Control unit

Heidenhain QSY 155D 339 881-14 Motor SN20733875D generalüberholt mit 12 Monaten Gewährleistung

Condition: excellent (used), Sub-spindle, Y-axis, C-axis FANUC 18i-TB control Ljdpfx Adox A Eupeqsri Turning diameter max 250 mm Turning length -555 mm Chuck Diameter -165 mm Main-spindle speeds 50-4'500 rpm Sub-spindle speeds 5'000 rpm Turret head 1+2: 24 positions with 12 driven positions each Tool presetting device Barloader Piece catching device Misc. accessories MARCELS MASCHINEN CH

Condition: reconditioned (used), Year of construction: 2006, CNC Lathe GILDEMEISTER CTX 420 linear Lrsdpsxzt Dcjfx Adqji Equipped with Siemens 840 D powerline control Year of manufacture: 2006 Max. turning diameter: 324 mm Max. turning length: 600 mm Max. swing diameter: 680 mm Spindle bore: 79 mm Max. spindle speed: 4,500 rpm Including the following accessories: Sliding guard with interior lighting 12-position turret with 12 driven stations Y-axis, C-axis Tool measuring device Parts catcher 3-jaw hydraulic chuck 210 mm with foot switch Hainbuch hydraulic collet chuck IRCO Breuning RBK 10012 bar feeder Signal lamp Tailstock with quill Chip conveyor Oil mist extraction Coolant system with high-pressure coolant (IKZ) and belt filter unit Operating manuals

Condition: good (used), Year of construction: 2001, Gildemeister NEF 520 CNC Lathe TECHNICAL DATA Working Area Swing over bed: 500 mm Swing over cross slide: 290 mm Chuck diameter: 250 mm Cross travel: 260 mm Center distance: 850 / 1350 mm Turning Spindle Spindle head DIN 55027 Size: 8 Spindle bore diameter: 70 mm Spindle mount: metric 80 Spindle diameter in front bearing: 120 mm Main drive AC Drive power: 12 kW Lrodjwftvijpfx Adqei Max. torque: 920 Speed range: 10 – 3000 rpm Gear ratios: 2 Switchable speeds: Continuously variable Feed drive X-feed force: 5000 N Z-feed force: 10000 N X-rapid traverse: 8 m/min Z-rapid traverse: 10 m/min Multifix tool carrier; Size: C Tailstock Quill diameter: 80 mm Quill stroke: 180 mm Quill mount: MK5 Dimensions L x W x H: 2900 x 1953 x 1825 mm Weight: 2700 kg SCOPE OF OFFER INCLUDES (list not exhaustive): Gildemeister lathe SMW Autoblok Hi-Grip high-precision chuck Chuck jaws Multifix tool holder Complete operating documentation Exact scope of offer as shown in the photo gallery We assume no liability for the accuracy, completeness, or timeliness of the information provided.

Condition: used, For more technical data, please contact the seller. Lrjdpfxjh A I S As Adqoi

Condition: used, machine/vehicle number: 1 284 066, Chuck Ø: 200 mm Lsdpfxjcm Tgkj Adqjri Bore through: 50 mm Mounting, short taper according to DIN 55027: size 6 outside-Ø of the clamping cylinder: 290 mm Overall height (clamping cylinder to chuck front without jaws): 150 mm pneumatically operated

Condition: used, Year of construction: 2004, Mazak Multiplex 6300 Lrsdpfjv Tvkaox Adqsi Mazatrol 640T YOM: 2004-11 approximately 20 pcs tools Mazak Flex-GL200F More information is coming soon.

Condition: excellent (used), Year of construction: 2007, CNC Lathe GILDEMEISTER CTX 420 Linear Lrodpfx Asw Slfbjdqsi 2007 Siemens 840 D Technical specifications: * Turning length: 600 mm * Turning diameter: 680 mm * Spindle bore: 79 mm * Spindle speed: 5000 rpm * Spindle power: 25 kW * Chip conveyor: Yes * Variable spindle speed: 5000 rpm Main spindle with bar capacity: Ø 65 mm Self-centering Autoblock chuck: Ø 250 mm

Condition: good (used), Year of construction: 2008, Machine is in good working condition. Lrsdpfju Rc Hmsx Adqsi

Condition: ready for operation (used), Year of construction: 2002, functionality: fully functional, machine/vehicle number: 07400000151, Axis:XYZCB (8-axis) Ø250 x 300mm Bar Feeder:Ø65 Tool:VDI30 / Tooth profile Control:SIEMENS 840D POWERLINE Lrjdpfx Aettm N Njdqoi Dimensions: 2430x5600x2430mm

Condition: new, functionality: fully functional, Year of construction: 2026, Dry and Wet Ball Mill: Structure, Operation, and Technical Details A ball mill is a fundamental grinding device used in mineral processing, cement manufacturing, chemical production, and other industrial applications. It works by rotating a cylindrical shell filled with grinding media—usually steel balls—causing impact and friction that reduce materials to fine powder. Based on the grinding environment, ball mills are classified into dry and wet types, each suited for specific materials and process requirements. Working Principle Both dry and wet ball mills operate on the same mechanical principle. The rotating cylinder, driven by a motor through a gear system, lifts the grinding media and material along the inner wall. As the rotation continues, the balls fall under gravity, striking and grinding the material. The difference lies in the presence or absence of a liquid medium during grinding. Dry Ball Mill A dry ball mill is used when the material must remain moisture-free or when water could affect product quality. It is commonly applied in cement clinker, limestone, quartz, and refractory material grinding. The discharge can be either grate type or overflow type, depending on the desired fineness. Technical Features: Feeding size: ≤25 mm Discharge size: 0.075–0.4 mm Capacity: 0.65–90 t/h Liner material: High manganese steel or wear-resistant alloy Ljdeq Nx Aljpfx Adqeri Drive system: Gear-driven or direct-coupled motor Dust control: Equipped with air exhaust and dust collector Advantages: Suitable for materials sensitive to moisture No drying process required after grinding Lower corrosion risk and simpler maintenance Easier material classification and separation Limitations: Dry grinding produces more dust and heat, requiring efficient ventilation and dust collection systems. Wet Ball Mill A wet ball mill operates with water or another liquid medium added to the material. The slurry formed during grinding improves efficiency by reducing friction and preventing excessive heat buildup. It is widely used in ore beneficiation, ceramics, and chemical industries. Technical Features: Feeding size: ≤25 mm Discharge size: 0.074–0.2 mm Capacity: 0.65–615 t/h Liner material: Rubber or high-chromium steel Discharge method: Overflow or grate type Auxiliary equipment: Classifier, pump, and thickener for slurry circulation Advantages: Higher grinding efficiency and finer particle size Reduced dust and noise levels Continuous operation suitable for beneficiation circuits Better control of particle uniformity Limitations: Requires drying if the final product must be in powder form and involves more complex slurry handling. The selection between dry and wet grinding depends on the material characteristics, downstream process, and environmental conditions. Dry mills are preferred for materials that must stay moisture-free, while wet mills are ideal for fine grinding and slurry-based processes. Conclusion Dry and wet ball mills share the same mechanical structure but differ in their grinding environment and application scope. The dry type offers simplicity and low maintenance for moisture-sensitive materials, while the wet type provides higher efficiency and finer output for mineral and chemical processing. Understanding their technical parameters and operational differences ensures optimal equipment selection, improved productivity, and reliable performance in industrial grinding operations.