Cylindrical grinding machine

KELLENBERGER RS 125/430

Condition: refurbished (used), Kellenberger internal & external universal cylindrical grinding machine Kwodpfx Adjwqlykjtjt Kellenberger 1500 U - 175 (internal grinding attachment included) Centre distance: 1500 mm - Centre height: 175 mm Siemens servomotor. Frequency converter internal & external, WSS Available with various accessories. Availability: immediately! Option 1000U: in overhaul process

Condition: refurbished (used), Year of construction: 2025, functionality: fully functional, machine/vehicle number: 1845/455, Completely refurbished: Mechanics, geometry, hydraulics, and electrical components Wheelhead Disassembly, cleaning of parts, replacement of worn and defective components, motor overhaul, replacement of bearings, replacement of belts, spindle disassembly, replacement of seals and O-rings, plus adjustment. New paintwork. Workhead Disassembly, cleaning of parts, replacement of worn and defective components, motor replacement, replacement of belts. New spindle bearings. New paintwork. Tailstock Disassembly, cleaning of parts, replacement of worn and defective components, motor replacement, replacement of belts. New spindle bearings. New paintwork. Internal grinding attachment Disassembly, cleaning of parts, replacement of worn and defective components, installation of the support and geometry alignment. New paintwork. Ksdjxt Ilfjpfx Adtjwt Hydraulics Disassembly, motor replacement, hose replacement, defective and worn parts replaced. Hydraulic block checked. X-Axis Disassembly, replacement of worn items such as O-rings, seals, rings, etc., overhaul of hydraulic piston, regrinding of tables. Z-Axis Disassembly, regrinding of tables, replacement of worn and defective parts, overhaul of hydraulic piston, scraping of V and flat guides. New paintwork. Measuring system Digital 2-axis display included. Electrical cabinet Replacement of motor contactors and relay controls. New wiring. New variable speed drive (frequency inverter) for the workhead. TECHNICAL SPECIFICATIONS Distance between centers: 1500 mm Distance between centers (workhead to tailstock overhang): 1650 mm Center height, standard: 125 mm Center height with riser blocks: 225/250 mm Maximum grinding diameter: Ø 250 mm Maximum grinding diameter with riser blocks: 450/500 mm Table Usable surface: 2060 x 140 mm Max. length and width for surface grinding: 1750 x 200 mm Longitudinal travel, manual or hydraulic: 1750 mm Manual table movement, 1 handwheel revolution – coarse: 20.006 mm Manual table movement, 1 handwheel revolution – fine: 2.457 mm Table speed, continuously via hydraulics: up to 6 m/min Table swivelling: 6° Stop and return: 0–5 sec. Workspindle Workpiece speeds, continuously variable (electric): 20–400 rpm Swivelling: 360° Workspindle taper (internal): MT5 Tailstock Internal taper, tailstock spindle: MT3 Spindle retraction, manual or hydraulic: 30 mm Diamond dresser taper (internal): MT0 Universal grinding head Cross slide travel for wheel: 285 mm Rapid traverse for wheel slide, front and rear: 40 mm Grinding spindle speeds: 1500 – 1700 – 2200 – 3600 rpm Vertical grinding spindle movement, center heights: 125–330 mm Max. wheel for cylindrical grinding: 400 x 50 x 127 mm Max. wheel for surface grinding: 250 x 20 x 76 mm Head swivelling with locking at every 90°: 270° Wheel feed 1 division of the micrometer drum: 0.005 mm/Ø Automatic wheel feed, max.: 0.9 mm/Ø Motors Grinding spindle motor: 2,900 rpm / 4.0 hp Workspindle motor: 3,000 rpm / 2.0 hp Coolant pump motor: 2,850 rpm / 0.12 hp Internal grinding attachment Bore: 70 mm Internal grinding spindle speed Ø70 mm: 14,000 rpm Internal grinding spindle speed Ø50 mm: 21,000 rpm Subject to error or omission, the technical information is provided without obligation.

Condition: good (used), Year of construction: 2000, 20000 rpm, Kjdpfxsr Urm Se Adtswt tool measurement on table will come, Parts shown by hand not come.

Condition: used, grinding diameter 350 mm grinding length 1000 mm centre height 175 mm grinding wheel diameter 400 mm grinding wheel width 50 mm bore 127 mm MK5 work piece spindle speed 20-400 U/min grinding head swivelling 360 ° grinding spindle head - swivable 180 + - ° grinding spindle speed 1500,1700,2200 U/min 0-9,99 mm/Ø 0-9,99 mm/Ø ±8 ° longitudinal feed of the table 1100 mm table speeds 0,02-6 m/min 130 kg cross travel max. 270 mm 130 inkl. Spannung kg 80 mm tailstock quill taper MT 3 quill travel 30 mm total power requirement 6,5 kW weight of the machine ca. 3,05 t dimensions of the machine ca. 4 x 2 m Overhauled according to Kellenberger guidelines including new, modern and future-proof control system. Photo of already delivered machine in centre distance 1000mm. -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 familiarisation. -Diagnostic function with display of PLC messages and digital I/O -Dressing function can be extended or changed at the customer's request. -Orientated 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: -Encoder with digital display in the workpiece headstock -Rotary encoder with digital display in the grinding headstock (no height Kwsdpfjuxfupsx Adtet adjustment with spindle possible) with spindle possible) -New stable internal grinding device diameter 80mm or 100mm with height adjustment. -Increase of the centre height to max. 225mm -Speed control for the grinding spindle Included: -Operating tool -Clamping tube for chuck Further accessories on request. The x-axis of the machine has an electronically controlled infeed system with stepper motor drive. Hydraulic longitudinal and rapid traverse table movement. Versatile application in production for external cylindrical and internal internal grinding or for external, face and internal grinding in one clamping clamping of individual parts. Possible options: -Semi-automatic dressing cycles for external and internal grinding -automatic dressing compensation. -Measuring control

Condition: used, Year of construction: 2000, grinding diameter 360 mm grinding length 1600 mm 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. Kjdpfx Aot Hw Rdodtjwt Delivery : Ex stock as inspected. Payment : Net, after conclusion of contract.

Condition: used, Year of construction: 1992, Technical details: grinding diameter: 50 mm Kedpfx Adjr R Ek Sstowt grinding length: 100 mm centre height: 100 mm centre distance: 200 mm

Condition: excellent (used), Year of construction: 2005, functionality: fully functional, Studer S32 with Siemens 840 powerline control and Felsomat handling. 30-degree angled cut. Top condition. Machine can be inspected under power. Kwedpfxowa Im Es Adtst

Condition: used, TECHNICAL DETAILS - Number of axes : 5 - 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 Kjdsvxw A Uepfx Adtowt - 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

Year of construction: 2012, condition: like new (used), Parts shown by hand not come. With machine come tool holders SK 40. Kwjdpfx Aolpcdwjdtet

Condition: used, TECHNICAL DETAILS - distance between centers : 200 [mm] - centers height : 100 [mm] - strokes (X/Z) : 130 / 170 [mm] WHEELHEAD - grinding wheels dimensions : 400 x 63 x 127 [mm] - peripheral speed : 45 [m/sec] - power : 3 [kW] - positioned at : 30 [°] WORKPIECEHEAD - type of cone: MT4 - speeds : 600 - 3000 [rpm] - power : 0,5 [kW] - C axis indexing precision : +/- 0,5 [°] TAILSTOCK - type of cone : CM2 - quill stroke : 30 [mm] ELECTRICAL SUPPLY - voltage : 400 [V] - frequency : 50 [Hz] - installed power : 19 [kVA] DIMENSIONS - floor space : 1760 x 2180 [mm] - height : 2630 [mm] - weight : 4.000 [kg] HOURS - under power : 46.943 [h] - working hours : 21.529 [h] EQUIPMENT - CNC FANUC 16TB - soft options : Studer Release B, Pictogramming - interface : RS232C - electronic deported handwheel - direct measuring rules on axes X/Z - tailstock with fine concentricity adjustment - tailstock pinole hydraulic recoil - swiveling dressing wheel upon table : FISCHER AES-72x230/3 - dynamic wheel balancing device : DITTEL HBA 4000 - prepared for diameter sensor : MOVOMATIC ES400 - prepared for parts loading/unloading robot : FELSOMAT - automatic front door - prepared for cooling - electrostatic aspiration : ELOSTA BF2000 Kwedpfouhbxmsx Adtet - pneumatic collets chuck - 1 wheel-holder - 1 grinding wheel - support arm for zero gravity wheel change - 1 balancing shaft