rodpsd Ihiiofx Ab Isbw space needed: 1650 x 1450 x 1800 mm weight: 1350 kg

Year of construction: 1962, condition: used, machine/vehicle number: 35701, height of centers: Werkstueck- bzw. Schleif-Ø 500 mm distance between centers: ca. 2000 mm max. working piece weight: 1200 kg grinding wheel measures: 600 Ø x 300 mm grinding wheel rotations: 965 Upm Rbodpfjz Hctex Ab Ijw electrical connection: 380 V, ca. 15 kW space needed: 2300 x 9000 x 2000 mm weight: 13000 kg

Condition: used, machine/vehicle number: 20308, gr. swing Ø: 600 mm Centre distance: 2200 mm gr. grinding-Ø with grinding wheel 800 mm Ø: 125 mm grinding wheel Ø when using the setting sticks: 20 - 125 mm grinding wheel dimensions: 800 x 28 - 800 x 42 x 305 mm 2 grinding wheel speeds Rbedpfx Abocik N Sj Ijw 3 workpiece speeds: 32, 55 and 96 rpm table shift by hand coarse/fine: 10/2 mm automatic. Feed speed of grinding wheel: 0,005 - 0,025 mm 6 table speeds: 120 - 1540 mm/min Grinding headstock drive: 8 kW electrical connection: 380/400 V, 10 kW space requirement : 6100 x 2300 x 1600 mm weight : 7 t

Year of construction: 1975, condition: used, machine/vehicle number: 27749, height of centers: Schleif-Ø 250 mm distance between centers: Schleiflaenge 575 mm Rbodpfx Absz Hc Io Iew grinding wheel measures: 500 x 60 x 127 mm electrical connection: 380 V, ca. 9 kVA kW space needed: 2650 x 2600 x 2240 mm weight: 3400 kg

Condition: ready for operation (used), machine/vehicle number: 27246, Dividing head carriage movement: 100 mm Table longitudinal movement: 260 mm Rodpfxed Ivfyo Ab Iobw Table height adjustment: 50 mm Swiveling the table slide by: 360 ° Swiveling of the vertical slide guide: 360 ° 2 spindle speeds by pole-changing motor: 3750/7500 rpm Drive motor, pole-changing: 0.5 / 0.6 kW Space required: 980 x 600 x 1500 mm

Year of construction: 1983, condition: good (used), machine/vehicle number: 2103, max. bore of chuck: 1 - 20 Ø mm max. boring diameter: 20 mm mm cap washer diameter: 100 mm cap washer rotation: ca. 4500 Upm engine: 380 V, 0,25 kW Rbsdpfx Abjdnfz No Iew space needed: 600 x 450 x 1380 mm

Condition: used, abrasive belt measures: 50 x 100 Ø mm Rjdpfsb Tcv Hox Ab Isbw engine: 380 V, 0,7 kW space needed: 650 x 550 x 1050 mm

Year of construction: 1978, condition: used, machine/vehicle number: 068242, Cup wheel Ø: 175 x 60 x 51 or 125 x 40 x 51 mm 2 grinding wheel speeds: 1450/2900 rpm table size: AT-F 205 x 345 mm space requirement: 1070 x 650 x 1180 mm Rbsdpfxjbx Elio Ab Isw Drive motor: 500 V (at 380 V 1/3 power loss), corresponding to 0.6 kW

Condition: ready for operation (used), Year of construction: 1972, Disc diameter: 600 mm Grinding table size: 670 x 280 mm Grinding table swivels up/down: 30/45° Grinding disc drive motor: 1.5 kW Space required: 870 x 650 x 1280 mm including extraction SZ 1, 380 V, 1.5 kW Rbedpfx Asvkdqisb Iow

Condition: excellent (used), Cup wheel diameter: 180 mm Cup wheel speed: 2,900 rpm Electrical connection: 380 V, 2,900 rpm, 0.9 kW Oscillating table dimensions: 200 x 350 mm Oscillating table, tiltable Rbodpfx Aow Tk Nueb Iew Oscillating table swivels +/- 20° Required space: 750 x 350 x 1,270 mm

Condition: excellent (used), Year of construction: 1980, Grinding length: 600 mm Grinding width: 200 mm Clamping area of table: 600 x 200 mm Maximum distance between table and grinding spindle center: 500 mm Grinding wheel dimensions: 250 x 25 x 51 mm Table longitudinal feed hydraulically steplessly adjustable: 1 - 24 m/min Table cross feed per handwheel revolution: 4 mm Grinding spindle speed steplessly adjustable via DC drive: 800 - 4200 rpm Rsdpfxjx Ir I As Ab Ijbw DC drive: 1.5 - 5.0 kW Net weight with control cabinet approx.: 2000 kg Space requirement approx.: 3100 x 1700 x 1900 mm

Year of construction: 1987, condition: good (used), machine/vehicle number: 17/4, usable grinding wheel outer Ø: 600 mm Rsdpfsit N Ipex Ab Iobw Table size: 470 x 950 mm Table can be tilted down/up to: 45/30° Table height above floor: 950 mm Grinding wheel speed: 940 rpm Grinding wheel drive: 380 V, 940/1140 rpm, 2.2/2.5 kW Weight: 237 kg

Condition: used, max. grinding length: 300 mm max. grinding width: 150 mm table movement - longitudinal: 2 - 20 m/min grinding plate rotations: 3000 Upm Rbjdpfsr Nyatox Ab Iow electrical connection: 380 V, 1,1 kW space needed: 1500 x 1100 x 1750 mm weight: 920 kg

Condition: ready for operation (used), cCenter height: 130 mm Redpjvf Dmtjfx Ab Iebw center width: 500 mm grinding wheel dimensions: 127/300 x 40 mm grinding wheel speeds: 2 rpm electrical connection: 380 V, approx. 4 kW space required: 1730 x 1100 x 1550 mm weight: approx. 1750 kg

Condition: ready for operation (used), machine/vehicle number: 4105, Grinding area: approx. 130 x 255 mm Grinding speed: 2800 rpm Table size: 150 x 300 mm Drive motor: 380 V, 1.5 kW Required space: 750 x 700 x 1700 mm Weight: about 380 kg Cup wheel Ø: 180 mm Rbedpfeh Ugwvox Ab Iew

Condition: used, machine/vehicle number: 0257391, height of centers: 160 mm Rbsdpfogayiwsx Ab Isw distance between centers: 1500 mm grinding wheel measures: 500 x 127 x 40 mm grinding wheel rotations: 1570/2050 Upm electrical connection: 380 V kW space needed: 4400/6400 x 2000 x 1400 mm weight: ca. 4000 kg

Condition: good (used), Year of construction: 2006, functionality: fully functional, center height: 100 mm, workpiece weight (max.): 35 kg, grinding length: 500 mm, grinding diameter: 125 mm, overall weight: 1,800 kg, input voltage: 400 V, For sale: 1 used grinding machine. Manufacturer: Knuth Werkzeugmaschinen GmbH. Model: RSM 500. Year of manufacture: 2006. Technical data: Centre height: 100 mm; Max. grinding diameter: 125 mm; Distance between centres: 520 mm; Max. grinding length: 500 mm; Max. workpiece weight: 35 kg; Internal grinding diameter: 10 - 40 mm; Internal grinding depth: 50 mm; Spindle taper: MK4; Tailstock: MK2; Weight: 1,800 kg. Documentation available. The machine can be inspected at our warehouse in 09599 Freiberg. Rsdsxzrvwopfx Ab Isbw

Condition: excellent (used), Year of construction: 1977, functionality: fully functional, Equipment: 4 in one shovel, The machine is in excellent condition and can be inspected at our warehouse. Redpfx Aoyxypijb Ijbw