Used Kellenberger Kel-Varia 2R 175-1000 for sale (11,300)

Condition: used, Year of construction: 2010, grinding diameter 350 mm grinding length 1000 mm centre height 175 mm Control Fanuc 310is CNC control GE Fanuc 310is Hand panel for CNC control GE Fanuc Wenger loader optional Turned part with automatic indexing 1° Grinding head UR 1-2-3 Grinding wheel equipment left 500 x 80 mm Grinding wheel equipment right 400 x 63 mm Operating unit for one high-speed internal grinding spindle MFV / MFZ High-frequency internal grinding spindle MFN 1090 Coolant supply through the workpiece spindle Dressing unit on the upper table Swivelling holder for PCD diamond plates Basic module for KEL-TOUCH gate sensor and KEL-BALANCE balancing devices KEL-TOUCH lead sensor for universal grinding head variants R / RS / UR / URS KEL-TOUCH on the workpiece headstock for internal and external grinding Preparations for Movomatic ESZ 400 or Marposs P7 ME measuring controls Preparation for external filters Cooling lubricant switch-off for table devices Full casing emulsion Emulsion sanding mist extraction system Credpey U N Hiefx Ailsh Maintenance unit for additional pneumatic functions Preparation for KEL-VITA gantry loader KEL-POS, MOVOMATIC: C25 measuring probe Hydraulic preparation for arobo bezel

Condition: refurbished (used), Machine totaly reconditioned With DRO Center height 175 mm Distance between centers 1000 mm Grinding wheel 400 x 50 x 127 mm + 225 x 20 x 76.2 mm Grinding wheel speeds 1'500-2'200 rpm With internal grinding attachement Cjdpfx Ajwhk Uusilerh Misc. accessories MARCELS MASCHINEN AG

Condition: ready for operation (used), An external cylindrical grinding machine Kellenberger is available. Distance between centers: 1000mm, center height: 175mm, max. workpiece diameter: 250mm, travel X/Z: 1000mm/220mm, grinding wheel diameter: 500mm, speed: 1530rpm. Machine dimensions X/Y/Z: approx. 3000mm/1850mm/1750mm, weight: approx. 3150kg. A viewing on site is possible. Credpfx Aisxxzi Isloh

Condition: used, Year of construction: 2010, grinding diameter 350 mm grinding length 1000 mm centre height 175 mm Crjdpevdk N Eofx Ailoh Control Fanuc 310is Completely machanically overhauled with grinding process and setup of one part. Original photo taken on the EMO 2010. CNC control GE Fanuc 310is Hand panel for CNC control GE Fanuc Wenger loader optional Turned part with automatic indexing 1° Grinding head UR 1-2-3 Grinding wheel equipment left 500 x 80 mm Grinding wheel equipment right 400 x 63 mm Operating unit for one high-speed internal grinding spindle MFV / MFZ High-frequency internal grinding spindle MFN 1090 Coolant supply through the workpiece spindle Dressing unit on the upper table Swivelling holder for PCD diamond plates Basic module for KEL-TOUCH gate sensor and KEL-BALANCE balancing devices KEL-TOUCH lead sensor for universal grinding head variants R / RS / UR / URS KEL-TOUCH on the workpiece headstock for internal and external grinding Preparations for Movomatic ESZ 400 or Marposs P7 ME measuring controls Preparation for external filters Cooling lubricant switch-off for table devices Full casing emulsion Emulsion sanding mist extraction system Maintenance unit for additional pneumatic functions Preparation for KEL-VITA gantry loader KEL-POS, MOVOMATIC: C25 measuring probe Hydraulic preparation for arobo bezel

Condition: good (used), functionality: fully functional, The machine is in good working condition; testing is possible upon prior arrangement. 2 UNITS. Codpfx Ajz A Ucaeilorh

Condition: excellent (used), functionality: fully functional, KELLENBERGER PRECISION UNIVERSAL CYLINDRICAL GRINDING MACHINE TYPE: 1000 U YEAR OF MANUFACTURE: 2000 PARTIAL OVERHAUL: 2026 Center height: 175 mm Grinding length: 1000 mm Equipment: - Standard accessories - Workpiece spindle stock, standard MK5 with adapter flange DIN 55027, size 5 - Splash guard for the above - Tailstock with micro-adjustment, MK4 - Internal grinding device with protective cover for the grinding spindle D: 80 mm for belt-driven spindles - FISCHER internal grinding spindle, type HJN 842 including grinding mandrels (4 pieces, customer's choice) - Chuck HJNZ 42 - Oil mist lubrication system for HJN spindles - STREULI magnetic paper band filter system, type: SPB 2 - Coolant supply through the workpiece spindle - HEIDENHAIN digital length measuring system in X and Z axes - Sinus scale on the workpiece spindle stock including alignment mandrel MK5 - Permanent magnet chuck, D: 200 mm - Three-jaw chuck, D: 160 mm - Four-jaw chuck, D: 160 mm - Collet chuck system for Schaublin collets B32 - Set of collets B32, D: 1.0-30.0 mm, graduation 0.5 mm (59 pieces) - Indicator stop for table swiveling with 1/100 mm indicator Cedpfsyf E Suex Ailerh - Table fixed stop - Truing stop for internal grinding - LED machine light - Various grinding wheel flanges, left (2 pieces) - Pneumatic upper slide relief - Swiveling truing device for truing during external, surface, or internal grinding - Set of vibration-damping pads - New three-color paint finish (light gray RAL 7035 / blue RAL 5012 / dark gray RAL 7016) - New acceptance test report according to KELLENBERGER standard - Documentation - CE conformity

Condition: reconditioned (used), KELLENBERGER KEL-VISTA UR 175X600 is a CNC cylindrical grinder engineered for precision, high accuracy and reliability. Capacity: centre height 175 mm; between centres 800 mm; grinding length 600 mm; max Ø 349 mm; max weight 100 kg. Key specs: Z 750 mm; X 320 mm; left wheel Ø400×80×127, right Ø300×40×127; wheel speeds 875–1900 rpm (stepless); wheel motor 5 kW; work spindle 8–800 rpm (stepless), taper 5 CM; rapid 12 m/min; air 6 bar; 3×400 V 50 Hz; machine ≈3000 kg; 3200×1700×2000 mm. Accessories: coolant, coolant-through-spindle (IKZ), paper filter, MARPOSS probe, MOVOMATIC measuring control, internal grinding attachment, balancing, RS‑232. Suited for tight tolerances in automotive, watchmaking, machine tools, aerospace, medical. Cedpfxsyxn Iyo Ailorh

Condition: good (used), Distance between centers: 1000 mm Center height: 175 mm CNC brand: FANUC CNC model: Oi-TD Cedpfxstrgn Tj Ailjrh

Condition: used, Year of construction: 1977, grinding diameter 350 mm grinding length 1000 mm centre height 175 mm grinding wheel diameter 400 mm grinding wheel width 50 mm bore 127 mm MK5 work piece spindle speed 20-400 U/min grinding head swivelling 360 ° grinding spindle head - swivable 180 + - ° grinding spindle speed 1500,1700,2200 U/min 0,001-0,030 mm/Ø 0-0,95 mm/Ø ±8 ° longitudinal feed of the table 1300 mm table speeds 0,02-6 m/min 130 kg 130 inkl. Spannugkg kg 70 mm total power requirement 6,5 kW weight of the machine ca. 2,5 t dimensions of the machine ca. 4,2 x 2,0 m Neu geliefert an Universität. 2018 übernommen. Dann komplett bei BEMA gewartet und an an Einmannbetrieb geliefert. Nun wird die Maschine nochmal gewartet und Tischgeometrie neu hergestellt. 2-Achsen-Digitalanzeige Fagor nachgerüstet. -Reitstock mit Feinverstellung Crsdpfx Aoynmpgoiljh -Innenschleifeinrichtung -Kühlmittelanlage Zubehör auf Anfrage

Condition: used, Year of construction: 1972, total width: 1,700 mm, total length: 3,100 mm, total height: 1,600 mm, Colour: Green Empty weight: 2.500 kg Price: On request - Year: 1972 - Documentation available: No - CE certificate present: No - Serial number: 1011/447 - Drive system: Conventional - Grinder type: Internal and external grinding machine - Drive system: Hydraulic - Power [kW]: 6.5 - Distance between centres [mm]: 1000 - Centre height [mm]: 175 - Grinding diameter [mm]: 350 - Max. grinding wheel diameter [mm]: 400 - Max. grinding wheel thickness [mm]: 50 - X-axis travel [mm]: 260 - Z-axis travel [mm]: 1300 - Swivel range [°]: 270 - Table width [mm]: 1590 - Table depth [mm]: 140 - Main spindle power [kW]: 3 - Min. spindle speed [rpm]: 1500 - Max. spindle speed [rpm]: 2200 - Transport dimensions: 3100mm x 1700mm x 1600mm (l x w x h) - Transport weight [kg]: 2500kg - Transport packages [pcs.]: 1 Financial information VAT: The price shown is exclusive of VAT Credpezy H A Aofx Aileh VAT/margin: VAT deductible for entrepreneurs Delivery and trade-in always possible for everything in the industrial sectors Lukas van Rossum

Year of construction: 2004, condition: used, Weight: 4.7t, automatic system operating hours: 41,411h, feed operating hours: 14,251h, an on-site inspection is possible. Cjdpfxsz Da Nzj Ailjrh

Condition: used, Year of construction: 2004, functionality: fully functional, center height: 125 mm, overall weight: 4,700 kg, We are offering this used Kellenberger KEL-VISION cylindrical grinding machine, manufactured in 2004, for sale. Type: KEL-VISION Weight (max.): 4700 kg Year of manufacture: 2004 Machine No.: 665100 Includes a Universal Robots UR5 robot. Crsdey Uriaepfx Ailsh If you have any questions or require further information, please feel free to send us a message or call us.

Condition: used, Year of construction: 1998, grinding diameter 350 mm grinding length 1000 mm centre height 175 mm Codpfx Aezmy Thsiljrh Control Kelco weight of the machine ca. 4 t

Condition: used, TECHNICAL DETAILS - Distance between centers : 600 [mm] - center height : 125 [mm] - Table orientation : 11 [°] GRINDING WHEEL HOLDER HEADSTOCK - Left grinding wheels dimensions : 400 x 50 x 127 [mm] - Power : 3 [kW] - Spindle speeds : 1500 / 1700 / 2200 [rpm] - Orientation of grinding wheel holder headstock : 270 [°] PART-HOLDER HEADSTOCK - Orientation of part holder headstock : 360 [°] - Spindle speeds : 20 - 400 [rpm] - Spindle internal cone : Morse 5 - Power : 0.9 [kW] Csdpfszf Rcdox Ailjrh TAILSTOCK - Internal cone : MT4 - Quill stroke : 30 [mm] POWER SUPPLY - Supply voltage : 380 [V] WEIGHT & DIMENSIONS - Machine floor space : 2580 x 1680 [mm] - Machine height : 1670 [mm] - Machine weight : 2200 [kg] EQUIPMENT - Coolant tank * with paper filtering unit - 1 internal grinding spindle - Lubricating tank with pump - 1 three-key steady rest - 1 inner spindle alignment device

Condition: good (used), functionality: fully functional, Used Kellenberger cylindrical grinding machine for sale in very good condition. Price significantly reduced !!!!! Crodpfxsw Dzbds Aileh

Condition: used, Year of construction: 1977, functionality: fully functional, machine/vehicle number: 1000U, KELLENBERGER Round Grinding Machine 1000 U Manufacturer: KELLENBERGER Model: 1000 U Machine number: 457/1893 Year of manufacture: 1977 Technical data Center height: 125 mm Center distance: 1,000 mm / max. 1,200 mm Largest possible swing diameter: 250 mm Max. length for surface grinding (with B=200 mm): 1,300 mm Work surface of the table: 1590 x 140 mm Grinding wheel dimensions for round grinding: 350 / 400 x 50 x 127 mm Grinding wheel dimensions for surface grinding: 250 x 13 x 76 mm Table speed: 6 m/min Speeds of the grinding spindle: 1500 / 1700 / 2200 / 3600 rpm Workpiece speeds, continuously adjustable: 20 - 400 rpm Grinding wheel head, swiveling: 270° Locking: every 90° Swiveling range of the workpiece spindle stock: 360° Max. inclination of the table: 9° Transverse movement of the grinding slide: 285 mm Feed per table revolution, continuously adjustable: 0.001 - 0.03 mm/revolution Feed amount during plunge grinding: 0 - 0.9 mm/revolution Micro-stop of the feed per graduation: 0.001 mm/revolution Csdpfjylbicox Ailsrh Spindle taper: MK 5 Tailstock: MK 3 Dimensions & Weight Length x Width x Height: 4210 x 1750 x 1500 mm Weight: 3,100 kg

Condition: used, grinding diameter 350 mm grinding length 1500 mm centre height 175 mm grinding wheel diameter 400 mm grinding wheel width 50 mm bore 127 mm MK5 work piece spindle speed 20-400 U/min grinding head swivelling 360 ° grinding spindle head - swivable 180 + - ° grinding spindle speed 1500,1700,2200 U/min 0-40 mm/Ø 0-40 mm/Ø ±6,5 ° longitudinal feed of the table 1530 mm table speeds 0,02-6 m/min 130 kg 130 inkl. Spannung kg cross travel max. 270 mm 80 mm tailstock quill taper MT 3 quill travel 30 mm total power requirement 6,5 kW weight of the machine ca. 3,05 t dimensions of the machine ca. 4 x 2 m Overhauled according to Kellenberger guidelines including new, modern and future-proof control system. Photo of machine already delivered with special options -Operation via the touch panel is extremely simple. -The symbols on the control panel are practically identical to the original original control system, so there is no need for familiarisation. -Diagnostic function with display of PLC messages and digital I/O -Dressing function can be extended or changed at the customer's request. -Orientated spindle stop of the workpiece spindle possible on request. -New maximum infeed of 40 mm can be extended on request. -Digital display in 2 axes. Resolution x-axis 0.5my Options: -Encoder with digital display in the workpiece headstock -Rotary encoder with digital display in the grinding headstock (no height adjustment with spindle possible) with spindle possible) -New stable internal grinding device diameter 80mm or 100mm with height adjustment. -Increase of the centre height to max. 225mm -Speed control for the grinding spindle Included: -Operating tool -Clamping tube for chuck Further accessories on request. The x-axis of the machine has an electronically controlled infeed system with stepper motor drive. Hydraulic longitudinal and rapid traverse table movement. Versatile application in production for external cylindrical and internal internal grinding or for external, face and internal grinding in one clamping clamping of individual parts. Cjdpfx Aeuxftrsilorh Possible options: -Semi-automatic dressing cycles for external and internal grinding -automatic dressing compensation. -Measuring control

Condition: used, grinding diameter 250,350,450 mm grinding length 1000 mm centre height 125,175,225 mm grinding wheel diameter 400 mm grinding wheel width 50 mm bore 127 mm MK5 work piece spindle speed 20-400 U/min grinding head swivelling 360 ° grinding spindle head - swivable 180 + - ° grinding spindle speed 1500,1700,2200 U/min 0,001-0,030 mm/Ø 0-0,95 mm/Ø ±8 ° longitudinal feed of the table 1300 mm table speeds 0,02-6 m/min 130 kg 130 inkl. Spannugkg kg 70 mm total power requirement 6,5 kW weight of the machine ca. 2,5 t dimensions of the machine ca. 4,2 x 2,0 m As the world’s leading company in Kellenberger overhaul and retrofit we are not only able to deliver machines in a quality similar to a new machine and with warranty, but we can also offer you the service for your o von Kürzlich gelieferten Maschinen mit zusätzlichen Optionen wie: -Spritzschutztüren -Kabine x-Achse -Schwenkwinkelanzeige Schleifspindelstock Geometrisch überholt und neu lackiert mit original Elektrik. Maschine hat Zentralschmierung und Rollenführung in der Flachbahn der x-Achse sowie Luftabhebung im Schleifspindelstock serienmäßig. -Digitalanzeige in 2 Achsen. Auflösung x-Achse 0,5my Cedpeuxftxsfx Ailorh Optionen: -Drehgeber mit digitaler Anzeige im Werkstückspindelstock -Drehgeber mit digitaler Anzeige im Schleifspindelstock (keine Höhenverstellung mit Spindel möglich) -Neue stabile Innenschleifvorrichtung Durchmesser 80mm oder 100mm mit Höhenjustierung. -Erhöhung der Spitzenhöhe auf max. 225mm -Drehzahlregelung für die Schleifspindel Inklusive: -Bedienwerkzeug -Spannrohr für Futter weiteres Zubehör auf Anfrage. Die Werkzeugmaschine entspricht zum derzeitigen Zeitpunkt nicht den grundlegenden Sicherheits- und Schutzanforderungen wie in der BetrSichV 2015 genannt. Eine Anhebung des erforderlichen Mindest-Schutzzieles ist mittels einer Gefährdungsbeurteilung nach BetrSichV zu ermitteln.

Condition: used, grinding diameter 250,350,450 mm grinding length 1000 mm centre height 125,175,225 mm grinding wheel diameter 400 mm grinding wheel width 50 mm bore 127 mm MK5 work piece spindle speed 20-400 U/min grinding head swivelling 360 ° grinding spindle head - swivable 180 + - ° grinding spindle speed 1500,1700,2200 U/min 0,001-0,030 mm/Ø 0-0,95 mm/Ø ±8 ° longitudinal feed of the table 1300 mm table speeds 0,02-6 m/min 130 kg 130 inkl. Spannugkg kg 70 mm total power requirement 6,5 kW weight of the machine ca. 2,5 t dimensions of the machine ca. 4,2 x 2,0 m Ready for delivery, with 12 month warranty in germany and neighbouring countries! Geometrically overhauled and repainted with new electrics. Cjdpfx Aov I Eq Seilerh In KELLENBERGER quality!!! -Digital display in 2 axes. Resolution x-axis 0.5my -Modern workpiece headstock with cone MK5 -Modern tailstock with cone MK3 -Modern hydraulic unit -Paper belt filter Further accessories on request

Condition: used, grinding diameter 250,350,450 mm grinding length 1000 mm centre height 125,175,225 mm grinding wheel diameter 400 mm grinding wheel width 50 mm bore 127 mm MK5 work piece spindle speed 20-400 U/min grinding head swivelling 360 ° grinding spindle head - swivable 180 + - ° grinding spindle speed 1500,1700,2200 U/min 0,001-0,030 mm/Ø 0-0,95 mm/Ø ±8 ° longitudinal feed of the table 1300 mm table speeds 0,02-6 m/min 130 kg 130 inkl. Spannugkg kg 70 mm total power requirement 6,5 kW weight of the machine ca. 2,5 t dimensions of the machine ca. 4,2 x 2,0 m As the world’s leading company in Kellenberger overhaul and retrofit we are not only able to deliver machines in a quality similar to a new machine and with warranty, but we can also offer you the service for your machines. Geometrically overhauled with new paint and original electrics. Foto of a 600U which we already have delivered. -Digital display in 2 axes. Resolution of x-Achse 0,5my Options: -Encoder with digital display in workpiece spindle head -Encoder with digital display in grinding spindle head (Height adjustment with spindle not possible) -New stable internal grinding diameter 80mm oder 100mm with height-adjustment. Crsdpfx Aijt Ii Nueljh -Increase the center heigh to max. 225mm -Speed control of the grinding spindle Including:: -Adjustment tool -Draw tube for chucks other accessories on reqeust Die Werkzeugmaschine entspricht zum derzeitigen Zeitpunkt nicht den grundlegenden Sicherheits- und Schutzanforderungen wie in der BetrSichV 2015 genannt. Eine Anhebung des erforderlichen Mindest-Schutzzieles ist mittels einer Gefährdungsbeurteilung nach BetrSichV zu ermitteln.

Condition: used, grinding diameter 350 mm grinding length 600 mm centre height 175 mm grinding wheel diameter 400 mm grinding wheel width 50 mm bore 127 mm MK5 work piece spindle speed 20-400 U/min grinding head swivelling 360 ° grinding spindle head - swivable 180 + - ° grinding spindle speed 1500,1700,2200 U/min 0-9,99 mm/Ø 0-9,99 mm/Ø ±10 ° longitudinal feed of the table 1100 mm table speeds 0,02-6 m/min 130 kg 130 inkl. Spannung kg cross travel max. 270 mm 80 mm tailstock quill taper MT 3 quill travel 30 mm total power requirement 6,5 kW weight of the machine ca. 3,05 t dimensions of the machine ca. 4 x 2 m Overhauled according to Kellenberger guidelines including new, modern and future-proof control system. Photo of already delivered machine in centre distance 1000mm. -Operation via the touch panel is extremely simple. -The symbols on the control panel are practically identical to the original original control system, so there is no need for familiarisation. -Diagnostic function with display of PLC messages and digital I/O -Dressing function can be extended or changed at the customer's request. -Orientated spindle stop of the workpiece spindle possible on request. -New maximum infeed of 40 mm can be extended on request. -Digital display in 2 axes. Resolution x-axis 0.5my Options: -Encoder with digital display in the workpiece headstock -Rotary encoder with digital display in the grinding headstock (no height adjustment with spindle possible) with spindle possible) -New stable internal grinding device diameter 80mm or 100mm with height adjustment. -Increase of the centre height to max. 225mm -Speed control for the grinding spindle Included: -Operating tool -Clamping tube for chuck Further accessories on request. The x-axis of the machine has an electronically controlled infeed system with stepper motor drive. Hydraulic longitudinal and rapid traverse table movement. Versatile application in production for external cylindrical and internal internal grinding or for external, face and internal grinding in one clamping clamping of individual parts. Cjdpfxouxft Es Ailorh Possible options: -Semi-automatic dressing cycles for external and internal grinding -automatic dressing compensation. -Measuring control

Condition: used, TECHNICAL DETAILS - centers height : 125 [mm] - max grinding length : 430 [mm] - max part diameter : 249 [mm] - max part weight : 100 [kg] - grinding wheel size : Ø400 x 63 x 127 [mm] - part holder headstock spindle speed : 8 - 800 [rpm] - max stroke X, Z : 320 , 650 [mm] Credpfxjy Tb Aao Aileh - floor space : 2500 x 2000 [mm] - weight : 4700 [kg] EQUIPMENT - CN FANUC 18iTA - tailstock with fine adjustment - grinding head type URS - grinding head orientation each 0.1 degrees - inside grinding device with spindles Ø120 mm FISCHER type MFZ-1090 90000 Rpm and et type MFV-1230 12000-30000 Rpm - various grinding wheel flanges - grinding wheel extractor - 2 diamond dressing devices for inside and external grinding wheels - active flagging device MARPOSS Kel-pos - tool-measuring system Kel-set - Kel set system - 3 jaws chuck

Condition: excellent (used), with internal grinding attachment Center height 125 mm Distance between centers 1000 mm Table size 1650 x 145 mm Grinding wheel 400 x 50 x 127 mm Grinding wheel speeds 1'500 - 2'200 rpm Grinding head turnable 270° Grinding wheel 225 x 20 x 76.2 mm Crsdpey H Dq Hjfx Aileh Misc. accessories MARCELS MASCHINEN AG

Condition: used, TECHNICAL DETAILS - distance between centers : 1000 [mm] - centers height : 125 [mm] - table orientation : -/+ 8 [°] - universal wheelhead - grinding wheels dimensions : 400 x 50 x 127 [mm] - motor power : 3 [kW] - spindle speed : 1500 / 1700 / 2200 - orientation of grinding wheel holder headstock : 270 [°] (3 x 90°) - boring for internal spindle : 90 [mm] - orientation of part holder headstock : 180 [°] - spindle speed : 20 - 400 [Rpm] - spindle internal cone : Morse 5 - motor power : 0,9 [kW] - inner cone tailstock : Morse 4 - tailstock sleeve travel: 30 [mm] - dimensions : 2860 x 1680 x 1670 [mm] - weight : 2 500 [kg] EQUIPMENT - automatic cycle work (rough part, finishing and reverse) - tail stock - sinus ruler for part holder headstock - head UR : 2 external and 1 internal grinding wheel - lubricating tank with pump - 1 internal grinding spindle SFJ UJ70 : 14.000 [rpm] Cedpfouhbx Tox Ailsrh - 1 fixed diamond grinding device holder on tail stock - 1 chuck 4 jaws - 1 magnetic chuck - 1 set of driving tocs - 2 rests 2 points - spacer to increase centre height to 175 mm - various grinding wheel holders - various grinding wheels

Condition: excellent (used), Year of construction: 1997, grinding diameter 80 - 250 mm Crjdpfx Aijyb S Rcsleh grinding length 600 mm centre height 175 mm longitudinal feed 750 mm workpiece turning speeds 6 - 600 U/min grinding spindle speed 1500 - 3600 U/min cross movement - autom. and by hand 320 mm Control Kelco 80 weight of the machine ca. 4,4 t dimensions of the machine ca. 3,1 x 2,1 x 2,0 m