Internal and external grinding machine

Studer S12

Condition: good (used), Studer S30-12 cylindrical grinding machine TECHNICAL DATA Main dimensions Fsdpfovca Izox Ah Uogi Center height: 125 mm Center width: 400 / 700 / 1025 mm Largest longitudinal slide path: 400 / 700 / 1000 mm Longitudinal slide Table speed: 50 - 5000 mm/min Reversing delay: 0-6 s Smallest automatic travel: 1.5 mm Max. stroke: 400 / 700 / 1020 mm Max. Table inclination: 12 / 30 / 78° Cross slide Swivel range: +- 45° Quick adjustment: 40 mm Feed path with handwheel: 20 mm Largest plunge depth: 1.7 mm Sanding headstock Grinding wheel diameter x width x bore: 450 x 80 x 203 mm Speed: 1340 / 1500 1625 / 1800 / 2000 / 2200 rpm Coarse adjustment: 210 mm Workpiece headstock Swivel range: 0 - 90 Speed range: 30 - 675 rpm Mounting cone: Morse 5 Collets: W25 Tailstock Mounting cone: Morse 3 Adjustment travel of the center: 30 mm Total power requirement: 5 / 8.25 kW No liability is assumed for the correctness, completeness and up-to-dateness of the information.

Condition: good (used), Year of construction: 2009, functionality: fully functional, turning length: 1,500 mm, turning diameter: 550 mm, spindle motor power: 22,000 W, spindle speed (min.): 3,800 rpm, spindle bore: 80 mm, power: 22 kW (29.91 HP), Equipment: rotational speed infinitely variable, Okuma Macturn 350 2SW-1500 Big Bore main spindle, machine type CNC turning-milling center Make / manufacturer Okuma Okuma Model / type MacTurn 350 2SW1500 BigBore Year of manufacture 2008 / 2009 Control OSP P 200 L IGF One Touch Advanced + CAS Fsdpfsvta Rdox Ah Uogi Spindle turning time 6437 h Technical data Max. turning diameter: 550 mm Max. turning length: 1,500 mm Travel path of upper turret (milling spindle): X-axis: 505 mm/190 mm/1670 mm Y-axis: 190 mm (+95 /-95) Z-axis: 1670 mm W-axis: 1680 mm Travel path of lower turret: X/Z 210 mm/ 1670 mm Main spindle “Big Bore” version Spindle motor main spindle 22 kW, 412 Nm Max. speed main spindle 3800 rpm Spindle nose main spindle JIS A2-8 Spindle passage 80 mm Max. bar diameter: 71 mm C-axis 0.001 ° Counter spindle “Super Big Bore” version Spindle motor counter spindle 22 kW, 412 Nm Max. speed counter spindle 3300 rpm Spindle end counter spindle JIS A2-8 Spindle passage 80 mm Max. bar diameter: 71 mm Milling spindle Spindle motor milling spindle: 11 kW Max. speed milling spindle: 12000 rpm Tool holder: HSK 63 B-axis: 0.001° Tool magazine: 44 stations Lower turret Tool positions: 12 Tool holder: VDI-40, Driven tool stations: 12 positions Max. power of driven tools: 7.5 kW Max. speed of driven tools 4500 rpm Machine weight: approx. 15,000 kg Space requirement 6000 x 3500 x 3000 cm Other features - High pressure cooling 40 bar - Chip conveyor Interlit ISF 614 - Heavy crane filter Interlit SBP 4 - Touch Setter - Helical Cutting - 4 Extra M-Code Set - 2x hydraulic power chuck SMW BH-D 315-95 diam. 250 mm - DNC- T1 interface - RS 232 C interface - Chuck blow-off function main counter spindle - TAS -S + TAC-C Status report after commissioning in Bergisch Gladbach Geometry measurement results Reverse play XA - axis 0.015 mm Reverse play XB - axis 0.015 mm Reverse play ZA - axis 0.020 mm Reverse play ZB - axis 0.020 mm Reverse play Y - axis 0.010 mm XA - axis measured with measuring mandrel at 300 mm 0.02, YA at 300 mm 0.007in T1,T2, T3 B-axis: alignment and function good M-drive lower turret: tested and good Milling spindle: tested up to 6000 rpm, no abnormalities Main/counter spindle tested , no abnormalities High pressure pumps function well, no abnormalities Accessories - 2 x hydraulic crane chuck SMW - pallet with 16 driven tool holders, 10 HSK 63 holders, 3 VDI 40 holders - lifting hook on the front - all original axle locks Neff The Okuma specialist and NeffBuy We are also happy to provide you with the all-round carefree package, a tour of our showroom including demonstration and acceptance, loading, transport, assembly and commissioning of the machine as well as instruction and subsequent service. We operate Okuma CNC service throughout Europe, both electronically and mechanically, and on top of that we have a 1200 m2 inventory of all Okuma spare parts, please visit us on our homepage.

Condition: excellent (used), functionality: fully functional, machine/vehicle number: 64122, A well-maintained external cylindrical grinding machine Make: STUDER Type: S20-12 Machine No.: 64122 Fjdpfxsxfvxdj Ah Ujgi

Condition: used, Rondslijper centre height 125 mm centre width 650 mm grinding diameter 250 mm grinding wheel diameter 400 mm total power requirement 8 kw weight approx. 2500 kg Dit is een machine van Machines4you Fgjdegfqn Nepfx Ah Uei

Condition: used, Year of construction: 1959, pulling force - max. 10 t max. ram stroke 1300 mm voltage 380 V weight 1400 kg Broaching machine RAUSCH RS10/1300 Fjdpfovh Nd Asx Ah Uogi Year of construction: 1959 Stroke: 1,800 mm Tractive force: 10 tonnes

Condition: used, Year of construction: 1982, grinding diameter:250 mm grinding length:650 mm centre height:125 mm internal grinding spindle rev.-stepless:9500-50000 U/min workpiece speeds -stepless:50-10000 mm/min grinding head swivelling:90 Grad max. dia. of grinding wheel:400 mm spindle bore:30 mm grinding length - plunge feed:80 (100) mm max. grinding depth by internal grinding:ca. 170 mm max. bore diameter to be ground:90 mm Fodecxxubspfx Ah Usgi feed speeds:240 mm/min max. workpiece weight:80 kg required cooling water:36 l/min centre distance:650 mm distance of workpiece spindle-taper cone:960 mm drive capacity - spindle motor:6,25 kW connected load:ca. 10 kW total power requirement:8,5 kW weight of the machine ca.:3,4 t dimensions of the machine ca.:3,9 x 2,5 x 1,85 m with Studer control, electric/hydraulic drive, variable speed, tailstock with fine adjustment and hydraulic back feed, work piece headstock with increased precision, table air , hydraulic removable dressing device, radius-dressing device, Hydro-Cyclone filter, automatic grinding wheel-balancing device, automatic dressing cycle with speed compensation

Condition: excellent (used), Year of construction: 1983, Control: Freely programmable control Grinding modes: External grooving External longitudinal grinding Internal grinding Straight grooving Oblique grooving Dressing from the front automatically programmed TECHNICAL DATA Working range centre height 125 mm centre width 650 mm grinding diameter min./max. 0,2/240 mm grinding length max. 650 mm Grinding length for plunge-cut grinding max. 80/100 mm grinding depth max. 170 mm Grindable bore min./max. 2.5/90 mm workpiece weight max. 80 kg Grinding headstock swivelling + 45 grinding wheel diameter 400 mm grinding wheel width 20 - 50 mm Spindle speeds 6 speed range 2130 - 1270 rpm Drive power 6,25 kW Motor speed 3000 rpm Work headstock spindle bore 30 mm Mounting inner cone MK 5 Swivelling capability 90 Roundness accuracy 0.0004 mm Spindle speeds 30 - 675 rpm Fgedpfjha Nktjx Ah Uji EQUIPMENT/ACCESSORIES Movable splash guard at the front Grinding headstock Swivelling work headstock Tailstock with fine adjustment, hydraulic retraction and insert for centres MK3 Protective hood for grinding wheels ø 400 x 50 mm width can be swung in Coolant system with paper belt filter 36 l/min at 0,4 bar Internal grinding device Three-jaw chuck with insert Magnetic chuck with insert Counter steady Adjustable diamond holder with dial gauge graduation 0.002 mm Hydraulically retractable dressing device with dial gauge graduation 0.002 mm Air lifting of the table with oil mist device Contact display and control SENSITRON Oil

Condition: used, Year of construction: 2001, grinding length 4200 mm grinding width 1300 mm Fgedpethumusfx Ah Usi workpiece height 550 mm Control Siemens 840D passage width 1300 mm electro-magnetic table 4200 x 1300 mm grinding height 550 mm grinding motor 306 kW grinding motor turning speeds up to 370 U/min grinding motor feed, infinitely variable 0,5-35 m/min coolant flow rate 2000 l/min weight of the machine ca. 50 t dimensions of the machine ca. 11,21 x 5,25 x 3,85 m Equipment / Accessories: - segment head - diameter 1400 mm - for segment dimensions 120/106 x 41 x 250 mm - number of segments: 1 set = 26 pieces - grinding motor adjustment - in steps: 0,002 - 1 mm - continuous: up to 5 mm/min stepless

Condition: good (used), Year of construction: 1985, functionality: fully functional, machine/vehicle number: 5019-03, center height: 325 mm, grinding length: 1,600 mm, grinding wheel diameter: 450 mm, spindle speed (max.): 2,770 rpm, grinding spindle speed: 650 rpm, pivoting range: 90 °, Machine with comprehensive accessories! Condition: Very good, works with very high precision - general overhaul in 2001 No reserve price - guaranteed sale at the highest bid! TECHNICAL DETAILS Fgodpsvrzu Iofx Ah Uoi Control: Sinumerik 840D Center distance: 1,600 mm Center height: 325 mm Longitudinal slide Table speed max.: 0.06 to 10,000 mm/min Automatic travel: 0.001 to 1,750 mm Max. inclination of the table: 8° Cross slide Swivel range: ± 45° Grinding depth (plunge grinding): 200 mm Travel speed: 0.06 to 10,000 mm/min Grinding headstock Type: S50-12 Grinding wheel dimensions: 450 mm x 80 mm x 203 mm Drive: 7.5 kW Speeds: 1,240 to 2,770 rpm (8 Steps) Swivel range: 0 to 210° Workpiece headstock Swivel range: 0 to 90° Speed range: 15 to 650 rpm (freely programmable) Drive power: 2.2 kW MACHINE DETAILS Total connected load: 22 kW Machine weight: 7 t EQUIPMENT - Internal grinding device - Full enclosure - Extraction system - Cooling unit Submitting a bid obliges you to pick up the machine on time by March 1st, 2025!

Condition: excellent (used), Year of construction: 1983, functionality: fully functional, machine/vehicle number: 1404, total width: 1,690 mm, total length: 3,410 mm, total height: 1,915 mm, overall weight: 3,000 kg, TECHNICAL DATA Capacity - Height of centres: 125/175mm - Distance between centers: 400mm; 700mm; 1025mm - Max.travel of longitudinal slide: 400mm; 700mm; 1025mm Table - Table speed steplessly adjustable: 0.5 - 5.5 m/min. Fsdpfeupiycex Ah Uegi - Reversal dwell of table: 0-6 sec. - Minimum automatic stroke approx.: 1.5mm - Maximum swivel of table: 400 deg.- 12 ; 700 deg. -10; 1025 deg.- 8 - Travel per revolution of handwheel: 25mm Workhead - Swivel towards grinding wheel: 90 deg. - Spindle speed, steplessly variable: 30 - 675 RPM - Spindle nose taper: Morse 5 - Collet shank diameter: 25mm - Diameter of 3-jaw chuck: 160mm Wheelhead - Grinding wheel L.H. or R.H.: - Diameter (special exec. 6.25kW/8.4 HP): 400 (450) mm - Maximum width: 50 (80) mm - Bore: 127 (203) mm - Spindle speeds (3-step Vee-belt pulley) - Grinding wheel dia 400: 1500/1625/1800/2000/2200/2400 RPM - Grinding wheel dia 450 (8.4HP): 1340/1500/1625/1800/2000/2200 RPM - Grinding wheel motor approx.: 3kW - Grinding wheel motor, special for 450 dia wheel approx.: 6.25kW - Rapid travel of wheelhead: - Hydr.approach and retraction: 40 mm - Additional adjustment with hand leveler: 210 mm - Swivel of the whole cross slide L.H. and R.H.: 45 deg. - Interminent feed, steplessly adjustable (on dia) at left or right hand table reversal, or both: 0.001 - 0.05 mm/sec. - Plunge feed, steplessly adjustable (on dia): 0.0002 - 0.1 mm/sec. - Maximum depth of plunge on dia: 1.7 mm Motor rating - Wheel spindle, standard: 3 kW - Wheel spindle special rating: 6.25 kW - Workhead: 0.55 kW - Hydraulics: 0.55 kW - Coolant pump, standard: 0.17 kW - Coolant pump, inteclon: 1.1 kW Workpiece weight - Maximum between centers: 80 kg Extras: grinding wheels, coilets, other additional equipment, user manuals

Condition: new, Year of construction: 2025, functionality: fully functional, workpiece weight (max.): 170 kg, grinding spindle speed: 45,000 rpm, spindle speed (min.): 5,000 rpm, spindle speed (max.): 45,000 rpm, clamping diameter: 140 mm, clamping length: 1,100 mm, Workpiece Clamping Diameter : ø 3 – 140 mm Workpiece Length : 50 – 1.100 mm Centre Hole Diameter : ø 1 – 100 mm Workpiece Weight : max. 170 kg Center Hole Angle : 60 ° Accuracy : < 1 µm (Submicron accuracy) Spindle Speed : 5.000 – 45.000 rpm Grinding Cone Movements : 3+1 Rotation Orbital rotation Stroke movement +1 Workpeice rotation Quirlig Grinding Technique : Included (Cross-hatched grinding pattern) Grinding Process : Semi-Automatic, CNC Control Panel : Beckhoff CNC Movements : Z-Axis Indurstry 4.0 Compatibility : Available Semi-Auto Grinding Cone Dressing : Included Workpiece Rotation : Available (as a option) Dust Extraction And Filtration : Available (as a option) Sectors : Precision Grinding, Aviation, Automotive, Machinery etc. Benefits: Fjdpfxegb Ec Hs Ah Uegi Sub-micron Precision: Achieve sub-micron (< 1 µm) precision in grinding thanks to Swiss engineering and a robust machine design. Sustainable Reliability: Ensure reliable and sustainable processing. Cost Efficiency & High Productivity: Benefit from lower production costs and high productivity due to a short grinding process and reduced production times for subsequent processes (cylindrical grinding). Quirlig Grinding Technique: Experience an optimized grinding process with the Quirlig Grinding Technique. Properly ground center holes that have cross-hatched grinding pattern. The cross-hatched grinding pattern ensures that oil is retained when the workpiece is placed between the centers during the cylindrical grinding process, creating a micro oil layer. The micro oil layer prevents unwanted "dry running" during cylindrical grinding. Easy to Use CNC Control Panel: Benefit from very simple operation and grinding program recording with the Beckhoff control panel and Z-axis servo movement. Industry 4.0: Fully compatible with Industry 4.0 applications, thanks to the Beckhoff control panel. Low Maintenance Costs: Enjoy low maintenance costs throughout the machine's service life, thanks to Swiss-quality construction. The Zentroflex SA-series center hole grinding machines are designed to deliver high-precision cylindrical grinding in the aviation, automotive, and machinery sectors. Additionally, the Zentroflex SA-series is the ideal solution for recovering parts distorted after heat treatment or for reducing cylindrical grinding costs. Z-Axis movement is provided by servo motor in CNC form. The part is loaded-unloaded and clamped manually. Settings are made from CNC control panel and grinding is started by pressing the start button. No other manual setting or control is made during grinding. Contact us for more details.