Internal Grinding Machine

Combitec CT960 Retrofit by Studer 2012

Condition: good (used), Cylindrical Grinder STUDER Favorit S35 Crjdpfxsrakibs Ab Tjk

Condition: refurbished (used), Year of construction: 2025, operating hours: 36 h, functionality: fully functional, machine/vehicle number: 1024-54, Country of Manufacture: Switzerland Voltage: 380/50/3 Net weight: approx. 1600 kg Customs tariff: 8460.2920 Dimensions: 235 x 155 x 145 cm TECHNICAL FEATURES: MAIN DIMENSIONS: Centre height: 100 mm Distance between centres: 400 mm LONGITUDINAL SLIDE: Max travel: 420 mm Minimum automatic travel: 1 mm Table feed speed: 100–3500 mm/min Overtravel delay: 0–5 sec. Maximum table swivel (400/650 mm): 30°/15° CROSS SLIDE: Max travel: 170 mm Rapid traverse: 30 mm Plunge depth (diameter): 1.9 mm Feed rate 1: 0.03–1.5 mm/min Feed rate 2: 0.02–0.3 mm/min Plunge feed per impulse: 0.0005–0.025 mm WHEELHEAD: Grinding wheel (diameter x width x bore): 350 x 32 x 127 mm Drive power: 3 kW Peripheral speed: 30 m/s Spindle speeds: 1600/1975/2200 rpm Manual stroke: 120 mm Swivel to right: 15°/30° Credpfx Asw T Sc Nsb Tsk Optional wheel guard for wheel set max width: 50 mm WORKHEAD: Swivel range: 0°–90° Spindle speeds: 80/175/380/800 rpm Internal taper: Morse 4 Collet type: W-20 Drive power: 0.5 kW Maximum workpiece weight: 20 kg Load for in-the-air grinding: 12 Nm Optional stepless drive speed range I: 30–300 rpm Optional stepless drive speed range II: 120–1200 rpm TAILSTOCK: Internal taper: Morse 2 Quill travel: 20 mm GUARANTEED WORKING ACCURACY: Generator straightness: Between centres: 400 mm Measured over 400 mm: 0.002 mm Between centres: 650 mm Measured over 650 mm: 0.003 mm Roundness accuracy for in-the-air grinding: 0.0004 mm CONNECTION VALUES: Power consumption: max. 8 kVA Permissible voltage variation: –15% / +10% Permissible frequency variation: ±3% Compressed air: 5 bar All technical specifications are given without obligation and subject to errors or omissions.

Condition: good (used), Year of construction: 1988, spindle turning speed range 170 - 18000 U/min weight of the machine ca. 7,5 t dimensions of the machine ca. 5,00 x 4,00 x 2,20 m --> Control conversion (2014) to Siemens Sinumerik 840D Solutionline --> Overhaul of the new control system in 2016 --> Technical data Grinding diameter: 20 - 300 mm --> Oscillation diameter: 350 (500) mm --> Workpiece length: 300 (1300) mm --> Recommended grinding depth up to: 300 mm --> Grinding table stroke Z-axis (total): 650 (950) mm --> Resolution: 0.001 mm --> Rapid traverse: 12 m/min-1 --> Grinding stroke speed: 0 - 9.99 m/min-1 --> Feed rate: 0 - 99.99 m/min-1 --> Step feed value during reversal: 0 - 0.999 mm --> Grinding table stroke X-axis (total): 150 mm --> Resolution: 0.001 mm / Ø --> Rapid traverse: 5 m/min-1/R --> Grinding stroke speed: 0 - 5 m/min-1/R --> Feed rate: 0 - 99.99 m/min-1/R --> Step feed value during reversal: 0 - 0.999 mm / Ø --> Swivel capability of the workpiece headstock: --> B-axis: -32° (-23°) / +2° --> Resolution: 0.0001° (0.36") --> U-axis stroke (total): 300 mm --> Resolution: 0.001 mm / Ø --> Travel speed: 5 m/min-1 --> Centre height above workpiece table: 200 (300) mm --> Centre height above grinding table: 330 (430) mm --> Workpiece spindle passage: 50 (70) mm Codpfsw Intasx Ab Tork

Condition: ready for operation (used), Year of construction: 2004, functionality: fully functional, machine/vehicle number: 029.0118, center height: 125 mm, distance between centers: 400 mm, Used machine fully functional. Functions and machine have been checked by a Studer technician. Technical data according to separate PDF. Csdswqlgdepfx Ab Tsrk

Condition: used, STUDER S41 is a CNC cylindrical grinder engineered for precision, high accuracy and reliability. Capacities: centre height 275 mm, distance between centres 1000 mm, max workpiece Ø 550 mm, workpiece height 1000 mm, Z 1150 mm, X 350 mm, workpiece weight 250 kg. Specs: grinding wheel Ø500×100 mm, peripheral speed 50/80 m/s, spindle speeds 0–4500 rpm, wheel head swivel -45/+225°, workpiece spindle motor 15 kW, 3x400 V 50 Hz, air 5 bar, tailstock stroke 60 mm (Ø 60 mm), machine weight ≈9000 kg. Accessories: high‑res C‑axis, B1+B2 axes, coolant system, internal grinding attachment, 2 spindles, lamp, status light, PC system, electronic handheld control, foot pedal. Achieves tight tolerances; typical in automotive, aerospace, toolmaking, medical and watchmaking. Csdpfexx U Dfox Ab Tork

Condition: used, Year of construction: 2003, grinding diameter 450 mm Csdpfexflcrsx Ab Tsrk grinding length 1500 mm centre height 225 mm

Condition: reconditioned (used), functionality: fully functional, Machine characteristics : Centre height : 125 mm ( 175 mm with the heights ) Distance between centres : 600 mm Grinding wheel: Diameter 400 mm Width 50 mm Bore 127.0 mm Angular displacement : 270 ° Work piece spindle head: from 20 rpm up to 400 rpm Spindle taper: 5 MT Taper in tailstock: 3 MT Table angular displacement : 10 ° Table speed: stepless up to 6.0 m/min External Grinding wheel motor : 4.0 Kw Workhead spindle motor : 2.2 Kw Machine's weight about : 2700 kg Overall dimensions machine: Length : 2580 mm Width : 1680 mm Height : 1670 mm The machine is fully retrofitted and it includes: - New electric cabinet and new electric diagram - New motor and frequency variator for the workhead - 2 axis DRO - Cooling tank - Geometry made according to the Kellenberger protocol - Lot of accessories Csdpfxoxyw Ehs Ab Tork

Condition: used, STUDER CT 960 is an Internal grinding machine delivering precision, high accuracy and reliable performance. Working capacities: centre height 150 mm, grinding length 150 mm, X/Z travels 400 mm, wheel diameter 250 mm, spindle hole 35 mm; B-axis +61/-91°, rotatable head -5/+275°, turret with 4 spindles. Main specs: spindle speeds 6000 / 45000 / 60000 / 90000 rpm; X/Z feeds 12 m/min; air 6–10 bar; 3x 400 V 50 Hz; total power 34 kVA; weight ~4050 kg; dimensions L 3218 × W 2256 × H 2300 mm. Equipment: coolant system, measuring probe, diamond redresser, spindle cooling, flanges for internal grinding, tool holders, 3-jaw chucks Ø100/125/160, magnetic chuck Ø125/300, tool cabinet, lamp, fire system, electronic handwheel, external grinding spindle 6000 rpm, calibration accessories. Enables tight tolerances; suited to automotive, watchmaking, machine tools, aerospace and medical sectors. Cjdpfxoxx U Auj Ab Terk

Condition: used, Year of construction: 1998, centre height 125 mm centre distance 400 mm Control FANUC 21i Capstan diameter max. 406 mm wheel dimensions 406 x 127 x 40 mm workpiece weight 30 kg longitudinal slide -travel 483 mm cross slide - travel 254 mm total power requirement max. 20 kVA weight of the machine ca. 4,0 t Cjdpfx Aexwdwfeb Tork dimensions of the machine ca. 3,0 x 2,0 x 2,1 m including 2 Pcs. internal grinding spindle incl. B axis 1° Hirt, controlled incl. C-axis incl. Quick-Set Probe including Sensitron including Magnetic Jaw including hydraulically foldable dresser including other small accessories including documentation without a coolant system, as it was previously connected to a central unit Power On hours approx. 71,000 h Spindle hours approx. 25,900 h

Condition: used, Year of construction: 2000, grinding diameter: 340 mm, workpiece weight between centers: 80 g, controller manufacturer: GE FANUC, controller model: 16IT, CONTROLS .. CNC controls GE FANUC 16IT WORKING RANGE CYLINDRICAL GRINDING .. swing diameter (max): 340 mm .. workpiece weight between centers (max): 80 kg WORKING RANGE EXTERNAL GRINDING .. grinding diameter (max): 340 mm .. grinding length: 650 mm WORKPIECE SPINDLESTOCK .. c-axis: yes TAILSTOCK .. distance betw. centers (max): 650 mm SPINDLESTOCK GRINDING SPINDLE .. X-axis travel: 370 mm .. Z-axis travel: 800 mm .. tilting range (B-direction) min: -30 ° .. rotating range B-axis up to: 225 ° .. spindle revolutions (min): 1 /min .. spindle revolutions (max): 1500 /min GRINDING TOOL .. type of grinding tool: wheel .. diameter (max): 500 mm .. borehole: diameter: 203 mm .. width: 63 mm SPINDLESTOCK INTERNAL GRINDING .. spindle revolutions (max): 30000 /min ELECTRICAL SPECIFICATIONS .. mains power supply: 20 kVA .. mains voltage: 400 V .. mains frequency: 50 Hz Crodpfexun E Ujx Ab Tek DIMENSIONS / WEIGHTS .. space requirements -left/right-: 5000 mm .. total weight approx.: 9500 kg ATTACHMENTS (GRINDING) .. internal grinding spindle: yes Equipment: 2 external grinding spindles 1 internal grinding spindle Fischer MFV 1230, 30000 1/min - C-axis for curve or polygon grinding (incl. HSM option) - Dressers: 1x fixed diamond on the tool holder, 1x dressing spindle on the tool holder, 1 swivel dresser - Studer Quickset, - Movomatic ES400 connection for measuring unit, (without measuring probe) - 1 tailstock, - 1 swivel dresser, - The machine can be converted to a jaw chuck - No water treatment, as it is installed on a central system