Used Studer S30-12Cnc for sale (631)

Condition: ready for operation (used), functionality: fully functional, The Studer S30-12 CNC is a precision cylindrical external grinding machine from Fritz Studer AG. Brand: Studer Type: S30-12CNC Serial number: 1248.74 Gsdpfx Abszn Nqrefska Dimensions: L3250mm Dimensions: W2000mm Dimensions: H1950mm Wheel speed: 30 m/s

Condition: used, Surface grinder Center height 125 mm Distance between centers 650 mm Grinding wheel diameter 250 mm Grinding disc diameter 400 mm Total power requirement 8 kW Weight approx. 2500 kg Gkjdpfegfqn Nox Abfsa This is a machine from Machines4you.

Condition: refurbished (used), machine/vehicle number: 3439.39, Universal cylindrical grinding machine for external and internal cylindrical grinding. • Distance between centers: 650 mm Gkjdpoxxy A Tefx Abfja • Height between centers: 175 mm • Completely overhauled (refurbished) – The machine was completely disassembled and rebuilt component by component. Guide rails were reconditioned, bearings were replaced, new control cabinet and new electrical installation, complete new paint job, and geometrical readjustment for maximum precision. • Equipped with a digital measuring system (Fagor). • Machine condition comparable to a new machine, ready for immediate use. • Extensive accessories included in the scope of delivery, as shown in the photos. • Demonstration under power and test run possible at any time. Availability: Available for immediate delivery!

Condition: ready for operation (used), Year of construction: 1998, functionality: fully functional, machine/vehicle number: LEAN PRO, FANUC 16 T FULLY FUNCTIONAL RANGE OF ACCESSORIES FILTRATION SYSTEM Gksdpozfx D Nefx Abfea MIST EXTRACTOR MACHINE MANUALS

Condition: refurbished (used), Year of construction: 2005, functionality: fully functional, machine/vehicle number: 019.3790, Machine undergoing repair/overhaul = estimated delivery time approximately 8-10 weeks. Gkjdpfxjzbqzae Abfea Technical data + accessories, see separate PDF.

Condition: refurbished (used), Year of construction: 2025, Studer S30 Maximum distance between centers: 125 mm Distance between centers: 650 mm Workpiece weight: 80 kg Additional optional features: - Completely new control cabinet with basic PLC and panel - Conversion to ball screw drive incl. PLC Pro (cycle-controlled) - "Workpiece memory" PLC Pro for 10/15/30/50 workpieces - Glass scale in X and Z axes Gkedjd Hdxwspfx Abfea - Swivelable internal grinding device - Motor spindle for internal grinding device - Frequency converter for external grinding spindle - Frequency converter for internal grinding spindle - In-process grinding sensor - Guard for external grinding spindle - Safety door - manually operated - Grinding wheel flange - LED spotlight with flexible arm - Matching coolant system

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 Gkjdpfsvca Izox Abfoa 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.

Year of construction: 1999, condition: ready for operation (used), travel distance X-axis: 275 mm, travel distance Z-axis: 1,050 mm, controller manufacturer: FANUC, controller model: Series 16-T, number of axes: 2, Cylindrical grinding machine manufactured in 1999. This STUDER S30 LEAN PRO features maximum table swivel 8.5 degrees, X-axis travel of 275 mm, and Z-axis travel of 50 mm. If you are looking to get high-quality grinding capabilities, consider the STUDER S30 LEAN PRO machine we have for sale. Contact us for further details. Gjdpfey Hi T Hex Abfoka TECHNICAL SPECS:- Centre height: 175 mm (6.9") - Centre distance: 00 mm (39.4")- Longitudinal slide Max. travel: 50 mm (41.4")- Longitudinal slide Speed (vt): ,000 mm/min (394 ipm)- Longitudinal slide Resolution: mm (.000.004")- Maximum table swivel (Centre distance 00): 8.5 degrees- Wheelhead slide Max. travel: 275 mm (.8")- Wheelhead slide Speed (vt): ,000 mm/min (394 ipm)- Wheelhead slide Resolution: mm (.000.004")- Max. workpiece weight between centres: 130 kg (286 lbs)- Max. load moment (Mmax): 160 Nm (116 ft lbs)- Workhead: Non-swivelling, Roller bearing, AC-Servodrive - Workhead Option: Camlock Adapter - Tailstock Fitting taper: Morse 3 - Tailstock Travel of barrel: 35 mm (1.37")- Control Unit: Fanuc Series 16 (32-Bit processors, ISO and pictogram programming)- Wheelhead Variants: Turret wheelhead U left 400x80 mm Turret wheelhead U left 500x80 mm Grinding wheel right 400x40 mm Grinding wheel right 250x25 mm- Internal grinding attachment: For belt driven spindles Ø0 mm - Max. grinding length (Ls): SPW + b - 80 mm - Max. diameter with three-jaw chuck (ØF): 129 mm - Max. diameter with closed steady (ØL): 140 mmHours: 47.550Condition: Well maintained*The internal grinding spindle has not been in operation for a long time because it was disconnected due to a fault in the frequency converter.

Condition: good (used), Year of construction: 1981, operating hours: 16,769 h, Center height 175 , Center width 700 , Angled position of turntable 10° , Workhead swiveling 90° , Speed range 30-675 rpm , Gjdpstz T H Dsfx Abfska Morse 5 , Grinding headstock _ grinding wheel diameter 400 , largest width 50 , drive power 6,25kW

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

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 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 Gksdpfx Abow T Sd Tefsa 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: good (used), Year of construction: 2000, Universal Cylindrical Grinding Machine Studer S30 leanPRO Studer S 30 Year of manufacture: 2000 Operating hours counter Regular maintenance intervals by manufacturer (last service 11/25, report available) Wheel change: according to manufacturer intervals Hydraulic inspection: annual check Backup battery replacement: included in Studer maintenance Control system: FANUC 16 T Grinding diameter: 350 mm Grinding length: 1000 mm Center height: 125 mm Gksdeyx Hgzepfx Abfea Distance between centers: 650 mm Optional grinding cycles for increased center height Table adjustment: 11° Glass scale on X / Z axis Paper band filter unit Workpiece headstock: approx. 1-1,000 rpm Internal grinding attachment with accessories LED spotlight with flexible arm Grinding wheel: 400x80 mm Frequency converter for external grinding spindle Grinding wheel flange Bore diameter: 127 mm Frequency converter for internal grinding spindle Workpiece weight: approx. 80 kg Workpiece support with live center and MK 4 Workpiece headstock: MK 5 taper Tailstock: MK 3 taper Quill stroke: 40 mm Machine weight: approx. 3,400 kg Installation dimensions (LxW): 2,300x1,550 mm Machine height: approx. 2,000 mm Electrical supply Digital linear measurement system Coolant supply with fleece filter, tank capacity 300L Operating hours counter, control ON: 35,978 h

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. Godpfx Asykuucobfoka

Condition: ready for operation (used), Weight: 2.2t, including documentation. Gkodpfx Abjmqly Usfea

Condition: ready for operation (used), Year of construction: 2001, Studer S21 cylindrical grinding machine. Gkedjzupdrepfx Abfja

Condition: used, TECHNICAL DETAILS - center height : 100 [mm] - Distance between centers : 650 [mm] - Max. table orientation : [°] - Travel : 650 [mm] - Speed : 100 - 3500 [mm/min] GRINDING WHEEL HOLDER HEADSTOCK Gkodpfxjxrg Hxe Abfja - Orientation : [°] - T1 grinding wheel dimensions : 350 x 32 x 127 [mm] - Power : 3 [kW] - Speed : 1600 - 2200 [rpm] - Peripheral speed : [m/s] PART-HOLDER HEADSTOCK - Spindle speeds : - 1200 [rpm] - Power : 0.5 [kW] - Type of cone : CM4 - Max. part weight : 20 [kg] - Orientation : 0 - 90 [°] POWER SUPPLY - Supply voltage : 400 [V] - Power : 8 [kVA] WEIGHT & DIMENSIONS - Machine floor space : 00 x 00 [mm] - Machine height : 1650 [mm] - Machine weight : 1900 [kg] MACHINE HOURS - Number of hours under power : 01 [h] EQUIPMENT - Sony LG20-2 display - Automatic contact detection : SENSITRON 6 - 1 tailstock with fine adjustment - 2 internal grinding spindles : 20.000 / 60.000 [rpm] - Fixed dressing device - Coolant tank - 1 three-key steady rest - 3-jaw chuck, Ø 100 mm - Various grinding wheels

Condition: used, TECHNICAL DETAILS - center height : 100 [mm] - Distance between centers : 650 [mm] - Max. table orientation : [°] - Travel : 650 [mm] - Speed : 100 - 3500 [mm/min] GRINDING WHEEL HOLDER HEADSTOCK - Orientation : [°] - T1 grinding wheel dimensions : 350 x 32 x 127 [mm] - Power : 3 [kW] - Speed : 1600 - 2200 [rpm] - Peripheral speed : [m/s] PART-HOLDER HEADSTOCK - Spindle speeds : - 1200 [rpm] - Power : 0.5 [kW] - Type of cone : CM4 - Max. part weight : 20 [kg] - Orientation : 0 - 90 [°] POWER SUPPLY - Supply voltage : 400 [V] - Power : 8 [kVA] WEIGHT & DIMENSIONS - Machine floor space : 00 x 00 [mm] - Machine height : 1650 [mm] - Machine weight : 1900 [kg] MACHINE HOURS - Number of hours under power : 01 [h] Gkjdpfjyn R I Hjx Abfja EQUIPMENT - Sony LG20-2 display - Automatic contact detection : SENSITRON 6 - 1 tailstock with fine adjustment - 1 internal grinding spindle - Fixed dressing device - Coolant tank - 1 three-key steady rest

Condition: used, TECHNICAL DETAILS - distance between centers : 1000 [mm] - centers height : 175 [mm] - strokes (Z/X) : 1050 x 275 [mm] - max. feeds (Z/X) : 10 x 5 [m/min] - grinding wheelhead type : 2 external, 1 internal - left external grinding wheel dimension : 500 x 63 x 127 [mm] - right grinding wheel dimension : 400 x 63 x 127 [mm] - grinding wheel motor power : 7,5 [kW] - rotation speed : 1670 - 2110 [Rpm] - grinding wheelhead orientation : -15 to +225 [°] - resolution : 0.001 [°] - workhead tapper : MT5 - workhead rotation speed : 1 - 1027 [Rpm] Gsdpfjuhbyqsx Abfska - workhead power : 0,785 [kW] - tail stock : MT3 - quill stroke : 35 [mm] - weight : 7000 [kg] - hours under power : 47.959 [h] EQUIPMENT - control CNC FANUC 16 TB - programming through Pictogramming - Release B version B275 - deported electronic handwheel - 2 grinding wheels left-right internal at 180 [°] - B axis for indexing of the grinding wheelhead every 0,001 [°] - high precision C axis for part indexing and form grinding - tail stock with fine concentricity adjustment - sensitron - upper table swiveling fine adjustment - control pedal - lenght positioning device MARPOSS E32R with sensor T25G - measuring scales HEIDENHAIN on X/Z - coolant tank with pump - 1 grinding wheel holder flange - 1 grinding wheel - 1 dry center - 1 electro-spindle : 40.000 [Rpm] - tail stock hydraulic retract through pedal

Condition: used, TECHNICAL DETAILS - distance between centers : 200 [mm] - centers height : 100 [mm] - strokes (X/Z) : 130 / 170 [mm] WHEELHEAD - grinding wheels dimensions : 400 x 63 x 127 [mm] - peripheral speed : 45 [m/sec] - power : 3 [kW] - positioned at : 30 [°] WORKPIECEHEAD Gksdpfx Absuhbxmefoa - type of cone: MT4 - speeds : 600 - 3000 [rpm] - power : 0,5 [kW] - C axis indexing precision : +/- 0,5 [°] TAILSTOCK - type of cone : CM2 - quill stroke : 30 [mm] ELECTRICAL SUPPLY - voltage : 400 [V] - frequency : 50 [Hz] - installed power : 19 [kVA] DIMENSIONS - floor space : 1760 x 2180 [mm] - height : 2630 [mm] - weight : 4.000 [kg] HOURS - under power : 46.943 [h] - working hours : 21.529 [h] EQUIPMENT - CNC FANUC 16TB - soft options : Studer Release B, Pictogramming - interface : RS232C - electronic deported handwheel - direct measuring rules on axes X/Z - tailstock with fine concentricity adjustment - tailstock pinole hydraulic recoil - swiveling dressing wheel upon table : FISCHER AES-72x230/3 - dynamic wheel balancing device : DITTEL HBA 4000 - prepared for diameter sensor : MOVOMATIC ES400 - prepared for parts loading/unloading robot : FELSOMAT - automatic front door - prepared for cooling - electrostatic aspiration : ELOSTA BF2000 - pneumatic collets chuck - 1 wheel-holder - 1 grinding wheel - support arm for zero gravity wheel change - 1 balancing shaft

Condition: used, TECHNICAL DETAILS - Distance between centers : 650 [mm] - center height : 175 [mm] - Max. part weight between centers : 80 [kg] - X/Z stroke : 285 / 800 [mm] - Axis X programmable feed speed : [mm/min] - Resolution : 0.0001 [mm] - Axis Z programmable feed speed : [mm/min] - Resolution : 0.0001 [mm] - Table orientation : 0 - 8.5 [°] GRINDING WHEEL HOLDER HEADSTOCK - T1 grinding wheel dimensions : 500 x 63 x 203,2 [mm] - Speed : 50 [m/s] - Power : 9 [kW] - Manual orientation : -15 / +195 [°] - Indexing precision : 2.5 [°] - Internal grinding : 40.000 [rpm] - Power : 3 [kW] PART-HOLDER HEADSTOCK - Type of cone : CM5 - Speed : 1 - 1500 [rpm] - Power : 1.8 [kW] - Boring : 30 [mm] - C axis indexing precision : +/- 0,5 [°] - TAILSTOCK - Type of cone : CM4 - Quill diameter : 50 [mm] - Quill stroke : 35 [mm] POWER SUPPLY - Supply voltage : 400 [V] - Total installed power : 20 [kVA] WEIGHT & DIMENSIONS - Machine floor space : 2.670 x 2.050 [mm] - Machine height : 1.900 [mm] - Machine weight : 4000 [kg] MACHINE HOURS - Number of hours under power : 190 [h] Gkodpfx Abjylc R Uofea EQUIPMENT - CNC : FANUC Oi-TD - Electronic handwheel - 3 colors status lamp - Oil mist extractor - Linear scales on axes X/Z - Dynamic wheel balancing : MPM - Automatic contact detection : SENSITRON 6 - Fixed dressing device - Workpiece probe - Coolant tank : 375 [l] * with paper filtering unit

Condition: used, TECHNICAL DETAILS - Centers height : 125 [mm] - Distance between centers : 400 [mm] - Grinding wheels dimensions : 400 x 127 x 50 [mm] - Power : 4 [kW] - Max. part weight : 30 [kg] - Floor space : 3000 x 3520 [mm] - Weight : 4000 [kg] EQUIPMENT - CN FANUC 21i-T - B axis with 1° precision - Chuck 3 jaws - Tool-holder flanges - 1 external grinding wheel - 1 diamond grinder - Tail stock with fine adjustment Gedpfxsuhbxtj Abfoka - 1 internal grinding devices with spindle 42000 rpm - Coolant tank with paper filter - Part probe

Condition: used, TECHNICAL DETAILS - Number of axes : 5 - Distance between tips : 400 [mm] - Effective diameter : 180 [mm] LINEAR AXES - X1 and X2 x Z travel : 220 [mm] - Z travel : 850 [mm] - X x Z resolution : 0.0001 [mm] TURRET : - Number of fixed positions : 12 - Tool holders : VDI30 WHEEL CARRIER - Right-hand external grinding : * Grinding wheel dimensions (Ø x width x bore) : 400 x 50 x 127 [mm] * Drive power : 6.8 [kW] WORKPIECE CARRIER - Max. speed : 7500 [rpm] - Speeds (synchronous operation) : 1 - 5000 [rpm] - Taper type : CM4 - Drive power : 10.5 [kW] - C axis : 0.001 [°] SYNCHRONIZED COUNTER SPINDLE - Max. speed : 7500 [rpm] - Rotational speeds (synchronous operation) : 1 - 5000 [rpm] - C axis : 0.001 [°] - Inner cone : MK4 - Micrometric adjustment : +/- 40 [microns] - Drive power : 10.5 [kW] POWER SUPPLY - Power rating : 45 [KVA] DIMENSIONS - Floor dimensions : 2800 x 3960 [mm] - Machine weight : 7600 [kg] MACHINE HOURS - Powered hours : 57000 [h] EQUIPMENT Gksdpfx Aovxw A Usbfja - NC FANUC 310i-modelA - Software Studer WIN - RS232 / USB interface - Remote electronic handwheel - Turret with Renishaw LP2 length self-calibration device - Marposs feelers for diameters (multirange) + Z4 axes for positioning - Semi-automatic wheel balancing MPM.3 BMT100 M.24 - 480 L coolant tank * with paper filter * with magnetic filter - Chip conveyor - Fog extraction - Cooling unit for grinding wheel motor cooling - Electronic contact detection Dittel AE6000 - Fixed dressing device on workhead - Electrical cabinet air conditioning - Balancing shaft - Interface for automatic loading system

Condition: used, TECHNICAL DETAILS - centers height : 100 [mm] - distance between centers : 650 [mm] - length of internal grinding : 100 [mm] Gedpfjuhby Rox Abfeka - Ø of internal grinding : 3 to 40 [mm] - maximal table orientation : 30 [°] - workhead : * spindle speed (variator) : 60-1200 [Rpm] * motor power : 0.5 [kW] * interior cone : morse 4/2 - wheels sizes : 350 x 30 x 127 [mm] - wheelhead : * power : 3 [kW] * orientation : 15/30 [°] - maxi part weight : 20 [kg] - maxi power required : 5 [kW] WEIGHT & DIMENSIONS - Machine floor space : 3000 x 1400 [mm] - Machine height : 1600 [mm] - Machine weight : 1900 [kg] EQUIPMENT - complete internal grinding attachment : 45.000 [rpm] - 1 complete cooling device - 1 counter headstock with fine adjustment - 1 reversible and adjustable trueing device - 1 directional diamond holder - 2 axis X, Y digital display - 1 steady rests 3 points

Condition: used, TECHNICAL DETAILS - Grinding length : 120 [mm] - Center height : 102 [mm] - Strokes (X/Z) : 450 x 200 [mm] - Max speeds (X/Z) : 12 [m/min] SPINDLE SUPPORT - Spindle number : 2 WORKPIECE HEADSTOCK - Max. workhead speeds : 1500 [rpm] - Spindle clearance : 28.6 [mm] - Power : 1.4 [kW] - Mounting tape r: A2.4/CM5 - Torque : 150 [Nm] - Manual B axis angle : +/- 2 [°] - C axis : 0.0001 [°] POWER SUPPLY - Installed power: 34 [kVA] DIMENSIONS - Floor dimensions : 3600 x 2800 [mm] - Machine weight : 2600 [kg] MACHINE HOURS - Number of hours under power : 26781 [h] EQUIPMENT - Fanuc Oi-TD control - Spindle centre coolant Gkodjuhbmqjpfx Abfja - Cooling unit for spindle cooling - Loading robot - 2 spindles available : 59.600 - 41.600 [rpm] - Dressing turbine

Condition: used, TECHNICAL DETAILS - Number of axes : 3 - Centers height : 175 [mm] - Distance between centers : 1000 [mm] LINEAR AXES - Grinding length : 500 [mm] - Travels X x Z : 267 X 650 [mm] Godpfouhbydox Abfjka 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