Used Cometa Cylindrical Grinding Machine for sale (65,857)

Condition: good (used), grinding length: 500 mm, A Studer cylindrical grinding machine of the type RHU 500 is for sale The machine is in good condition and fully operational, the guides show hardly any signs of wear. Technical data Grinding wheel diameter: Ø 250 mm Hodpfeqzh Elox Airofl Sanding length: 500 mm Sanding wheel size: 400 x 50 mm On request, dismantling, loading and transport can be organized throughout Europe for an additional charge Prices plus VAT Glnld8 Viewing possible by appointment. Contact us, our team will be happy to help you. Trade-in or exchange possible! Machines purchase / sale PURCHASE / SALE OF PRODUCTION & METALWORKING MACHINES AND MUCH MORE. Do you need a high-quality but inexpensive metalworking machine for your production? Or do you want to sell yours? For further information or contact options, please visit our website

Condition: used, grinding diameter 350 mm grinding length 1500 mm centre height 175 mm grinding wheel diameter 400 mm grinding wheel width 50 mm bore 127 mm MK5 work piece spindle speed 20-400 U/min grinding head swivelling 360 ° grinding spindle head - swivable 180 + - ° grinding spindle speed 1500,1700,2200 U/min 0-40 mm/Ø 0-40 mm/Ø ±6,5 ° longitudinal feed of the table 1530 mm table speeds 0,02-6 m/min 130 kg 130 inkl. Spannung kg Hjdpfjuxftrjx Airsfl cross travel max. 270 mm 80 mm tailstock quill taper MT 3 quill travel 30 mm total power requirement 6,5 kW weight of the machine ca. 3,05 t dimensions of the machine ca. 4 x 2 m Overhauled according to Kellenberger guidelines including new, modern and future-proof control system. Photo of machine already delivered with special options -Operation via the touch panel is extremely simple. -The symbols on the control panel are practically identical to the original original control system, so there is no need for familiarisation. -Diagnostic function with display of PLC messages and digital I/O -Dressing function can be extended or changed at the customer's request. -Orientated spindle stop of the workpiece spindle possible on request. -New maximum infeed of 40 mm can be extended on request. -Digital display in 2 axes. Resolution x-axis 0.5my Options: -Encoder with digital display in the workpiece headstock -Rotary encoder with digital display in the grinding headstock (no height adjustment with spindle possible) with spindle possible) -New stable internal grinding device diameter 80mm or 100mm with height adjustment. -Increase of the centre height to max. 225mm -Speed control for the grinding spindle Included: -Operating tool -Clamping tube for chuck Further accessories on request. The x-axis of the machine has an electronically controlled infeed system with stepper motor drive. Hydraulic longitudinal and rapid traverse table movement. Versatile application in production for external cylindrical and internal internal grinding or for external, face and internal grinding in one clamping clamping of individual parts. Possible options: -Semi-automatic dressing cycles for external and internal grinding -automatic dressing compensation. -Measuring control

Condition: used, Year of construction: 1970, mechanical ja Hedpfxey Ty N So Airjfl centre distance 2000 mm weight of the machine ca. 7,9 t

Condition: refurbished (used), Year of construction: 2026, center height: 100 mm, center width: 680 mm, total length: 620 mm, grinding diameter: 199 mm, Condition of the machine: The machine is currently in a used, unrevised condition. All wearing parts of the machine are replaced, including the feed spindle in the X-axis, and all assemblies are restored to a new condition. After the revision, the machine is easily comparable to a new machine. Geometry: The machine is completely dismantled except for the guides. Before the geometry of the individual tables and assemblies can be restored, the two guides of the Z and X axes are scraped by hand and restored to a new condition. After the work is completed, the machine receives a measurement report according to the manufacturer's original specifications. Electronics: The electronics and the control cabinet housing are completely replaced. All electrical parts are replaced, including the motors. Hydraulics: The entire lubrication system, including the lubrication unit, is replaced. The hydraulic unit is overhauled and the hydraulic lines are replaced with new lines. Painting: As soon as the geometry of the machine has been restored, it is prepared for repainting. All housings, tables and the machine bed are freed of the old paint, cleaned and repainted. Technical data of the machine: Center height: 100 mm Hjdsv Hqlrepfx Airefl Center width: 680 mm Grinding length: 620 mm Grinding wheel: 350 x 50 x 127 Weight and space requirement of the machine: 2600kg // 2320x1400x1450 mm Machine equipment (standard): • 1 piece grinding headstock Ø35 • 1 piece workpiece headstock MK5 • 1 piece protective cover for discs Ø 400 mm • 1 piece tailstock MK 3 standard • 1 piece flange Ø 127 mm • 1 piece hydraulic unit • 1 set of operating tools and operating instructions

Condition: good (used), Year of construction: 2001, functionality: fully functional, Grinding wheel 508x254 (305) mm, regulating wheel 330x254 (305) mm, regulating wheel speed 0-115 rpm, grinding wheel rotation speed 45 m/sec, grinding diameter 2-150 mm, grinding wheel drive 45 kW, machine weight 6.5 tons, space requirement approx. 3.0x1.5 m Hfsdpfx Aieuy Ifgerjl The machine will be equipped with a new Siemens S7 control system with new control panel, dressing quill SS electrically controlled via servo motor. Machine will be completely checked, defective parts repaired or replaced. Various options possible (KM system, infeed/outfeed, workpiece rulers etc.)

Condition: as good as new (ex-display), Year of construction: 2021, operating hours: 10 h, functionality: fully functional, center height: 135 mm, workpiece weight (max.): 70 kg, grinding length: 600 mm, grinding wheel diameter: 405 mm, grinding diameter: 250 mm, grinding spindle motor power: 3,700 W, overall weight: 3,200 kg, pivoting range: 11 °, The machine is equipped with cycle control and is easy to operate; it can process various automatic cycles involving roughing, finishing, and spark-out, but it does not have CNC control. A grinding wheel, dressing diamond, coolant system, and balancing unit are included. Transport and commissioning are available on request. The machine can be inspected under power; it is new and has only been run for demonstrations, not for cutting operations. Hfjdpfxsxl Uc Ie Airel

Condition: reconditioned (used), Year of construction: 2025, Grinding wheel dimensions (OD x ID x width): Ø508 x Ø304.8 x 305 mm Min/max diameter to be ground: 150 mm Grinding wheel width: 305 mm Maximum plunge grinding length: 305 mm Regulating wheel dimensions (OD x ID x width): Ø330 x Ø203 x 305 mm Regulating wheel motor power: 4 kW Grinding wheel spindle motor power: 37 kW Hydraulic motor power: 2.2 kW Total power: 45 kW Hfsdpfjw R Rq Hox Airjl Length: 3,500 mm Width: 2,500 mm Height: 1,100 mm Weight: 6,500 kg

Condition: excellent (used), Year of construction: 2022, operating hours: 5,000 h, functionality: fully functional, center height in crank: 200 mm, center height: 200 mm, workpiece weight (max.): 100 kg, grinding length: 1,000 mm, workpiece weight between centers: 100 g, workpiece diameter between centers: 400 mm, On behalf of a customer, I am offering this machine, which is in nearly mint condition. It is currently still powered up. The machine is equipped with the following options: Glass linear scales in X and Z axes Electric door drive Integrated wheel change assistant Fanuc 0i TF Blue Solution HMI Back Solution Basic Black CAM Profile Security interface Remote diagnostics via mobile network (4G) Grinding head with automatic 1-degree indexing Grinding head UR 1-2-3 (prepared for HF internal grinding spindle) T1 500; T2 400 mm 3-jaw steady rest Active longitudinal positioning at the head Semi-automatic balancing Hodew Ed D Ropfx Airefl GAP control A brochure for the K 10 can be provided upon request.

Condition: good (used), Year of construction: 2006, functionality: fully functional, center height: 100 mm, workpiece weight (max.): 35 kg, grinding length: 500 mm, grinding diameter: 125 mm, overall weight: 1,800 kg, input voltage: 400 V, For sale: 1 used grinding machine. Manufacturer: Knuth Werkzeugmaschinen GmbH. Model: RSM 500. Year of manufacture: 2006. Technical data: Centre height: 100 mm; Max. grinding diameter: 125 mm; Distance between centres: 520 mm; Max. grinding length: 500 mm; Max. workpiece weight: 35 kg; Internal grinding diameter: 10 - 40 mm; Internal grinding depth: 50 mm; Spindle taper: MK4; Tailstock: MK2; Weight: 1,800 kg. Documentation available. The machine can be inspected at our warehouse in 09599 Freiberg. Hsdpfx Aioxzrvworsfl

Year of construction: 2015, condition: excellent (used), On behalf of a client from Switzerland, I am offering this machine for sale. It has 5,200 operating hours and is in excellent condition. Used for prototype construction, currently in operational condition. Equipped with: Grinding head UR T1 500 x 80; T2 400 x 63 1 internal spindle HF MFM 1224/42 1 internal spindle HF MFM 1290 Semi-automatic balancing device Hsdpsgtingjfx Airjfl KEL-TOUCH on the workpiece spindle head for internal and external grinding KELSET grinding wheel measuring system KELPOS longitudinal positioning Heidenhain CNC GrindPus 640 CNC B-axis, hydrostatic CNC C-axis for polygon and thread grinding KELSOFT NCG for non-circular grinding KELTHREAD for thread grinding KELREMOTE for remote diagnostics Prepared for measuring controls Paper band filter Streuli 480 l Extraction system Available for immediate delivery from Switzerland.

Condition: ready for operation (used), Year of construction: 2004, functionality: fully functional, • Year 2004 • In our possession since 06/2023 • Complete gripper setup, with two modified grippers for Ø14 and Ø16 • Automated pallets for Ø3-4-6-10-12 • Various grinding wheels for roughing and finishing, some new, for both metal and HSS • Parkair electrostatic dust extractor • New user interface keyboard (3-4 years old) • New workpiece rotation belt (to be replaced in 2025) Hodpfx Aiszcvakjrjfl • Less than 100 operating hours since 2023 • Dedicated Transor filtration tank, year 2007, maintained with filter replacement and complete functionality check, with service performed in 07/2023 (over €3000 + VAT), less than 100 operating hours since maintenance -separate sale can be considered- • Price for machine + filtration system: €40,000

Condition: excellent (used), Year of construction: 2001, center height: 525 mm, workpiece weight (max.): 5,000 kg, grinding length: 4,000 mm, grinding wheel diameter: 1,060 mm, The machine underwent a retrofit in 2024. Control: Siemens Sinumerik 840D. Hfedpfsw Ngm Uex Airjl

Year of construction: 1994, condition: ready for operation (used), Grinding length: 650mm, center height: 125mm, grinding wheel dimensions X/Y/Z: 406mm/60mm/127mm, peripheral speed: 45m/s, spindle power: 4kW, travel X/Z: 210mm/810mm, feed rate: 8m/min, table swivel: 8°, speed: 5000rpm, tool spindle head swivel: -30°/90°. Machine dimensions X/Y/Z: approx. 3600mm/2850mm/2200mm, weight: approx. 4000kg, control: Siemens Sinumerik. The X-axis spindle and the scale were renewed. Including Movomatic measuring system and accessories. Documentation available. On-site inspection is possible. Hfjdpfx Aeyf I Hbsirjl

Condition: used, Year of construction: 2008, Here are some key details: - CNC universal cylindrical grinding machine WUG 21 base machine by CNC-Technik Weiss. (The WUG 21 features a Karstens machine bed on which the CNC system is mounted.) - Year of manufacture: 2008 / operated in single-shift use only - 1000 mm between centers - Workpiece spindle headstock and tailstock MK4 - Wheel diameter up to 500 mm - Wheel mounting at a 26.5° angle - Grinding wheel drive with programmable SUG - Grinding spindle headstock manually swivellable on air cushion - Wheel positioned on the right - Internal grinding attachment mounted at the rear, including dressing device - Eckelmann control system - DIN programming - Cycle programs - Manual grinding: yes - Automatic dressing - Marposs acoustic emission monitoring for external grinding wheel, including software package Hfedpfx Aoxmurxsirsl - Grinding wheel spindle and workpiece spindle driven by V-belt drive

Condition: used, grinding diameter 450 mm grinding length 1000 mm centre height 225 mm Fotos von bereits gelieferten Maschinen. Mechanische Überholung: -komplette Maschine nach Kellenberger Messprotokoll überholt -Neue servicefreundliche Kabine -Neulackierung Elektrische Überholung: -FANUC Steuerung mit BLUE-SOLUTION -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) Fotos von bereits gelieferter Maschine mit anderen Optionen. Hodezkvucopfx Airjfl Schleikopfvariante UR/RS: -Schleifscheibenanordnung für Aussen -und für Schrägeinstichschleifen hintereinander! -Dadurch jeweils 400mm Scheibendurchmesser! -Dadurch wesentlich geringere Kollisionsgefahr -Einfacheres programmieren -Schleifscheibenausrüstung jeweils 400x63x127mm -Einrichtung zum Betrieb einer HF-Spindel -Spindel optional gegen Aufpreis -B-Achse CNC gesteuert zum Aussen-Plan- und Innenschleifen in einer Aufspannung. Schwenkbereich +10°/-270° -C-Achse zum Polygonschleifen -Unterteil fest -Schleifkopfmotor 10,0 KW -Reitstock -Marposs Messsystem zur Schleifscheibenvermessung. -Längspositionierung Marposs

Year of construction: 2001, condition: excellent (used), Cylindrical grinder Grinding width 64 cm Grinding height 10.5 cm Two rollers. Hfsdpfx Ajmicz Toirjl 3.7 kW motor

Condition: refurbished (used), Year of construction: 2023, operating hours: 3,000 h, functionality: fully functional, center height: 180 mm, workpiece weight (max.): 200 kg, grinding length: 1,000 mm, center width: 1,000 mm, grinding wheel diameter: 500 mm, total width: 2,600 mm, total length: 4,700 mm, total height: 2,200 mm, grinding diameter: 300 mm, workpiece weight between centers: 200,000 g, type of input current: three-phase, workpiece diameter between centers: 300 mm, workpiece length between centers: 1,000 mm, grinding wheel width: 100 mm, spindle speed (max.): 1,200 rpm, spindle speed (min.): 10 rpm, feed length X-axis: 320 mm, feed length Z-axis: 1,100 mm, feed rate X-axis: 1,000 m/min, feed rate Y-axis: 1,500 m/min, grinding spindle speed: 1,700 rpm, overall weight: 7,500 kg, pivoting range: 30 °, warranty duration: 12 months, year of last overhaul: 2023, input frequency: 50 Hz, rapid traverse X-axis: 1,000 m/min, rapid traverse Z-axis: 1,500 m/min, input voltage: 400 V, Schaudt PF43 U1000, manufactured in 1994, retrofitted (premium refurbished) by GSN in 2023. Siemens Sinumerik 840 D SL control system. Low operating hours, approximately 3000 hours since the retrofit. MK4 workpiece spindle, MK4 tailstock. Grinding travel: 300mm Workpiece length, including clamping devices, at maximum grinding travel: 450mm Grinding wheel dimensions: 500x100mm Bore diameter: 203.2mm Controlled workpiece circumferential speed (WUG) SUG external cylindrical grinding spindle: 45m/s Freely positionable, automatic B-axis Machine with new, fully enclosed splash guard GSN measuring head Diatronic 22 including C2 and W axes/turret Touch probe sensor with hydrophone (water jet) including collision monitoring Tailstock retrofitted with automatic cylinder error compensation Clamping/unclamping adjustable via hydraulic clamping device Hodpfx Aszcfnqeirsfl Upgrade to a 15" screen on the control panel NEW PRICE GROSS 2023: €407,432.20 plus additional tools, etc.

Year of construction: 1955, condition: ready for operation (used), A conventional internal cylindrical grinding machine Fortuna is available. Center distance: 1500mm, center height: 225mm, max. workpiece diameter: 450mm, max. workpiece weight: 300kg, grinding wheel diameter: 450mm, grinding wheel width: 80mm, bore: 203mm, speed: 265rpm, machine dimensions X/Y/Z: approx. 3450mm/1450mm/1550mm, weight: approx. 4000kg. Documentation available. On-site inspection is possible. Hfodpfoyg Nvtex Airel

Condition: used, Technical details: grinding length: 600 mm centre height: 180 mm swing dia.: 360 mm workpiece weight: 80 kg Hfodorkr U Eepfx Airjl max. dia. of grinding wheel: 500 mm grinding wheel width: 80 mm grinding wheel hole diameter: 203,2 mm peripheral speed: 45 m/sec There is also a 3200 liter coolant tank including cooling unit + fire extinguishing system. *

Condition: reconditioned (used), Year of construction: 2003, functionality: fully functional, machine/vehicle number: 055 - 030.0221, Complete overhaul Year 2003 - Fanuc 16i-T Center height 175 mm and distance between centers 650 mm 2 external grinding wheels + B-axis fine adjustment Country of origin: CH Voltage: 3x400V Dimensions: 3680x2165x2100 mm Net machine weight: 5500 kg TECHNICAL SPECIFICATIONS Center height: 175 mm Distance between centers: 650 mm LONGITUDINAL SLIDE (Z) Maximum travel: 800 mm Speed: 0.001 – 10,000 mm/min Resolution: 0.0001 mm TRANSVERSE SLIDE (X) Maximum travel: 254 mm / SPW 650 Hodpfx Aiszbaz Aerefl Speed: 0.001 – 5,000 mm/min Resolution: 0.0001 mm Maximum weight of workpiece clamped between centers: 80 kg TAILSTOCK Taper: Morse 3 Sleeve: Ø 50 mm Sleeve travel: 35 mm UNIVERSAL GRINDING WHEEL HEAD Left wheel dimension: 500 x 80 x 203 mm Right wheel dimension: 400 x 80 x 203 mm Grinding wheel head power: 12.5 kW Rotation speed: 3,200 min-1 Programmable cutting speed up to: 50 m/s B-axis travel: -15 to +195° B-axis indexing accuracy: 0.0001 ° LEFT WORKPIECE HEAD Taper: CM3 Power: 4 kW Rotation speed: 1-1000 min-1 C-axis indexing accuracy: 0.001 ° RIGHT WORKPIECE HEAD Taper: CM3 Power: 4 kW Rotation speed: 1-1000 min-1 C-axis indexing accuracy: 0.001° Hydraulic feed with pressure control Subject to errors and omissions, the technical specifications are provided without commitment. Inventory No. 2250029: STUDER S31 CNC, S/No. 055 - 030.0221 Completely overhauled: Mechanical, geometry, hydraulics, and electrical components (checked and/or replaced) Grinding wheel head Disassembly, cleaning of parts, replacement of worn and defective parts, overhaul of the motor, replacement of bearings, replacement of belts, spindle disassembly, replacement of seals and O-rings + adjustment. New paint. Workpiece head Disassembly, cleaning of parts, replacement of worn and defective parts, overhaul of the motor, replacement of belts. New spindle bearings. New paint. Tailstock Disassembled, inspected, overhauled Hydraulics Disassembly, motor check, replacement of pipes, defective and worn parts. Check the hydraulic block. X-axis Disassembly, replacement of worn parts such as O-rings, seals, segments, etc., overhaul of the hydraulic piston, re-grinding of the tables. Z-axis Disassembly, re-grinding of the tables, replacement of worn and defective parts, overhaul of the hydraulic piston, new paint. Electrical cabinet Complete check, replacement of various relays. Paint Colors: White RAL 9003 and gray RAL 7011 Geometry according to manufacturer's protocol. Inspection and cleaning of various accessories.

Condition: used, Year of construction: 2017, Technical details: grinding diameter: 280/320 mm Hfodpfxsttxg Sj Airjl grinding length: 750 mm 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: good (used), Year of construction: 2009, functionality: fully functional, Travel distances Max. grinding diameter: 500 mm Max. grinding length: 2000 mm Max. workpiece weight: 500 kg between centers Swiveling of grinding head: +45 / -15° (manual) Grinding wheel: 500/80/203 mm Hsdsy Idtqspfx Airofl Accessories: - Steady rest - Enclosure A video of the machine under power can be provided upon request.

Year of construction: 1975, condition: ready for operation (used), machine/vehicle number: M-27 738, Center hight: 165 mm Center width/grinding length: 1000/1075 mm Gr. Grinding diameter: 250 mm Table swivel: +/- 8° Gr. Table longitudinal movement: 1210 mm Workpiece spindle stick swivel: 0 - 90° Spindle bore/cone: 38 mm/MK 5 Grinding spindle stick easily swivelling Hydr. Quick adjustment approx.: 50 mm Grinding wheel dimensions: 400 x 50 x 127 mm 2 grinding wheel speeds due to V-belt step disc Drive power: 3 kW Space requirement: 2900 x 2200 x 1750 mm Weight: approx. 3.5 t Hfoded Rv Rbepfx Airjl

Condition: good (used), Description Grinding diameter: 350 mm Grinding length: 1000 mm Center height: 180 mm Control: Fanuc 180-T Grinding wheel width: 80 (100) mm Grinding wheel diameter: 450 mm Grinding wheel motor power: 7.5 kW Table speed: continuous 10 m/min Swiveling grinding wheel head: ° Speed range (workpiece spindle): 10 - 800 rpm Swiveling workpiece head: 0 - 15° Maximum workpiece weight: 120 kg Tailstock mounting taper: MK 4 Tailstock quill travel: 35 mm Operating voltage: 400 V Total power consumption: 18 kW Machine weight (approx.): 6.5 t Dimensions (approx.): 3.75 x 2.25 x 1.80 m - Factory number: 6769 - Universal external grinding machine with attachment for internal grinding - B-axis controlled for automatic swiveling of the grinding wheel head Hfsdpezmmthefx Airol

Condition: as good as new (ex-display), Year of construction: 2026, Karstens K11 1000 Premium Retrofit Cylindrical Grinding Machine Manufacturer: Karstens Technical Data: Center distance: 1100 mm Center height: 180 mm / (250 mm = Option) Workpiece weight: 100 kg unsupported, 300 kg between centers Grinding wheel diameter: 400 mm or 500 mm (external grinding wheel) Workpiece spindle: MK 4, infinitely variable speed adjustment 30-450 rpm, swivel range 0 - 90° Tailstock: MK4, quill stroke 45 mm Quill force: 200-600 N manually, (up to 2500 N possible, adjustable = Option) Table tilt: 10 degrees Adjustment travel of feed spindle: 80 mm Rapid traverse: 50 mm Rough adjustment with air cushion: 280 mm Grinding spindle motor (external): 4 KW / (5.5 KW = Option) Infinitely variable speed adjustment of the grinding wheel with potentiometer Grinding spindle motor (internal): 2.2 KW Workpiece spindle motor: 1.1 KW Hydraulic motor: 1.5 KW Lubrication motor: 0.1 KW Hydraulic tank: 80 liters Machine weight: Net 3800 kg Feed drive via DC motor Air cushion-assisted rapid adjustment of the grinding spindle stock Hfsdpfx Aisiv Au Eerel for quick and safe approach to the grinding position. Separate drive for the spindles for external and internal grinding. Fully automatic operating sequence, feed movement via wind rose switch: Rapid traverse forward, rapid traverse backward, grinding operation, feed stop, incremental feed. Automatic longitudinal grinding cycle Central coolant supply for all grinding points Workpiece spindle stock with infinitely variable drive with a rotating and lockable spindle. New digital feed control with Siemens panel and Siemens PLC for longitudinal grinding and plunge grinding, input for retraction, feed amounts, feeds, dwell times, rapid traverse distances, compatible with the old Karstens feed control, with a color Siemens touch panel, scale in X and Z axis, manufacturer HEIDENHAIN. Similar to Weiss/EMAG/GP cylindrical grinding machines/Studer/Kellenberger/Schaudt/Tschudin/Tacchella/Dannobat /Bahmüller/Fortuna