Cylindrical grinding machine

STUDER S 31 CNC

Year of construction: 1999, condition: ready for operation (used), Center height: 175mm, grinding length: 650mm, B-axis: -15°/195°, workpiece speed: 1750rpm, grinding wheels T1/T2: 500mm/400mm, bore: 203mm, max. workpiece weight: 80kg, workhead: MK4, tailstock: MK3. Machine dimensions X/Y/Z: approx. 3000mm/3000mm/2100mm, weight: approx. 4000kg, operating hours: 56300h, control: GE Fanuc Series 16i-T. Documentation available. On-site inspection is possible. Expected to be available from February/March 2025. Gedpfxsuku Sye Ag Robg

Condition: excellent (used), Swing over bed 1000 mm Distance between centers 2000 mm Center height 500 mm Swing over slide 700 mm Spindle bore 128 mm Spindle speeds 6.4-1'600 rpm Gbodpfxowhkdce Ag Rsg SIEMENS 810 D control Misc. accessories MARCELS MASCHINEN CH

Condition: like new (used), Year of construction: 2010, Machine Type: CNC Cylindrical Grinding Machine Manufacturer: Fritz Studer AG Model: S22 Year of Manufacture: 2010 Control System: FANUC 31i-A CNC Machine Base: Granitan® S103 mineral casting Configuration: Fixed straight wheelhead for external (OD) grinding Automation: Automatic loading system with FANUC robot integration Distance Between Centers: 650 mm (25.6”) Center Height: 175 mm (6.9”) Max. Workpiece Weight: 150 kg (330 lbs) Max. Workpiece Length: 700 mm Max. Workpiece Diameter: 449 mm Grinding Wheel Diameter: 610 mm Grinding Wheel Width: 160 mm Grinding Wheel Speed: Up to 3,200 rpm Spindle Power: 15 kW (20.5 hp) Wheelhead Type: Fixed straight X-Axis Travel: 310 mm Z-Axis Travel: 850 mm X-Axis Max. Speed: 15,000 mm/min Z-Axis Max. Speed: 30,000 mm/min C-Axis: Full rotation capability for workhead Programming Interface: StuderWIN with FANUC 31i-A Additional Software: StuderGRIND Automation Interfaces: Standard interfaces for loaders and peripherals Gedpfx Aswl Uvksg Rjbg Other Equipment: Rotary dresser, Heidenhain scales, various clamping fixtures

Year of construction: 1971, condition: ready for operation (used), machine/vehicle number: 713406, -KOM 105- Offered here is a grinding machine from the company Kehren & Co with a filter system from the company FAUDI. This is a segment grinding machine with vertical grinding spindle. The machine has 2 grinding tables/magnetic plates for pendulum machining. Technical data: Grinding machine: Manufacturer: Kehren & Co Type: D7B Year of manufacture: 1971 Make No: 713406 2 grinding tables/ magnetic plates with 700mm diameter. Grinding method: segment grinding Control: Marposs weight: 6.600kg Gsdpeg Nt A Eefx Ag Rebg Filter system: Manufacturer: Faudi - Filtersystems Type: AFB 1,3 / 1001 Year of manufacture: 1992

Condition: used, turning diameter over bed 2400 mm turning diameter over slide rest 2200 mm turning length 10000 mm power capacity 185 kW faceplate diameter 1650 mm turning speeds 1,5 -150 U/min max. workpiece weight 70000 kg clamping diameter 1400 mm Technical data Working range Maximum turning diameter over support: 2200 mm Maximum swing diameter over bed: 2400 mm Maximum turning length: 10,000 mm Clamping diameter in the headstock faceplate: 300 - 1,600 mm with special jaws up to 2,050 mm Clamping diameter in the tailstock faceplate: 300 - 1,400 mm Maximum workpiece weight: 70000 kg Main drive, faceplate Faceplate diameter: 2000 mm Faceplate speeds, continuously adjustable in 4 stages: 1.5 - 150 rpm Maximum torque at rated speed: 220,000 Nm Drive power of main motor: 185 kW Flange centre point angle: 70° Supports Travel of the plunge slide: 500 mm Travel of the face slide: 1400 mm Quick adjustment, longitudinal: 2000 mm/min Quick adjustment, face: 800 mm/min Infinitely variable feed, longitudinal: 0.6 - 300 mm/min Infinitely variable feed, face: 0.3 - 120 mm/min Max. cutting force at support: 20,000 kg Tailstock Faceplate diameter (removable): 1650 mm Faceplate clamping diameter: 1400 mm Flange centre point angle: 70° Quick adjustment: 1250 mm/min Special equipment Copying device for first support Copying length 8500 mm Max. copying depth in one pass 500 mm Boring device: Boring bar 460 x 390 mm Drilling diameter 600 - 1000 mm Maximum drilling depth in one pass 2700 mm At Ks of 200 kp/mm² - s max. = 1.5 mm/rev a = max. chip cross-section 30 mm² at a projection of 1000 mm Reduced chip cross-section with increasing drilling depth A guide ruler for cone turning, adjustment angle up to 8° and a maximum cone length (in one pass) of 2000 mm, adjustment accuracy ± 5 minutes. A guide ruler for cone turning, adjustment angle up to 15° and a maximum cone length Gbsdpoxddvnefx Ag Reg (in one pass) of 1000 mm, adjustment accuracy ± 5 minutes. 125 kg auxiliary crane on spindle box.

Condition: used, Year of construction: 2004, pressure 80 t stroke 16 - 63 mm no. of strokes 100 - 750 /min distance between columns 970 mm dayligth (stroke and adjustment up) 380 mm column travel -side 380 mm table surface area 940 x 910 mm Gbjdpfsvuua Njx Ag Rsg hole in the table 770 x 190 mm table height over floor 1180 mm ram surface 940 x 510 mm ram adjustment 76 mm material width 203 mm material thickness - 6,0 mm feed length 0 - 120 mm power requirement 37,0 kW Weight 14,50 t dimensions of the machine ca. 2,7 x 1,7 x 3,6 m permitted for automatic mode according to the CE-Norm with infinitely variable drive, pneumatic clutch/brake combination, semi-automatic stroke adjustment, motoric ram adjustment, fix table, circular oil lubrication mechanical roll feed Bruderer BBV 205/120 with drive via main shaft / pivot shaft of the press consoles Guethle CK A noise enclosure can be offered optionally - price on request

Condition: used, Year of construction: 2012, Technical details: turning diameter over bed: 20 mm spindle passage: 3-20 mm turning length: 250 mm control: FANUC 31 i-A main-spindle speed: 10.000 1/min subspindle speed: 10.000 1/min Main spindle capacity: 3,7 kW subspindle power: 2,2 kW number of tools: 35 weight of the machine ca.: 3,3 t dimensions of the machine ca.: 2,11 x 1,2 x 1,89 m CNC sliding headstock turning/milling centre with B-axis Control system: Fanuc 31i-A Machining length: max. 250 mm Number of controlled axes: 7 axes and max. 5 axes simultaneously B-axis: 0°-130° freely programmable Rod passage: Ø 3 mm to max. Ø 20 mm Drive power main spindle: 3.7 kW Gbsdpjvivx Njfx Ag Rsg Drive power counter spindle: 2.2 kW Main spindle speed: 10,000 rpm Counter spindle speed: 10,000 rpm C-axis: Main and counter spindle Number of linear supports: 2 pieces Total number of tools: 35 pieces Dimensions (LxWxH) in mm: 2,110×1,200×1,885 Weight: 3,300 kg Conversion from long to short turning Deep hole drilling stations NAKANISHI high-speed spindle Rear slide with Y-axis Cross drilling rear side Chip conveyor Fire extinguishing system FMB bar loader Minimag 20, year 2012 Approx. 7.200 working hours *

Condition: used, Year of construction: 2002, grinding diameter 350 mm grinding length 1000 mm centre height 175 mm dimensions of the machine ca. 3,6/3,5 m Photos of identical machine with centre height 225mm Base: Kellenberger Kel-Varia UR175-1000 Kelco 120 Grinding head UR with T1-T2-T3 Basic equipment: -T1 500mm grinding disc diameter -T2 400mm grinding wheel diameter -Infinitely variable, high-resolution axis -Marposs measuring device for tool measurement -Active longitudinal positioning Gedpfx Ajuxfucog Rebg -GAP on T1 and T2 from ELASO contactless integrated in the control interface Semi-automatic balancing from ELASO integrated into the control interface -Tailstock with manual retraction -MK5 workpiece headstock with short taper DIN 55026 Belt-driven internal grinding device Options at an extra charge: - New high-precision workhead with torque drive - Internal grinding device for high-frequency spindles diameter 120mm -HF internal grinding spindle Fischer MFM-1224/42/31 D-21 -HF spindle with HSK holder 24,000 rpm with integrated GAP sensor. (delivery time) -CNC-controlled C-axis non-circular grinding -hydrostatic threaded spindle in x -new hydrostatic unit with only 1 pump and pressure accumulator thus better energy efficiency. -monitoring of the water content in the hydrostatic system -Suction system Further options available on request Mechanical overhaul: -Complete machine overhauled according to Kellenberger measurement protocol -New service-friendly cab -repainting Electrical overhaul: -New modern CNC CIRCULAR GRINDING MACHINE control with BEMA rough grinding surface -New control cabinet -New drive technology -Replacement of all electrical cables Berus pressure switches etc. -New absolute glass scales in x and z -New absolute rotary encoder (for B-axis) Control system: The grinding software consists of a basic licence and various options that are possible depending depending on the equipment of the machine. Basic software - External and internal pendulum grinding - External and internal plunge-cut grinding - External and internal pendulum grinding - External and internal plunge-cut grinding - External and internal taper pendulum grinding - External and internal radius grinding, radius dressed on disc - Semi-automatic pendulum grinding - Workpiece zeroing - Grinding wheel zeroing - Measuring the dressing diamonds - 2 moulding diamonds - 1 shaped diamond or dressing roll (dressing roll required) - Moulding roller (dressing roller required) - 3 Flat dresser - Corrections - Z-position measurement (probe required) - GAP probing (grinding device required) OPTIONS at an extra charge: Software profile plunge-cut grinding: - External and internal profile plunge-cut grinding with profile disc Profile grinding software: - External and internal profile grinding with straight disc Software thread grinding: - Single and multi-start external and internal thread grinding with thread on the disc disc Dressing. Dressing of single and multi-groove discs. Flank angle freely selectable. Trapezoidal thread grinding software: - Additional dressing of trapezoidal threads possible External and internal non-circular plunge-cut grinding: - External and internal non-circular plunge-cut grinding Non-circular grinding software: A prerequisite for non-circular grinding is that the workpiece axis is equipped with a high-resolution rotary encoder so th...

Condition: used, TECHNICAL DETAILS - Number of axes : 3 - Centers height : 175 [mm] Gjdpfouhbydex Ag Rjbg - Distance between centers : 1000 [mm] LINEAR AXES - Grinding length : 500 [mm] - Travels X x Z : 267 X 650 [mm] GRINDING WHEEL HOLDER HEADSTOCK - Continuous orientation : +/-8,5 [°] - External wheel dimensions : 500 x 80 x 203 [mm] - Grinding wheel holder headstock power : 7,5 [kW] - Cutting speed : 44 [m/s] PART HOLDER HEADSTOCK - Taper type : CM5 - Axis C : +/-0.5[°] - Power : 1 [kW] - Rotation speed : 30-1000 [Rpm] TAILSTOCK - Taper type : CM3 - Quill travel : 35 [mm] - Quill diameter : 50 [mm] - Max. part weight between centers : 130 [kg] ELECTRIC SUPPLY - Supply voltage : 400V 50 Hz - Machine dimensions : 2700 x 2350 x H. 2100 [mm] - Weight : 4 000 [kg] HOURS - Working hours : 17.775 [h] EQUIPMENT - CNC FANUC 16i-TA control - Pictogramming - Studer RELEASE C - Electronic handwheel - SENSITRON - Dynamic balancing device : Hydrobalance HBA 40000-1 - Automatic length probe arm MOVOMATIC C25 - Automatic outer diameter probe arm in-process MOVOMATIC - Grinding wheel safety guard with automatic toppling - Fixed grinding device upon part-holder headstock - Coolant tank : 375 [l] - Paper filtering unit - Oil mist extractor - Wheel-holders flanges

Condition: used, Year of construction: 1996, grinding length 600 mm grinding width 250 mm workpiece height ca. 385 mm table surface area 600 x 200 mm table speed -stepless- 2 - 35 m/min table load capacity max. 250 kg grinding wheel size ø 225 x 25 mm grinding wheel hole diameter 50,8 mm vertical feed autom. 0,001 - 0,099 mm rapid traverse vertical 600 mm/min cross feed of table continual 10 - 1000 mm/min rapid traverse cross 1000 mm/min total power requirement 6 kVA dimensions of machine L x W x H 2,65 x 1,70 x 2,28 m Accessories: DRO on Y-and Z-axis, magnetic plate 600 x 200 mm, Gsdpfot Tqrnsx Ag Robg grinding wheel with flange, wheel trueing attachment, wet grinding attachment with paper band filter