Internal Grinding Machine

internal diameter 500 mm︱grinding depth 1300 mm︱swing diameter 800 mm︱grinding diameter - internal 100 - 500 mm︱internal grinding motor - kW︱spindle speeds 24 - 240 mm/min︱spindle speeds (infinitely variable) 6600 / 3700 / 2100 U/min︱max. dia. of grinding wheel 300 mm︱workpiece length - max. 3150 mm︱Control LIR-540R ︱connected load kW︱weight 16 t︱dimensions of the machine ca. 6,1 x 3,4 x 2,1 m︱

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2018 overhauled/modernized: - Modernized hydraulics - new electrics (cabinet "RITTAL", components "ABB","Schneider-electric"), conforming to ISO9002 standard, replacement of the product's electric drive with a frequency drive (made in Japan, "Yaskawa"). The grinding wheel motor is equipped with a soft start system, a barograph is installed to indicate the load of the motors and a barograph to control the oil temperature. The control circuit is built using an intelligent relay "Schneider-electric". - to control the grinding process in two axes, a ruler and DRO LIR-540R are installed. equipped with: - Two internal grinding heads (fortune), lunette. According to customer requirements it is possible to manufacture additional fortunes and lunettes. - Diamter of the end of the grinding spindle according to GOST 2324-77, mm 25;50 - Diameter of the sleeve of the grinding spindle, mm 120; 200 - The conditional size of the end of the spindle of the product according to GOST 12595-72 1-15M - The length of grinding, depending on the diameters of the grinding holes, mm: -- 100-190 mm ... 450 -- 200-340 mm ... 700 -- 350-500 mm ... 1300 - Distance from the table mirror to the axis of the product spindle, mm 610 - Distance from the axis of the spindle to the base of the frame, mm 1465 - The greatest distance from the support end of the flange of the spindle to the end of the grinding head, mm 3150 - Limits of the values of discontinuous transverse feeding of the grinding wheel to the single table travel, mm 0.001-0.004 - Transverse movement of the grinding wheel, mm: -- The greatest from the hydraulic cylinder ... 1,8 -- One division of the limb ... 0.0025 -- for one rolling of manual dosing lever ... 0.0025 - The amount of compensation for the wear of the grinding wheel during the grinding cycle, mm: -- The greatest ... 0.2 -- The smallest ... 0.02 - The greatest course of the table, mm 1500 - Speed of table movement, m / min: -- The smallest ... 0.2 -- with a quick approach (withdrawal) ... 5 - Moving the table in one turn of the flywheel of manual movement, mm 5,6

internal diameter 5 - 100 mm︱grinding depth 150 mm︱swing diameter 310 mm︱work piece spindle speed 0 - 3000 U/min︱Z1- Axis 300 mm︱x-axis 1050 mm︱ajustment speed 0,01 - 10 mm/min︱workpiece spindle - bore 45 mm︱workpiece spindle flange Ø 220 mm︱total power requirement 45 kW︱weight of the machine ca. 12 t︱dimensions of the machine ca. m︱

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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 - 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 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 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 40-700 mm︱grinding depth 710 mm︱swing diameter 850 mm︱stroke of the table 1120 mm︱swivelling range 23 Grad︱workpiece turning speeds 5-500 U/min︱workpiece drive 9,4 kW︱grinding spindle drive 7,5 kW︱workpiece weight 500 kg︱grinding spindle taper diameter 120 mm︱connected load 25 kVA︱voltage 220/380 V︱coolant ︱steady 100-250 mm︱steady 250-400 mm︱total power requirement 19 kW︱weight of the machine ca. 7,5 t︱dimensions of the machine ca. 5,5x3,5x2 m︱

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- incl. misc. grinding spindles (5 pcs. included) - incl. lynettes - incl. misc. grinding wheels and spares

internal diameter 400 mm︱grinding depth 500 mm︱swing diameter 550 mm︱centre height 260 mm︱work piece spindle speed 40-400 U/min︱grinding spindle speed je nach Spindel U/min︱grinding wheel size Ý 63-160 mm︱table speeds 0,1-8 m/min︱infeed of wheel carriage 360 mm︱infeed speed of wheel carriage 0,1-1 mm/min︱electrics - voltage/frequency 380/50 V/Hz︱internal grinding motor 7,5 kW︱face grinding motor 4 kW︱total power requirement 17 kW︱weight of the machine ca. 6,5 t︱dimensions of the machine ca. 4,0 x 2,4 x 2,0 m︱ ︱ ︱ ︱

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including lots of grinding stones and overhauled grinding spindle.

internal diameter 75 - 630 mm︱grinding depth 500 mm︱swing diameter 800 mm︱turning diameter 75 - 630 mm︱work piece spindle speed range 16 - 250 U/min︱workpiece-spindle swiveling 30 °︱grinding wheel speed 35 m/sec︱grinding wheel dia. min./max. 40 - 250 mm︱grinding motor 11 kW︱total power requirement 17,5 kW︱weight of the machine ca. 10,7 t︱

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Internal cylindrical grinding machine Equipment / Accessories: - 1 grinding spindle - coolant system - magnetic chuck - various small grinding wheels - documentation

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 - 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 1- 100 mm︱grinding depth 120 mm︱swing diameter 250 mm︱centre height 175 mm︱workpiece length - max. 500 mm︱grinding table stroke min./max.: 2- 300 mm︱table speed -stepless- 0- 20 m/min︱grinding spindle speed 3500- 63000 U/min︱work piece spindle speed (6) 125- 1000 U/min︱workpiece spindle swivable +/- -30/+90 °︱total power requirement 7,5 kW︱weight of the machine ca. 3 t︱dimensions of the machine ca. 2,6 x 1,7 x 2,0 m︱

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Cooling arrangement and one additional overhauled grinding spindle.

internal diameter 1- 100 mm︱grinding depth 120 mm︱swing diameter 250 mm︱centre height 175 mm︱workpiece length - max. 500 mm︱grinding table stroke min./max.: 2- 300 mm︱table speed -stepless- 0- 20 m/min︱grinding spindle speed 3500- 63000 U/min︱work piece spindle speed (6) 125- 1000 U/min︱workpiece spindle swivable +/- -30/+90 °︱total power requirement 7,5 kW︱weight of the machine ca. 3 t︱dimensions of the machine ca. 2,6 x 1,7 x 2,0 m︱

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internal diameter 40 - 400 mm︱grinding depth 710 mm︱swing diameter 910 mm︱Work area over table ︱centre height 255 / 455 mm︱grinding length 710 mm︱grinding diameter 40 - 400 mm︱max. Grinding length for grooving loops 50 mm︱hole to grind min/max 40 - 400 mm︱ 3170 mm︱workpiece weight 500 kg︱grinding spindle ︱tool taper Ø 120 x 270 mm︱workpiece spindle ︱spindle bore 58 mm︱swivellable 15 °︱spindle speeds 40 - 400 U/min︱feed speeds 0,05 - 1 mm/min︱total power requirement 13 kW︱weight of the machine ca. 8,6 t︱

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Equipment / Accessories: - 3 grinding spindles - coolant system 25 l, 0.4 bar - various lifting means - documentation

internal diameter 5 - 200 mm︱ max. 330 mm︱centre height 180 mm︱workpiece length - max. 500 mm︱ max. 40.000 U/min︱weight of the machine ca. 2,7 t︱

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internal diameter 1500 mm︱grinding depth 600 mm︱swing diameter 1900 mm︱total power requirement 45 kW︱weight of the machine ca. 26 t︱dimensions of the machine ca. 7,0 x 3,8 x 5,0 m︱

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Inner diameter 1500 mm Grinding depth 600 mm Swing diameter 1900 mm Table diameter 1600 mm Workpiece - installation height 600 mm Table load - central / maximum 8000 kp Bore - min./max. to be processed 150-1500 mm Grinding spindles digital display Total power requirement 45 kW Machine weight approx. 26 t Space requirement about 7 x 3.8 x 5 m

internal diameter 5 - 200 mm︱grinding depth 250 mm︱swing diameter 330 mm︱centre height 180 mm︱workpiece length - max. 500 mm︱grinding table stroke min./max.: 3 / 600 mm︱table speed -stepless- 0 - 10 m/min︱grinding spindle speed 3600 - 40000 U/min︱work piece spindle speed (6) 65 - 600 U/min︱workpiece spindle swivable +/- 90 °︱total power requirement 7,5 kW︱weight of the machine ca. 2,9 / 0,7 t︱dimensions of the machine ca. 2.80 x 1.35 x 1.90 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 80 mm︱grinding depth / mm︱swing diameter 100 mm︱-------------------------------------------------- ︱WORKING RANGE CYLINDRICAL GRINDING ︱- swing diameter (max) 100 mm︱WORKING RANGE INTERNAL GRINDING ︱- grinding diameter (max) 80 mm︱- grinding diameter (min) 0.8 mm︱- worpiece length max. 200 mm︱- grinding depth (max) 120 mm︱DIMENSIONS / WEIGHTS ︱- space requirements -left/right- 1250 mm︱- space requirements -front/back- 800 mm︱- total height 1300 mm︱

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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 460 mm︱grinding depth 300 mm︱swing diameter 800 mm︱Control ︱spindle speeds 6000 - 45000 U/min︱total power requirement 4 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