CNC - Grinding Machine

KEHREN RI 64

Condition: refurbished (used), Kellenberger internal & external universal cylindrical grinding machine 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! Nedpfx Aowqlykog Nsku Option 1000U: in overhaul process

Condition: used, _____ Nkodpov Armcefx Ag Nsu Description: Year of manuf. : 2020 Control : Sonstige WEISS CNC Centre width : 6 mm In Generel: ear of construction:2020 Control system:WEISS CNC Centre width:6 mm Centre height:200 mm Grinding wheel dimensions:400x60 mm + 0x60 mm Workpiece headstock: Speed:1 rpm Workpiece weight max.:25 kg Sanding diameter max.:390 mm Mounting:MK4 Grinding headstock: Peripheral speed:2 m/s Grinding disc dimensions right:0 x 60 mm Grinding disc dimensions left:400 x 60 mm X-axis:380 mm Z-axis:1,1 mm B-axis:torque motor, infinitely variable Tailstock: Pinole diameter: mm Pionole stroke:45 mm Mounting:MK 4 Cylinder fine adjustment:+/- 0.04 mm Equipment: Positioning sensors:Direct scales Grinding spindles:2x grinding spindle (left/right) GAP / Crash Controll:Structure-borne sound (Sensotronik) Balancing:MPM balancing device Workpiece measurement:Marposs PF ME Automation:Robot interface prepared Set-up mode:Electronic handwheel Emulsion mist separator:Mechanical Dresser:For external grinding wheel left/right Accessories:Various grinding discs + flanges

Year of construction: 2006, condition: ready for operation (used), Travel X/Y/Z: 800mm/800mm/800mm, feed force X/Y/Z: 15000N/15000N/17500N, feed speed X/Y/Z: 50m/min, max. rotary table speed: 25rpm, spindle diameter: 100mm, tool holder: HSK 100, spindle power S1-100%: 40kW, spindle speed: 6000rpm. Magazine capacity for a maximum tool diameter of 280mm: 23. Max. pallet dimensions X/Y: 630mm/630mm, max. pallets in the system: 6, coolant tank volume: 1500l, 50bar high-pressure pump delivery rate: 22l/min. Machine dimensions X/Y/Z: approx. 6300mm/4900mm/4000mm, weight: approx. 19,300kg, control: Siemens 840D powerline, operating hours: 74,637h. Includes integrated tool monitoring IPM, remote diagnostics via modem, Renishaw MP10 touch probe, RSP 4-position round storage, chip removal, coolant system with Knoll VRF 250 vacuum rotary filter, pallet changing device, 6 pallets, 4 of which are clamping towers with universal clamping bars, approx. 100 HSK 100 tool holders, and Losma filter system. Documentation available. On-site inspection is possible. Expected to be available from the end of January 2025. Nodouxdhuopfx Ag Njku

Year of construction: 2002, condition: ready for operation (used), With two machining modules, X-axis: -50 to 725mm, Y-axis: -200 to 300 / -250 to 250mm, rapid traverse X-, Y-, Z-axis: 18/12/30m/min, control: Siemens Sinumerik, temperature range: 5–40°C, power type/frequency: 3 PEN / 50Hz, rated voltage: AC 400V, control voltage: DC 24V, auxiliary voltage: AC 230V, connected load: 102kVA, rated current: 148A, rated current (fast): 148A, fuse (slow): 160A, length: 8000mm, width: 3000mm, height: 4000mm, weight: approx. 17t, operating hours: approx. 80,000h. The machine is fully functional, the ball screw drive (recirculating spindle) of the Z-axis was renewed in 2024 and it has been regularly maintained. Comes with documentation, control cabinet, hydraulic unit, filter elements, and chip conveyor. An on-site inspection is possible. Nodpfx Agswbuyzs Nsku

Condition: used, Year of construction: 2006, Turning length 1500 mm Max. turning dia. 420 mm Spindle bore 105 mm Spindle speeds 3300 rpm Spindle speeds on live tools 3000 rpm Turret w/12 stations Hydraulic tail stock Control: Mazatrol 640 T Nexus Equipped with: Nodpfx Asx Nfwgsg Neku Magazine bar feeder FMB SL 80 3 pcs. live tools Various tool holders

Year of construction: 2008, condition: ready for operation (used), Sanding range: 2000x900mm, transverse movement: 875mm, longitudinal movement: 2450mm, distance table to spindle center: 845mm, magnetic clamping plate dimensions: 2000x800mm, max. table load: 2.3t, feed rate longitudinal axis: 1000-30. 000mm/min, feed transverse axis: 0,01-2000mm/min, feed vertical axis: 0,001-1500mm/min, grinding wheel dimensions: 500x100x203,2mm, power grinding spindle motor: 22kW, length: 6800mm, width: 3450mm, weight: 13t. On-site inspection is possible. Nkodpfx Agsuyk N Is Nou

Condition: refurbished (used), Year of construction: 2025, functionality: fully functional, machine/vehicle number: 1315/451, Completely overhauled: Mechanics, geometry, hydraulics, and electrical parts (checked and/or replaced) Wheelhead: Disassembled, parts cleaned, worn or defective components replaced, motor overhauled, bearings replaced, belts replaced, spindle disassembled, seals and O-rings replaced, adjustments made. Newly painted. Workhead: Disassembled, parts cleaned, worn or defective components replaced, motor overhauled, belts replaced. New spindle bearings. Newly painted. Tailstock: Disassembled, inspected, overhauled. Hydraulics: Disassembled, motor checked, hoses replaced, defective and worn parts replaced. Hydraulic block checked. Nedpfxow U Ry No Ag Njku X-axis: Disassembled, all worn parts such as O-rings, seals, segments, etc. replaced, hydraulic piston overhauled, table ground. Z-axis: Disassembled, table ground, worn or defective parts replaced, hydraulic piston overhauled, newly painted. Electrical cabinet: Completely checked, various relays replaced. Paintwork: Colors: White RAL 9003 and Grey RAL 7011 Geometry according to manufacturer's protocol. Various accessories checked and cleaned. Origin: CH Voltage: 380 / 50 / 3 Net weight: approx. 2,200 kg Customs tariff number: 8460.2920 TECHNICAL SPECIFICATIONS Nominal distance between centers: 600 mm Max. distance between centers (with extended headstock): 750 mm Center height, standard: 125 mm Center height with interchangeable pads for heads: 175–250 mm Max. workpiece diameter (125 mm center height): 250 mm Max. workpiece diameter with interchangeable pads: 350–500 mm Swiveling range of table in each direction: 10° Max. grinding length for flat surfaces (max. width = 200 mm): 900 mm Continuously variable hydraulic table speed: up to approx. 6 m/min Table reversal delay: 0–5 sec Grinding wheel for external grinding, diameter - width - bore: 400x50x127 mm Grinding wheel for flat surface grinding: 250x13x76 mm Wheelhead spindle speed: 1,500/1,700/2,200/3,600 rpm Wheelhead swiveling range: 270°, with indexing every 90° Vertical travel of wheelhead, center height: 125–350 mm Transverse travel of wheelhead: 285 mm Hydraulic rapid traverse stroke: 40 mm Intermittent infeed of wheel by table reversal: 0.001–0.03 mm/dia Continuous infeed for plunge grinding: 0–0.9 mm/dia Micrometric infeed stop, by division: 0.001 mm/dia Workhead swiveling range: 360° Workhead spindle speed, stepless: normal/special: 20–400 / 10–400 rpm Internal taper of workhead/tailstock: Morse 5/3 Wheelhead motor: approx. 4 HP All technical specifications are given without obligation and subject to errors or omissions.

Condition: good (used), Year of construction: 1998, functionality: fully functional, turning length: 400 mm, turning diameter: 60 mm, spindle speed (max.): 6,000 rpm, overall weight: 4,800 kg, Equipment: documentation/manual, rotational speed infinitely variable, Main spindle Ø 60 mm Counter spindle Ø 42 mm Nsdpfox Ez Ndox Ag Neku 2 turrets with 14 stations each Milling spindle on upper turret LNS Hydrobar – bar feeder

Condition: refurbished (used), TECHNICAL DETAILS - distance between centers : 1500 [mm] - centers height : 250 [mm] - max grinding diamater: 500 [mm] - table orientation : -/+ 8 [°] - universal wheelhead - grinding wheels dimensions : 400 x 50 x 127 [mm] - motor power : 3 [kW] - spindle speed : 1500 / 1700 / 2200 - boring for internal spindle : 90 [mm] - orientation of part holder headstock : 180 [°] - spindle speed : 20 - 400 [Rpm] - spindle internal cone : Morse 5 - motor power : 0,9 [kW] - inner cone tailstock : Morse 4 - tailstock sleeve travel: 30 [mm] - dimensions : 2860 x 1680 x 1670 [mm] - weight : 2 500 [kg] Njdjwu Aqhjpfx Ag Neku Accessories/options: - automatic cycle works - tailstock - lubricating tank with pump - 1 internal grinding spindle - external grinding wheels - wheel dresser - documentations The machine is partly overhauled, included: - new geometry - new electrical cabinet - bearings replaced - new painting - etc....

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 Nedpfjt Hw Rdex Ag Njku 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.