Used Macfab - Bema 650A for sale (123)

Condition: used, grinding diameter 350 mm grinding length 1500 mm centre height 175 mm 500mm grinding wheel diameter New servomotors in x and for the workhead. Photo of already delivered machine in UR equipment. -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 training. -Diagnostic function with display of PLC information and digital I/O -Dressing function can be extended or changed at the customer's request. -Oriented 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: -Rotary 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) -Increase of the center height to max. 225mm -Speed control for the grinding spindle Hnedpjuwv Idsfx Aa Eep Translated with (free version)

Year of construction: 1994, condition: used, workpiece diameter 350 mm workpiece weight 99999 kg workpiece height 240 mm total power requirement 7,5 kW weight of the machine ca. 2 t Seltene Gelegenheit: Teilüberholte Hochpräzisions-Rundtischflachschleifmaschine Mit komplett neuem Schaltschrank und neuer Steuerung mit BEMA Schleifsoftware Rundtisch-Durchmesser 380mm Magnet-Durchmesser 350mm Schleifscheibenabmaße 300x25x76,2mm Tischdrehzahl variabel max. 200U/min Schwenkwinkel des Tisches +-3 Grad Schleifspindeldrehzahl 800-4200 U/min Leistung Schleifspindelantrieb 5KW Hodpfx Ajxbtl Tja Esnp Verfahrweg quer max. 225mm Verfahrweg vertikal max. 480mm Abstand zwischen Magnetspannfutter und Spindelmitte, max. 390mm Automatischer Kopfabrichter AF65: zum zylidrischen Abrichten der Schleifscheibe im CD-Abrichtverfahren (Abrichten während des Schleifprozesses) Hierdurch werden Schleifzeiten reduziert und Abrichtzeiten eingespart. Der Abrichtbetrag wird automatisch kompensiert. Automatische Antasteinrichtung AT-R: bietet die Möglichkeit, mit der Schleifscheibe das Werkstück schnell und automatisch anzufahren. CNC-Steuerung mit höchstem Programmierkomfort Unterschiedliche Schleifprogramme für -Pendelschleifen -Kurzhubschleifen -Einstechschleifen -jeweils eine oder mehrere Flächen in gleicher oder unterschiedlicher Höhe Ins Schleifprogramm integrierte Abrichtzyklen -Tischabrichten mit Einzeldiamant -Automatisch Geradabrichten -CD-Abrichten mit AF65 Minizyklen: -automatisches Antasten an das Werkstück -Positionieren einzelner Achsen -Abrichten Einsatzgebiet: Hochgenaue Planschleifarbeiten in der Mittel- und Großserienproduktion bzw. Einzelteilfertigung in zentrischer Aufspannung

Condition: used, Year of construction: 1990, grinding diameter 360 mm grinding length 1000 mm centre height 180 mm max. workpiece weight between centres 250 kg Maschine mit sehr wenigen Betriebsstunden nach Überholung beim Karstens Fachbetrieb. Zustellsteuerung Jetter Digitalanzeige Hnedpfx Aaoxbh Ebj Eop Innenschleifvorrichtung Reitstock mit Zylindrizitätsfeinverstellung Hydraulische Reitstockpinole Etc... Luftkissenschnellverstellung Schleifspindelstock

Condition: used, Year of construction: 2002, grinding diameter 450 mm grinding length 1500 mm centre height 225 mm Control FAGOR EQUIPEMENT - T1: grinding wheel diameter 500 mm - T2: grinding wheel diameter 400 mm - T6: HF Fischer spindle MFV or MFZ 1224/1242/1260 - T7: HF Fischer spindle MFV or MFZ 1224/1242/1260 - Marposs tool measurement - active longitudinal positioning - Elaso GAP-control on T1 and T2 contactless integrated in the control surface - Elaso GAP internal grinding with fluid sensor for T6 and T7 - semi-automatic balancing by Elaso integrated in the control surface for T1/T2 - tailstock hydraulic with fine adjustment +/- 150 microns - dresser on workpiece spindle side table mounted - dresser on tailstock side table mounted - dresser on upper table - new service- and userfriendly housing SPECIAL EQUPEMENT: Workhead with direct drive - strongly recommended for non-circular grinding - workpiece weight flying max. 75kg - workpiece weight between centres 150kg - water-cooled B-axis with direct drive - center height 225 mm - extremely torsionally stiff - highly accurate positioning - resolution ° - water-cooled Hydrostatic ball screw - x-axis - wear-free, as there is no contact during operation - no loss of precision, even during long-term use at full load and maximum speed - no friction at low speeds - no friction force backlash when the direction of rotation changes - translates even the smallest rotational movements - no stick-slip effect even at low speeds - no fluctuations in frictional torque due to ball circulation - higher axial stiffness compared to ball screws - significant improvement in damping, resulting in better workpiece surface finish and tool life - no oscillations due to ball circulation - also suitable for high speeds and accelerations - cost-effective alternative to the linear motor with greater precision and significantly lower heat generation - significantly less power dissipation and, as a result, no problems with swarf on permanent magnets New hydraulic unit - optimized temperature control (chiller) - Energy-saving Only one pump controlled by VFD - Pressure monitoring - monitoring of the hydrostatic oil for water content. (Damage to the bellows is recognised and detected prematurely) -fine adjustment +/- 150 microns Paper belt filter 375l – alternative 480l Grinding mist extraction system – emulsion MECHANICAL OVERHAUL -complete machine according to Kellenberger protocoll -new painting ELECTRICAL OVERHAUL - new modern Fagor CNC with BEMA HMI - new electric cabinet - new digital drive technology - replacement of all electrical cables, switches etc. - new absolute external scales in x- and z-axis - new absolute encoder (B-axis) Grinding software BEMA-Standard: - workpiece zeroing - grinding wheel zeroing - dressing diamond measuring - corrections - external and internal surface grinding - external and internal angle grinding (turning of the b-axis, dressing with straight wheel) - external and internal radius grinding (radius dressed on wheel) - semi-automatic traverse grinding - workpiece zeroing - 2 dressing diamonds Hsdeuxfu Nepfx Aa Esnp - 1 dressing blade - dressing roll - 3 flat dresser - corrections - Z-position measurement - GAP control Optional grinding cycles at no extra charge: Profile plunge grinding: - external and internal profile plunge grinding with profile wheel Pr...

Condition: used, grinding diameter 250 mm grinding length 1000 mm centre height 125 mm grinding wheel diameter 500 mm grinding wheel width 80 (100) mm bore 203,2 mm Hedpfed Ih Egsx Aa Eonp MK5 work piece spindle speed 20-400 U/min workpiece spindle swivable +/- 360 ° grinding head swivellable +/- 0 ° 0-9,99 mm/Ø 0-9,99 mm/Ø table swivelabel +/- 10 ° table speeds 0,02-6 m/min 130 kg max. workpiece weight -without tailstock 130 inkl. Spannung kg cross travel 270 mm tailstock quill taper MT 3 quill travel 30 mm total power requirement 5,5-7,5 kW weight of the machine ca. 2,7 t 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. delivery: completely overhauled including a new control Examples: Accessoies: - Marposs auto-sizing-attachement - Balancing for the wheel. 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, Year of construction: 1982, grinding diameter 630 mm grinding length 600 mm centre height 320 mm Hsdpovq R Uzofx Aa Eenp Maschine wird überholt nach Kellenberger Messprotokoll und neu lackiert. Die anfällige Güttinger Steuerung wird durch die zeitgemäße BEMA X Steuerung ersetzt. Das heißt die Maschine erhält in diesem zuge auch eine komplett neue Elektrik. Siehe Beispielfotos. Maschine mit verstärktem Werkstückspindelstock zum fliegend Schleifen von schweren Werkstücken. 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, honing diameter 99999 mm stroke 99999 mm throat 99999 mm Hnedpov Tqqusfx Aa Esp Used without warranty

Condition: used, Year of construction: 1982, grinding diameter 630 mm Hedjv Dxxzjpfx Aa Eenp grinding length 600 mm centre height 320 mm Machine with heavy duty workhead. Machine will be partial overhauled before delivery. Machine will get a geometry protocoll according to the Kellenberger new machine guideline

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 -Neue Geometrie Tischgeometrie -Neue Geometrie WSS zu Schleifspindeln Hodpfx Asvx Dvuoa Eonp B-Achse mit 1° Hirth Verzahnung Längspositionierung HF-Innenschleifspindel GAP Papierbandfilter

Condition: used, Year of construction: 2000, honing diameter 45 mm stroke 1000 mm Hjdpfx Aaexddq Ej Ejnp 4 spindle honing machine for guns Honing area according to the manufacturer: Diameter 5-45mm Maximum Honing Length 750mm Accessories: Honing tools for diameter: -10mm -12,3mm -13,3mm -21,1mm

Condition: used, Year of construction: 2007, grinding length 600 mm grinding width 400 mm workpiece height 375 mm Gewartet und Längsachse neu eingeschabt Glasmaßstäbe in der Senkrecht- und der Quer-Achse Schleifscheine 300/50/76,2 mm Hnedpfsykmqvox Aa Esp Magnetspannplatte 600x400mm mit Haftkraftregelung Universal-Papaierfilterautomat UPF100 mit 280l Tankinhalt.

Condition: used, Year of construction: 2010, grinding diameter 350 mm grinding length 1000 mm centre height 175 mm 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 Hnodjvdk N Ejpfx Aa Esp

Condition: used, Year of construction: 2010, honing diameter 54 mm stroke 99999 mm centre height 9999 mm Hnedpjvk Nkuofx Aa Esp Control FANUC CNC Ball and spherical honing machine

Condition: used, Year of construction: 1975, honing diameter 250 mm stroke 99999 mm throat 99999 mm Seems to be manzfactured by NAGEL Hnjdpfx Aajwlvkpe Eop Hondurchmesser app YOM app because of no plate

Condition: used, Year of construction: 1961, grinding length 4000 mm grinding width 1100 mm workpiece height 1100 mm weight of the machine ca. 21 t Modernisierte Präzisions-Flach-und Führungsbahnschleifmaschine Hedpfx Aaevk Nlle Eenp aus Überholungsbetrieb. Geschliffen wurden unter anderem Betten für neue KERN Drehmaschinen. -Digitalanzeigen nachgerüstet -Umbau auf Kugelrollspindeln in der Querachse -Schleifspindel für Umfangsschliff -schwenkbare Schleifspindel für Untergriffe -Originalschabbild in der Längsachse -Elektrik erneuert -Aufspannfläche 4300 x 1500 mm Bei Nutzung einer Grube können wesentlich höhere Werkstücke geschliffen werden!!!

Year of construction: 2015, condition: used, workpiece diameter 300 mm workpiece weight 999 kg workpiece height 145 mm Features: -Digital display vertical axis -Automatic feed -Programmable automatic end stop -Grinding spindle drive with infinitely variable electronic speed control -Infinitely variable cross feed and table rotation -24V magnetic clamping plate 300 mm -Various occupational safety devices, e.g. protective cover monitoring, operating status display via traffic light Hnodpoxflclefx Aa Eep -Lubricating oil level monitoring -The machine was completely overhauled in 2015, at which time the entire electrical system was replaced with PLC control and 24V control voltage -Paper belt filter system specially designed for this machine The following work has now been carried out: -Replacement of bellows and belts -New bearings for grinding spindle -Grinding carriage bed and rotary table bed scraped by hand to restore better and more precise running characteristics -Grinding carriage and cross table lifted from machine body and all tracks cleaned, lubrication checked -Various wear parts, such as rubber caps and switching elements, replaced -Detailed functional check -Modernisation of feed arm -Paint touch-up work, machine colour: light grey RAL 7035 and RAL 7012

Condition: used, Year of construction: 1995, grinding diameter 350 mm grinding length 1000 mm centre height 175 mm Hedpfjxyadasx Aa Esnp Completely overhauled in 2013 Heavy duty workpiece headstock tailstock Without chuck and without bezel in the photo Kelco 90 control The machine can be viewed in operation at the customer's premises from 2025 up to and including January 2026.

Condition: used, Year of construction: 2006, grinding diameter 350 mm grinding length 1000 mm centre height 175 mm weight of the machine ca. 3,5 t Machine completely overhauled with 12 months warranty Mechanically and optically like new Photos from the last overhauled machine with different options Fanuc 21i control -Grinding head UR 1-2-3 external/internal/plan -Axis automatic 1° Hirth serration -Active longitudinal positioning KEL-POS Movomatic Hedpfx Aaet Ii Nbs Eonp -Semi-automatic balancing device KEL-BALANCE -Grinding wheel equipment left 400mm diameter -Grinding wheel equipment right 300mm diameter -Internal grinding unit with belt drive -Tailstock with micro-adjustment -fine adjustment upper table -Paper belt filter SBP4 240l

Condition: used, grinding diameter 350 mm grinding length 1500 mm centre height 175 mm Grinding wheel left 500mm diameter Hedpfxst Ii Rfe Aa Eenp Grinding wheel head fix. No swivelling possible. With new control. With new enclosure Overhauled according to Kellenberger protocoll

Condition: used, Year of construction: 1980, grinding length 500 mm grinding width 200 mm workpiece height 290 mm Machine from the German Federal Institute of Physics and Metrology - geometrically revised - electrics tested, fully functional, relevant parts replaced - all wear parts replaced - colour light grey, colour condition good Equipment: - electro magnet 500x200mm - grinding spindle overhauled 2-axis display for Y and Z axes Automatic delivery for Y and Z axes Y-axis with zero shutdown Manual hand dresser Hedpfx Aaewb Hygj Ejnp Stepless speed for grinding wheel V-constant via disc wear Paper band filter system, used Max. height with 250 disc diameter 290mm max. grinding area 600x250mm max. load incl. magnet 100kg Warranty: 1 year on geometry and electronics, Germany-wide Delivery: ex works Shipping time: immediately Payment: before pickup Acceptance at our premises Shipping according to your specifications

Condition: used, Year of construction: 1990, grinding diameter 200 mm grinding length 340 mm centre height 100 mm Control CNC 25 kVA voltage 110 / 220 / 3x165 / 3x380 VAC control voltage 24 VDC Hnsdpoywnt Hsfx Aa Esp

Condition: used, Year of construction: 2004, grinding diameter 250 mm grinding length 650 mm 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 Hedpfx Asywntyja Eonp

Condition: used, honing diameter 99999 mm Hnsdpfsv Twgisx Aa Esp stroke 99999 mm throat 99999 mm Used panel of a NAGEL MSU2 No warranty