Cylindrical Grinding Machine

KELLENBERGER KEL-VARIA

Year of construction: 1995, condition: ready for operation (used), overall weight: 6,000 kg, product length (max.): 3,600 mm, This KELLENBERGER Kel-Varia cylindrical grinding machine was manufactured in 1995. It features a Kellenberger Kelco 90 control system and a robust internal grinding device with a B-axis for a tiltable grinding head. The machine supports a tip height of 175 mm and a tip width of 1,000 mm, equipped with a belt filter system. Ideal for precision grinding tasks. Contact us for more information about this machine. • Capacity: Center height 175 mm; between centers 1000 mm • Configuration: Internal grinding device; B-axis tiltable grinding headGrinding head and B-axis • Grinding heads available: R, RS, UR • R head pivot: +30° • RS/UR heads, rotating part indexing: • Manual indexing: 180° to -190°, 2.5° steps • Automatic indexing: 180° to -90° (or -30°), 2.5° steps Dujdpfx Adeybb T Tegjp • B-axis (RS/UR heads): pivot +180° to -190° (some variants limited to about +30°); resolution 0.1"Workhead • Standard workhead (C-axis): pivot -30° to +120° • Spindle speed: up to 600 rpm (stepless) • Mounting taper: MK5; reduction sleeve MK5/MK4 • Adapter flange: MK5 / DIN 55027 size 5 • Torque capacity: 160 Nm • Max workpiece between centers: 150 kg • Workhead with rotating spindle: • C-axis pivot: -30° to +120° • Spindle speed: 5–500 rpm (stepless) • Mounting taper: MK5 • Torque capacity: 320 Nm (incl. clamping device) • Max workpiece between centers: 220 kgTailstock • Taper: MK4 • Quill stroke: 50 mm • Micro-adjust (option): ±150 µm (±0.006 in)Grinding wheels and internal grinding • UR head: • Left wheel max: 400 × 63 mm • Right wheel max (option): 400 × 50 mm • Max peripheral speed: 32 m/s • R head: • Wheel max: 500 × 100 mm • Max peripheral speed: 32 m/s with 7.5 kW motor; 45 m/s with 9.2 kW motor • RS head: • Wheel max: 500 × 80 mm • Max peripheral speed: 32 m/s with 7.5 kW motor; 45 m/s with 9.2 kW motor • Internal grinding (option/device on this machine): • Mounting bore for high-performance spindles (HJN): 80 mm • Mounting bore for high-frequency spindles (MFV): 120 mmAxes and tables • Z-axis (lower table): • Max speed: 15 m/min • Resolution: 0.1 µm • Travel (1000 mm between centers version): 1150 mm • Upper table swivel range (1000 mm between centers): 0 to +9° • X-axis (grinding slide): • Max travel: 320 mm • Max speed: 7.5 m/min • Resolution: 0.1 µmDrive motors • X-axis slide: 0.94 kW (2000 min⁻¹) • Z-axis table: 0.94 kW (2000 min⁻¹) • Indexing / B-axis: 0.63 kW (3000 min⁻¹) • Grinding spindle UR: 4.4 kW @ 50 Hz (3000 min⁻¹) / 5.2 kW @ 60 Hz (3600 min⁻¹) • Grinding spindle R/RS (7.5 kW version): 7.5 kW @ 50 Hz (1500 min⁻¹) / 9 kW @ 60 Hz (1800 min⁻¹) • Grinding spindle R/RS (9.2 kW version): 9.2 kW @ 50 Hz (1500 min⁻¹) / 11 kW @ 60 Hz (1800 min⁻¹) • Workhead (standard & rotating): 3.1 kW (3000 min⁻¹) • Hydraulic pump: 0.37/0.44 kW (1500/1800 min⁻¹) • Hydrostatic pump: 0.37/0.44 kW (1500/1800 min⁻¹)Dimensions, weight, utilities (1000 mm between centers version) • Floor space (L × W): 3600 × 2000 mm • Weight: net 5000 kg; gross 6000 kg • Minimum air pressure: 4 bar • Noise emission: 70 dB(A) Additional equipment • Belt filter coolant system

Condition: used, Year of construction: 2014, Technical details: grinding diameter max.: 3-220 mm regulating wheel width: 500 mm max. width of grinding wheel: 500 mm weight of the machine ca.: 16 t. dimensions of the machine ca.: 12 x 10 x 8 m. grinding wheel diam. min/max.: 420-610 grinding wheel diameter - width-internal grin: 304,8 x 500 mm Regulatin wheel diameter min/max.: 300-350 mm The machine is currently designed for plunge grinding JUPITER's Centerless grinding, also available with CBN. Junker this circular grinding method with CBN grinding wheels, which opens up significant productivity benefits from the long service life of the grinding wheel, especially at high volumes. In addition, the simultaneous removal takes on the entire Schleswig-Holstein, which provides both in mass production and in small batches for significantly reduced processing times. The grinding process with JUPITER When centerless grinding, there are two grinding processes: the through grinding and plunge. Both methods are possible with the JUPITER. Dujdpfxet Uw Avj Adgsp Applications through grinding: Pin and Bushings Body, rings, smaller rings, piston parts (eg compressors), waves with constant diameter piston rods (eg shock), Small piston for hydraulic and fuel injection, precision wires and rods, piston pins. Applications Plunge: Rotor shafts, transmission parts, bearing surfaces of camshafts, tube and pipe fittings for composite camshafts, universal joints, parts for needle injection, valve stems, barrel rolls. *

Year of construction: 1997, condition: ready for operation (used), number of axes: 4, This 4-axis KELLENBERGER Kel-Varia UR 175/1000 was manufactured in 1997. It features an internal grinding device with a tiltable B-axis and a C-axis for out-of-round grinding, complemented by a belt filter system. Consider the opportunity to buy this KELLENBERGER Kel-Varia UR 175/1000 cylindrical grinding machine. Contact us for more information. Additional equipment • Belt filter system Machine Benefits Technical Machine Benefits • Internal grinding device with b-axis for tiltable grinding head and c-axis for out-of-round grinding Dusdpsx T Dg Ijfx Adgjp Extra Information Center height x center distance: 175 x 1,000 mm Complete with standard accessories, electrical equipment For three-phase current 3 x 400 volts, 50 Hz. Machine color: DARK GRAY NCS 7502B combined with BLUE NCS KEL-ASSIST 90 PLUS software package Internal grinding attachment with 80 mm diameter chuck Right-hand grinding wheel attachment, 400 x 50 mm diameter Oil mist lubrication device for HJN spindles Micro-adjustment on the tailstock Face-spiral three-jaw chuck, 160 mm diameter Dressing device on the upper table Pivoting diamond holder 9.5 mm MOVOMATIC lead-in sensor Set of vibration-damping pads Set of lubricant for initial filling CNC-controlled C-axis

Year of construction: 2004, condition: ready for operation (used), travel distance X-axis: 320 mm, travel distance Z-axis: 1,150 mm, controller manufacturer: HEIDENHAIN, overall weight: 6,000 kg, This KELLENBERGER KEL VARIA RS 175/1000 Grinding machine was manufactured in the year 2004 in Switzerland. It is equipped with a HEIDENHAIN control unit. Machine Benefits Duodpfx Ajyi Eliodgep Qualitative Machine Benefits • Good condition Technical Machine Benefits • Distance between centres: 1000 mm • Centre height: 175 mm • Grinding wheel dimensions right Ø 400 x 50 mm • Grinding wheel head movements -210°/+30° • Rotational speed 8-800 rpm • Spindle type cm5

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

Condition: used, KELLENBERGER KEL‑VARIA R175 x 1500 is a CNC cylindrical grinder engineered for precision, high accuracy and reliable operation. Capacity: centre height 175 mm, distance between centres 1500 mm, Z 1650 mm, max 150 kg; wheels Ø500×80 mm (Ø400×63 mm option). Specs: wheel speeds 1000–2150 rpm, peripheral 45 m/s, max travel 320 mm, feed 7500 mm/min, motors 7.5/2 kW, rapid 15 m/min, 3×400 V, weight ≈6000 kg, dims 4700×2300×2000 mm. Equipment: paper/coolant filtration, MOVOMATIC, Renishaw LP2H probe, wheel flange extractor, remote hand control, MPM balancing. Achieves tight tolerances; suited to automotive, watchmaking, machine tools, aerospace and medical. Dedoyn N Edopfx Adgeup

Condition: used, Year of construction: 1997, 2 x cylindrical grinding machines Kellenberger type: kel varia, year of manufacture 1997 and 1995. Technical data and more pictures available on request. Dusdpex T A Iwefx Adgsp

Condition: used, Year of construction: 1998, centre height 125 mm Dsdpsxwdwfofx Adgeup centre distance 400 mm Control FANUC 21i Capstan diameter max. 406 mm wheel dimensions 406 x 127 x 40 mm workpiece weight 30 kg longitudinal slide -travel 483 mm cross slide - travel 254 mm total power requirement max. 20 kVA weight of the machine ca. 4,0 t dimensions of the machine ca. 3,0 x 2,0 x 2,1 m including 2 Pcs. internal grinding spindle incl. B axis 1° Hirt, controlled incl. C-axis incl. Quick-Set Probe including Sensitron including Magnetic Jaw including hydraulically foldable dresser including other small accessories including documentation without a coolant system, as it was previously connected to a central unit Power On hours approx. 71,000 h Spindle hours approx. 25,900 h

Condition: used, Year of construction: 1995, grinding diameter 350 mm grinding length 1000 mm centre height 175 mm Teilüberholte Maschine mit Messprotokoll nach Neumaschinentoleranz NEUE Steuerung Eckelmann ENC mit BEMA Schleifsoftware KEL-ASSIST für Kelco 90 numerisch gesteuerte B-Achse Innnschleifrinrichtung Dia 80mm Schleifscheibe links Durchmesser 400mm Schleifscheibe rechts Durchmesser 300mm Dodpjyatx Sefx Adgeup Innenschleifspindel HJN 828 hydraulischer Reitstock Mikroverstellung KEL SET Messsystem

Condition: good (used), Year of construction: 1999, operating hours: 16,000 h, functionality: fully functional, machine/vehicle number: 650341, Year 1999 with Fanuc 18 TB – 3 axes XZB Marposs E30/E20 Country of manufacture: Switzerland Voltage: 400V/50Hz/3ph Dimensions: 410 x 220 x 190 cm Net machine weight: 5,000 kg TECHNICAL SPECIFICATIONS CNC control: Fanuc 18TB Intermediate Section Fixed intermediate section: grinding head R Swiveling section with manual indexing 2.5°: R / RS / UR / URS -210° to +30° Swiveling section with automatic indexing 2.5°: R / RS / UR / URS -210° to +30° B axis, resolution 0.1'': R / RS / UR / URS -210° to +30° Standard workhead Swivel range: -10° to (+100°) Spindle speed (continuous): 6 – 600 rpm Internal taper: MT5 Reducing sleeve: MT5/MT4 Short external taper fitting: DIN 55026 / Size 5 Permissible torque: 160 Nm Guaranteed roundness for chuck work Standard: 0.5 µm Option: 0.2 µm Workpiece weight between centers: 150 kg Tailstock Taper fitting: MT4 Quill stroke: 50 mm / 2° Option: fine adjustment with correction (Ø +/- 150 µm) Grinding wheel data (max. speed) Diameter 300: 27 m/s Diameter 400: 35 m/s Diameter 500: 45 m/s UR Grinding Head Power: 9.2 kW / 12.5 HP Wheel mounting, left max.: Ø 500 x 80 mm Right, additional max.: Ø 400 x 63 mm Internal grinding device: spindle HJN 828 Lower table (Z axis) Distance between centers: 1000 mm Max. travel: 1150 mm Max. speed: 15 m/min Max. resolution: 0.1 µm Upper table Distance between centers: 1000 mm / swivel 0° to 9° Grinding carriage (X axis) Max. travel: 320 mm Max. speed: 7.5 m/min Dsdpfsw T Tb Hjx Adgoup Max. resolution: 0.1 µm Pneumatics Min. connection: 6 bar Air consumption: approx. 0.6 m³/h Coolant Max. connection pressure: 3 bar Required space (version 1000): 3600 x 2000 mm Unless otherwise stated, technical data is provided without engagement and may be subject to errors or omissions.

Condition: used, STUDER CT 960 is an Internal grinding machine delivering precision, high accuracy and reliable performance. Working capacities: centre height 150 mm, grinding length 150 mm, X/Z travels 400 mm, wheel diameter 250 mm, spindle hole 35 mm; B-axis +61/-91°, rotatable head -5/+275°, turret with 4 spindles. Main specs: spindle speeds 6000 / 45000 / 60000 / 90000 rpm; X/Z feeds 12 m/min; air 6–10 bar; 3x 400 V 50 Hz; total power 34 kVA; weight ~4050 kg; dimensions L 3218 × W 2256 × H 2300 mm. Equipment: coolant system, measuring probe, diamond redresser, spindle cooling, flanges for internal grinding, tool holders, 3-jaw chucks Ø100/125/160, magnetic chuck Ø125/300, tool cabinet, lamp, fire system, electronic handwheel, external grinding spindle 6000 rpm, calibration accessories. Enables tight tolerances; suited to automotive, watchmaking, machine tools, aerospace and medical sectors. Dedpfx Asxx U Ausdgeup

Condition: used, Year of construction: 2000, grinding diameter 450 mm grinding length 1000 mm centre height 225 mm Photo of machine already delivered in similar scope: -major maintenance -New table geometry -partial painting of the interior grinding wheel equipment LEFT 400x63x127mm (standard) grinding wheel equipment RIGHT 300x40x127mm Internal grinding unit Ø120mm for HF spindles CNC control KELCO 120 C-axis for non-circular grinding. Kel-Poly B-AXIS: CNC-controlled B-axis KELCO 120: v constant 35m/s or 45m/s High-frequency internal grinding spindle Operating unit for MFV and MFZ spindles Hydraulic quill retraction for the tailstock NO micro-adjustment on the tailstock Spring-loaded quill insert Top table cooling Standard workpiece headstock MK 5 DIN 55026 size 5" Micro-adjustment for the standard workhead Dsdpfx Asxzk Nijdgsup Dressing device on the lower table Active longitudinal positioning KELPOS, MARPOSS, mounted on the grinding head Tool measuring system KELSET, MARPOSS MARPOSS gate sensor Measuring control MARPOSS Minialsar prepared Paper belt filter

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 Dsdpfx Ajxx U S Aodgeup

Condition: reconditioned (used), KELLENBERGER KEL-VISTA UR 175X600 is a CNC cylindrical grinder engineered for precision, high accuracy and reliability. Capacity: centre height 175 mm; between centres 800 mm; grinding length 600 mm; max Ø 349 mm; max weight 100 kg. Key specs: Z 750 mm; X 320 mm; left wheel Ø400×80×127, right Ø300×40×127; wheel speeds 875–1900 rpm (stepless); wheel motor 5 kW; work spindle 8–800 rpm (stepless), taper 5 CM; rapid 12 m/min; air 6 bar; 3×400 V 50 Hz; machine ≈3000 kg; 3200×1700×2000 mm. Accessories: coolant, coolant-through-spindle (IKZ), paper filter, MARPOSS probe, MOVOMATIC measuring control, internal grinding attachment, balancing, RS‑232. Suited for tight tolerances in automotive, watchmaking, machine tools, aerospace, medical. Dodpfx Adexx U Tajgoup

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. Duodpfx Adoxx U Hajgop