Cylindrical Grinding Machine - Universal

KELLENBERGER KEL-VARIA

Condition: used, KELLENBERGER KEL-VARIA R175 x 1500 is a CNC cylindrical grinder engineered for high precision, top accuracy and reliable production. Capacities: centre height 175 mm, distance between centres 1500 mm, Z-axis 1650 mm, workpiece weight on centres max. 150 kg; grinding wheel Ø500×80 mm (bore 203 mm) or Ø400×63 mm (bore 127 mm); max wheel travel 320 mm. Key specs: wheel speeds stepless 1000–2150 rpm (peripheral speed 45 m/s); feed 7500 mm/min; work spindle swivels -10/+100° with 8–800 rpm; permitted load 160 Nm; grinding spindle motor 7.5 kW; work spindle motor 2 kW; 3×400 V 50 Hz; rapid 15 m/min; approx. weight 6000 kg; dimensions 4700×2300×2000 mm; air 6 bar. Accessories: coolant system, paper filtration, MARPOSS touch probe, set of grinding wheels, rotary centre, set of centers, set of workpiece drivers, set of throat gauges, lamp, 2 tool cabinets, tailstock with fine adjustment, oil mist extractor, spindle nose for collets. Achieves tight tolerances; typical applications: automotive, watchmaking, machine tool Itsdpfxexx U S Ae Afajp

Condition: used, Distance between centres: 1000 mm Centre height: 250 mm B-axis: Accuracy 0.1" CNC brand: Kelco CNC model: 90 Left grinding wheel dimensions (OD x ID x width): Ø400 x Ø127 x 63 mm Right grinding wheel dimensions (OD x ID x width): Ø400 x Ø127 x 50 mm Workhead swivel: -30º to +120º Workhead taper: MK 5 Max. workpiece weight between centres: 150 kg Tailstock taper: MK 4 Tailstock quill travel: 50 mm Maximum peripheral speed: 32 m/s High-frequency internal grinding spindle: Ø120 mm High-frequency internal grinding spindle brand: WARNER model K 3.000 Main motor power: 7.5 kW Total power: 26.5 kW Max. Z-axis travel: 1,150 mm Max. Z-axis feed speed: 15 m/min Worktable rotation: 0º to 9º Max. X-axis travel: 320 mm Max. X-axis feed speed: 7.5 m/min Length: 3,600 mm Width: 2,000 mm Approx. weight: 5,000 kg Iodpfx Aexmg Ekjfastp

Condition: used, Year of construction: 2000, controller manufacturer: Heidenhain, controller model: Heidenhain 1830 M - KELCO 120, _____ Description: Year of manuf. : 2000 Control : Heidenhain Heidenhain 1830 M - KELCO 120 Grinding length : 1000 mm In General: YOM::2000 - Retrofit 2024 Controller:Heidenhain 1830 M - KELCO 120 Workpiece headstock: Swivelling range:-10°/+100° Speed:600 rpm Centre height:250 mm Internal mounting cone:MK5 Short taper outside:DIN 55026 Workpiece weight max.:150 kg Grinding headstock: Design:Tandem grinding headstock B-axis:-210°/+30° Internal grinding device:Internal grinding spindle Grinding table (X-axis): X-axis:320 mm Max. speed:7.5 m/min Resolution:0.1 μm Lower table (Z-axis): Centre distance:1,000 mm Z-axis:1,150 mm Max. speed:15 m/min Ijdpexwgh Hefx Afaotp Resolution:0.1 μm Equipment: Coolant supply:Coolant system with filter Emulsion mist separator:Mechanical Tailstock:MK4, stroke 50 mm Workpiece measurement:Marposs T25 :Tool measurement Marpos A 90 Set-up mode:Electronic handwheel Chuck:3-jaw chuck, magnetic chuck

Condition: used, Year of construction: 2003, grinding diameter 450 mm grinding length 1500 mm centre height 225 mm Itjdpfx Afsxflcroaop

Condition: used, KELLENBERGER KEL-VARIA 2RU 225/1500 is a CNC cylindrical grinder engineered for precision, high accuracy and reliability. Capacities: centre height 225 mm, distance 1500 mm, max grinding Ø 432 mm, workpiece weight 150 kg; wheels L 400×63×127, R 500×80×127. Wheel speeds 1000–2150 rpm (45 m/s); work spindle 8–800 rpm, taper 5 CM, permitted load 160 Nm. Tailstock taper 4 CM, stroke 50 mm, pressure 200–700 N; supply 3×400 V 50 Hz. Options: KEL‑ASSIST 100, MOVOMATIC, KEL‑SET, MOVOMATIC C25, KEL‑BALANCE, coolant through spindle, paper filtration, 400 mm magnetic chuck, dressing, swivel diamond holder. Enables tight tolerances; sectors: automotive, watchmaking, machine tools, aerospace, medical. Ijdpfx Asxx U Haofastp

Condition: used, _____ Itodpfx Afswz T Azjaop Description: Year of manuf. : 1999 Control : Heidenhain 1830 M - KELCO 110/120 Grinding length : 1000 mm Centre width : 1000 mm Workpiece headstock: Swivel range:-10°/+100° Speed:800 rpm Center height:175 mm Internal mounting cone:MK5 Short taper external:DIN 55026 Workpiece weight max.:150 kg Grinding headstock: Design:Tandem grinding headstock B-axis:-210°/+30° Internal grinding device:Internal grinding spindle Grinding table (X-Axis): X-axis:320 mm Max. speed:7.5 m/min Resolution:0.1 μm Lower table (Z-axis): Center distance:1,000 mm Z-axis:1,150 mm Max. speed:15 m/min Resolution:0.1 μm Equipment: Coolant supply:Coolant system with filter Emulsion mist separator:Mechanical Tailstock:MK4, stroke 50 mm Workpiece measurement I:Movomatic TMP 91 Workpiece measurement II:Movomatic TNU 91 Tool measurement:Marpos A 90 Set-up mode:Electronic handwheel Accessories:Various flanges, tips and chucks

Condition: used, grinding diameter 450 mm grinding length 1000 mm centre height 225 mm 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 machine will be delivered overhauled. Mechanical overhaul: • Overhaul of the entire machine according to Kellenberger measuring protocol • A new service-friendly cabin • Repainting Electrical overhaul: • New, modern CNC cylindrical grinding machine control system • New built up control cabinet • New drive technology • Exchange of all electric lines, Berus pressure switch, etc. • New absolute glas scales in X- and Z- axis • New absolute rotary encoder (for B-axis) Please remark that the pictures show an already delivered machine with other options. Wheelhead variant UR/RS: • Grinding wheel arrangement for external and angular plunge grinding in a row • Thus, in each case 400mm grinding wheel diameter • Thus, substantially lower risk of collision • Easier programming • Grinding wheel equipment in each case 400x63x127mm • HF-Spindle for internal grinding • B-axis CNC-controlled for external-, surface and internal grinding at one setting. Itedpeuwv Hyefx Afaep • Swivel range +10°/-270° • C-axis for polygon grinding • Tight lower part • Grinding head motor 10,0 kW • Tailstock • Marposs measuring system for grinding wheel alignment • Marposs lateral positioning system

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 Itjdpjuwv H Tsfx Afaep -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 Gefährdungsbeurteilung nach BetrSichV zu ermitteln.

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. Isdjuwv H Hopfx Afaetp -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 Gefährdungsbeurteilung nach BetrSichV zu ermitteln.

Condition: used, Year of construction: 2002, grinding diameter 450 mm grinding length 1500 mm centre height 225 mm Control FAGOR EQUIPEMENT - T1: grinding wheel diameter 500 mm - T2: grinding wheel diameter 400 mm - T6: HF Fischer spindle MFV or MFZ 1224/1242/1260 - T7: HF Fischer spindle MFV or MFZ 1224/1242/1260 - Marposs tool measurement - active longitudinal positioning Itodpfxeuxfu No Afaop - Elaso GAP-control on T1 and T2 contactless integrated in the control surface - Elaso GAP internal grinding with fluid sensor for T6 and T7 - semi-automatic balancing by Elaso integrated in the control surface for T1/T2 - tailstock hydraulic with fine adjustment +/- 150 microns - dresser on workpiece spindle side table mounted - dresser on tailstock side table mounted - dresser on upper table - new service- and userfriendly housing SPECIAL EQUPEMENT: Workhead with direct drive - strongly recommended for non-circular grinding - workpiece weight flying max. 75kg - workpiece weight between centres 150kg - water-cooled B-axis with direct drive - center height 225 mm - extremely torsionally stiff - highly accurate positioning - resolution ° - water-cooled Hydrostatic ball screw - x-axis - wear-free, as there is no contact during operation - no loss of precision, even during long-term use at full load and maximum speed - no friction at low speeds - no friction force backlash when the direction of rotation changes - translates even the smallest rotational movements - no stick-slip effect even at low speeds - no fluctuations in frictional torque due to ball circulation - higher axial stiffness compared to ball screws - significant improvement in damping, resulting in better workpiece surface finish and tool life - no oscillations due to ball circulation - also suitable for high speeds and accelerations - cost-effective alternative to the linear motor with greater precision and significantly lower heat generation - significantly less power dissipation and, as a result, no problems with swarf on permanent magnets New hydraulic unit - optimized temperature control (chiller) - Energy-saving Only one pump controlled by VFD - Pressure monitoring - monitoring of the hydrostatic oil for water content. (Damage to the bellows is recognised and detected prematurely) -fine adjustment +/- 150 microns Paper belt filter 375l – alternative 480l Grinding mist extraction system – emulsion MECHANICAL OVERHAUL -complete machine according to Kellenberger protocoll -new painting ELECTRICAL OVERHAUL - new modern Fagor CNC with BEMA HMI - new electric cabinet - new digital drive technology - replacement of all electrical cables, switches etc. - new absolute external scales in x- and z-axis - new absolute encoder (B-axis) Grinding software BEMA-Standard: - workpiece zeroing - grinding wheel zeroing - dressing diamond measuring - corrections - external and internal surface grinding - external and internal angle grinding (turning of the b-axis, dressing with straight wheel) - external and internal radius grinding (radius dressed on wheel) - semi-automatic traverse grinding - workpiece zeroing - 2 dressing diamonds - 1 dressing blade - dressing roll - 3 flat dresser - corrections - Z-position measurement - GAP control Optional grinding cycles at no extra charge: Profile plunge grinding: - external and internal profile plunge grinding with profile wheel Pr...