CNC Surface Grinding Machine

Jung JA 500 CNC-C

Condition: used, Year of construction: 1995, Surface grinding machine Manufacturer: Jung Type: JA 500 CNC-C Year of manufacture: 1995 Overhauled in: 2003 Grinding length: 500 mm Grinding width: 200 mm Max. workpiece height: 250 mm Table dimensions X/Y: 600 mm / 200 mm Grinding wheel diameter: 225 mm Gtsdpfx Afewp E Rgsnsu Grinding wheel width: 25 mm Grinding wheel bore: 51 mm Speed: 4,200 rpm Machine weight: approx. 2,500 kg

Condition: used, Year of construction: 1982, grinding length:500 mm grinding width:225 mm workpiece height:400 mm total power requirement:5,5 kW weight of the machine ca.:3,4 t NC81 NC-control, table belt drive 100-25000 mm/min., automatic feed, electronic dressing unit 020 NC-K with RPM-compensation, coolant pump, emergency cut-off Gtsdpfx Afocxxtmjnju

Condition: used, grinding diameter 350 mm grinding length 1000 mm centre height 175 mm dimensions of the machine ca. 3,6/3,5 m As the world’s leading company in Kellenberger overhaul and retrofit we are not only able to deliver machines in a quality similar to a new machine and with warranty, but we can also offer you the service for your is: Kellenberger Kel-Varia Baureihe mit Kelco 90 Steuerung. Mechanische Überholung: -komplette Maschine nach Kellenberger Messprotokoll überholt -Neue servicefreundliche Kabine -Neulackierung Elektrische Überholung: -Neue moderne CNC-RUNDSCHLEIFMASCHINEN-Steuerung -Neu aufgebauter Schaltschrank -Neue Antriebstechnik -Austausch sämtlicher elektrischer Leitungen Berus Druckschalter etc. -Neue Absolut-Glasmaßstäbe in x- und z -Neuer Absolut Drehgeber (Bei-B-Achse) Standardausstattung: -WSS mit Konus MK5, optional mit Adapter MK5/Kurzkegel -RST mit MK4 Konus. Optional mit Feinverstellung -Schleifspindelstock T1/T2/T3 -T1 Schleifscheibendurchmesser 400mm -T2 Schleifscheibendurchmesser 300mm -T3 Innenschleifeinrichtung riemengetrieben. -Schleifspindelmotor 4,4kW -B-Achse hochauflösend -Marposs Messsystem zur Schleifscheibenvermessung. -Längspositionierung Marposs -GAP Control (Sensor am Schleifspindelstock) Optionen gegen Aufpreis: -HF Innenschleifspindel -Hochgenauer, höchst kippsteifer Werkstückspindelstock -Messteuerung Die Werkzeugmaschine entspricht zum derzeitigen Zeitpunkt nicht den grundlegenden Sicherheits- und Schutzanforderungen wie in der BetrSichV 2015 genannt. Eine Anhebung des erforderlichen Mindest-Schutzzieles ist mittels einer Godpfeuwv H Tsx Afnetu Gefährdungsbeurteilung nach BetrSichV zu ermitteln.

Condition: refurbished (used), Year of construction: 2025, functionality: fully functional, machine/vehicle number: 1845/455, Completely refurbished: Mechanics, geometry, hydraulics, and electrical components Wheelhead Disassembly, cleaning of parts, replacement of worn and defective components, motor overhaul, replacement of bearings, replacement of belts, spindle disassembly, replacement of seals and O-rings, plus adjustment. New paintwork. Workhead Disassembly, cleaning of parts, replacement of worn and defective components, motor replacement, replacement of belts. New spindle bearings. New paintwork. Tailstock Disassembly, cleaning of parts, replacement of worn and defective components, motor replacement, replacement of belts. New spindle bearings. New paintwork. Internal grinding attachment Disassembly, cleaning of parts, replacement of worn and defective components, installation of the support and geometry alignment. New paintwork. Hydraulics Disassembly, motor replacement, hose replacement, defective and worn parts replaced. Hydraulic block checked. X-Axis Disassembly, replacement of worn items such as O-rings, seals, rings, etc., overhaul of hydraulic piston, regrinding of tables. Z-Axis Disassembly, regrinding of tables, replacement of worn and defective parts, overhaul of hydraulic piston, scraping of V and flat guides. New paintwork. Measuring system Digital 2-axis display included. Electrical cabinet Replacement of motor contactors and relay controls. New wiring. New variable speed drive (frequency inverter) for the workhead. TECHNICAL SPECIFICATIONS Distance between centers: 1500 mm Distance between centers (workhead to tailstock overhang): 1650 mm Center height, standard: 125 mm Center height with riser blocks: 225/250 mm Maximum grinding diameter: Ø 250 mm Maximum grinding diameter with riser blocks: 450/500 mm Table Usable surface: 2060 x 140 mm Max. length and width for surface grinding: 1750 x 200 mm Longitudinal travel, manual or hydraulic: 1750 mm Manual table movement, 1 handwheel revolution – coarse: 20.006 mm Manual table movement, 1 handwheel revolution – fine: 2.457 mm Table speed, continuously via hydraulics: up to 6 m/min Table swivelling: 6° Gtedpfx Aext Ilfofnju Stop and return: 0–5 sec. Workspindle Workpiece speeds, continuously variable (electric): 20–400 rpm Swivelling: 360° Workspindle taper (internal): MT5 Tailstock Internal taper, tailstock spindle: MT3 Spindle retraction, manual or hydraulic: 30 mm Diamond dresser taper (internal): MT0 Universal grinding head Cross slide travel for wheel: 285 mm Rapid traverse for wheel slide, front and rear: 40 mm Grinding spindle speeds: 1500 – 1700 – 2200 – 3600 rpm Vertical grinding spindle movement, center heights: 125–330 mm Max. wheel for cylindrical grinding: 400 x 50 x 127 mm Max. wheel for surface grinding: 250 x 20 x 76 mm Head swivelling with locking at every 90°: 270° Wheel feed 1 division of the micrometer drum: 0.005 mm/Ø Automatic wheel feed, max.: 0.9 mm/Ø Motors Grinding spindle motor: 2,900 rpm / 4.0 hp Workspindle motor: 3,000 rpm / 2.0 hp Coolant pump motor: 2,850 rpm / 0.12 hp Internal grinding attachment Bore: 70 mm Internal grinding spindle speed Ø70 mm: 14,000 rpm Internal grinding spindle speed Ø50 mm: 21,000 rpm Subject to error or omission, the technical information is provided without obligation.

Year of construction: 1999, condition: excellent (used), Control: CNC-controlled and manually controlled PC P 2000 MMX-PCI Desktop ATX color screen 15", keyboard CNC-Turbo roughness for WINDOWS TECHNICAL DATA Hard stone test plate (DIN 876) length x width 1200 x 500 mm Accuracy grade 2 Flatness 16,6 µm Weight 250 kg Linear feeder Waveline 60 Basic Probe length 60 mm Resolution 0.014 µm Measuring column Wavelift 400 CNC Travel 400 mm Positioning repeatability ˂ 10 µm Device dimension W x D x H 1.8 x 0.8 x 2.2 m Weight 600 kg EQUIPMENT/ACCESSORIES  Complete enclosure with electrically operated roller blinds  hard stone plate 1200 x 500 mm  ISEL-feed axis with ball screw drive  Workpiece mounting plate  Linear feed unit Waveline 20/60  Measuring column Wawelift 400 CNC  Tilting unit KEG 60 at the measuring column, manual to the Waveline  Installation kit for roughness measurement  Installation kit for contour measurement  Various probes and holders for roughness and contour measurements  Instrument table  Emergency stop button on the instrument table Gsdpfxjlxyp Ho Afnjtu  Calibration set  Support prisms  Maintenance unit for compressed air preparation  Air damping elements for mounting the hard stone plate  Documentation

Condition: used, Year of construction: 2003, NAKAMURA TOME SUPER NTJ CNC LATHE MAKE NAKAMURA TOME, MADE IN JAPAN MODEL SUPER NTJ YEAR 2003 CONTROL FANUC 18 iT B CHUCK SIZE 210.0 mm MAX TURNING DIA. 200.0 mm Gtedpfx Asv I Tx Rjfnsu BETWEEN CENTRES 780.0 mm DRAW TUBE DIA. 80.0 mm TRAVELS: X AXIS: 750.0 mm Z AXIS: 130.0 mm TURRET 2 x 12 STATIONS SPINDLE SPEED Up to 5,000 rpm SPINDLE BORE 65.00 mm SPINDLE NOSE A2-6 PLUS CNC SHORT MAGAZINE BARFEED TURRET TOOLING SWARF CONVEYOR MANUALS

Condition: used, Year of construction: 1985, grinding length 600 mm Gjdpfx Aewd Tx Uefnstu grinding width 200 mm total power requirement 7,5 kW weight of the machine ca. 2,3 t

Condition: excellent (used), Year of construction: 2008, functionality: fully functional, MAIN SPINDLE: Spindle nose: A2-8 Main spindle drive power: 18.5 kW Max. main spindle speed: 4,000 rpm Max. spindle bore: 80 mm Max. machinable diameter: 366 mm C-axis 0.001 degree TURRET: Number of positions: 12 pcs. Number of driven tools: 12 pcs. Travel X/Z axis: 280 / 785 mm Travel Y axis: +/- 50 mm Max. speed driven tools: 6,000 rpm Power driven tools: 5.5 kW TAILSTOCK: Taper: MT5 Distance between centers: 705 mm ELECTRICAL SUPPLY: Total drive: 39 kVA WEIGHT AND DIMENSIONS: Space requirements: 3,800 x 2,143 mm Machine height: 2,232 mm Machine weight: 6,100 kg ACCESSORIES: Control: MORI MSX-850 II Tool measuring device Godpsx Rvgzjfx Afnetu Parts removal Chip conveyor Coolant tank Tool holders and driven tools

Condition: used, Year of construction: 2017, Technical details: grinding diameter: 280/320 mm grinding length: 750 mm centre height: 170 mm Gtedjttxg Sspfx Afnou weight of the machine ca.: 22,5 t dimensions of the machine ca.: 4,7 x 3,65 x 3,0 m

Condition: refurbished (used), Year of construction: 2025, functionality: fully functional, machine/vehicle number: 1315/451, Completely overhauled: Mechanics, geometry, hydraulics, and electrical parts (checked and/or replaced) Wheelhead: Disassembled, parts cleaned, worn or defective components replaced, motor overhauled, bearings replaced, belts replaced, spindle disassembled, seals and O-rings replaced, adjustments made. Newly painted. Workhead: Disassembled, parts cleaned, worn or defective components replaced, motor overhauled, belts replaced. New spindle bearings. Newly painted. Tailstock: Disassembled, inspected, overhauled. Hydraulics: Disassembled, motor checked, hoses replaced, defective and worn parts replaced. Hydraulic block checked. X-axis: Disassembled, all worn parts such as O-rings, seals, segments, etc. replaced, hydraulic piston overhauled, table ground. Z-axis: Disassembled, table ground, worn or defective parts replaced, hydraulic piston overhauled, newly painted. Electrical cabinet: Completely checked, various relays replaced. Paintwork: Colors: White RAL 9003 and Grey RAL 7011 Geometry according to manufacturer's protocol. Various accessories checked and cleaned. Origin: CH Voltage: 380 / 50 / 3 Net weight: approx. 2,200 kg Customs tariff number: 8460.2920 TECHNICAL SPECIFICATIONS Gtsdew U Ry Nopfx Afnju Nominal distance between centers: 600 mm Max. distance between centers (with extended headstock): 750 mm Center height, standard: 125 mm Center height with interchangeable pads for heads: 175–250 mm Max. workpiece diameter (125 mm center height): 250 mm Max. workpiece diameter with interchangeable pads: 350–500 mm Swiveling range of table in each direction: 10° Max. grinding length for flat surfaces (max. width = 200 mm): 900 mm Continuously variable hydraulic table speed: up to approx. 6 m/min Table reversal delay: 0–5 sec Grinding wheel for external grinding, diameter - width - bore: 400x50x127 mm Grinding wheel for flat surface grinding: 250x13x76 mm Wheelhead spindle speed: 1,500/1,700/2,200/3,600 rpm Wheelhead swiveling range: 270°, with indexing every 90° Vertical travel of wheelhead, center height: 125–350 mm Transverse travel of wheelhead: 285 mm Hydraulic rapid traverse stroke: 40 mm Intermittent infeed of wheel by table reversal: 0.001–0.03 mm/dia Continuous infeed for plunge grinding: 0–0.9 mm/dia Micrometric infeed stop, by division: 0.001 mm/dia Workhead swiveling range: 360° Workhead spindle speed, stepless: normal/special: 20–400 / 10–400 rpm Internal taper of workhead/tailstock: Morse 5/3 Wheelhead motor: approx. 4 HP All technical specifications are given without obligation and subject to errors or omissions.