CNC Universal Cylindrical Grinding Machine

Karstens K11 1000

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 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 Bodpfoh Riwdex Afyewi Similar to Weiss / EMAG / GP cylindrical grinders / Studer / Kellenberger / Schaudt / Tschudin / Tacchella / Dannobat / Bahmüller / Fortuna

Condition: refurbished (used), Year of construction: 1986, functionality: fully functional, center height: 150 mm, workpiece weight (max.): 130 kg, grinding length: 1,500 mm, grinding wheel diameter: 500 mm, total width: 2,155 mm, total length: 5,465 mm, total height: 1,700 mm, grinding diameter: 300 mm, grinding wheel width: 63 mm, The cylindrical grinding machine was fully overhauled in 2021 and has hardly been used since. The condition of the machine is practically like new. Equipment as shown in the photos. The machine is connected to power and can be inspected at any time by prior arrangement. Bjdpfx Afsx A Dfyjyswi Technical specifications: Grinding diameter: 300 mm Grinding length: 1500 mm

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 Bwodpfxsh Rimmj Afyji 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) 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: 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 Bwsdpfoiv Au Ejx Afyei 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: 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 Electronic handwheels (MPG) Updated safety system and enclosure New electrical cabinet with ventilation and cooling Bwsdpfjw Avrzjx Afyei Optional AE sensor for gap detection or touch dressing