Cylindrical Grinding Machine - Universal

KARSTENS K11

Condition: new, We offer all types of spare parts for your conventional or CNC Karstens/GP cylindrical grinding machine, including components for your tailstock, workpiece spindle head, grinding spindle head, ball screws, glass scales, grinding wheel flanges, drive motors, axis drives (BOSCH SIEMENS), bellows, bearings, K11/K21 infeed control systems—new and used—as well as reversing blocks for the Z axis on an exchange basis. Also suitable for similar Weiss/EMAG/GP cylindrical grinding machines, Studer, Kellenberger, Schaudt, Tschudin, Tacchella, Dannobat, Bahmüller, Fortuna. Iiedpfxoraibvj Akxoa

Condition: like new (used), Year of construction: 2005, functionality: fully functional, turning length: 450 mm, spindle speed (min.): 25 rpm, spindle speed (max.): 6,000 rpm, travel distance X-axis: 213 mm, travel distance Z-axis: 450 mm, rapid traverse X-axis: 24 m/min, rapid traverse Z-axis: 30 m/min, bar passage: 65 mm, Siemens 840 D CNC Working area Ijdpsw Adhwefx Akxsia Max. swing diameter on bed 505 mm Swing diameter on X-slide 375 mm Chuck diameter 210 mm Bar capacity 65 mm Transverse travel (X) 213 mm Longitudinal travel (Z) 450 mm Feed rates X/Z-axis rapid traverse 24/30 m/min Main spindle Spindle nose (flat flange) 140 h 5 mm Internal diameter of front bearing 100 mm Spindle motor power (40/100% DC) 16/12 kW Torque (40/100% DC) 153/115 Nm Spindle speed 25 - 6.000 rpm Tool turret Number of tool stations 12 Of which motorized 12 Shank diameter (according to DIN 69880) 30 mm Motor power (40% DC) 9 kW Maximum torque (40% DC) 20 Nm Maximum speed 4.500 min-1 Tailstock Tailstock stroke, automatic 450 mm Center point attachment 4 CM Tailstock thrust, max 400 daN Machine equipment: • Chip conveyor • Provision for fume extractor • 2 axial motorized modules • 4 radial motorized modules • Fixed tool holders

Condition: refurbished (used), Year of construction: 2026, Karstens K11 1000 Full Equipment The cylindrical grinding machine has been completely overhauled by PS-Karstens. The machine has been tested and is in very good condition. Since we specialize in Karstens cylindrical grinding machines, we can offer you comprehensive service (both electrical and mechanical) for the machine after purchase. Technical Data: Centre distance: 1000 mm Centre height: 180 mm Workpiece weight: 100 kg (unsupported), 250 kg (between centers) Grinding wheel diameter: 400 mm Workpiece spindle: MT 4, steplessly adjustable speed 30–450 rpm, swiveling range 0 - 90° Tailstock: MT4, quill stroke 45 mm, fine adjustment for the quill Quill force: 200-600 N, hydraulically operated via foot pedal Table swivel angle: 10 degrees Infeed spindle travel: 80 mm Rapid traverse travel: 50 mm Coarse adjustment with air cushion: 280 mm Iijdpfx Akeh Riwdsxea External grinding spindle motor: 4 kW Internal grinding spindle motor: 2.2 kW Workpiece spindle motor: 0.55 kW Machine weight: net 3,800 kg Infeed drive by DC motor Air cushion assisted rapid adjustment of the grinding spindle headstock for fast and safe positioning of the grinding position. Separate drive for spindles for external and internal grinding. Fully automatic operation cycle, infeed motion via star dial switch: Rapid approach, rapid return, grinding mode, infeed stop, micron infeed. Automatic longitudinal grinding cycle Central coolant supply to all grinding positions Workpiece headstock with steplessly adjustable drive for live and lockable spindle operations. Infeed control for longitudinal and plunge grinding, input for retraction, infeed amounts, feeds, spark-out times, empty strokes Digital readouts for grinding spindle B-axis, workpiece spindle, X and Z axes from HEIDENHAIN Paper band filter unit approx. 250 L Similar to Weiss / EMAG / GP cylindrical grinders / Studer / Kellenberger / Schaudt / Tschudin / Tacchella / Dannobat / Bahmüller / Fortuna

Condition: refurbished (used), Year of construction: 2026, Karstens K11 650 The cylindrical grinding machine has been completely overhauled by PS-Karstens. The machine has been tested and is in very good condition. As specialists in Karstens cylindrical grinding machines, we can provide you with complete service (electrical and mechanical) for the machine after purchase. Technical Data: Centre distance: 650 mm Centre height: 180 mm Workpiece weight: 100 kg (between centers), 250 kg (supported) Grinding wheel diameter: 400 mm Workpiece spindle: Morse taper 4, infinitely variable speed 30–450 rpm, swiveling range 0–90° Tailstock: MT4, quill stroke 45 mm, micrometer adjustment Quill force: 200–600 N, hydraulically operated via foot pedal Table swiveling: 10 degrees Feed spindle adjustment range: 80 mm Rapid traverse: 50 mm Rough adjustment with 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 3,800 kg Feed drive by DC motor Air-cushion-assisted rapid adjustment of the grinding spindle stock for fast and precise positioning of the grinding position. Separate drives for external and internal grinding spindles. Fully automatic operating sequence, feed movement controlled via cam switch: Isdpfx Aksh Rixxexsia Rapid approach, rapid return, grinding mode, feed stop, micron feed. Automatic longitudinal grinding cycle Central coolant supply for all grinding positions Workpiece spindle head with infinitely variable drive for live and locked spindle operation. Feed control for both plunge and traverse grinding, input for retraction, feed amount, feed rates, dwell times, and idle strokes Paper band filter system approx. 250 L Comparable to Weiss/EMAG/GP cylindrical grinding machines/Studer/Kellenberger/Schaudt/Tschudin/Tacchella/Dannobat /Bahmüller/Fortuna

Year of construction: 2000, condition: ready for operation (used), Travel X/Y/Z: 600mm/410mm/520mm, table dimensions X/Y: 840mm/420mm, spindle speed: 6000rpm, spindle power: 8.5kW, tool holder: SK40, tool positions: 22, rapid traverse X/Y/Z: 36m/36m/20m/min. Machine dimensions X/Y/Z: approx. 2200mm/2300mm/2300mm, weight: approx. 2500kg, control: Heidenhain TNC 426. An on-site inspection is possible. Iodov Uqb Nspfx Akxsia

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 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 Iisdjiv Audepfx Akxoa 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: as good as new (ex-display), Year of construction: 2026, Karstens K11 1000 Premium Retrofit Cylindrical Grinding Machine Manufacturer: Karstens Technical Data: Centre distance: 1100 mm Centre height: 180 mm / (250 mm optional) Workpiece weight: 100 kg between centres, 300 kg with support Grinding wheel diameter: 400 mm or 500 mm (external grinding wheel) Workpiece spindle: MT 4, infinitely variable speed from 30-450 rpm, swivel range 0 - 90° Tailstock: MT4, quill stroke 45 mm Quill force: 200-600 N manual, (up to 2500 N adjustable = optional) Ijdpfsh Rimmox Akxoia Table swivel: 10 degrees Infeed spindle travel: 80 mm Rapid traverse: 50 mm Coarse adjustment with air cushion: 280 mm External grinding spindle motor: 4 kW / (5.5 kW = option) Infinitely variable speed adjustment of 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 Net machine weight: 3800 kg Infeed drive via DC motor Air cushion-supported rapid adjustable grinding spindle stock for fast and safe positioning to grinding location. Separate drive for spindles for external and internal grinding. Fully automatic operating sequence, infeed movement via rotary dial switch: Rapid approach, rapid return, grinding operation, infeed stop, mym-infeed. Automatic longitudinal grinding cycle Central coolant supply for all grinding zones Workpiece headstock with infinitely variable drive for both live and lockable spindle operation. New digital infeed control with Siemens panel and Siemens PLC for longitudinal grinding and plunge grinding, inputs for retraction, infeed amounts, feed rates, spark-out times, dwell strokes; compatible with the old Karstens infeed control; with colour Siemens touch panel. Similar to Weiss/ EMAG/ GP cylindrical grinders/ Studer/ Kellenberger/ Schaudt/ Tschudin/ Tacchella/ Dannobat/ Bahmüller / Fortuna

Condition: used, Year of construction: 2020, Technical details: x-travel: 1530 mm y-travel: 530 mm z-travel: 465 mm side by side, right side fixed table X =: 925 mm side by side left side 2 axis table X =: 780 mm control: Heidenhain TNC 640 tool magazin:: 122 SK 40 spindle turning speed - stepless: 12.000 1/min Spindle Torque: 120 Nm Iisdpfx Aoyqyfgekxoa power capacity: 22 kW Fixed Table Dimensions: 920 x 540 mm Table load fixed table: 2000 kg Max. parts size on fixed table: 900 x 500 x 400 mm Diameter of integrated 2-axis rotary table: 650 mm Table load rotary table: 500 kg B-axis swivel angle: -90°/+110° ° / deg Max. parts size on rotary table: 600 x 500 x 400 mm Max. Parts size over both tables: 1500 x 500 x 400 mm internal coolant system feed: 70 bar bar weight of the machine ca.: 10,5 t dimensions of the machine ca.: 3,65 x 2,53 x 2,81 m Accerories pendant hand wheel HR 510 FS Rotoclear window Automatic machine switch off after prog. cycle end Measuring probe for work piece Blum TC 52 Coolant gun The SpinnerU5 1530 5-axis machine with Heidenhain iTNC 640 control is as new, in excelllent condition. 122 tool holdersr SK 40 come with the machine. A special vice from Gressel for 5-axis machining for the rotary table also comes with the machine. *

Condition: as good as new (ex-display), Year of construction: 2026, Karstens K11 1000 Premium Retrofit Cylindrical Grinding Machine Manufacturer: Karstens 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 Ijdpfx Asiv Au Eekxjia 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

Year of construction: 2014, condition: ready for operation (used), A Karstens cylindrical grinding machine from 1992, which was completely overhauled and modernized in 2014, is available. Center width: 1000mm, center height: 180mm, grinding diameter: 360mm, max. workpiece weight center/flying: 250kg/70kg, grinding wheel diameter: 400mm. Spindle holder: MK4, speed: 450rpm, swivel range: 90°, quill holder: MK4, quill stroke: 45mm, quill force: 600N. Table swivel: 10°, infeed spindle: 80mm, rapid traverse: 50mm, coarse adjustment: 280mm, weight: approx. 3800kg. Including 3x centering points and grinding wheels as good as new. Documentation available. On-site inspection is possible. Iiedpfx Ajv Suftskxea

Year of construction: 2002, condition: ready for operation (used), With two machining modules, X-axis: -50 to 725mm, Y-axis: -200 to 300 / -250 to 250mm, rapid traverse X-, Y-, Z-axis: 18/12/30m/min, control: Siemens Sinumerik, temperature range: 5–40°C, power type/frequency: 3 PEN / 50Hz, rated voltage: AC 400V, control voltage: DC 24V, auxiliary voltage: AC 230V, connected load: 102kVA, rated current: 148A, rated current (fast): 148A, fuse (slow): 160A, length: 8000mm, width: 3000mm, height: 4000mm, weight: approx. 17t, operating hours: approx. 80,000h. The machine is fully functional, the ball screw drive (recirculating spindle) of the Z-axis was renewed in 2024 and it has been regularly maintained. Comes with documentation, control cabinet, hydraulic unit, filter elements, and chip conveyor. An on-site inspection is possible. Iiodpfx Ajwbuyzjkxja

Condition: excellent (used), Year of construction: 1988, functionality: fully functional, center height: 180 mm, workpiece weight (max.): 70 kg, center width: 650 mm, grinding wheel diameter: 400 mm, workpiece weight between centers: 250,000 g, The machine has been fully repaired and inspected by the seller! TECHNICAL DETAILS Working Area - Distance between centers: 650 mm - Center height: 180 mm - Workpiece weight: max. 70 kg (overhung) / max. 250 kg (between centers) - Grinding wheel diameter: 400 mm Workpiece Spindle - Mount: MK4 (Morse taper 4) - Speed: 30 - 450 rpm - Swivel range: 0 - 90° - Motor power: 0.55 kW Tailstock - Mount: MK4 (Morse taper 4) - Quill stroke: 45 mm - Quill force: 200 - 600 N Adjustment Travels and Settings - Table swivel angle: 10° - Infeed spindle travel: 80 mm - Rapid traverse: 50 mm - Coarse adjustment with air cushion: 280 mm MACHINE DETAILS Drives - External grinding spindle motor: 4 kW - Internal grinding spindle motor: 2.2 kW Weight Iiedpjwy Rnfsfx Akxsa - Machine weight: 3,600 kg EQUIPMENT - Air-cushion supported rapid adjustment of grinding spindle headstock - Separate drive for external and internal grinding spindles - Fully automatic operation with rotary switch - Automatic longitudinal grinding cycle - Central coolant supply for all grinding positions - Workpiece spindle stock with stepless drive control - Infeed control for longitudinal and plunge grinding

Condition: refurbished (used), Year of construction: 2024, functionality: fully functional, center height: 180 mm, workpiece weight (max.): 70 kg, center width: 650 mm, grinding wheel diameter: 400 mm, Equipment: rotational speed infinitely variable, Fully overhauled cylindrical grinding machine, year of manufacture 2024! No minimum price – guaranteed sale to the highest bidder! TECHNICAL DETAILS Centre distance: 650 mm Centre height: 180 mm Workpiece weight: 70 kg (unsupported), 250 kg (between centres) Grinding wheel diameter: 400 mm Workpiece Spindle and Tailstock Workpiece spindle: Morse taper 4 Spindle speed: steplessly variable, 30–450 rpm Swivel range: 0–90° Tailstock: Morse taper 4 Quill stroke: 45 mm Quill force: 200–600 N Iodpewy Ufuofx Akxjia Axes and Adjustments Table swivel: 10° Infeed spindle travel: 80 mm Rapid traverse distance: 50 mm Coarse adjustment, air cushion: 280 mm MACHINE DETAILS Motor External grinding spindle motor: 4 kW Internal grinding spindle motor: 2.2 kW Workpiece spindle motor: 0.55 kW Machine weight: 3,600 kg FEATURES Infeed drive via DC motor Air-cushioned rapid adjustment of grinding spindle headstock Separate drive for external and internal grinding spindles Fully automatic operation: rapid advance, rapid return, grinding cycle, infeed stop, mym infeed Automatic longitudinal grinding cycle Central coolant supply Infeed control for longitudinal and plunge grinding

Year of construction: 1991, condition: ready for operation (used), Axes: 5, max. grinding wheel diameter: 150mm, spindle speed: 9000rpm, workpiece spindle speed: 1500rpm, clamping spindle speed: 13000rpm, travel X/Y/Z: 200mm/190mm/150mm, tool holder: HSK-50, machine dimensions X/Y/Z: approx. 1700mm/1400mm/1800mm, control: NumRoto 1060, control defective. Including coolant pump and coolant tank, grinding wheel set with 12x holders. Documentation available. On-site inspection is possible. Iiedpfx Aovu Dfbekxja