Karstens pirkti naudotą (29)

Būklė: naudotas, Gamybos metai: 1999, Grinding diameter: 360 mm Grinding length: 650 mm Centre height: 180 mm Control: SIEMENS 840 D Total power requirement: 15 kW Machine weight approx.: 9500 kg Space requirement approx.: [not specified] KARSTENS CNC-controlled external cylindrical grinding machine Type K 52 - 650 (98 019 06 52051) Year of manufacture: 1999 Centre height: 180 mm Centre width / Max. clamping length: 750 mm Max. grinding length: 650 mm Grinding length for plunge grinding: 150 or 210 mm External grinding diameter min./max.: approx. 5-360 mm Max. grinding width for plunge grinding: 150 mm Max. workpiece weight between centers/floating: 250/70 kg Grinding wheel dimensions (diameter x width x bore): 600 x 150 x 203 mm Cutting speed, steplessly adjustable up to: 35/50 m/sec Grinding slide travel (X-axis): 360 mm Grinding slide feed: 0.01 – 6,000 mm/min Workpiece headstock (MK4) - spindle speeds (C-axis), stepless: 1–1,000 rpm Table speed (Z-axis): 0.01 – 10,000 mm/min Feedback system resolution: 0.0002/0.0005 mm Spindle drives: 11/15 kW * Total drive approx. 30 kW - 400 V - 50 Hz Weight approx.: 9,500 kg Accessories / Special features: - Granite machine base with all technical and thermal advantages - SIEMENS CNC control Type 840 D with software and subprograms - Manual control unit - MOVOMATIC measuring control Type ES 400 with hydraulically retractable measuring bracket - Grinding slide set to 0° – ideal for straight plunge grinding - Grinding wheel mounted on the left side, extra wide up to 210 mm - Fixed workpiece headstock or flange driver - Tailstock on sub-slide with approx. 50 mm stroke, hydraulically operated with quill correction - Powered diamond disk profiling device for CNC profiling of the grinding wheel - Wheel balancing device on the machine - The machine is currently equipped with a HEILIG loading gantry which automatically loads/unloads cylindrical workpieces approx. 30 x 100 mm into/out of the work zone - Simultaneous handling of raw and finished parts with double gripper - Separate hydraulic unit, DEMAG chain hoist for easier grinding wheel change - Complete machine enclosure with manually lockable and electronically monitored doors - No coolant system, but intermediate tank for central supply Iajdpet Hw A Hefx Abvet Condition: good – ready for demonstration soon – ideal machine for plunge grinding operations Delivery: ex stock – as inspected Payment: strictly net – upon receipt of invoice We have a wide selection of all types of grinding machines, please enquire with us.

Būklė: naudotas, Gamybos metai: 2000, Grinding diameter: 360 mm Grinding length: 1600 mm Center height: 180 mm Internal diameter: 0 mm Grinding depth: 0 mm Swing diameter: 0 mm Total power requirement: 40 kW Machine weight approx.: 10,000 kg Space requirement approx.: m KARSTENS Universal CNC External, Internal and Surface Grinding Machine with polygon, non-circular, multi-edge, and thread grinding capability BWO CNC control type 900 C, type K 51 - 1500 Year of manufacture: 2000 Serial No. 99 033 ----- Center height: 180 mm Distance between centers / grinding length: 1,700 / 1,600 mm Max. workpiece weight between centers: 250 kg External grinding: Grinding diameter approx.: 5 - 360 mm Grinding wheel size (diameter x width x bore): 500 x 100 x 127 mm Grinding spindle speeds (35 m/s / 50 m/s): 1,900 / 2,200 rpm Drive power external/surface/internal: 7.5 / 7.5 / 4.0 kW Grinding spindle carrier with 3 positions B-axis swivel range: 240 / 17.5 ° X-axis / cross slide travel: 360 mm Grinding slide feed: 0.001 – 125 mm/min Workpiece spindle speeds, infinitely variable: 1 – 1,000 rpm C-axis spindle mount / bore: 24 mm, MK 4 Table speed (Z-axis): 0.01 – 10 m/min Total power installed: 40 kW – 400 V – 50 Hz Weight approx.: 10,000 kg Accessories / Special Equipment: Universal CNC cylindrical grinding machine suitable for almost all grinding tasks, in particular also for non-round grinding / eccentric/cam contour grinding and polygon grinding as well as face grinding on multi-edged workpieces and even thread grinding with appropriate grinding wheel profiles. Freely programmable BWO CNC control with a variety of subprograms and simple parameter input. Grinding of multiple diameters in a single setup possible. • B-axis with three grinding spindles, one of them with MOVOMATIC touch probe • MOVOMATIC pneumatic diameter measurement head CR 60, for mounting on the grinding table, control unit type ES 400, • MPM grinding wheel balancing device, straight dresser with diamond fleece mounted on the table, Iaodpfxot Hw Rds Abvot powered diamond wheel dresser, • Workpiece headstock pneumatically shiftable, hydraulic tailstock with adjustable quill, • Various other accessories, but without coolant system Condition: Good to very good – ready for demonstration under power, Ideal machine for spindle manufacturing, etc. Delivery: ex-stock as inspected Payment: strictly net - upon receipt of invoice

Būklė: labai geros būklės (naudotas), Gamybos metai: 1988, Funkcionalumas: visiškai funkcionalus, centro aukštis: 180 mm, ruošinio svoris (maks.): 70 kg, plotis centre: 650 mm, šlifavimo disko skersmuo: 400 mm, ruošinio svoris tarp centrų: 250 000 g, The machine was completely repaired and inspected by the seller! TECHNICAL DETAILS WORKING RANGE Centre distance: 650 mm Centre height: 180 mm Workpiece weight: max. 70 kg between centres unsupported / max. 250 kg between centres Grinding wheel diameter: 400 mm WORKPIECE SPINDLE Mount: MK4 Speed: 30 - 450 rpm Swivel range: 0 - 90° Motor power: 0.55 kW TAILSTOCK Mount: MK4 Quill stroke: 45 mm Quill force: 200 - 600 N TRAVEL AND SETTINGS Table swivel: 10° Feed spindle travel: 80 mm Rapid traverse: 50 mm Coarse air cushion adjustment: 280 mm MACHINE DETAILS DRIVES External grinding spindle motor: 4 kW Internal grinding spindle motor: 2.2 kW Iaedewy Rnfopfx Abvet WEIGHT Machine weight: 3,600 kg EQUIPMENT Air-cushioned rapid adjustment of grinding spindle headstock Separate drives for spindle for external and internal grinding Fully automatic operation with rotary cam switch Automatic longitudinal grinding cycle Central coolant supply for all grinding points Workpiece spindle headstock with steplessly adjustable drive Infeed control for longitudinal and plunge grinding

Būklė: visiškai atnaujintas (naudotas), Gamybos metai: 2024, Funkcionalumas: visiškai funkcionalus, centro aukštis: 180 mm, ruošinio svoris (maks.): 70 kg, plotis centre: 650 mm, šlifavimo disko skersmuo: 400 mm, Įranga: sūkių greitis be galo kintamas, Completely overhauled cylindrical grinding machine, year of manufacture 2024! Iodpfx Aewy Ufuobvjat No reserve price – guaranteed sale to the highest bidder! TECHNICAL DETAILS Between centers: 650 mm Center height: 180 mm Workpiece weight: 70 kg (unsupported), 250 kg (between centers) Grinding wheel diameter: 400 mm Workpiece spindle and tailstock Workpiece spindle: Morse taper 4 Speed: infinitely variable, 30–450 rpm Swivel range: 0–90° Tailstock: Morse taper 4 Quill stroke: 45 mm Quill force: 200–600 N Axes and adjustments Table swivel: 10° Infeed spindle travel: 80 mm Rapid traverse travel: 50 mm Coarse air cushion adjustment: 280 mm MACHINE DETAILS Motors External grinding spindle motor: 4 kW Internal grinding spindle motor: 2.2 kW Workpiece spindle motor: 0.55 kW Machine weight: 3,600 kg EQUIPMENT Infeed drive via DC motor Pneumatic lift-off supported rapid adjustment of grinding spindle stock Separate drives for external and internal grinding spindles Fully automatic working sequence: rapid approach, rapid retraction, grinding mode, infeed stop, micrometer infeed Automatic longitudinal grinding cycle Centralized coolant supply Infeed control for longitudinal and plunge grinding