Internal Grinding Machine

internal diameter 45 - 85 mm︱external diameter 50 - 90 mm︱Control SIN840D ︱x-axis 145 mm︱z-axis 250 mm︱grinding wheel hole diameter 12 ︱peripheral speed max. 60 m/sec︱workpiece width - max. 20 mm︱total power requirement 20,00 kW︱weight of the machine ca. 9,00 t︱dimensions of the machine ca. 5,00 x 3,50 x H3,20 m︱

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Meccanodora RI-0G/CNC cage grinding machines with full enclosure can be used for single-spindle, high-precision grinding of the internal diameter on ball cages. Automatic loading/ unloading via the built-in loader/ unloader ensures maximum efficiency. Linked with Meccanodora 1309/CNC external grinding machine.

internal diameter 100 mm︱grinding depth 100 mm︱swing diameter 120 mm︱x-axis 300 mm︱rapid traverse 15 m/min︱z-axis 300 mm︱solution in X-, Y- und Z-axis 0,0001 mm︱spindle turning speed range 0-1000 U/min︱tailstock taper MT 5 ︱control Siemens 840 D ︱total power requirement 56 kW︱weight of the machine ca. 6,3 t︱dimensions of the machine ca. 3,8 x 2,6 x 2,2 m︱

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two 120mm grinding spindels installed 90.000 rpm and 45.000 rpm DIETTEL M5000 balancing dresser CO2 fire extinguishing cooling with oil granite machine bed

internal diameter 100 mm︱grinding depth 100 mm︱swing diameter 120 mm︱Control Siemes 840 D ︱x-axis 300 mm︱solution in X-, Y- und Z-axis 0,0001 mm︱spindle turning speed range 0-1000 U/min︱tailstock taper MT 5 ︱total power requirement 56 kW︱weight of the machine ca. 6,3 t︱dimensions of the machine ca. 3,8 x 2,6 x 2,2 m︱

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internal diameter 100 mm︱grinding depth - mm︱swing diameter - mm︱grinding diameter 120 mm︱grinding length 110 mm︱centre height mm︱control Siemens 840 D ︱total power requirement 56 kW︱weight of the machine ca. 6,3 t︱dimensions of the machine ca. 3,8 x 2,6 x 2,2 m︱

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STUDER S140 - CNC cylindrical I/D grinding machine with Q-axis (2 internal grinding spindles) DESCRIPTION Hours 52,966 Current state very good / very precise Max grinding I/D diameter 100 mm Software version: SIEMENS 840D V2-01 Maximum/average power requirement 56 kVa/28 kVa Voltage 3x 380 ±10Volt / 50 Hz Weight of the machine ca. 6,0 t Dimensions of basic machine 2,560 x 1,810 x 2,200 Coolant system: Oil Fire extinction Automatic CO2 Total Walter K8 Backup fire extinguishing system Inert gas generator (military type) Sensitron touching system Diettel M5000 Two spindles installed 2 x F 120 mm / GMN 90,000 RPM + 45,000 RPM Converters ACOMEL Two high frequency dressing spindles Technical specifications Very rigid Granitan S103 machine bed X axis max travel 300 mm X axis rapid feed 15,000 mm/min X axis resolution 0.0001 mm Z axis max travel 300 mm Z axis rapid feed 15,000 mm/min Z axis resolution 0.0001 mm Q axis diameter of the power chuck 180 mm Workhead speeds 0-1,000 rpm continuous Collet clamping system Powerhold pneumatic, - the original hydraulic system left in place, but disabled. Workhead taper MK5 Documentation files for commissioning, safety rules, operating, programming, maintenance, electrical diagrams.

internal diameter 630 mm︱grinding depth 500 mm︱weight of the machine ca. 9,5 t︱total power requirement kW︱dimensions of the machine ca. m︱swing diameter mm︱

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magnet clamping chuck diameter 700mm dressing device coolant device Technische Daten / technical details: Größte schleifbare Bohrung/biggest grindable hole 630 mm Kleinste schleifbare Bohrung/smallest grindable hole 75 mm Spitzenhöhe / center height 560 mm max. Schleiftiefe / max. grinding depth 500 mm max schleifbarer Aussendurchmesser /max grindable outer diameter 700 mm Durchlass in Werkstückspindel / passage in the work piece spindle 55 mm Drehzahl 9-stufig /spindle speed 9steps 16 – 250 UpM / rpm Größter Tischhub / max. table travel 900 mm Tischgeschwindigkeit stufenlos / table speed stepless 0,05 – 8 m/min. Anschlußwert / drive capacity 21 kW Gewicht der Maschine ca. / weight 9500 kg Technische Daten, Zubehör und Beschreibung der Maschine sind unverbindlich - Technical data, accessories and description of the machine are not binding.

internal diameter 120 mm︱grinding depth 200 mm︱swing diameter mm︱total power requirement 4 kW︱weight of the machine ca. t︱dimensions of the machine ca. m︱

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Grinding diameter, internal, max., approx. 3 - 120 mm Grinding depth, approx. 200 mm Height of centres above rotating workpiece slide 132 mm Max. swing Ø in front of rotating workpiece slide, approx. 450 mm Work spindle admission 40 mm Table stroke, max. (Z axis) 480 mm Workpiece cross adjustment (X axis) 50 mm Turret head cross adjustment (U axis) 50 mm Workspindle head swivelling (B axis) -30 / +45 ° (manual) Speeds of workspindle, infinitely variable 75 - 1,300 rpm Grinding spindle speeds 9,500 - 150,000 rpm Grinding spindle drive 4 kW Total electrical load, approx. 8 kW - 380 V - 50 Hz Weight, approx. 3,000 kg Accessories / Special Features * TRIPET (Bruetsch) CNC Control for 3 axes (Z, X and U) with electric hand wheel, with the usual programs such as pendular grinding, double pendular grinding, blind hole grinding (with face grinding), plunge-cut grinding, and automatic compensation of the dressing amount. Feed movements via stepping motor and roller-thread spindles (with hydraulic linear amplifier in the Z Axis). * Separate REFU Converter for the mounted PRECISE High Frequency Grinding Spindle, Model SC 40-0, n = 60,000 - 120,000 rpm. (One extra spindle is available.) * Workpiece headstock with hydraulic workpiece clamping device. (Also mounted at present is a special clamping device for long parts, which can be hydraulically clamped between the workpiece headstock and the live driving collar.) * Motor-driven dressing device. * Coolant preparation with centrifuge. * Integrated switch cabinet. * Internal hydraulic aggregate. * Separate cooling aggregate for hydraulic oil. * Oil mist exhaust. * Compressed air processing. * Completely enclosed working area. Condition : Very good. Machine can soon be inspected under power. Delivery : Ex stock - as inspected under power. Payment : Net, after conclusion of contract Thank you for your interest. We always have a good selection of grinding machines available. Please let us know your requirements.

internal diameter 120 mm︱grinding depth 200 mm︱swing diameter mm︱total power requirement kW︱weight of the machine ca. t︱

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CNC Internal Grinder w.2 Station Turret, Chuck

internal diameter 2 - 40 mm︱grinding depth 70 mm︱swing diameter 285 mm︱total power requirement 5,5 kW︱weight of the machine ca. 1,5 t︱dimensions of the machine ca. m︱

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Max. Distance chuck flange - wheelhead 390 mm Accessories: Grinding spindle, make PRECISE 20.000 - 66.000 rpm, power 1.3 kW Grinding spindle, make PRECISE 60.000 - 120.000 rpm, power 0.23 kW magazine

internal diameter 200 mm︱grinding depth 200 mm︱swing diameter 450 mm︱total power requirement kW︱weight of the machine ca. t︱dimensions of the machine ca. m︱

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3-jaw chuck internal and face grinding device dressing device coolant device Technische Daten / technical details: Größte schleifbare Bohrung/biggest grindable hole 200 mm Kleinste schleifbare Bohrung/smallest grindable hole 5 mm Schleiflänge / grinding lenght 200 mm Umlaufdurchmesser / rotary diameter 450 mm Werkstückspindeldrehzahl / work piece spindle speed 70-775 UpM/rpm Größter Schleiftischhub / max. grinding table travel 560 mm Tischgeschwindigkeit stufenlos / table speed stepless 0,5-6 m/min. Anschlußwert / drive capacity 16,5 kW Gewicht der Maschine ca. / weight 4700 kg Technische Daten, Zubehör und Beschreibung der Maschine sind unverbindlich - Technical data, accessories and description of the machine are not binding.

internal diameter 200 mm︱grinding depth 250 mm︱swing diameter 330 mm︱total power requirement kW︱weight of the machine ca. t︱dimensions of the machine ca. m︱

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internal diameter 20/300 mm︱grinding depth 250 mm︱swing diameter 250 mm︱workpiece spindle - bore 45 mm︱workpiece spindle swivable +/- 25 °︱taper setting angle of the workpiece column 50 °︱work piece spindle speed 42 - 400 U/min︱grinding spindle speed 10.000 U/min︱table speed -stepless- 0,1 - 8 m/min︱grinding spindle drive 4 kW︱power capacity 10 kW︱weight of the machine ca. 4.500 kg︱dimensions of the machine ca. m︱ ︱ ︱ ︱ ︱ ︱

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Internal grinding Æ, min./max. 20 / 300 mm Grinding depth 500 mm Table stroke, min./max. 5 / 800 mm Height of centres above table 250 mm Swing Æ in the table recess 600 mm Workspindle bore 62 / 45 mm Swivability of workpiece wheelhead 25 ° Max. taper angle which can be ground 50 ° Infeed, per stroke 0.0025 - 0.5 mm Workspindle speeds 20 - 400 rpm Grinding spindle speeds 10,000 rpm Table speeds, steplessly adjustable 0.1 - 8 m/min Grinding spindle drive 4 kW Total electical load approx. 8.3 kW - 380 V - 50 Hz Weight approx. 4,500 kg Accessories / Special Features * Manually swivable face grinding equipment with cup wheel, approx. Æ 150 mm, and built-on dressing device. Longitudinal travel approx. 350 mm. * FORTUNA Internal Grinding Spindle, Model SI 80 x 630, n = 10,000 rpm. * Hydraulically swivable diamond dressing device for the internal grinding spindle. * Separate coolant equipment.

internal diameter unbkt. mm︱grinding depth unbkt. mm︱swing diameter unbtk. mm︱total power requirement kW︱weight of the machine ca. t︱dimensions of the machine ca. m︱

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internal diameter 1-150 mm︱grinding depth 230 mm︱swing diameter x mm︱weight of the machine ca. 3.2 t︱

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L6 for longer parts stronger workpiecehead Y- axis manual cross adjustment Misc accessories more details on www.marcels-maschinen.ch