CNC Universal Cylindrical Grinding Machine

Karstens K11 1000

Condition: refurbished (used), Year of construction: 2026, Karstens K11 1000, Fully Equipped This cylindrical grinding machine has been completely overhauled at PS-Karstens. The machine has been inspected and is in very good condition. Since we specialize in Karstens cylindrical grinding machines, we can offer you a complete service (electrical and mechanical) for the machine after purchase. Technical Data: Center distance: 1000 mm Center height: 180 mm Workpiece weight: 100 kg (overhanging), 250 kg (between centers) Grinding wheel diameter: 400 mm Workpiece spindle: MK 4, stepless speed adjustment 30-450 rpm, swivel range 0 - 90 ° Tailstock: MK4, quill stroke 45 mm, fine adjustment with cylinder Quill force: 200-600 N, hydraulically operated via foot pedal Table inclination: 10 degrees Adjustment travel of the feed spindle: 80 mm Rapid traverse: 50 mm Coarse adjustment with air cushion: 280 mm Grinding spindle motor (external): 4 KW Grinding spindle motor (internal): 2.2 KW Workpiece spindle motor: 0.55 KW Machine weight: Net 3800 kg Feed drive via DC motor Air cushion-assisted rapid adjustment of the grinding spindle head 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 a wind rose switch: Rapid traverse forward, rapid traverse backward, grinding operation, feed stop, incremental feed. Automatic longitudinal grinding cycle Guedpeh Riwdefx Anwei Central coolant supply for all grinding points Workpiece spindle head with steplessly adjustable drive with a rotating and lockable spindle. Feed control for longitudinal grinding and plunge grinding, input for retraction, feed amounts, feeds, dwell times, rapid traverse Digital displays for grinding spindle B-axis, workpiece spindle, X-axis, Z-axis from HEIDENHAIN Paper band filter system, approx. 250 L Similar to Weiss/EMAG/GP cylindrical grinding machines/Studer/Kellenberger/Schaudt/Tschudin/Tacchella/Dannobat /Bahmüller/Fortuna

Condition: refurbished (used), Year of construction: 2020, Machine Type: Cylindrical Grinding Machine Manufacturer: Schaudt Maschinenbau GmbH Model: PS 4 Year of Original Manufacture: 1986 Renovation/Retrofit: 2020 Control System (Post-Retrofit): Siemens CNC SINUMERIK 840D General Specifications Application: External cylindrical grinding Grinding Method: Plunge, traverse, face grinding Control Type: CNC (Siemens retrofit in 2020) Machine Weight: Approx. 3,500 – 4,500 kg Installation Area: Approx. 3.5 m x 2.0 m Workpiece Capacity Center Height: 180 mm Distance Between Centers: 1000 mm (varies by version) Max Workpiece Diameter: 360 mm Max Workpiece Weight: ~150 kg between centers Grinding Spindle Grinding Wheel Diameter: 400 mm Grinding Wheel Width: 50 mm Bore: 127 mm Peripheral Speed: Up to 45 m/s Spindle Drive Power: ~7.5 kW Spindle Speed Range: Up to 1,500 – 2,500 rpm (depending on wheel size) Headstock Type: Fixed or rotating spindle Speed Range (if motorized): ~30 – 500 rpm Taper: MK4 or similar Drive: AC Servo (post-retrofit) Tailstock Type: Manual or hydraulically actuated Quill Stroke: Approx. 50 mm Quill Diameter: ~75 mm Axes X-Axis (infeed): CNC-controlled Z-Axis (longitudinal): CNC-controlled Resolution: 0.001 mm Drive Type: Digital servo motors with ball screw Position Feedback: Absolute/Incremental linear encoders Coolant System Coolant Tank Capacity: Approx. 150 – 250 liters Coolant Pump: High-pressure, with filtration system Other Features (Post-Retrofit) Siemens HMI with touch interface Gjdpfx Asw Avrzonwjui Electronic handwheels (MPG) Updated safety system and enclosure New electrical cabinet with ventilation and cooling Optional AE sensor for gap detection or touch dressing

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 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, Gusdpfeiv Au Eex Anwei 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

Condition: as good as new (ex-display), Year of construction: 2026, Karstens K11 1000 Premium Retrofit Cylindrical Grinding Machine Manufacturer: Karstens Technical Data: Distance between centers: 1100 mm Center height: 180 mm / (250 mm = Option) Workpiece weight: 100 kg cantilevered, 300 kg between centers Grinding wheel diameter: 400 mm or 500 mm (external grinding wheel) Guedpfsh Rimmjx Anwji Workpiece spindle: MK 4, stepless speed control 30-450 rpm, swivel range 0 - 90° Tailstock: MK4, quill travel 45 mm Quill force: 200-600 N manual, (up to 2500 N possible, adjustable = Option) Table inclination: 10 degrees Travel of the infeed spindle: 80 mm Rapid traverse: 50 mm Rough adjustment with air cushion: 280 mm Grinding spindle motor external: 4 kW / (5.5 kW = Option) Stepless 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 Infeed drive via DC motor Air cushion-assisted rapid adjustment of the grinding spindle head for quick and safe positioning of the grinding position. Separate drive for the spindles for external and internal grinding. Fully automatic operating sequence, infeed movement via a wind rose switch: Rapid traverse forward, rapid traverse backward, grinding operation, infeed stop, incremental infeed. Automatic longitudinal grinding cycle Central coolant supply for all grinding points Workpiece spindle head with steplessly adjustable drive with a rotating and lockable spindle. New digital infeed control with Siemens panel and Siemens PLC for longitudinal grinding and plunge grinding, input for retraction, infeed increments, feeds, dwell times, clearance strokes, compatible with the old Karstens infeed control, with a color Siemens touch panel similar to Weiss/EMAG/GP cylindrical grinding machines/Studer/Kellenberger/Schaudt/Tschudin/Tacchella/Dannobat /Bahmüller/Fortuna