Internal and external grinding machine

Studer S12

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 Gbjdpfx Ajxfvxdjabeu

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 Gedpfx Aaegfqn Nebsbu

Condition: good (used), Studer S30-12 cylindrical grinding machine TECHNICAL DATA Main dimensions 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 Gbsdpsvca Izsfx Aabou 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: 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 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 Gsdpfx Aascxxubobobu 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 Gbodpfjha Nktjx Aabou 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 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: 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 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° Gjdpovrzu Ijfx Aabobu 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. - 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.: Gbjdpsupiycsfx Aabju - 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