Cylindrical grinding machine

Karstens K11 650

Condition: as good as new (ex-display), Year of construction: 2026, Karstens K11 650 Premium Retrofit Round Grinding Machine Manufacturer: Karstens Technical Specifications: Dcsdpfx Adjiv Auds Njk 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 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: Dcodpfx Adjwlap Ao Nsk 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 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: excellent (used), Year of construction: 2007, STAR ECAS 12 CNC Swiss-type lathe TECHNICAL DATA Maximum machining diameter: 13mm Max. headstock stroke: 205 mm Maximum drilling capability: Stationary tool: 10 mm Power driven tool: 8 mm Maximum tapping capability: Stationary tool: M8 x P 1.25 Power driven tool: M6 X P1.0 Maximum milling capability: 10mm Maximum die cutting capability: M8 x P1.25 Maximum slotting capability: 1.5 x 4 mm Feed rate: Z1, X1, Y1, Z2, X2, Z3, X3, Y3: 18,000 mm/min Dcsdpfxswf Aclj Ad Njk C1, C2: 194,400°/min Maximum turning feed rate: Z1, X1, Y1, Z2, X2, Z3, X3, Y3: 18,000 mm/min C1, C2: 194,400°/min Minimum input increment: X1, X2, X3: 0.001 mm Z1, Z2, Z3, Y1, Y3: 0.001 mm C1, C2: 0.001° Spindle speed: 12,000 rpm Indexing angle: 0.01° Dimensions: 2588 x 1150 x 1765 mm Center height: 1040 mm Weight: 3500 kg SCOPE OF OFFER INCLUDES (list not exhaustive): Star Ecas 12 CNC lathe Coolant tank / pump High-pressure system Transformer Operating documentation Exact scope of offer as shown in the photo gallery No liability is assumed for the accuracy, completeness, or timeliness of the information.

Condition: excellent (used), grinding diameter 155 mm grinding length 400 mm centre height 80 mm Q U O T A T I O N We are pleased to offer you ex our stock, subject to prior sale, and error in technical data : STUDER (CH) Universal Precision Cylindrical Grinding Machine Model S 20-12 Year Height of centers / Grinding Ø 80 / 160 mm Center distance / Grinding length Z-axis 400 / 420 mm Internal Grinding Ø mm Workpiece weight flying / between centers max. 5 / 20 kg Table speeds 0,1 – 3,5 m/min Table way automatic, min. 1 mm Table swivable max. 30 ° Universal Grinding Head cross way max 170 mm Rapid infeed way 30 mm Infeed way 1,9 mm Feeds 0,001 – 0,04 mm/Ø Swivable 10 / 30 ° Grinding wheel dimension : bore x width x Æ 127 x 30 x 300 mm Internal Grinding device separately mounted mm Workhead Fitting taper/conus MK 2 Speeds 60 – 1.200 rpm Dsdpfx Ajzbczxsd Nock Spindle drive 2,2 kW Total electric load approx.. 5 kW - 400 V – 50 Hz Weight approx. 1.000 kg Accessories / Special Features: • Electrohydraulic conventional control with PHILIPS Digital Readout for the infeed (x-axis) • Preinstalled automatic cycles for plunge-in grinding, traverse grinding, internal grinding with roughing, finishing, fine-finishing, spark-out • Separately mounted Internal Grinding Device with belt-driven internal grinding spindle • Workhead with Quck-release collet chuck, swivable 90° • (right now the machine is not equipped with a tailstock, an original STUDER tailstock; used can be supplied for approx.. EUR 5.000,--) • Wet grinding equipment with coolant filtration unit, separate electric cabinet, manuals Condition : Very good ! Universal machine for all sorts of grinding tasks ! Video : ! Delivery : immediately available, FCA Metzingen Payment : 100 % Net, before loading

Condition: excellent (used), Year of construction: 2009, functionality: fully functional, MAZAK QUICK TURN NEXUS 100-II MSY Max. machining diameter: 280 mm Max. machining length: 400 mm Max. milling speed: 4,500 rpm Max. spindle speed: 6,000 rpm Max. bar diameter: 42 mm Machine is equipped with: - CNC control: Mazatrol Matrix - KITAGAWA 3-jaw chuck B-206 for main spindle - KITAGAWA 3-jaw chuck B-205 for 2nd spindle Djdpfx Adoy S A Rie Nsck - Tool Eye - C-axis - Y-axis - Interface for bar loader magazine - Automatic parts catcher - Reinforced coolant pump - 8 units of fixed tool holders - 2 units of powered tool holders

Condition: ready for operation (used), Table diameter: 2250mm Dcodpfxjyxb I Te Ad Njk Max. swing diameter: 2500mm Max. workpiece height: 1600mm

Condition: used, Year of construction: 2000, table length 1160 mm table width 710 mm daylight 650 mm Control WENZEL ME 5007 total power requirement kW weight of the machine ca. 800 kg dimensions of the machine ca. m Dcsdpfx Aet Hw S Isd Nek 3-D-coordinate measuring machine with METROLOG II-Software

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 Dedpfxst Hw Rde Ad Nock 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.) * 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.

Condition: used, Year of construction: 1992, spindle speed (min.): 7,500 rpm, spindle speed (max.): 24,000 rpm, 4 motorized grinding spindles (liquid-cooled, purge air / oil mist lubrication) including REFU HF frequency converter, e.g. for powering the spindles of a Voumard 400 CNC T4. Grinding spindle GMN TSSV 170-7500 7,500 rpm, 350V, 19.3A, 7.5kW, 250 Hz Grinding spindle Voumard BM15-170 15,000 rpm, 350V, 35A, 18kW, 250 Hz Grinding spindle Voumard BM18-15032 18,000 rpm, 350V, 28.5A, 12kW, 600 Hz Grinding spindle Voumard BM24-150 24,000 rpm, 350V, 27A, 12kW, 800 Hz REFU HF Converter 316/25 High-frequency converter (inverter, frequency inverter) Frequency converter / inverter for powering motor spindles GMN tool spindle, motorized grinding spindle Djdpfel Tn Afex Ad Nock The spindles are fully functional, sold as is – manufacturing year approx. 1992 A collection of various grinding spindle shafts / arbors for grinding wheels is available for these spindles and can be purchased separately. Price / details on request All technical data subject to error or omission. We sell exclusively to countries within the European Community.

Condition: excellent (used), Year of construction: 1991, functionality: fully functional, travel distance X-axis: 500 mm, travel distance Y-axis: 350 mm, travel distance Z-axis: 120 mm, travel distance W-axis: 450 mm, For sale: Hauser coordinate grinding machine, model S35-400 The machine is in excellent condition and underwent a partial overhaul in 2024 for €15,000. The machine is equipped with 6 high-quality grinding motors, a face motor, and turbines. TECHNICAL DATA Distance between column and spindle: 365 mm Clearance between table and spindle: 485 mm Main spindle diameter: 100 mm X-axis: 500 mm Y-axis: 350 mm Z-axis: 120 mm W-axis: 450 mm U-axis: 5.5 mm Maximum taper grinding: 16° Table size: 600 x 380 mm T-slots: 6 units, 10 mm width, 50 mm spacing Table load capacity: 300 kg Speeds and Tool Holders Speed 22S: 4,500 - 22,500 rpm 45S/45ST: E19 Speed 45S/45ST: 9,000 - 45,000 rpm 80S: F6 Speed 80S: 40,000 - 80,000 rpm T10/T16: Ø 3 mm Speed T10/T16: 100,000 / 160,000 rpm Slot grinding attachment: 2,900 - 34,500 rpm Planetary movement: 5 - 250 rpm C-axis: 0 - 5 rpm X/Y feed: 0 - 1,200 mm/min W-axis feed: 900 mm/min Z-axis feed: 0.5 - 12,000 mm/min MACHINE DETAILS Digital measuring accuracy: 0.001 mm Base deviation: 0.003 mm Power: 7.5 kW Compressed air requirement: 20 m³ System pressure: 5 bar Footprint: 3.5 x 4.4 m Machine height: 3.5 m Connection value: 8.3 kVA Weight: 3.1 t EQUIPMENT - Slot grinding attachment - Rotary table, 300 mm diameter - Swivel table, 200 mm diameter - Coolant system - Extraction unit - Very high-quality accessories included Transportation and loading can be arranged across Europe at extra cost upon request. Prices plus VAT. Viewing by appointment is possible. Contact us—our team is happy to assist you. Dsdpfx Aowtqthed Neck Trade-in or exchange possible! MACHINE PROCUREMENT / SALES PURCHASE / SALE OF PRODUCTION & METALWORKING MACHINES AND MORE. Are you looking for a high-quality yet affordable metalworking machine for your production? Or do you want to sell yours? For more information or contact options, visit our website.