Cylindrical grinding machine

Karstens K11 1000

Condition: as good as new (ex-display), Year of construction: 2025, 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 (unsupported), 300 kg between centres (supported) Grinding wheel diameter: 400 mm or 500 mm (external grinding wheel) Workpiece spindle: MT4, infinitely variable speed control 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 angle: 10° Cross feed travel: 80 mm Rapid traverse: 50 mm Coarse adjustment (air cushion): 280 mm External grinding spindle motor: 4 kW (5.5 kW optional) Stepless 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 weight: 3,800 kg Feed drive via DC motor Air cushion-assisted rapid positioning of the grinding spindle headstock for quick and safe positioning to the grinding location. Separate drive for external and internal grinding spindles. Fully automatic operation sequence, infeed movement via cam switch: Rapid approach, rapid retraction, grinding mode, infeed stop, micron infeed. Automatic longitudinal grinding cycle Centralised coolant supply for all grinding zones Workpiece headstock with infinitely variable drive for both live and lockable spindle modes. New digital infeed control with Siemens panel and Siemens PLC for both longitudinal and plunge grinding, parameter input for retraction, infeed amounts, feeds, spark-out times, idle strokes; compatible with the previous Karstens infeed control; featuring a colour Siemens touch panel; HEIDENHAIN scale on X and Z axes. Comparable to Weiss, EMAG, GP cylindrical grinding machines, Studer, Kellenberger, Schaudt, Tschudin, Tacchella, Dannobat. Fodpfxeiv Au Eo Abrjft

Condition: good (used), Year of construction: 1999, operating hours: 16,000 h, functionality: fully functional, machine/vehicle number: 650341, Year 1999 with Fanuc 18 TB – 3 axes XZB Marposs E30/E20 Country of manufacture: Switzerland Voltage: 400V/50Hz/3ph Dimensions: 410 x 220 x 190 cm Net machine weight: 5,000 kg TECHNICAL SPECIFICATIONS CNC control: Fanuc 18TB Fjdpfx Aew T Tb Hsbrjft Intermediate Section Fixed intermediate section: grinding head R Swiveling section with manual indexing 2.5°: R / RS / UR / URS -210° to +30° Swiveling section with automatic indexing 2.5°: R / RS / UR / URS -210° to +30° B axis, resolution 0.1'': R / RS / UR / URS -210° to +30° Standard workhead Swivel range: -10° to (+100°) Spindle speed (continuous): 6 – 600 rpm Internal taper: MT5 Reducing sleeve: MT5/MT4 Short external taper fitting: DIN 55026 / Size 5 Permissible torque: 160 Nm Guaranteed roundness for chuck work Standard: 0.5 µm Option: 0.2 µm Workpiece weight between centers: 150 kg Tailstock Taper fitting: MT4 Quill stroke: 50 mm / 2° Option: fine adjustment with correction (Ø +/- 150 µm) Grinding wheel data (max. speed) Diameter 300: 27 m/s Diameter 400: 35 m/s Diameter 500: 45 m/s UR Grinding Head Power: 9.2 kW / 12.5 HP Wheel mounting, left max.: Ø 500 x 80 mm Right, additional max.: Ø 400 x 63 mm Internal grinding device: spindle HJN 828 Lower table (Z axis) Distance between centers: 1000 mm Max. travel: 1150 mm Max. speed: 15 m/min Max. resolution: 0.1 µm Upper table Distance between centers: 1000 mm / swivel 0° to 9° Grinding carriage (X axis) Max. travel: 320 mm Max. speed: 7.5 m/min Max. resolution: 0.1 µm Pneumatics Min. connection: 6 bar Air consumption: approx. 0.6 m³/h Coolant Max. connection pressure: 3 bar Required space (version 1000): 3600 x 2000 mm Unless otherwise stated, technical data is provided without engagement and may be subject to errors or omissions.

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. Fjdpfx Asv Suftebrjft

Condition: as good as new (ex-display), Year of construction: 2025, 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, 300 kg between centres Grinding wheel diameter: 400 mm or 500 mm (external grinding wheel) Fodpfx Aoh Rimmebroft Workpiece spindle: MT 4, stepless speed control 30–450 rpm, swivelling range 0–90° Tailstock: MT 4, quill stroke 45 mm Quill force: 200–600 N manual, (up to 2500 N adjustable—optional) Table swivel: 10 degrees Adjustment travel of feed spindle: 80 mm Rapid traverse stroke: 50 mm Coarse air cushion adjustment: 280 mm External grinding spindle motor: 4 kW (5.5 kW optional) Stepless grinding wheel speed setting 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: 3,800 kg Feed drive via DC motor Air-cushioned rapid adjustment of the grinding headstock for quick and precise approach to the grinding position. Separate drives for external and internal grinding spindles. Fully automatic operation cycle, infeed movement controlled by cam switch: rapid approach, rapid return, grinding mode, feed stop, micron feed. Automatic longitudinal grinding cycle Central coolant supply to all grinding positions Workpiece headstock with infinitely variable drive for rotating or fixed spindle configuration. New digital feed control with Siemens touchscreen panel and Siemens PLC for longitudinal and plunge grinding, with input for retraction, feed values, feed rates, spark-out times, idle strokes; compatible with previous Karstens feed control. Features a colour Siemens touchscreen panel. Comparable to Weiss, EMAG, GP cylindrical grinding machines, Studer, Kellenberger, Schaudt, Tschudin, Tacchella, Dannobat.

Condition: used, Year of construction: 2000, grinding diameter 360 mm grinding length 1600 mm centre height 180 mm internal diameter 0 mm grinding depth 0 mm swing diameter 0 mm total power requirement 40 kW weight of the machine ca. 10000 kg dimensions of the machine ca. m K A R S T E N S (Germany) Universal “CNC” - Cylindrical Internal and Face Grinding Machine also for grinding excentric and cam profiles and polygons and even suitable for Threadgrinding Model K 51 – 1500 Year 2000 Serial No. 99 093 Height of centres 180 mm Distance between centres / grinding length 1,700/1.600 mm Cylindrical Grinding: Grinding Ø, approx. 5 - 360 mm Grinding wheel: Ø x width x bore 500 x 100 x 127 mm Grinding spindle speeds (35 m/s / 50 m/s) 1.900 / 2.200 rpm Drives of cyl./int/face spindle units 7.5/4,0/7,5 kW Grinding Wheelhead: 3 Positions = B-Axis Head swivels in 3 positions = 240 ° / 17,5 degree X-axis adjustment in total 360 mm Increments for infeed 0,001 – 125 mm Workpiece wheelhead = C-Axis Spindle speeds steplessly adjustable 10 – 1.000 rpm Spindle taper / Spindle bore MK 4 / 24 mm Table speeds 0,01 – 10.000 mm/min Total electrical load 40 kW - 400 V - 50 Hz Weight, approx. 10,000 kg Accessories / Special Features: * Very versatile CNC Grinding Machine for almost all grinding purposes like External/Internal and Face grinding as well as for Excentric- / Cam- / Polygone Grinding and even for Thread Grinding * Free programmable CNC System make BWO Model 900 C with many grinding cycles and for easy input of the work-parameters. Graphic support, any many more features. * 3 position wheelhead with 3 Grinding spindles as B-Axis, one with measuring feeler (Z - Position) * MOVOMATIC Measuring Device Model ES 400 for diameter control, Probe head CR 60, to be mounted on table. * MPM Automatic Grinding wheel balancing Device, Dressing devices with diamantflees mounted on table surface and also motorized Diamantroll Profile dresser on table (for thread profiles, etc.) Fsdpfxot Hw Rdo Abroft * Workhead and tailstock can be easily moved on table by air cushion. Hydraulic quill on tailstock. * No Coolant Device available ! Condition : Good to very good. Machine can be inspected under power. Delivery : Ex stock as inspected. Payment : Net, after conclusion of contract.

Year of construction: 2024, condition: as good as new (ex-display), AVAILABLE IMMEDIATELY! Manual cleaning is carried out using special gloves in the front section. The effectiveness of the cleaning is ensured by a high-pressure pump and a special spray nozzle. A temperature of up to 60 °C can be set for the cleaning fluid in these devices. The pressure can be set from 1- 80 bar. Technical data: Work surface: 950 x 700 mm Internal height: 450 mm Load capacity: 70 kg Optional up to 150 kg Spray pressure: 1-80 bar adjustable Tank volume: 75 liters / heating capacity 2kW Basic version: - Blow-off gun in the interior - Frame, feet, cover and housing made of stainless steel - Removable stainless steel plates above the tank - Flap can be opened upwards with 2 handles and gloves - Tempered glass window - Door opening/closing system supported by gas struts - Door opening monitored by safety limit switch Fedpfxef A Nqqj Abrjft - Filter on the suction side of the pump (500 micron) - Foot switch for operating the cleaning pump - Interior lighting - Neoprene gloves L 600mm (chemical resistant)- Adjustable feet +/- 50 mm - External mini-pneumatic oil separator

Condition: good (used), Distance between points 1000 mm Stitch height 230 mm Main motor power 9.2 Kw Fsdpfx Aetrgnzebroft Working wheel dimensions (h x w x d x w) 500x80x203.2 mm Ø max to grind 460 mm Tailstock cone MORSE 4 MORSE 5 tailstock nose cone Max. Z-axis travel 1115 mm Max. X-axis travel 260 mm Approx dimensions (length x width) 440x370 cm Approx. weight 4700 Kg

Condition: like new (used), Year of construction: 2015, nominal power: 1,300 kW (1,767.51 HP), rotational speed (min.): 1,493 rpm, rotational speed (max.): 1,493 rpm, input voltage: 6,000 V, input frequency: 50 Hz, overall weight: 6,100 kg, 1 asynchronous electric motor Manufacturer: Reform Elektromotorenbau GmbH Type: Y2-500-4 Power: 1300 kW Speed: 1493 rpm Voltage: 6000 volts Current: 151.4 A cos Φ: 0.86 Insulation class: F Frequency: 50 Hz Protection class: IP55 Design: Foot (B3) Operating mode: S1 continuous operation Weight: 6100 kg Year of manufacture: 12/2015 Bearings: NU228C3 / 6030C3 and NU228C3 Cooling: Air Shaft height: 500 mm Fodpfsv I Alyex Abrjft

Year of construction: 2024, condition: as good as new (ex-display), AVAILABLE IMMEDIATELY!!!! Manual cleaning is carried out using special gloves in the front section. The effectiveness of the cleaning is ensured by a high-pressure pump and a special spray nozzle. A temperature of up to 60 °C can be set for the cleaning fluid in these devices. The pressure can be set from 1- 80 bar. Technical data: Work surface: 950 x 700 mm Internal height: 450 mm Load capacity: 70 kg Optional up to 150 kg Spray pressure: 1-80 bar adjustable Tank volume: 75 liters / heating capacity 2kW Basic version: - Blow-off gun in the interior - Frame, feet, cover and housing made of stainless steel - Removable stainless steel plates above the tank - Flap can be opened upwards with 2 handles and gloves Fodpfxof A D Nmo Abreft - Tempered glass window - Door opening/closing system supported by gas struts - Door opening monitored by safety limit switch - Filter on the suction side of the pump (500 micron) - Foot switch for operating the cleaning pump - Interior lighting - Neoprene gloves L 600mm (chemical resistant)- Adjustable feet +/- 50 mm Optional: - Stainless steel cartridge filter with pump (10/25/50 micron) - External mini-pneumatic oil separator

Condition: as good as new (ex-display), Year of construction: 2023, Manual cleaning is carried out using special gloves in the front section. The effectiveness of the cleaning is ensured by a 0-8 BAR wash pump and a special spray nozzle. A temperature of up to 60 °C can be set for the cleaning fluid in these devices. The pressure is adjustable from 0-8 bar. Technical data: Work surface: 950 x 700 mm Internal height: 450 mm Load capacity: 70 kg Spray pressure: 0-8 bar adjustable Tank volume: 75 liters / heating capacity 2kW Basic version: - Blow-off gun in the interior - Frame, feet, cover and housing made of stainless steel - Removable stainless steel panels above the tank - Flap can be opened upwards with 2 handles and gloves - Tempered glass window - Door opening/closing system supported by gas struts - Door opening monitored by safety limit switch - Filter on the suction side of the pump (500 micron) - Foot switch for operating the cleaning pump Ffjdsr Hm R Tjpfx Abrjt - Interior lighting - Neoprene gloves L 600mm (chemical resistant)- Adjustable feet +/- 50 mm - Stainless steel cartridge filter with pump (10/25/50 micron) - External mini-pneumatic oil separator