Used Cnc 5 Axis Machining Center for sale (76,594)

Condition: new, Year of construction: 2025, Technical data Control system multi-axis real-time interpolator, with active prediction of trajectories, LAN communication, EtherCat, sampling time less than 1 ms, RTCP, remote service access Cjdpfx Abswhxcgjbshf Working area X: 2000-4700 mm; Y: 3000-30000 mm Z axis clearance up to 3000 mm Drive system servo drives with EtherCat protocol, X, Y, Z helical strips hardened ground in accuracy class 6 Linear bearing trapezoidal rails, Y axis quadruple guide size 35, X and Z axis triple guide size 35 Travel speed X, Y up to 25 m/min; C, A up to 6000 degrees/min Program resolution 0.0005 mm Positioning accuracy 0.01 mm Gate drive double-sided master/slave with gate angle correction Electrospindles up to 50 kW Electrospindle inverter yes Maximum electrospindle speed 24000 rpm (option 6 000 – 40 000) Welded, stress-relieved, precisely machined steel gantry Table type T-shaped modular (steel, aluminum) separated from the main structure Possible additional options 3D printing head tool cooling linear tool magazine or mobile linear turret chain cutting saws laser scanner radio measuring probe processing zone separators correction map roller roof vacuum table extraction foot adapted to 5-axis heads specialized CAD/CAM software 3D printers for granulate can handle a variety of plastics, such as PLA, ABS, PETG, polyamides or polypropylene. #plotter #CNC #milling machine #millingrouter #machiningcenter #3axis #4axis #5axis #3D #3Dprint #MDF #HPL #Pywood #plytawiorowa #Chipboard #steel #aluminium #aluminum #brass #stainless steel #cast iron #polypropylene #polycarbonate #acrylic #fermacell

Condition: refurbished (used), Year of construction: 2018, functionality: fully functional, feed length X-axis: 350 mm, travel distance X-axis: 6,500 mm, rapid traverse Z-axis: 350 m/min, spindle speed (max.): 24,000 rpm, spindle speed (min.): 1,000 rpm, overall weight: 4,500 kg, working range: 6,500 mm, spindle motor power: 7 W, Headline Options: - Boost Your Production with the Refurbished NEXUS REV 8000 4-Axis CNC Machining Center! - Precision & Power: The Ultimate 4-Axis CNC Solution for Aluminum Doors & Windows - Maximize Efficiency: High-Speed, Double-Station CNC Machining Center Key Selling Points (Short & Punchy): - 4-Axis CNC Power: Machine complex profiles from the top and all angles (±90°) with incredible precision. - High-Speed Spindle: 7.5 kW spindle reaching 24,000 rpm for fast, clean cuts even on thick profiles. - Double-Station Design: Two independent 6.5-meter workstations for non-stop productivity—machine one profile while setting up the next. - Exceptional Accuracy: Advanced gantry system with dual servo motors ensures perfect alignment and vibration-free operation. - Smart Tool Management: 8-position automatic tool magazine handles tools from 1 mm up to 300 mm disc cutters. - Plug-and-Play Software: Included UNILINK CAD-CAM software streamlines operation from design (DXF) to finished part with automatic tool and clamp management. - Fully Refurbished & Guaranteed: Completely overhauled by NEXUS TECHNICA experts, backed by a 6-month warranty and full future support. Technical Highlights for the Ad: - Work Envelope (X, Y, Z): 6,500 mm x 350 mm x 350 mm (Double Station) - Spindle: 7.5 kW, 24,000 rpm - Control: Advanced CNC with movable terminal (PC, keyboard, mouse included) - Tool Magazine: 8 positions (handles large disc cutters) - Clamping: 10 manually positioned pneumatic clamps (automatic positioning optional) - Software: UNILINK 3D CAD-CAM software - Condition: Professionally refurbished and modernized Ideal For: - Manufacturers of aluminum windows, doors, and sliding systems - Companies working with long aluminum profiles - Businesses aiming to automate and boost production capacity Chodpoxfqg Nsfx Abbsf Call to Action: Ready to revolutionize your profile machining? Contact us today for more information and to arrange a viewing!

Condition: excellent (used), Year of construction: 2012, operating hours: 27,960 h, functionality: fully functional, travel distance X-axis: 1,016 mm, travel distance Y-axis: 660 mm, travel distance Z-axis: 635 mm, spindle speed (max.): 12,000 rpm, operating hours of spindle: 27,900 h, number of spindles: 1, number of slots in tool magazine: 41, Haas VF-3SSYT 5 axis Technical specifications: travel distance X-axis : 1016 mm travel distance Y-axis : 660 mm travel distance Z-axis : 635 mm • Spindle 12,000RPM • Tool Clamping SK/BT 40 • Tool Magazine – 40 Places +1 • Chip conveyor • ICS included (might be 30 bar) • Process Measurements – Renishaw Kit – OMP+OTS • Production Date –2012 • Spindle time - 27900 • 5 axis on the table Located in Israel 2 hour from international Airport under power and ready for inspection Chsdpfx Abexbifcsbjf

Condition: ready for operation (used), Year of construction: 2006, 5-Axis Machining Center MAZAK VARIAXIS 630-5XⅡ, Year 2006. Equipped with MAZATROL MATRIX control. Max. work diameter: 730mm, length: 500mm. Travels (X/Y/Z): 630x765x510mm. BT40, 30-tool ATC, 2-pallet APC, 25,000 rpm. Conveyor, tool length measurement. Cedpfx Absw Equcjbohf

Condition: new, Year of construction: 2025, Technical data Control system multi-axis real-time interpolator, with active Chedpfxevyrgqs Abbjf trajectory prediction, LAN communication, EtherCat, sampling time below 1ms, correction map, RTCP, remote service access Working area 2100x4100mm Z-axis clearance 400mm Drive system servo drives with EtherCat protocol, X, Y hardened helical strips ground in accuracy class 6, Z axis ball screw in accuracy class 5 Linear bearings trapezoidal rails Speed ​​of travel up to 60 m/min Program resolution up to 0.0001 mm Positioning accuracy 0.01mm Gate drive double-sided master/slave with gate angle correction Electric spindle 17kw s6 tilt/rotate head kit axis range a= +- 185°, c= +- 320°, orbital k plus px-2 15/12 63f nc hsk63 for 5 axis machines Tool cone HSK63F Maximum speed of the electrospindle up to 24,000 rpm Design welded steel, ribbed, stress-relieved, precisely machined Milling cutter shank diameters from 2 to 20 mm (optional up to 26 mm) Brushless electrospindle Table type vacuum, pneumatic sections Equipment options 3-position linear magazine 16-position revolver magazine with tool presence sensor positioning bases and vacuum blocks automatic central lubrication with solid grease pressure booster security fence intelligent vacuum sections wireless manipulator sensor for measuring the length and diameter of the tool positioning laser

Condition: used, Year of construction: 2006, travel distance X-axis: 980 mm, travel distance Y-axis: 630 mm, travel distance Z-axis: 630 mm, table width: 1,250 mm, table length: 750 mm, rotary table diameter: 700 mm, DMG DECKEL MAHO DMU80 monoBLOCK HEIDENHAIN iTNC530 Rotary T: dia700mm T:1,250x750mm 18,000rpm HSK-A63 ATC32 Touch probe TS640 Blum Laser Chip Conveyor Cjdpfx Abjvxngdsbehf

Condition: ready for operation (used), Fanuc Robot + 3 Breton machining centers 5 axes Max longitudinal travel X-axe: 18 000 mm Chedpfextgkgjx Abbof

Condition: excellent (used), Year of construction: 2013, functionality: fully functional, Manufacturer: BACCI Model: EVO JET Type of machine: CNC Machining Center Year of manufacture: 2013 The EVOLUTION JET is an extremely flexible machining center, both in terms of adjustable dimensions and the number of worktables, onto which devices for manual, semi-automatic, or fully automatic loading and unloading can be installed. Ideal for simultaneous processing of all components required for assembling chairs or furniture on a single machine. Technical data: Fully digital NC axes: 12 Linearly interpolated axes: 3 + 3 or more Rotary interpolated axes: 2 + 2 Longitudinal axis (X): 3,400 mm or more Transverse axis (Y): 1,300 mm Head transverse axis (Y): 1,000 mm Vertical axis (Z): 750 mm A-axis: unlimited C-axis: +/- 180° 5-axis spindle CNC self-adjusting worktables Special material clamping system Rack gripper OSAI machine control Electrical cabinet cooling Independent Z-axes: 2 Number of milling spindles: 4 Chsdpfjxw Nv Hox Abbof Maximum spindle speed (rpm): 24,000 Cantilever design 2 tables Belt feed loading External transport: roller conveyor Enclosed cabin CE marking

Condition: used, Year of construction: 2007, x-travel 750 mm y-travel 600 mm z-travel 520 mm b-axis -10/+95 ° c-axis 360 ° control iTNC 530 HEIDENHAIN turning speed range - drive spindle 20 - 10.000 min/-1 drive capacity - spindle motor 9 / 13 kW feed speeds 10.000 mm/min rapid traverse X/Y/Z 24 / 24 / 24 m/min table surface area Ø 800 x 620 mm max. table load 350 kg T-slots 9x 14H7 mm table turning speeds 21,5 min/-1 tool taper SK 40 max. tool weight 6 kg tool change unit 30 Pos. voltage 400 V total power requirement 25 kVA weight of the machine ca. 7,4 t dimensions of the machine ca. 3,60 x 2,50 x 2,80 m coolant tank 1,90 x 0,70 x 0,25 m 3+2-axis CNC machining center DECKEL MAHO DMU 70 - Factory no.: 15435713144 Codpfex Dnfgjx Abbehf - Machine ON: 44,228 h - Spindle ON: 18,742 h - Control: HEIDENHAIN iTNC 530 - Electric handwheel - Swivel range B-axis 180° - Swivel range C-axis 360°

Condition: used, Year of construction: 2000, travel -x axis 600 mm travel -y axis 450 mm travel -z axis 450 mm control HEIDENHAIN - TNC 430 turning speeds 10.000 U/min numbers of positions in the tool changer 30 tool taper SK 40 5-axis simultaneous machining center | HERMLE - C 600 U equipped with a 30-tool changer, a swivel axis, and an NC combination table (600 x 370mm / ø 280mm). The machine has approx. 17.754 H spindle hours. Additional equipment: - Swivel axis - NC combination table (600 x 370mm / ø 280mm) - Probe system (SK 40 - RENISHAW) - Tool breakage monitoring Cedpfev T Nr Rsx Abbohf The machine is in well-maintained condition, has been used exclusively for educational and training purposes. For further technical details, please refer to the offer. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - #Tags: C 600 | C600 | C-600 | C600U

Condition: used, Year of construction: 2017, x-travel 750 mm y-travel 650 mm z-travel 560 mm Control 3D HEIDENHAIN TNC 640 table-size 800 x 650 mm rotary table 650 mm table weight 600 Kg c-axis ° b-axis -120+120 ° Tool diameter 840 mm toolpiece height max. 500 mm rapid taverse 40.000 mm turning speeds 20.000 U/min Tool adapter HSK-A63 Torque 130/86 0 engine output 35 kW Internal cooling system 40 bar Machine on 26.972 h Spindle hours 11.412 h tool change unit 60 pos. Internal cooling system 40 bar total power requirement 49 kW weight of the machine ca. 11.600 kg -Tool charger -No. Positions in the tool charger 60 -Tank with 500l paper filter Cjdpfxsxwzfte Abbshf -Active refrigerator cabinet -Infrared measuring probe Heidenhain piece -Blum laser probe measuring device -chip extractor -Cleaning gun with 2 bar 40 l/min pump -3D quick set -HEIDENHAIN HR-510 Portable Steering Wheel

Condition: excellent (used), Year of construction: 2016, x-travel 950 mm y-travel 850 mm z-travel 650 mm Control HEIDENHAIN TNC 640 spindle turning speed range 20000 U/min tool taper HSK-A 63 coolant IKZ 40 bar swivable table: 850 x 750 mm c-axis 360° Codpfxjvwgrpj Abbshf tool change unit 60 Pos. weight of the machine ca. 14 t This DMG DMU 95 monoBLOCK is in very good condition and is available immediately: ACCESSORIES included: - 75 HSK-A63 chucks - Tool trolley - SCHUNK zero point system with: 1 base plate 4 interchangeable tables (plates) 1 vice plate 16 columns Technical data: Clamping surface table C-axis: 850 x 750 mm Clamping surface rigid table: 1,000 x 750 mm Control: 3D control HEIDENHAIN TNC 640 Spindle speed: 20,000 rpm Spindle power: 35 kW (40% ED) / 25 kW (100% ED) Tool holder: HSK-A 63 according to DIN 69893 Tool changing device: Double gripper Magazine slots: 60 (chain magazine) Connected load: 50 kVA Coolant system IKZ: 40 bar / 23 l/min through spindle centre (AD) External coolant supply: 4 bar / 40 l/min EQUIPMENT and DESCRIPTION - MPC Machine Protection Control chip tray with integrated coolant tank 500 l - Scraper belt chip conveyor with coolant system 600 litres, paper belt filter - Infrared measuring probe HEIDENHAIN TS 649 - 3D quickSET extension package - Coolant ring nozzle for vertical headstock, 15 water nozzles, 5 air nozzles - Flushing gun with pump 2 bar / 40 l/min - Cooling device Blast air through spindle centre, selectable via M function - Operating mode 4 - Manual intervention with open work area doors - Documentation

Condition: used, MAKE CHIRON MODEL MILL 800 5 axis 5 axis machininng center (milling/turning from bar) Under power in our warehouse in Gussago BS Italy Mimu Machine tools CNC Fanuc 18iMBS (5 simoultaneous axis 1*) X, Y, Z (mm) 800 – 500 - 550 Rapids (Highspeed) 60 m/min Swivelling head CNC controlled (B axis) +/- 100° Turning spindle Peiseler Milling spindle 12.000 giri / 140 Nm (v nota 2) Tools 65 Tool type HSK-A 63 DIN 69893 Tool-change time 1,5 sec (v nota 3) Table 1400x500 Max table load 1200 kgs 90fjsieew Coolant through spindle 70 bar (see note 4) CNC controlled clamping/rotating unit for 6th face machining (v. nota 5) Pressurised linear encoders Csdpegmi Unofx Abbshf Swarf conveyor Renishaw-ready Y.O.M. 2006 Weight 7500 kgs Turning package Max dia 65mm RPM: 15 / 4500 Max 42,5 KW / 90 Nm. Hydraulic clamping 800 Nm. Bar loader ILS-RBK- 10012 65 Diameters min/max 5/65 mm L= 600-1200 mm Highspeed (2) 60m/min. Spindle ...

Condition: used, Year of construction: 2009, x-travel 500 mm y-travel 250 mm z-travel 400 mm CNC-control Mitsubishi M70 Table dimensions Ø 250 mm max. table load 60 kg spindle taper HSK 63 spindle turning speed range 20 - 12.000 U/min spindle motor 7,5 kW Cedpfxexq Hgio Abbshf feed range max. 10.000 mm/min rapid traverse 48 / 60 / 72 m/min tool change unit 24 Pos. coolant IKZ voltage 400 V c-axis 360 0 b-axis ° total power requirement 25 kW weight of the machine ca. 5,0 t dimensions of the machine ca. 1,90 x 2,70 x 2,85 m chip conveyor 2,00 x 0,60 x 1,65 m coolant tank 1,60 x 1,20 x 0,60 m - Serial No.: RM10090 Axis CNC-Control (5-side machining with single clamping) – Internal coolant through spindle TSC – electronic hand wheel – Spindel oil chiller – working light – Central lubrication

Condition: used, Year of construction: 2011, travel -x axis 570 / 500 (1.070) mm travel -y axis 650 mm travel -z axis 530 mm control HEIDENHAIN iTNC 530 number of spindle speeds 12.000 U/min tool taper SK40 Cjdpjwlvrajfx Abbjhf 5-axis machining center | HEDELIUS - RS605 K IC equipped with tool changer, ITC (50bar), zero-point clamping system and chip conveyor. The machine only has 7.863h spindle hours. An extensive tool package is included. The machine is in a well-maintained condition. For additional equipment information please refer to the original order confirmation which is included in the offer of this machine. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - #Tags: RS605 K IC 40 | RS-605 | RS 605

Condition: used, MAKE CHIRON MODEL MILL 800 5 axis 5 axis machininng center (milling/turning from bar) Under power in our warehouse in Gussago BS Italy Mimu Machine tools CNC Fanuc 18iMBS (5 simoultaneous axis 1*) X, Y, Z (mm) 800 – 500 - 550 Rapids (Highspeed) 60 m/min Swivelling head CNC controlled (B axis) +/- 100° Turning spindle Peiseler Milling spindle 12.000 giri / 140 Nm (v nota 2) Tools 65 Tool type HSK-A 63 DIN 69893 Tool-change time 1,5 sec (v nota 3) Table 1400x500 Max table load 1200 kgs 90fjsieew Coolant through spindle 70 bar (see note 4) CNC controlled clamping/rotating unit for 6th face machining (v. nota 5) Pressurised linear encoders Swarf conveyor Renishaw-ready Y.O.M. 2006 Weight 7500 kgs Turning package Max dia 65mm RPM: 15 / 4500 Max 42,5 KW / 90 Nm. Chedpfx Aogqg Sgebbjf Hydraulic clamping 800 Nm. Bar loader ILS-RBK- 10012 65 Diameters min/max 5/65 mm L= 600-1200 mm Highspeed (2) 60m/min. Spindle ...

Condition: used, Year of construction: 2017, x-travel 620 mm y-travel 520 mm z-travel 460 mm CNC-control iTNC 640 HEIDENHAIN Table dimensions Ø 650 mm max. table load 300 kg spindle taper SK 40 spindle turning speed range 12.000 U/min feed range 1 - 20.000 mm/min rapid traverse 36 m/min coolant IKZ 30 bar voltage 400 V total power requirement 25 kW weight of the machine ca. 9,2 t dimensions of the machine ca. 2,35 x 4,15 x 2,95 m chip conveyor 2,60 x 1,65 x 1,20 m Cedpfjp S Db Sox Abbjhf Oil cooler 0,50 x 0,70 x 1,45 m water cooling unit 0,70 x 0,70 x 0,80 m - Serial-No.: 6LUD00185 - Control ON: 10.918 h - Spindle ON: 2.725 h - Control: HEIDENHAIN iTNC 640 - 3-D touch probe HEIDENHAIN TS 740 - Travel distance B-Axis 50º/+110º,C-Axis 360º - Internal coolant supply through spindle 30 bar - Electr. handwheel - Laser tool measurement - chip conveyor - suction

Condition: used, Year of construction: 2018, x-travel 620 mm y-travel 520 mm z-travel 460 mm c-axis 360 ° b-axis -50 / +110 ° distance spindle nose and table 170 - 630 mm CNC-control iTNC 640 HEIDENHAIN Table dimensions Ø 650 mm max. table load 500 kg spindle turning speed range 12.000 U/min drive capacity - spindle motor 15,5 / 33,0 kW rapid traverse 48 m/min tool change unit 48 Pos. SK 40 coolant IKZ 30 bar voltage 400 V total power requirement 35 kW weight of the machine ca. 10,0 t dimensions of the machine ca. 4,00 x 2,46 x 2,85 m chip conveyor 2,90 x 0,50 x 1,30 m coolant tank 2,30 x 1,70 x 0,45 m coolant pump 0,60 x 0,50 x 0,90 m Oil cooler 0,55 x 0,60 x 1,10 m Chedpfx Aexap Eaobbof 5-axis simultaneous machining center - Serial-No.: 9496-117 - Control ON: 10,137 h - Spindle ON: 3,380 h - Control: HEIDENHAIN iTNC 640 - electr. handwheel - IKZ 30 bar - chip conveyor

Condition: excellent (used), CNC INFOTEC Machining center Model: 3121 Chsdpfxsun Rqys Abbef 3-axis Year of production: 2016 Machine working area dimensions for axes X and Y: X: 2200 mm Y: 3100 mm Head stroke in the Z axis: 250 mm Machine working speed X, Y, Z: X: 60m/min Y:60m/min Z:12m/min Vacuum table Price of a new machine: approx. 75.000 € Price: 27.900 €

Condition: ready for operation (used), Year of construction: 2011, Feeler QMP-23A 5 Axis Vertical Machining Centre Model: QMP-23A Fanuc Series Oi-MD Control Remote Electronic Handwheels 5 Axis Trunnion Table Travels: X: 580mm (48m/min) Y: 420mm (48m/min) Z: 510mm (48m/min) Spindle Nose to Table Surface: 80 – 590mm Spindle Centre to Column Surface: 510mm Table Surface to Floor 820mm Table Centre to Column Surface: 245 – 665mm GANRO TR-150S (TRS Range) Y Axis Tilting Rotary Table Codpfx Abjxxbzwjbohf 150mm Capacity YOM: 2015 *For sale with Jet Machinery Ltd* Stock No: 79001 Serial No: VKC064 Price: £24,950.00 + VAT Whilst every effort has been made to ensure that the above information is accurate it is not guaranteed. We advise prospective purchasers to check any vital details. Health and Safety At Work Act 1974: It is not reasonably practical for ourselves as suppliers to ensure that for your application the goods comply with requirements of the Act with respect to guarding etc. Prospective purchasers should ensure that a guarding specialist inspect the goods prior to use.

Condition: new, Year of construction: 2025, functionality: fully functional, CNC machining center NESTING with fully automatic loading and unloading Chodoxx Uc Ujpfx Abbof As with all Nesting machines: various sizes, line drilling, Becker vacuum pumps, CadCam Nesting software, CNC controller, remote control, servodrive, etc. The best machine is the one that fits your company. Specify which configuration you require. We guarantee reliability (see the photos) Prices starting from €85,000 – New machines You can call or WhatsApp us for more information and/or to make an appointment. WhatsApp: We handle transport, customs clearance, and delivery to your location. Machine instruction – extra warranty – 7/24 support

Condition: good (used), Mazak 4th axis Table 500 mm C axis In good condition. Chodpfx Asxwt Tvobbof

Condition: good (used), Year of construction: 2007, functionality: fully functional, 1 JOBS LINX DESIGN gantry milling machine from 2007 Csdpfxextp Hws Abbjhf CNC FIDIA C20 – Siemens linear motors – feed rate 50 m/min X 7200 Y 3200 Z 2000 TABLE 6000 X 2500 AUTOMATIC HEAD AXIS A-C A 200° (+- 100°) B 400° (+- 200°) SPINDLE SPEED 24,000 RPM HSK 63 – 27kW – cooling system ATC 20 tools WEIGHT 52T

Condition: new, Year of construction: 2025, functionality: fully functional, travel distance X-axis: 3,050 mm, travel distance Y-axis: 1,220 mm, travel distance Z-axis: 100 mm, rapid traverse X-axis: 60 m/min, rapid traverse Y-axis: 60 m/min, rapid traverse Z-axis: 25 m/min, number of spindles: 16, input voltage: 400 V, type of input current: three-phase, Equipment: chip conveyor, documentation/manual, rotational speed infinitely variable, Numerical Pegasus-Cad software Working area in X - 3050mm Working area in Y - 1220mm 2 working zones Lifting feed table, stackable Automatic loading system, Schmalz type Label printing system with automatic application on the loading table ATC 3-axis vertical electrospindle, 13.2 kW, with automatic tool changer, ISO 30 Automatic tool change system with 16 positions - positioned at the rear of the machine Automatic tool change system, carousel for fast changeovers Automatic unloading system with motorized conveyor belt Automatic worktable cleaning system Protection and safety system with light curtain and fencing Automatic lubrication system 250 m3/h - 5.5 kW vacuum pump Contact by phone: 0031634707163 Transport, installation, and user training negotiable Chsdpfxoxx T R Ds Abbof Danmar Machines BV Almelo

Condition: as good as new (ex-display), Year of construction: 2024, functionality: fully functional, Programmable drilling machine with easy-smart-touch software, 3 controlled axes. Panel handling with triple suction cup. Machine built according to CE regulations. Chedpfx Ajxwb Tdobbof STANDARD EQUIPMENT MAIN UNIT: Head with independent spindles No. 7 vertical lines No. 1 TH1 horizontal double spindle (X-axis) for front/rear drilling Manual panel alignment END PANEL READER for perfect matching Remote assistance software Suction flange Scratch-resistant BRUSH TOP to prevent dust and chip accumulation Working MODE selectable from the operator’s side or in continuous cycle HARDWARE & SOFTWARE 12" touchscreen with MAGGI patented NO TEXT system USB and Ethernet port for file import, online support, and software updates Linux-kernel-based system Fobmsu U Hgiegku S Hepp CNC memory for up to 1,000 programs to buy call: 0031634707163 Almelo