Cylindrical Grinding Machine - Universal

KARSTENS K11

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 Chjdpsh Riwdofx Antja 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 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: reconditioned (used), EWAG WS 11 is a Tool and cutter grinder designed for precision, high accuracy and reliability. X/Y/Z travel 100 mm; grinding-wheel Ø75 mm; A axis -135°/+30°; workspindle 100–1300 rpm; vertical head travel 100 mm; collet nose 20 W. Wheel spindle 2500–7100 rpm; 380 V 60 Hz; 0.4 CV; ~350 kg; 1000×1000×1800 mm. Accessories: set of collets, flanges, wheel arbors, lamp, Z feed unit. Achieves tight tolerances; suited to automotive, aerospace, watchmaking, medical sectors. Chsdpfxsyxnz Te Antsa

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. Cjdpfxjraibvs Antjha

Condition: refurbished (used), Year of construction: 2026, Karstens K11 650 This cylindrical grinding machine has been completely overhauled by 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 complete service (electrical and mechanical) for the machine after purchase. Technical data: Distance between centers: 650 mm Distance between centers: 180 mm Workpiece weight: 100 kg cantilevered, 250 kg between centers Grinding wheel diameter: 400 mm Workpiece spindle: MK 4, speed continuously adjustable 30-450 rpm, swivel range 0 - 90 ° Tailstock: MK4, quill stroke 45 mm, cylinder fine adjustment Cjdeh Rixxspfx Antsha Quill force: 200-600 N, hydraulically operated via foot pedal Table inclination: 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 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-supported rapid adjustment of the grinding spindle head for quick and safe positioning to the grinding position. Separate drive for the spindles for external and internal grinding. Fully automatic process, feed movement via jog shuttle 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 head with continuously adjustable drive with a rotating and lockable spindle. Feed control for longitudinal grinding and plunge grinding, input for retraction, feed amounts, feed rates, dwell times, non-cutting travel Paper band filter system approx. 250 L Similar to Weiss/EMAG/GP cylindrical grinding machines/ Studer/ Kellenberger/ Schaudt/ Tschudin/ Tacchella/ Dannobat/ Bahmüller/ Fortuna

Year of construction: 2016, condition: ready for operation (used), - USED - TRAVELLING COLUMN MILLING MACHINE LONGITUDINAL TRAVEL: 6000 mm TRANSVERSAL TRAVEL: 1500 mm VERTICAL TRAVEL: 2500 mm RAPID FEEDS L-T-V: 35 m/min SPINDLE: 337- 5000 rpm; 42 kW; 1180 Nm WORKTABLE: 300 x 2500 x 7000 mm HEAD: ISO 50 ; MILLESIMAL POSITIONING ; A/B AXIS AUTOMATIC TOOL MAGAZINE: PICK-UP ; 12 POS CONTROL UNIT: HEIDENHAIN TNC 640 Chsdpfx Anex Ru Azjtoa HIGH PRESSURE COOLANT: 20 Bar NOTE: AUTOMATIC HEAD CHANGE; COMPRESSED AIR INSIDE THE TOOL; RTCP; AUTOCAL SOFTWARE FOR AUTOMATIC CALIBRATION

Condition: as good as new (ex-display), Year of construction: 2026, Karstens K11 1000 Premium Retrofit Cylindrical Grinding Machine Chsdpfxeiv Au Eo Antsa 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, 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 650 Premium Retrofit Round Grinding Machine Manufacturer: Karstens Technical Specifications: Center distance: 750 mm Center height: 180 mm / (250 mm = Option) Workpiece weight: 100 kg cantilevered, 250 kg between centers Grinding wheel diameter: 400 mm or 500 mm (external grinding wheel) Workpiece spindle: MK 4, speed continuously adjustable 30-450 rpm, swivel range 0 - 90 ° Tailstock: MK4, quill stroke 45 mm, cylindrical correction Quill force: 200-600 N manually, (up to 2500 N possible, adjustable = Option) Table inclination: 12.5 degrees Travel of the 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) Continuously adjustable grinding wheel speed with potentiometer Grinding spindle motor, internal: 2.2 kW Workpiece spindle motor: 1.1 kW Hydraulic motor: 1.5 kW Chedpfxjiv Aude Antea Lubrication motor: 0.1 kW Hydraulic tank: 80 liters Machine weight: Net 3500 kg Feed drive via DC motor Air cushion-supported rapid adjustment of the grinding spindle head for quick and safe positioning to the grinding location. 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 head with continuously adjustable drive with a co-rotating and lockable spindle. Feed control, digital with Siemens panel and Siemens PLC for longitudinal grinding and plunge grinding, input for retraction, feed increments, feeds, dwell times, idle strokes, compatible with the old Karstens feed control, with color Siemens touch panel Scale in X and Z axes, manufacturer HEIDENHAIN. Similar to Weiss / EMAG / GP round grinding machines / Studer / Kellenberger / Schaudt / Tschudin / Tacchella / Dannobat / Bahmüller / Fortuna.

Condition: excellent (used), Year of construction: 1997, functionality: fully functional, machine/vehicle number: 1114.3705-24, Used CNC Lathe Make: Boehringer Type: VDF 250Cm Year of Manufacture: 1997 VDF Boehringer 250C The machine has the following features: 1000mm turning length No tailstock Driven tools Special indexing chuck Siemens 840C control system The Boehringer VDF 250Cm is a CNC lathe designed for machining chucked parts. It is characterized by its robust construction and precise machining capabilities. Technical Specifications (Model Year 1997) Working Area: Swing over Bed: 550 mm Swing over Cross Slide: 480 mm X-Axis Travel: 405 mm Z-Axis Travel: 1,099 mm Maximum Turning Length: 1,000 mm (None) Tailstock: Tool Turret: Number of Positions: 12 Tool Holder: VDI 50 DIN 69880 Live Tools: YES Spindle: Spindle Head Size: 8 DIN 55026 Spindle Bore: 103 mm Max. Chuck Diameter: 315 mm Max. Drive Power (50% Duty Cycle): 53 kW Max. Torque: 780 Nm Speed Range: 30–3,000 rpm Chjdjwlap Aopfx Antea Feeds: Automatic Feeds: 1–10,000 mm/min Rapid traverse speed: 10 m/min (X and Z axes) Max. feed force: 15 kN Dimensions and weight: Machine dimensions (L × W × H): approx. 5,400 × 3,200 × 2,400 mm Machine weight: approx. 11,000 kg Equipment: Pivoting control panel Hydraulic system from HYDROKRAFT Coolant system with 600 l tank, max. pump pressure 5.5 bar, flow rate 60 l/min, pump power 1.1 kW Chip conveyor with 325 l tank capacity, right-hand discharge 3-jaw power chuck Oil mist extraction Control cabinet with cooling unit and temperature controller from RITTAL Control system: SIEMENS SINUMERIK 840 C Variants and Differences There are various variants of the VDF 250 series, such as the VDF 250 CU, which can be equipped with different control systems (e.g., PHILIPS B2T) and technical specifications. Some models feature driven tools and a tailstock, while others are designed as pure chuck-type lathes without a tailstock. Conclusion The Boehringer VDF 250 Cm is a versatile CNC lathe characterized by its stability and precision. With its robust construction and extensive features, it is ideally suited for machining chucked parts in a variety of production environments.

Condition: as good as new (ex-display), Year of construction: 2026, Karstens K11 1000 Premium Retrofit Cylindrical Grinding Machine Chedpfx Anjh Rimmetea 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) 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

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 Tailstock arbor: MK 4 Swiveling stroke: Y-axis: Belt filter system Chsdpfx Anszbhkxstoa Digital display

Condition: excellent (used), functionality: fully functional, Year of construction: 1994, machine/vehicle number: SN1744271, Overheadcrane ± 11.550 mm x 5.000 kg Cedpfx Anjv Ipvxotjha

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. Cedjv Suftepfx Antoha