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 10 - 400 mm︱grinding depth 400 mm︱swing diameter 500 mm︱Control SIN840D ︱workpiece length - max. 2.000 mm︱Z1- Axis 800 ︱feed 1 - 20.000 mm/min︱X1- Axis 245 mm︱feed 1 - 15.000 mm/min︱work piece spindle speed 10 - 500 U/min︱face grinding attachment ︱workpiece spindle slewability -1 - +12 °︱X2- Axis 300 mm︱max. dia. of grinding wheel 150 mm︱Z2- Axis 50 mm︱face grinding motor 3,00 kW︱U-axis 300 mm︱total power requirement 30,00 kW︱weight of the machine ca. 10,00 t︱dimensions of the machine ca. 6,00 x 3,,00 x H2,50 m︱

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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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Machine in good working condition, with new e-motor for the working spindle drive. Machine video: https://youtu.be/N95AzX9D_QY 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 Machine documentation.

internal diameter 300 mm︱grinding depth 700 mm︱swing diameter 330 mm︱spindle turning speed range 3600-40000 U/min︱spindle passage 50 mm︱workpiece turning speeds 180, 300, 500, 850 U/min︱total power requirement / kW︱weight of the machine ca. / t︱dimensions of the machine ca. / m︱

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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.

︱grinding depth 1800 mm︱ ︱total power requirement kW︱weight of the machine ca. t︱required space m︱

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Spindle Speed Min: 9.000 Rpm Max: 15.000 Rpm Centre height Min: 230 mm Max: 510 mm Spindle stroke 210 mm Horiz. Table size 700 x 1.000 mm Table stroke 1.800 mm Featured with - Feed on table - Feed on hor. Movement - Cooling unit - Safety doors