Internal grinder cnc

STUDER CT 450

Condition: as good as new (ex-display), Year of construction: 2025, Offered is a External cylindrical grinding machine EMAG Weiss WPG 7 - external cylindrical grinding at the highest level and on the smallest footprint. Footprint of the WPG 7 is only 1,800 x 2,400 mm. The machine is perfect for machining small shafts or pinions. The WPG 7 can be loaded manually as well as by automated solutions (such as chain conveyors and linear gantry). CONTROL Fanuc 0i TECHNICAL DATA Workpiece length: max. 250 mm Blsdpfxstlrkbe Afyed grinding Ø: max. 80 mm Center height: 100 mm Center length: 380 mm Workpiece weight: max. 30kg Grinding wheel Ø: max. 500x 80 mm Price, delivery time and equipment of the machine according to agreement.

Condition: good (used), Centre bore 2- 50 mm Bodpfx Aferivlueyold Diameter of workpiece 8 - 125 mm Lenght of workpiece 50 - 1000 mm Grinding wheel speeds 13'000 - 45'000 rpm Misc.accessories MARCELS MASCHINEN AG

Condition: used, Year of construction: 2000, grinding diameter 360 mm grinding length 1600 mm Bedpfst Hw Rdox Afysld centre height 180 mm internal diameter 0 mm grinding depth 0 mm swing diameter 0 mm total power requirement 40 kW weight of the machine ca. 10000 kg dimensions of the machine ca. m K A R S T E N S (Germany) Universal “CNC” - Cylindrical Internal and Face Grinding Machine also for grinding excentric and cam profiles and polygons and even suitable for Threadgrinding Model K 51 – 1500 Year 2000 Serial No. 99 093 Height of centres 180 mm Distance between centres / grinding length 1,700/1.600 mm Cylindrical Grinding: Grinding Ø, approx. 5 - 360 mm Grinding wheel: Ø x width x bore 500 x 100 x 127 mm Grinding spindle speeds (35 m/s / 50 m/s) 1.900 / 2.200 rpm Drives of cyl./int/face spindle units 7.5/4,0/7,5 kW Grinding Wheelhead: 3 Positions = B-Axis Head swivels in 3 positions = 240 ° / 17,5 degree X-axis adjustment in total 360 mm Increments for infeed 0,001 – 125 mm Workpiece wheelhead = C-Axis Spindle speeds steplessly adjustable 10 – 1.000 rpm Spindle taper / Spindle bore MK 4 / 24 mm Table speeds 0,01 – 10.000 mm/min Total electrical load 40 kW - 400 V - 50 Hz Weight, approx. 10,000 kg Accessories / Special Features: * Very versatile CNC Grinding Machine for almost all grinding purposes like External/Internal and Face grinding as well as for Excentric- / Cam- / Polygone Grinding and even for Thread Grinding * Free programmable CNC System make BWO Model 900 C with many grinding cycles and for easy input of the work-parameters. Graphic support, any many more features. * 3 position wheelhead with 3 Grinding spindles as B-Axis, one with measuring feeler (Z - Position) * MOVOMATIC Measuring Device Model ES 400 for diameter control, Probe head CR 60, to be mounted on table. * MPM Automatic Grinding wheel balancing Device, Dressing devices with diamantflees mounted on table surface and also motorized Diamantroll Profile dresser on table (for thread profiles, etc.) * Workhead and tailstock can be easily moved on table by air cushion. Hydraulic quill on tailstock. * No Coolant Device available ! Condition : Good to very good. Machine can be inspected under power. Delivery : Ex stock as inspected. Payment : Net, after conclusion of contract.

Condition: good (used), cylindrical grinding machine Bledpfx Aotrgndofyed

Condition: used, Year of construction: 2008, turning diameter 1000 mm swing diameter 1250 mm turning height 500 mm control Siemens Sinumerik 840 D Workpiece spindle flange diameter 520 mm work piece spindle speed range 0-440 U/min total power requirement 75 kW weight of the machine ca. 25 t dimensions of the machine ca. 5100 x 3034 x 4500 mm With grinding spindle Table travel: - Z1/Z2 axis 1000 mm, - X1/X2 axis approx. 1300 mm Bledpfx Aew Rgcfsfyod Table speed continuously adjustable: - Z axis 0–30 m/min, - X axis 0–50 m/min - Feed speed continuously adjustable 0.01–15 mm/min - Feed dependent on stroke 0.0005–0.1 mm - Workpiece spindle positioning C axis Equipment/accessories: - Grinding spindle - Kaiser dresser - Tool measuring probe - Filter system - With flushing nozzle connections - 2 Capto holders - 1 set of jaws for chuck - technical documentation

Condition: used, grinding diameter 350 mm grinding length 1000 mm centre height 175 mm dimensions of the machine ca. 3,6/3,5 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 is: Kellenberger Kel-Varia Baureihe mit Kelco 90 Steuerung. Mechanische Überholung: -komplette Maschine nach Kellenberger Messprotokoll überholt -Neue servicefreundliche Kabine -Neulackierung Elektrische Überholung: -Neue moderne CNC-RUNDSCHLEIFMASCHINEN-Steuerung -Neu aufgebauter Schaltschrank -Neue Antriebstechnik -Austausch sämtlicher elektrischer Leitungen Berus Druckschalter etc. -Neue Absolut-Glasmaßstäbe in x- und z -Neuer Absolut Drehgeber (Bei-B-Achse) Standardausstattung: -WSS mit Konus MK5, optional mit Adapter MK5/Kurzkegel -RST mit MK4 Konus. Optional mit Feinverstellung -Schleifspindelstock T1/T2/T3 -T1 Schleifscheibendurchmesser 400mm -T2 Schleifscheibendurchmesser 300mm -T3 Innenschleifeinrichtung riemengetrieben. -Schleifspindelmotor 4,4kW -B-Achse hochauflösend Bjdpfxouwv H Hj Afyjld -Marposs Messsystem zur Schleifscheibenvermessung. -Längspositionierung Marposs -GAP Control (Sensor am Schleifspindelstock) Optionen gegen Aufpreis: -HF Innenschleifspindel -Hochgenauer, höchst kippsteifer Werkstückspindelstock -Messteuerung 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, TECHNICAL DETAILS - Number of axes : 5 Bsdpfevxw A Ujx Afysld - Distance between tips : 400 [mm] - Effective diameter : 180 [mm] LINEAR AXES - X1 and X2 x Z travel : 220 [mm] - Z travel : 850 [mm] - X x Z resolution : 0.0001 [mm] TURRET : - Number of fixed positions : 12 - Tool holders : VDI30 WHEEL CARRIER - Right-hand external grinding : * Grinding wheel dimensions (Ø x width x bore) : 400 x 50 x 127 [mm] * Drive power : 6.8 [kW] WORKPIECE CARRIER - Max. speed : 7500 [rpm] - Speeds (synchronous operation) : 1 - 5000 [rpm] - Taper type : CM4 - Drive power : 10.5 [kW] - C axis : 0.001 [°] SYNCHRONIZED COUNTER SPINDLE - Max. speed : 7500 [rpm] - Rotational speeds (synchronous operation) : 1 - 5000 [rpm] - C axis : 0.001 [°] - Inner cone : MK4 - Micrometric adjustment : +/- 40 [microns] - Drive power : 10.5 [kW] POWER SUPPLY - Power rating : 45 [KVA] DIMENSIONS - Floor dimensions : 2800 x 3960 [mm] - Machine weight : 7600 [kg] MACHINE HOURS - Powered hours : 57000 [h] EQUIPMENT - NC FANUC 310i-modelA - Software Studer WIN - RS232 / USB interface - Remote electronic handwheel - Turret with Renishaw LP2 length self-calibration device - Marposs feelers for diameters (multirange) + Z4 axes for positioning - Semi-automatic wheel balancing MPM.3 BMT100 M.24 - 480 L coolant tank * with paper filter * with magnetic filter - Chip conveyor - Fog extraction - Cooling unit for grinding wheel motor cooling - Electronic contact detection Dittel AE6000 - Fixed dressing device on workhead - Electrical cabinet air conditioning - Balancing shaft - Interface for automatic loading system

Condition: reconditioned (used), Year of construction: 1998, operating hours: 44,675 h, functionality: fully functional, travel distance X-axis: 650 mm, travel distance Y-axis: 450 mm, travel distance Z-axis: 140 mm, spindle speed (max.): 60,000 rpm, spindle speed (min.): 9,000 rpm, workpiece weight (max.): 800 kg, table width: 860 mm, table load: 1,500 kg, travel distance W-axis: 635 mm, Equipment: documentation/manual, Fully overhauled and in perfect condition as per original specifications and accuracy. 6 Axis X-Y-Z-C-U 7th axis CNC-rotary table with tailstock in option Bjdswb Db Uopfx Afysld Control: Fanuc 15 MB Grinding Spindle 60S speed 9,000 to 60,000 rpm Hi-Cut system with full enclosure CBN Form rotary dressing with Fischer spindle and Dr. Kaiser diamond wheel This machine is under power and can be seen in our facility in Gals, Switzerland Garantee of 6 months Shipment, installation and training can be provided

Condition: used, Year of construction: 2009, internal diameter max. 600 mm grinding depth max. 800 mm grinding length max. 600 mm control Siemens 840 D grinding diameter - internal max. 600 mm grinding diameter - cylindrical max. 800 mm workpiece length - max. 380 mm external grinding length max. 600 mm travel - x1 axis 150 mm travel - z1 axis 1100 mm travel - x2 axis 470 mm travel - z2 axis 800 mm workpiece spindle 8,5 kW Bljdpfxswp S Tns Afysd turning speed range - stepless 1-795 U/min Equipment / Accessories: Workpiece spindle unit (U/B1/L adjustment): - Travel (U-axis): 300 mm - Swivel angle (B1 axis): -0,5°/+12° - Drive power of the workpiece spindle: 8.5 kW - Speed range (infinitely variable): 1-795 rpm - Set-up speed (jogging): 10 rpm - Spindle head size A 8 according to DIN 55026 - Through-hole 58.5 mm - Workpiece diameter max. 830 mm - Workpiece length (overhung clamping) max. 800 mm - Workpiece length (clamped between centers) max. 800 mm - Load capacity at spindle head max. 6100 N Internal grinding device (Z1/X1/B2): - Travel (Z1 axis): 1100 mm - Travel (X1 axis): 150 mm - Swivel angle (B2 axis): 270° - Manual longitudinal adjustment of internal grinding axis on table: 780 mm - Drive power of the internal grinding spindles (infinitely variable) Belt-driven grinding spindles: 7.5 kW - Grinding block mounting hole (diameter): 100 mm / 125 mm - Mounting length of sanding block: 220 mm - Sanding diameter: max. 600 mm - Sanding depth: max. 800 mm External and surface sanding device (Z2/X2): - Travel (Z2 axis): 800 mm - Travel distance (X2 axis): 470 mm - Swivel angle (B2 axis): 270° - Drive power of the external grinding spindles: 7.5 kW - Grinding block mounting hole: Ø 140 mm - Sanding diameter: max. 800 mm - Sanding length max. 600 mm - Grinding wheel dimensions: max. Ø 450 x 50 x Ø 127 mm

Condition: as good as new (ex-display), Year of construction: 2024, functionality: fully functional, Working area Grinding length: 250 mm Centre height: 100 mm Workpiece weight: 30 kg Z-axis: 350 mm Table adjustment: 8 ° degrees X-axis: 190 mm Grinding spindle Grinding wheel diameter max.: 500 mm Grinding wheel width max.: 80 mm Grinding wheel bore: 127 (203) Grinding wheel motor power: 5.5 kW Peripheral speed: 50 m/s Grinding wheel protection cover: D500 x 80mm Workpiece spindle Speed: 1 - 2,000 rpm Workpiece spindle mount: MK4 Tailstock Tailstock quill mount: MK3 Tailstock quill stroke length: 30 mm Cylinder fine adjustment range: ± 0.04 Bjdpfx Afsvz Snkjyold Equipment Paper belt filter system Rinse gun Mechanical fume extraction