Cylindrical grinding machine

Karstens

Condition: good (used), Year of construction: 1996, functionality: fully functional, grinding length: 1,000 mm, External cylindrical grinding machine KARSTENS K29 Year of manufacture: 1996 The machine underwent a complete mechanical overhaul in 2022. Invoices are available. Grinding length: 1,000 mm Grinding diameter: Accessories: - Coolant system - Various grinding wheels - Measuring probe Iedpozfgvasfx Acdsth Further details to follow.

Condition: used, Year of construction: 2006, functionality: fully functional, center height in crank: 1,100 mm, workpiece weight (max.): 180,000 kg, grinding length: 11,000 mm, grinding wheel diameter: 1,066 mm, total length: 11,700 mm, quill travel distance: 11,700 mm, workpiece weight between centers: 180,000 g, distance between centers: 11,700 mm, POMINI CNC Roll Grinder Model HD-425-2-7L Siemens 840D, 12 Axes. Built in 2006. Two flatbed system grinding and workpiece ways are separate. Machine accuracy. Straightness 0.001-0.002 mm/m. Roundness 0.001-0.002 mm. Eccentricity 0.002 mm. Profile for crown height up to 0.1 mm ±0.002 mm/m. Surface finishing without chatter marks and no feed marks after finishing grinding stage. On an independent bed: Auto Caliper Diameter 870 - 2,250 mm. Eddy current crack and bruise detector probe. Ultrasound depth probe up to 180 mm. High Pressure wheel cleaner. Wheel dynamic balancing electromagnetic automatically or manually. Wheel dressing device with diamond. 2 Hydrostatic Steadies. 2 Hydrodynamic Steadies. 4 Soft landing for roles. Wheel quick change device incl motor. Jib crane. Vibration Measurement, recording on: Headstock base Neckrests Foot stock Wheel head Wheel head back Carriage Lateral side. Working Capacity. Grinding length 11,000 mm Max diameter with 1,066 mm Grinding wheel 2,200 mm Min diameter with 1.066 mm Grinding wheel 800 mm Center distance 11,700 mm Max Roll weight 80 Tons Max Roll weight with Steadies 180 Tons Min distance between wheel center and roll axis 845 mm Max distance between wheel center and roll axis 1,635 mm Carriage Axis Z, Hydrostatic Feeds, Infinitely variable 0-6,000 mm/min Oil film thickness 0.020 mm Distance between carriage ways 1,500 mm Ways width 160 mm Total length of the carriage on ways 3,385 mm Wheelhead on Carriage Axis X, Wheel Probe Axis A, Inspector Axis A1, Wheelhead cross travel Ballscrew, Axis X 940 mm Resolution axis X 0.0001 mm Wheel Spindle length 1,695 mm Spindle bearing, hydrostatic, diameter 254 mm Resolution Infeed micrometer handwheel, Axes X 0.00001 mm / division Continuous wheel infeed, U axis on radius 0 - 0.35 mm/min Rapid wheel indeed, axes X 0-830 mm/min Wheel motor, AC 130 kW Wheel Speed 400-1,100-1,600 rpm Wheel Cutting Speed infinitely variable Surface speed wheel diameter 1,066 mm 45 m/sec Surface speed wheel diameter 670 mm 45 m/sec Wheel hole, diameter 508 mm Wheel thickness 76 - 152 mm Wheel diameter 670 - 1,066 mm Itjdswdmy Sjpfx Acdjh Crowning, Axis U. Max crown on the diameter 10 mm Max concavity on the diameter 10 etc Head stock Workpiece rotating speed 5 - 50 rpm Headstock motor 200 kW Max transmissible torque 76.5 kNm Faceplate control system V Belts Max Center diameter, metric type 160 mm Stroke of Quill 150 mm Length of headstock 3,110 mm Tail stock Quill diameter 260 mm Stroke of quill 750 mm Maximum center diameter, metric type 160 mm Taper Metric 5% on the diameter Tailstock length 1,300 mm Stroke of tailstock 8,000 mm Caliper, Arm Axis C, Carriage Axis V, Rotation Axis B. Max measurable diameter 2,250 mm My measurable diameter 870 mm Machine Dimensions. Machine weight 130 tons Length 19.5 m. Width 5.5 m. Height 3.2 m. Foundation depth 3.8 m.

Condition: used, functionality: fully functional, Grinding wheel flange with counter flange and balancing weights two-part, consisting of • Flange cone for mounting with cone, marked 508x10 - 90x203.2 and 015 022 001 0 • Counter flange, marked 610x10 - 110x203.2 and 015 333 001 0, as well as mounted adjustable balancing weights Precision grinding wheel mounts for external cylindrical grinding machine Karstens K56, wheel bore H 203.20, large cone 60 mm Iodpfx Acsy Nlh Eedsth 3 grinding wheel flanges with counter flange and balancing weights available The flanges are used. Price negotiable. Our asking price is €540.00 net, ex works, plus packaging costs. All technical data is subject to typographical errors and omissions. Sale exclusively to countries within the EU.

Condition: good (used), Year of construction: 1989, functionality: fully functional, center height: 180 mm, grinding length: 1,000 mm, grinding wheel diameter: 400 mm, Round grinding machine KARSTENS K11 Control: hydraulic, manual Grinding length: 1000 mm Grinding diameter: 360 mm Grinding wheel diameter: 400 mm Peripheral speed: 35 m/s Drive power: 5.5 kW Spindle diameter: 60 mm Itodpfezbhkxjx Acdoh Tailstock arbor: MK 4 Swiveling stroke: Y-axis: Belt filter system Digital display

Year of construction: 1971, condition: used, Technical details: max. wheel diameter: 300 mm max. module: 5 module min. : 0,5 max. workpiece weight: 60 kg weight of the machine ca.: 4,0 t dimensions of machine: 1800x1850x2500 mm dimensions electric cabinet: Nr. 1: 1930x400x1920 mm dimensions electric cabinet: Nr. 2: 800x230x1950 mm dimensions:: Abluftanlage: 1400x700x560 mm dimension cooling device LxWxH: 1,2 x 1,0 x 0,45 m Electronically controlled tooth flank grinding machine up to module 5 and a Ø of 240 - 300 mm feed speed per workpiece revolution infinitely variable 0.4 - 3.2 mm max./min. Number of teeth: 130 / 12 max./min. Pressure angle: 30° / 14°30` max./min. Spiral pitch with 24 teeth: 6000 / 200 mm max. tooth helix angle, both sides: 45° Speed of the grinding worm: 1900 rpm without dressing device Equipment: approx. 77x change transmission wheels, pipe extensions and various tools Two of these machines are for sale. Both machines are supplied via two common control cabinets and an exhaust air system. Itjdpfxjvc Apbs Acdjh *

Condition: used, Year of construction: 2003, Technical details: grinding length: 1500 mm centre height: 325 mm weight of the machine ca.: 12 t Karstens EMAG H310 Universal Grinding Machine Year of manufacture: 2004 Center distance: 1500 mm Isdox Hgiljpfx Acdjth Center height: 325 mm Reinforced workpiece spindle, load capacity up to 250 kg Driven C-axis for polygon, thread, and eccentric grinding. 3 individually mounted grinding spindles. Siemens 840D control system *

Condition: repair required (used), Type AS - 900 Machine No. 74054 Centre distance 900 mm Centre height 150 mm Max. grinding wheel 400 x 80 x 127 mm Centre height 150 mm Iodey St Irspfx Acdoth Centre distance 900 mm ..... Condition: The machine cannot be switched on! The following applies to this machine: Condition unknown! Scope of delivery as per attached images ....

Condition: good (used), GENERAL CHARACTERISTICS Max. Ø to be ground 120 mm Grinding wheel width 250 mm Minimum Ø to be ground 1 mm Ø drive grinding wheel 304 mm Ø working wheel 508 mm DIMENSIONS AND WEIGHT Itjdpfx Acjrpnf Ajdeh Height 1,700 mm Width 1,500 mm Length 2,750 mm Weight 4,000kg ELECTRICAL CHARACTERISTICS Grinding head motor power 15 Kw Spindle head motor power 1,8kw Hydraulic motor power 1,1kw Total power 20 kW Voltage 220/380 V

Condition: as good as new (ex-display), Year of construction: 2026, Karstens K11 650 Premium Retrofit Cylindrical Grinding Machine Manufacturer: Karstens Technical specifications: Centre distance: 750 mm Centre height: 180 mm / (250 mm optional) Workpiece weight: 100 kg (between centres) – 250 kg (supported between centres) Grinding wheel diameter: 400 mm or 500 mm (external grinding wheel) Workpiece spindle: MT 4, stepless speed adjustment 30–450 rpm, swivel range 0–90° Tailstock: MT 4, quill stroke 45 mm, quill offset adjustment Quill force: 200–600 N manual, (up to 2500 N adjustable as option) Table swivel adjustment: 12.5 degrees Itjdpfeiv Audox Acdeh Cross slide travel: 80 mm Rapid traverse distance: 50 mm Coarse adjustment with air cushion: 280 mm External grinding spindle motor: 4 kW / (5.5 kW optional) Stepless speed setting of the grinding wheel via potentiometer Internal grinding spindle motor: 2.2 kW Workpiece spindle motor: 1.1 kW Hydraulic motor: 1.5 kW Lubrication motor: 0.1 kW Hydraulic tank: 80 litres Machine weight: Net 3,500 kg Feed drive via DC motor Air-cushioned rapid adjustment of the grinding spindle head for fast and precise positioning. Separate drive for external and internal grinding spindles. Fully automatic operation, feed movement controlled via handwheel switch: rapid feed, rapid return, grinding operation, feed stop, mym-feed. Automatic longitudinal grinding cycle Central coolant supply for all grinding zones Workpiece headstock with steplessly adjustable drive, with live and lockable spindle. Digital feed control with Siemens panel and Siemens PLC for plunge and traverse grinding, input for retraction, infeed values, feed rates, spark-out times, idle strokes, compatible with traditional Karstens infeed control, with colour Siemens touch panel. Scale in X and Z axis by HEIDENHAIN. Comparable with Weiss / EMAG / GP cylindrical grinders / Studer / Kellenberger / Schaudt / Tschudin / Tacchella / Dannobat / Bahmüller / Fortuna.

Condition: excellent (used), Year of construction: 1980, Karstens K11 1000 This Karstens K11 comes from a university environment and was only used very sparingly. All cables and hoses in the wet area have been replaced. It has extremely low operating hours. As we specialize in Karstens cylindrical grinding machines, we can offer you full service (electrical and mechanical) for the machine after purchase. Technical Data: Centre distance: 1000 mm Centre height: 180 mm Workpiece weight: 70 kg (between centers, cantilevered), 250 kg (between centers) Grinding wheel diameter: 400 mm Workpiece spindle: Morse Taper 4, infinitely variable speed 30–450 rpm, swiveling range 0–90° Tailstock: Morse Taper 4, quill stroke 45 mm Tailstock rest beside Z-axis table Quill force: 200–600 N Table swivel: 12.5 degrees Travel of infeed spindle: 80 mm Itsdoh Rit Espfx Acdeh Rapid traverse: 50 mm Coarse adjustment air cushion: 280 mm External grinding spindle motor: 4 kW Internal grinding spindle motor: 2.2 kW Workpiece spindle motor: 0.55 kW Machine weight: net 3,500 kg Infeed drive by DC motor Air cushion-supported rapid adjustment of the grinding spindle headstock for fast and safe positioning at the grinding station. Separate drives for spindles for external and internal grinding. Fully automatic operation cycle, feed movement controlled via rotary switch: Rapid advance, rapid retraction, grinding mode, feed stop, mym-feed adjustment. Automatic longitudinal grinding cycle Central coolant supply for all grinding stations Workpiece headstock with infinitely adjustable drive for rotating and lockable spindle. Infeed control for longitudinal grinding and plunge grinding, settings for retraction, feed amounts, feeds, spark-out times, idle strokes. Digital readout for X-axis by Heidenhain Paper band filter unit can be offered on request. Comparable to Weiss/ EMAG/ GP-cylindrical grinders/ Studer/ Kellenberger/ Schaudt/ Tschudin/ Tacchella/ Dannobat

Condition: used, WEBSTER & BENNETT EV 36” HIGH SPEED VERTICAL BORER Itsdpfx Ajxp Na Njcdoh MAKE WEBSTER & BENNETT, MADE IN ENGLAND MODEL EV 36” TABLE DIA 915 mm SWING 1168 mm HEIGHT UNDER RAIL 533 - 1016 mm SPEED 13.5 - 300 rpm FEED RATE 0.005-0.250 inch/min MAIN SPEED 40 HP PLUS HIGH SPEED TAABLE EV SERIES MACHINE ELEVATING RAIL SAFETY GAURDING SET OF JAWS FULLY FUNCTIONAL GOOD SLIDES

Condition: as good as new (ex-display), Year of construction: 2026, Karstens K11 1000 Premium Retrofit Cylindrical Grinding Machine Manufacturer: Karstens Isdpfx Acoiv Au Eodoth Technical specifications: Centre distance: 1100 mm Centre height: 180 mm (250 mm optional) Workpiece weight: 100 kg between centres (unsupported), 300 kg between centres Grinding wheel diameter: 400 mm or 500 mm (external grinding wheel) Workpiece spindle: MT 4, infinitely variable speed control 30–450 rpm, swivelling range 0–90° Tailstock: MT4, quill stroke 45 mm Quill force: 200–600 N manually, (up to 2500 N adjustable, option) Table swivel: 10° Cross slide travel: 80 mm Rapid traverse: 50 mm Coarse adjustment (air cushion): 280 mm External grinding spindle motor: 4 kW (5.5 kW optional) Infinitely variable grinding wheel speed adjustment via potentiometer Internal grinding spindle motor: 2.2 kW Workpiece spindle motor: 1.1 kW Hydraulic motor: 1.5 kW Lubrication motor: 0.1 kW Hydraulic tank: 80 litres Net machine weight: 3,800 kg Infeed drive via DC motor Air cushion-supported rapid adjustment of the grinding spindle head for fast and safe positioning to the grinding position. Separate drive for the spindles for external and internal grinding. Fully automatic operation, infeed movements controlled via rotary selector switch: rapid advance, rapid return, grinding mode, infeed stop, micrometre infeed. Automatic longitudinal grinding cycle Central coolant supply to all grinding points Workpiece headstock with infinitely variable drive for rotating and lockable spindle. New digital infeed control with Siemens panel and Siemens PLC for traverse and plunge grinding; input for retraction, infeed amounts, feed rates, spark-out times, idle strokes; compatible with the original Karstens infeed control; with coloured Siemens touchscreen; HEIDENHAIN scales in X and Z axes. Comparable to Weiss/EMAG/GP cylindrical grinding machines/Studer/Kellenberger/Schaudt/Tschudin/Tacchella/Dannobat /Bahmüller/Fortuna

Condition: new, We offer you spare parts of all kinds for your conventional or CNC Karstens / EMAG WEISS / GP cylindrical grinding machine—covering your tailstock, workpiece headstock, grinding spindle headstock, ball screw spindles, glass scales, grinding wheel flanges, drive motors, axis drives (BOSCH SIEMENS), ECKELMANN controls, bellows, bearings, K11/K21 infeed controls (new and used), as well as Z-axis reversing blocks for exchange. We service machines from year of manufacture 1955 onwards: ASA-ASE-K10-K11-K12-K13-K16-K19-K21-K22-K23-K24-K25-K26-K27-K28- K29-K33-K35-K37-K50-K51-K52-K53-K57-W11-W21-GP cylindrical grinding machines—all assemblies based on Karstens design. Itodeup Aikjpfx Acdeh Comparable/ EMAG-WEISS/ GP cylindrical grinding machines/ Studer/ Kellenberger/ Schaudt/ Tschudin/ Tacchella/ Dannobat.

Condition: used, Year of construction: 2017, grinding length 1500 mm centre height 180 mm Isdpfxewm Rqgs Acdeth weight of the machine ca. 3,9 t dimensions of the machine ca. L: 4900 x 1650x 1800 m

Condition: as good as new (ex-display), Year of construction: 2026, Center height: 181 mm Center distance: 650 mm Maximum grindable workpiece diameter: 360 mm Max. load (overhung): 1000 N / 100 kg Max. load (between centers): 3000 N / 300 kg Z-axis Table swivel angle: 10° Table drive hydraulic: 0–4 m/min Itjdpfotqf Sqox Acdsh X-axis Cross slide travel: 80 mm Rapid traverse (hydraulic): 50 mm Coarse positioning—air cushion: 280 mm Infeed drive via DC motor Rapid feed rate: 48 mm/min/Ø Infeed process: Plunge / Longitudinal grinding 4 pre-selectable feed rates: mm/min/Ø 0.01–48 4 pre-selectable infeed increments: mm/ 0.001–0.1 Spark-out during end stop grinding: s 0–99 / 0–99 strokes Jog infeed: mm/Ø 0.001 Grinding spindle headstock—universal, swiveling: degrees 0–180 Grinding wheel (external): D x width x bore mm 500x100x127 or 203.2 Grinding wheel (face, option): D mm 250x32x76.2 Grinding wheel (internal, option): D mm (2–250) Drive power (external, face): kW 5.5 (7.5) Drive power (internal): kW 2.2 Peripheral speed (external): m/s 35 (50) Grinding wheel wear (external): mm/Ø 160 Wheel guard width: mm 100 Grinding spindle diameter: mm 60 Internal spindle mount: mm 80 (100) Workpiece headstock: Infinitely variable drive, MK 4: 1/min 30–270/ 50–450 Workpiece spindle lockable Spindle mount: mm MK 4/24 Spindle nose for flange mounting: MK 4 mm cylindrical Ø63H6 x 6 Workpiece headstock swivels on the rotary part: degrees 0–90 Tailstock: Quill mount / quill diameter: mm MK 4/750 Quill stroke mm: 45 Quill force N: 100–800 / 250–1400, adjustable Quill actuation: manual (foot switch) Quill fine adjustment: ±40μm Connections: Total power requirement of the machine: kW 6.5–10 Grinding spindle headstock: kW 5.5 (7.5) Workpiece headstock: kW 0.55 (1.1) Coolant cleaning: kW 0.75–2.2 Guideway lubrication pump: kW 0.1 Hydraulic pump: kW 1.5 Hydraulic tank: liters 80 Pneumatics: bar 6 Similar to Weiss/ EMAG/ GP cylindrical grinding machines/ Studer/ Kellenberger/ Schaudt/ Tschudin/ Tacchella/ Dannobat/ Bahmüller/ Fortuna