Used Studer Favorit_1044 for sale (89)

Condition: used, Year of construction: 2003, internal diameter 99999 mm grinding depth 99999 mm swing diameter 99999 mm grinding diameter 99999 mm grinding length 200 mm Nodpfx Abeuxft Sowewi centre height 175 mm CNC internal grinding machine B-axis 4 x 90° Q-axis for adjusting tapers Used with minor maintenance 2 HF internal grinding spindles: -Fischer MFM 1090 90,000 rpm -Fischer MFM 1242/60 42,000-60,000 rpm 1 external grinding motor spindle Fischer MFVS1407 7,000 rpm -Pneumatic power clamping device with 20mm stroke -Dressing device with 2 swivelling arms, hydraulically foldable back -Grinding detection ring sensor Dittel on the workpiece headstock -Passive grinding detection with magnetic base -Paper belt filter 375 l

Condition: used, Year of construction: 2002, grinding diameter 250 mm grinding length 400 mm centre height 125 mm Control Fanuc 21i-T Maschine gewartet und teilüberholt. -Neue Schleifspindellagerung -Neue x-Achs Spindel -Obertisch überschliffen Nwjdpfx Aevx Dvuebwoi -Neue Geometrie Tischgeometrie -Neue Geometrie WSS zu Schleifspindeln B-Achse mit 1° Hirth Verzahnung Längspositionierung HF-Innenschleifspindel GAP Papierbandfilter

Condition: used, Year of construction: 2004, grinding diameter 250 mm grinding length 650 mm Nwjdpfoywntyox Abwji centre height 125 mm Maschine wird mit Wartung und neuer Geometrie verkauft Betriebsstunden bisher 12260 Reitstock mit Feinverstellung Schleifspindelstock schwenkbar mit 5° Hirtverzahnung Papierbandfilter Marposs Messeinrichtung Innenschleifeinrichtung

Condition: good (used), grinding length: 500 mm, A Studer cylindrical grinding machine of the type RHU 500 is for sale The machine is in good condition and fully operational, the guides show hardly any signs of wear. Technical data Grinding wheel diameter: Ø 250 mm Nodjqzh Eljpfx Abwswi Sanding length: 500 mm Sanding wheel size: 400 x 50 mm On request, dismantling, loading and transport can be organized throughout Europe for an additional charge Prices plus VAT Glnld8 Viewing possible by appointment. Contact us, our team will be happy to help you. Trade-in or exchange possible! Machines purchase / sale PURCHASE / SALE OF PRODUCTION & METALWORKING MACHINES AND MUCH MORE. Do you need a high-quality but inexpensive metalworking machine for your production? Or do you want to sell yours? For further information or contact options, please visit our website

Condition: like new (used), Year of construction: 2023, operating hours: 200 h, functionality: fully functional, center height: 175 mm, center width: 650 mm, The machine was accepted by Studer and has never been put into operation. Nsdpfoyttcqjx Abwewi

Year of construction: 1989, condition: ready for operation (used), functionality: fully functional, machine/vehicle number: 5117.19, TECHNICAL DETAILS Grinding diameter: 450 mm Grinding length: 1600 mm Center height: 225 mm Control system: Siemens Sinumerik System3 Rotational speed: max. 2440 rpm Center distance: 1750 mm Resolution: 0.001 mm Speed: 0.06 - 10000 mm/min Cross slide: 180 mm Feed rate: 0.01 - 5000 mm/min Resolution: 0.0005 mm Workpiece weight: max. 500 kg Tailstock travel: 40 mm Straightness of the outer circumference over 650 mm: 0.004 mm Roundness accuracy: 0.0005 mm Nwjdpfxslnkfaj Abwji MACHINE DETAILS Machine weight: approx. 7.3 t Total connected load: max. 22 kVA

Condition: excellent (used), FANUC 21i-T Control Center Height 175 mm Distance between centers 1000 mm Grinding head B-axis 1° Grinding wheel 500 x 63 x 203 mm Grinding wheel speeds -1'500 rpm Internal grinding attachement 60'000 rpm Work piece spindle head C-axis 0.001 ° Nedeyabt Djpfx Abwewi Measuring probe Automatic balancing attachement Wheel dresser Misc. accessories MARCELS MASCHINEN AG

Condition: refurbished (used), Year of construction: 2006, functionality: fully functional, machine/vehicle number: 119/020.0895, Manufacturing origin CH Voltage 400 V Netweight 4500 kg Custom position 8460.2320 Dimensions 2700x2350x2100 mm TECHNICAL DATA Control Fanuc 16i-T Center height 175 mm Distance between centers 1000 mm LINEAR AXES Grinding length 500 mm Strokes X : 267 mm Njdpfx Abjlbgfcewjwi Z : 650 mm WHEEL HEADSTOCK Continuous orientation +/- 8.5°. External grinding wheel size 500x80x203 mm Power 7.5 kW Speed 44 m/sec. WORKPIECE HEADSTOCK Taper type MT5 C-axis +/- 5 Power 1 kW Speed 30-1000 min-1 TAILSTOCK Taper type MT3 Sleeve stroke 35 mm Sleeve diameter Ø 50 mm Max. workpiece weight 130 kg POWER SUPPLY Voltage 400V 50 Hz errors and omissions excepted-data given without obligation Fully overhauled: Mechanics, geometry, hydraulics and electrical parts checked and/or replaced. Grinding headstock Disassembly, cleaning of parts, replacement of worn and defective parts, overhaul of motor, replacement of bearings, replacement of belts, disassembly of spindle, replacement of seals and O-Rings + adjustment. New paintwork. Headstock Dismantle, clean parts, replace worn and faulty parts, overhaul motor, replace belts. New spindle bearings. New paintwork. Tailstock Dismantled, checked and overhauled. Hydraulics Dismantle, check motor, replace hoses, defective and worn parts. Check hydraulic block X-axis Dismantle, replace worn parts such as O-Rings, seals, rings etc., overhaul hydraulic piston, grind tables. Z axis Dismantle, grind tables, replace worn and defective parts, overhaul hydraulic piston, new paintwork. Electrical cabinet Complete check, change various relays. Painting Colors: White RAL 9003 and gray RAL 7011 Geometry according to manufacturer's protocol. Inspection and cleaning of various accessories

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 Nsdpfsw T Sc Nex Abwowi 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° 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: refurbished (used), Year of construction: 2025, operating hours: 50 h, machine/vehicle number: 3018-04, Country of manufacture: Switzerland Voltage: 380/50/3 Net weight: 3100 kg Overall dimensions: 230x155x170 cm Installed power: 13 kVA Customs tariff position: 8460.2920 TECHNICAL SPECIFICATIONS MAIN DIMENSIONS Distance between centers: 650 mm Grinding capacity SpW+bs: -80 Stroke: 700 LONGITUDINAL SLIDE Max stroke: SpW+50 mm Minimum automatic feed: 1.5 mm Speed: 50-5500 mm/min Reversal delay: 0-6 sec Maximum table swivel: 12°/10°/8.5°/6° Pneumatic relief for table and workhead Nodsw T Sd Tspfx Abwewi CROSS SLIDE Max stroke: 300 mm Rapid traverse: 60 mm Plunge grinding depth in diameter: 3.4 mm Feed 1: 0.012-6 mm/min Feed 2: 0.012-1.2 mm/min Feed per pulse: 0.001-0.05 mm GRINDING WHEEL HEADSTOCK Left-side wheel, external grinding: 400x80x127 mm Drive power: 5.5 kW Peripheral speed: 35 m/s RPM: 1670/2110 min-1 Internal grinding device for belt-driven spindles, including drive unit: 1.5 kW WORKHEAD Swivel range: 0-90° Continuously variable RPM: 30-1000 min-1 Internal taper: Morse 5 Collets: W-25 Drive power: 0.55 kW Maximum workpiece weight between centers: 130 kg Grinding load between centers: 100 Nm TAILSTOCK Internal taper: Morse 3 Quill stroke: 35 mm Fine adjustment for cylindricity correction: ± 40 μm TECHNICAL CHARACTERISTICS: GUARANTEED WORKING ACCURACY Straightness of the generator over 630 mm: 0.003 mm Roundness during chuck grinding: 0.0003 mm CONNECTION VALUES Maximum absorbed power: 13 kVA Maximum permitted voltage fluctuation: -15%/+10% Maximum permitted frequency variation: ± 3% Required compressed air pressure: 5 bar Unless otherwise stated or in case of error or omission, these technical details are provided without engagement.

Condition: refurbished (used), Year of construction: 2007, functionality: fully functional, machine/vehicle number: 027.0400/067, CNC CYLINDRICAL GRINDER STUDER S-33 CNC Year: 2007 - Fanuc 21i-TB 1 External Grinding Spindle Country of Origin: Switzerland Voltage: 380/50/3 Net machine weight: 4,000 kg Nwedpfew T Sh Ejx Abwoi TECHNICAL SPECIFICATIONS Distance between centers: 600 mm Center height: 175 mm Maximum workpiece weight: 80 kg Longitudinal Slide Z Max. travel: 800 – 1,150 mm Travel speed: 0.001 to 10,000 mm/min (early 2000’s model: 0.001-5,000 mm/min) Resolution: 0.0001 mm Cross Slide X Max. travel: 285 mm Travel speed: 0.001 to 20,000 mm/min (early 2000’s model: 0.001-10,000 mm/min) Resolution: 0.0001 mm Wheelhead (universal version) Swiveling range: -15° to 225° (early 2000’s model: -15° to 195°) Swivel axis: 2.5 / 1 ° Hirth Drive power: 7.5 or 9 kW or 11 kW Grinding wheel: 500x63 (80/110F5) x203 mm Workhead Rotational speed: 1 – 1,500 min-1 Mount taper: MT4 or MT5 / ISO 50 Drive power: 1.6 or 3.0 or 4.0 kW Tailstock Mount taper: MT3 or MT4 Quill stroke: 35 / 50 mm (early 2000’s model: 35 mm) Quill diameter: Ø 50 mm Fine adjustment: +/- 40 µm Control system: Fanuc 21i-TB All technical details are provided in good faith but subject to errors or omissions.

Condition: used, Year of construction: 1991, functionality: fully functional, machine/vehicle number: 7360.32, Machine: Studer S40-4 Serial number: 7360.32 Year of manufacture: 1991 Nwjdpfx Aeyilirjbwsi Control: Sinumerik System 3 Power supply: 22 kVA

Condition: ready for operation (used), Weight: 2.2t, including documentation. Njdpfx Aemqly Uebwowi

Condition: ready for operation (used), Year of construction: 2002, functionality: fully functional, center height: 225 mm, controller model: Fanuc 16T, TECHNICAL DETAILS Njdpfx Aoxlix Dsbwewi Centre height: 225 mm MACHINE DETAILS Control: Fanuc 16T

Condition: good (used), Year of construction: 2000, functionality: fully functional, machine/vehicle number: 018.0179.90.035, (Please tell us your offer price) Nwjdpfeyh R Uwjx Abwoi Sale only within Europe, incl. Turkey Price without packaging; delivery condition: FCA (machine location) ===== Technical data see handout. All warranty rights are excluded. For the correctness of the technical data and year of construction, for the completeness of accessories and tool equipment, and for compliance with all safety and environmental protection requirements specified in the accident prevention regulations. No sale to private individuals. Sales only within Europe, incl. Turkey Price without packaging; Delivery condition: FCA (machine location) ===== Technical data please see handout in attachment. German text leading language. Without any guaranty and warranty, including completeness of tools & accessories as well as environmental and safety regulations. No private sales.

Condition: ready for operation (used), Offered is a used high-precision Studer S35 CNC cylindrical grinding machine. Center distance: 1000mm, center height: 175mm, swing diameter max. approx. 350mm, workpiece weight: approx. 80kg, resolution: measuring systems glass scales range 0.0001mm 0.1µm. Inspection by appointment possible. Nwedpfjykuucex Abwsi

Condition: ready for operation (used), Year of construction: 2004, operating hours: 2,184 h, functionality: fully functional, machine/vehicle number: 2407-463, spindle speed (max.): 60,000 rpm, number of spindles: 3, swivel angle B-axis (min.): -90 °, swivel angle B-axis (max.): 15 °, TECHNICAL DETAILS Nwjdpfsxtdfbox Abwei Grinding spindle speeds Spindle 1: 60,000 rpm Spindle 2: 60,000 rpm Spindle 3: 45,000 rpm B-axis swivel range: -90°/+15° MACHINE DETAILS Spindle hours Spindle 1: 11,278 h Spindle 2: 2,184 h Spindle 3: 2,841 h Main counter: 45,144 h EQUIPMENT Touch probe (on 4th spindle position)

Condition: good (used), Cylindrical Grinder STUDER Favorit S35 Nwodpfx Aerakibebwoi

Condition: ready for operation (used), Transroll spindle L = 875 mm from Studer S60 adjustment range: 570 mm, Ø 63 mm, pitch: 5 mm, Ø ball cage: 90 mm, Ø mounting flange: 125 mm, Ø pin: 30/40 mm, Ø pin thread: 40 mm, used, normal signs of wear, 100% functional Nodpfexaibuox Abwswi

Condition: as good as new (ex-display), Year of construction: 2026, Center height: 181 mm Center distance: 650 mm Maximum grindable workpiece diameter: 360 mm Max. load (overhung): 1000 N / 100 kg Max. load (between centers): 3000 N / 300 kg Z-axis Table swivel angle: 10° Table drive hydraulic: 0–4 m/min X-axis Cross slide travel: 80 mm Rapid traverse (hydraulic): 50 mm Coarse positioning—air cushion: 280 mm Infeed drive via DC motor Rapid feed rate: 48 mm/min/Ø Infeed process: Plunge / Longitudinal grinding 4 pre-selectable feed rates: mm/min/Ø 0.01–48 4 pre-selectable infeed increments: mm/ 0.001–0.1 Spark-out during end stop grinding: s 0–99 / 0–99 strokes Jog infeed: mm/Ø 0.001 Grinding spindle headstock—universal, swiveling: degrees 0–180 Grinding wheel (external): D x width x bore mm 500x100x127 or 203.2 Grinding wheel (face, option): D mm 250x32x76.2 Grinding wheel (internal, option): D mm (2–250) Drive power (external, face): kW 5.5 (7.5) Drive power (internal): kW 2.2 Peripheral speed (external): m/s 35 (50) Grinding wheel wear (external): mm/Ø 160 Wheel guard width: mm 100 Grinding spindle diameter: mm 60 Internal spindle mount: mm 80 (100) Workpiece headstock: Infinitely variable drive, MK 4: 1/min 30–270/ 50–450 Workpiece spindle lockable Spindle mount: mm MK 4/24 Spindle nose for flange mounting: MK 4 mm cylindrical Ø63H6 x 6 Workpiece headstock swivels on the rotary part: degrees 0–90 Tailstock: Quill mount / quill diameter: mm MK 4/750 Njdpfxjtqf Sqo Abwewi Quill stroke mm: 45 Quill force N: 100–800 / 250–1400, adjustable Quill actuation: manual (foot switch) Quill fine adjustment: ±40μm Connections: Total power requirement of the machine: kW 6.5–10 Grinding spindle headstock: kW 5.5 (7.5) Workpiece headstock: kW 0.55 (1.1) Coolant cleaning: kW 0.75–2.2 Guideway lubrication pump: kW 0.1 Hydraulic pump: kW 1.5 Hydraulic tank: liters 80 Pneumatics: bar 6 Similar to Weiss/ EMAG/ GP cylindrical grinding machines/ Studer/ Kellenberger/ Schaudt/ Tschudin/ Tacchella/ Dannobat/ Bahmüller/ Fortuna

Condition: refurbished (used), Year of construction: 2026, Karstens K11 1000, Fully Equipped This cylindrical grinding machine has been completely overhauled at PS-Karstens. The machine has been inspected and is in very good condition. Since we specialize in Karstens cylindrical grinding machines, we can offer you a complete service (electrical and mechanical) for the machine after purchase. Technical Data: Center distance: 1000 mm Center height: 180 mm Workpiece weight: 100 kg (overhanging), 250 kg (between centers) Grinding wheel diameter: 400 mm Workpiece spindle: MK 4, stepless speed adjustment 30-450 rpm, swivel range 0 - 90 ° Tailstock: MK4, quill stroke 45 mm, fine adjustment with cylinder Quill force: 200-600 N, hydraulically operated via foot pedal Table inclination: 10 degrees Adjustment travel of the feed spindle: 80 mm Rapid traverse: 50 mm Coarse adjustment with air cushion: 280 mm Grinding spindle motor (external): 4 KW Grinding spindle motor (internal): 2.2 KW Workpiece spindle motor: 0.55 KW Machine weight: Net 3800 kg Feed drive via DC motor Nodeh Riwdepfx Abwjwi Air cushion-assisted rapid adjustment of the grinding spindle head for quick and safe approach to the grinding position. Separate drive for the spindles for external and internal grinding. Fully automatic operating sequence, feed movement via a 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 steplessly adjustable drive with a rotating and lockable spindle. Feed control for longitudinal grinding and plunge grinding, input for retraction, feed amounts, feeds, dwell times, rapid traverse Digital displays for grinding spindle B-axis, workpiece spindle, X-axis, Z-axis from HEIDENHAIN Paper band filter system, approx. 250 L Similar to Weiss/EMAG/GP cylindrical grinding machines/Studer/Kellenberger/Schaudt/Tschudin/Tacchella/Dannobat /Bahmüller/Fortuna

Condition: new, We offer you spare parts of all kinds for your conventional or CNC Karstens / EMAG WEISS / GP cylindrical grinding machine—covering your tailstock, workpiece headstock, grinding spindle headstock, ball screw spindles, glass scales, grinding wheel flanges, drive motors, axis drives (BOSCH SIEMENS), ECKELMANN controls, bellows, bearings, K11/K21 infeed controls (new and used), as well as Z-axis reversing blocks for exchange. We service machines from year of manufacture 1955 onwards: ASA-ASE-K10-K11-K12-K13-K16-K19-K21-K22-K23-K24-K25-K26-K27-K28- K29-K33-K35-K37-K50-K51-K52-K53-K57-W11-W21-GP cylindrical grinding machines—all assemblies based on Karstens design. Nwsdeup Aikepfx Abwoi Comparable/ EMAG-WEISS/ GP cylindrical grinding machines/ Studer/ Kellenberger/ Schaudt/ Tschudin/ Tacchella/ Dannobat.

Condition: new, We offer all types of spare parts for your conventional or CNC Karstens/GP cylindrical grinding machine, including components for your tailstock, workpiece spindle head, grinding spindle head, ball screws, glass scales, grinding wheel flanges, drive motors, axis drives (BOSCH SIEMENS), bellows, bearings, K11/K21 infeed control systems—new and used—as well as reversing blocks for the Z axis on an exchange basis. Also suitable for similar Weiss/EMAG/GP cylindrical grinding machines, Studer, Kellenberger, Schaudt, Tschudin, Tacchella, Dannobat, Bahmüller, Fortuna. Nwodpfx Aeraibvjbwji

Condition: excellent (used), Year of construction: 1980, Karstens K11 1000 This Karstens K11 comes from a university and has seen very little use. All cables and hoses in the wet area have been replaced. It has extremely few operating hours. Since we specialize in Karstens round grinding machines, we can offer you complete service (electrical and mechanical) for the machine after purchase. Technical data: Center distance: 1000 mm Center height: 180 mm Workpiece weight: 70 kg cantilevered, 250 kg between centers Grinding wheel diameter: 400 mm Workpiece spindle: MK 4, speed continuously adjustable 30-450 rpm, swivel range 0 - 90 ° Tailstock: MK4, quill travel 45 mm Tailstock rest next to the Z-axis table Quill force: 200-600 N Table tilt: 12.5 degrees Adjustable travel of the feed spindle: 80 mm Rapid traverse: 50 mm Coarse adjustment with air cushion: 280 mm Grinding spindle motor (external): 4 KW Grinding spindle motor (internal): 2.2 KW Workpiece spindle motor: 0.55 KW Machine weight: Net 3500 kg Feed drive via DC motor Air cushion-supported rapid adjustment of the grinding spindle stock Nwsdpfoh Rit Eex Abwsi for quick and safe positioning of the grinding position. Separate drive for the spindles for external and internal grinding. Fully automatic working cycle, feed movement via a wind rose switch: Rapid traverse forward, rapid traverse backward, grinding operation, feed stop, mym feed. Automatic longitudinal grinding cycle Central coolant supply for all grinding points Workpiece spindle stock with continuously adjustable drive for both rotating and lockable spindle. Feed control for longitudinal grinding and face grinding, input for retraction, feed amounts, feeds, dwell times, clearance strokes Digital display for X-axis from Heidenhain Paper band filter system can be offered upon request. Similar to Weiss/EMAG/GP round grinding machines/Studer/Kellenberger/Schaudt/Tschudin/Tacchella/Dannobat .

Condition: refurbished (used), Year of construction: 2026, Karstens K11 650 This cylindrical grinding machine has been completely overhauled by PS-Karstens. The machine has been inspected and is in very good condition. Nwedpfx Aoh Rixxsbwoi Since we specialize in Karstens cylindrical grinding machines, we can offer you complete service (electrical and mechanical) for the machine after purchase. Technical data: Distance between centers: 650 mm Distance between centers: 180 mm Workpiece weight: 100 kg cantilevered, 250 kg between centers Grinding wheel diameter: 400 mm Workpiece spindle: MK 4, speed continuously adjustable 30-450 rpm, swivel range 0 - 90 ° Tailstock: MK4, quill stroke 45 mm, cylinder fine adjustment Quill force: 200-600 N, hydraulically operated via foot pedal Table inclination: 10 degrees Adjustment travel of feed spindle: 80 mm Rapid traverse: 50 mm Rough adjustment with air cushion: 280 mm Grinding spindle motor external: 4 KW Grinding spindle motor internal: 2.2 KW Workpiece spindle motor: 0.55 KW Machine weight: Net 3800 Kg Feed drive via DC motor Air cushion-supported rapid adjustment of the grinding spindle head for quick and safe positioning to the grinding position. Separate drive for the spindles for external and internal grinding. Fully automatic process, feed movement via jog shuttle 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 rotating and lockable spindle. Feed control for longitudinal grinding and plunge grinding, input for retraction, feed amounts, feed rates, dwell times, non-cutting travel Paper band filter system approx. 250 L Similar to Weiss/EMAG/GP cylindrical grinding machines/ Studer/ Kellenberger/ Schaudt/ Tschudin/ Tacchella/ Dannobat/ Bahmüller/ Fortuna