Used Weco Lathes for sale (5,543)

Condition: like new (used), CNC Swiss-type lathe Weco S 206 E II Machine Bar feeder Nsdpoy A Sghsfx Akcela Tools The machine has 7,000 operating hours

Year of construction: 2024, condition: ready for operation (used), -NEW - 8-AXIS SLIDING HEADSTOCK LATHE WITH BAR FEEDER MAX TURNING LENGTH: 210 mm MAX TURNING DIAMETER: 20 mm BAR CAPACITY: 22 mm SPINDLE: 50-12000 rpm; 2,2-3,7 kW COUNTER SPINDLE: 50-12000 rpm; 1,5 - 2,2 kW Nlsdpfxsx U E Sus Akcsa DRIVEN TURRET HEAD: 7 POS TURRET HEAD: 4+4 TURNING TOOLS: n.8 DRILLING TOOLS: n.6 BAR LENGTH: 3200 mm CONTROL UNIT: FANUC 0i-Plus BAR FEEDER: LNS mod. ALPHA 320S3 BAR DIAMETER: 3-23 mm WEIGHT: 3700 Kg OVERALL DIMENSIONS: 2300 x 1400 x 2000 mm ACCESSORIES: PIECE CONVEYOR ; ETHERNET PORT ; RS 232 SERIAL PORT ; USB PORT

Condition: good (used), Year of construction: 2007, cool machine GWK Weco 48 AZX 48 KW, Cooling capacity pump and tank, year: 2007, price: 8.500 €, contact: Mr. Rainer Eckerle Nodpfx Aksd H Rd Iscsla

Condition: good (used), Colchester / Harrison / 600 Lathes TORNADO 300 CNC lathe TECHNICAL DATA Spindle power: 18 / 22 kW Spindle connection: A2-8 Spindle bore: 90.5 mm Chuck sizes (A type): 265 mm Drawtube diameter: 82 mm Front bearing (inner diameter): 130 mm Max. Spindle speed: 4000 rpm X-axis: 240 mm Travel over center of rotation: 213 mm Under turning center: 27 mm Working stroke Z-axis: 500 mm Feed speeds: Rapid traverse X-axis: 10 m/min Rapid traverse Z-axis: 20 m/min Min. feed step: 0.001 mm Tool carrier: Turret, number of tools: 12 Tool holder mounting: VDI 3425 / 40 Turning chisel, shank size: 25 x 25 mm Max. Drill rod diameter: 40 mm Tailstock quill diameter: 95 mm Quill inner cone: No. 5 MK Quill stroke: 125 mm Tailstock travel: 485 mm Max. Tailstock quill axial force: 7860 N Swing diameter: 530 mm Turning diameter over cross slide: 330 mm Max. Machining diameter: 300 mm Max. Turning length: 500 mm Height of turning center above floor: 913 mm Nledpfx Aornkhyjkcja Bed width Z-direction: 750 mm Bed width X-direction: 393 mm Bed width tailstock guide: 255 mm Cross slide width: 256 mm Bed slide inclination: 600 mm Installation area: 3.26 m2 Weight: 3300 kg We assume no liability for the accuracy, completeness and up-to-dateness of the information provided

Condition: good (used), Year of construction: 2008, Colchester Harrison Alpha 1400U CNC lathe Footprint: 1.7 x 3.1 m Height: Approx. 1500 mm Weight: 3200 kg Equipment: Electrically interlocked chuck guard, full safety guard, coolant tank and pump 100 l, fully extendable chip tray, machine lighting Machining length: 1250 mm Turning diameter: 400 mm Center distance: 1250 mm Spindle bore: 54 mm Nljdpfx Ajrnkdyekcoa Turret, number of tools: 8 Tool size: Standard: 20 x 20 mm Boring bar: 32 mm No responsibility is taken for the correctness, completeness and up-to-dateness of the information.

Condition: excellent (used), Welding Machine WECO Pioneer MIG 321MKS Water-Cooled The WECO Pioneer 321MKS is a compact, three-phase MIG/MAG inverter welding machine designed for workshop and on-site assembly use. It offers synergic programs, Hybrid Arc Control (HAC) for a stable arc, and supports various welding modes (manual, synergic, pulse, double pulse). Ideal for welding steel, stainless steel, and aluminium. Technical data: Nlodpfx Asw N Rlbekcja • Power supply: 3 × 400 V AC, 50/60 Hz • Welding current: 20–320 A • Power: approx. 11 kVA / 10.9 kW • Protection class: IP23-S, air-cooled • Dimensions (H × W × D): approx. 1110 × 550 × 805 mm • Weight: approx. 61 kg

Condition: ready for operation (used), Year of construction: 2022, operating hours: 2,200 h, functionality: fully functional, turning length: 640 mm, turning diameter: 460 mm, travel distance X-axis: 305 mm, travel distance Y-axis: 120 mm, travel distance Z-axis: 640 mm, controller model: Fanuc 32iPlus, TECHNICAL DETAILS Turning length: 640 mm Turning diameter: 460 mm Travel X-axis: 305 mm Travel Y-axis: 120 mm Travel Z-axis: 640 mm Spindle bore: 82 mm Max. spindle speed: 3,500 rpm Spindle motor power: 25 kW Chuck size: A2-8 C-axis: 0.001° Sub-spindle Spindle motor power: 14/8 kW Spindle speed: 4,500 rpm C-axis: 0.001° Turret Number of tools: 12 Driven tool stations: 12 Milling motor power: 12 kW Spindle speed: 4,000 rpm MACHINE DETAILS Control: Fanuc 32iPlus Dimensions & Weight Dimensions (L x W x H): 2,803 x 2,020 x 2,236 mm Weight: 7,800 kg Spindle hours: 2,200 h Nsdpfx Asyx U R Uokcsla EQUIPMENT Sub-spindle 12-station driven turret Tool length measurement Chip conveyor High-pressure pump 6 bar Parts catcher Set of driven and static tool holders

Condition: ready for operation (used), Year of construction: 2004, functionality: fully functional, spindle speed (max.): 8,000 rpm, bar passage: 32 mm, controller model: Traub TX8i-S, number of slots in tool magazine: 12, Equipment: chip conveyor, TECHNICAL DETAILS Bar capacity: 26 / 32 mm Max. main spindle speed: 8,000 rpm Axes: X1 / Y1 / Z1, C-axis integrated in the main spindle Turret: 1 Tool stations: 12 Nsdeyzxp Tspfx Akcola Drive power: 6.7 kW (100% duty cycle) / 10.7 kW (40% duty cycle) Torque: 21 Nm (100% duty cycle) / 32 Nm (40% duty cycle) MACHINE DETAILS Power-on time: 116,721 h Operating hours: approx. 48,000 h Control: Traub TX8i-S DIMENSIONS & WEIGHT Dimensions (L × W × H): approx. 4.4 × 1.4 × 1.7 m Machine weight: approx. 4,000 – 4,200 kg EQUIPMENT Chip conveyor: hinged belt, discharge height approx. 950 mm

Condition: ready for operation (used), Year of construction: 2011, functionality: fully functional, machine/vehicle number: 110532, turning length: 1,980 mm, spindle bore: 105 mm, spindle speed (max.): 2,500 rpm, turning diameter over bed slide: 600 mm, controller model: Siemens 840DSL mit ShopTurn, TECHNICAL DETAILS Swing diameter over bed: 600 mm Distance between centers: 2,000 mm Turning length: 1,980 mm Spindle bore: 105 mm Speed: 2,500 rpm Power: 18.5 kW MACHINE DETAILS Control: Siemens 840DSL with ShopTurn Nlsdpfey Ex Hmjx Akcja Number of gear stages: 2

Condition: ready for operation (used), Year of construction: 2018, functionality: fully functional, machine/vehicle number: 7001203, turning diameter over cross slide: 438 mm, spindle bore: 152 mm, turning diameter over bed slide: 860 mm, center width: 2,300 mm, spindle speed (max.): 680 rpm, bed width: 510 mm, TECHNICAL DETAILS Centre distance: 2,300 mm Swing diameter over bed: 860 mm Swing diameter over cross slide: 438 mm Bed width: 510 mm Spindle mounting: A2-11 Spindle bore: 152 mm Spindle speed range: 8 - 680 rpm Number of speeds: 12 Tailstock quill diameter: 120 mm Tailstock quill travel: 165 mm Quill taper: MT6 Nodpfx Aey Edw Rjkcela MACHINE DETAILS Motor power: 22 kW

Condition: ready for operation (used), Year of construction: 2004, functionality: fully functional, machine/vehicle number: X3936002, turning length: 1,500 mm, turning diameter: 600 mm, TECHNICAL DETAILS Turning length: 1,500 mm Turning diameter: 600 mm Nsdpfx Aey Dgnpskcela

Condition: good (used), Year of construction: 2007, operating hours: 27,896 h, functionality: fully functional, machine/vehicle number: 2101-0171, turning diameter: 20 mm, rotational speed (max.): 10,000 rpm, torque: 14 Nm, Equipment: bar feeder, chip conveyor, TECHNICAL DATA Max. turning diameter: 20 mm Tool body diameter: 20 mm Spindle positioning resolution: 0.1° Main spindle Rated power: 3.7 kW Maximum power: 5.5 kW Torque: 14 Nm Rated torque: 9.4 Nm Speed: 10,000 rpm Axis data Linear axis Z1 / X1 / Z1 – Stroke: 80 / 35 / 240 mm Linear axis Z1 / X1 / Z1 – Rapid traverse (max.): 40 m/min Linear axis Z1 / X1 / Z1 – Acceleration (max.): 10 m/s² Linear axis Z1 / X1 / Z1 – Nominal force: 1,250 N Linear axis Z2 / X2 – Stroke: 180 / 230 mm Linear axis Z2 / X2 – Rapid traverse (max.): 40 m/min Nlodpfxsy Dr S Hs Akcsa Linear axis Z2 / X2 – Acceleration (max.): 10 m/s² Linear axis Z2 / X2 – Nominal force: 1,250 N Tool holder Number of fixed tools (internal): 6 Diameter: 20 mm Number of fixed tools (external): 4 Tool shank size: 12 × 12 mm Number of driven tools: 4 Collet type: ESX 16 MACHINE DETAILS Control: Fanuc 16iT Machine dimensions (L × W × H): 2,275 × 1,300 × 1,760 mm Weight: 2,600 kg Connected load: 21 kVA Power-on hours: 85,620 h Operating hours: 27,896 h EQUIPMENT - Bar feeder FMB Turbo 3-36 / 4200 / A, year of manufacture 2007 - Coolant tank with chip conveyor - Central lubrication - Hand-held control unit - Documentation available

Condition: good (used), Year of construction: 2007, Traub TNX 65/42 Milling and Turning Center Mfd. 2007 Serial #7060107 Njdpfeq Npqmsx Akcola Commissioned in 2010 TX 8i-S control (Mitsubishi/Traub based control with Mitsubishi drives and motors) 15 CNC axis’s (4) X-Y-Z turrets with 10 positions each. Up to 20 tools per turret 65 mm thru hole main and sub spindle (sub spindle has coolant flush) Foot pedal control for clamp/unclamp of spindle chucks Servo driven gantry receiver Hydraulic swivel w/ pneumatic finished part and bar remnant gripper Finished part conveyor belt RESY paper band coolant filter Knoll Coolant tank with BKW refrigerated coolant temperature control 20 Bar High pressure and 8 Bar Low pressure coolant pumps Knoll chip conveyor FMB Turbo 5-55 magazine bar feeder (new in 2010) 2) Single stick turning tool holders 2) Double stick turning tool holders 1) Cut-off tool holder 1) Overdriven double radial live ER Collet tool holder 1) Overdriven radial live ER Collet tool holder 4) Radial live ER Collet tool holders 1) Radial live End Mill tool holder 1) Angle adjustable live ER Collet tool holder 2) Radial live Shell Mill tool holders 2) Axial live End Mill tool holders 6) Axial live ER Collet tool holders 43) Additional tool holders on separate list (see supplemental attachment) Hainbuch main spindle collet chuck Rohm sub spindle 2 jaw chuck 2 Spare sets of spare Z-axis ball screws and bearing packs.

Condition: used, Year of construction: 2007, Citizen M32-V Mfd. 2007 Hours: 99,608 High Pressure Mist Collector Chip Conveyor Long work piece attachment No tooling 338 Edge Patriot Loader (Accepts 8ft Bars) Machine came out of an Aerospace Company in Michigan. Nledoyzkb Uspfx Akcsa

Condition: good (used), Year of construction: 2004, Mfd. 2004 Gildemeister Twin 65 CNC Lathe Nedpfjyq S Ugjx Akcela Specifications Chuck Size: 8" Bar Capacity: 2" Turning Diameter: 8" Spindle Speed: 5,000 RPM Control: Siemens CNC Control Distance Between Centers: 20" Turret: 12 Station Sub-Spindle: Yes Chip Removal: Chip Conveyor Features Barfeed Included

Condition: excellent (used), Year of construction: 2019, operating hours: 13,000 h, functionality: fully functional, bar diameter (max.): 22 mm, INDEX MS22-8 Mfd. 2019 2 NCU 2 Syncrons 2 Y-Axis Control: Siemens Solution Line Knoll System Bar Feed: IEMCA SIR rack loader (12-ft) 22,000 on-hours Nledpfxox H H Nrs Akcja 10,000-15,000 Hours

Condition: excellent (used), Year of construction: 2019, machine/vehicle number: 14974, Tornos MultiSwiss 6x16  CNC Multi-Spindle Screw Machine Mfd. 2019 6 Motorspindles  5,5 kW max. speed 8’000 RPM Spindle capacity 16 mm, Z 50mm stroke (max. parts 40mm). 6 slides X 40mm stroke 1 counter-operation slide, 75mm stroke. Counter spindle with integrated motor 6 kW Max. speed 8’000 RPM, 150mm stroke. Numeric control Fanuc 30i Integrated PC with screen 17” Njdjv S H Uyopfx Akcsla Programming system TB DECO (DCS version) (requires 3003) contact us for more details

Condition: excellent (used), Year of construction: 2004, operating hours: 1,000 h, functionality: fully functional, turning diameter over cross slide: 380 mm, turning length: 350 mm, turning diameter: 200 mm, travel distance X-axis: 240 mm, rapid traverse X-axis: 12 m/min, Hembrug Mill-Turn Machine Model: Slantbed Mikroturn 100 CNC Siemens 840D Control Approximate Actual Run Time Hours: 1,000 Hydeostatic Spindle Hydrostatic Ways Scale Feedback Suspended Granite Bed Garnite Spindle Housing Coolant Pump Coolant Circulation Pump Pneumatic Bearing Purge Hydraulic Temperature Control Coolant Temperature Control Return Oil Pump and Reservoir for Remote Location of Hydraulic / Cooling Unit. Options & Additional Purchased Features: Tailstock Vacuum Pump for Vacuum Chucking Programable Controlled Spray Mist C-Axis Milling / Drilling Renishaw Tool Touch Probe Non-Contact Tool Incoming Air Dryer / Filter Thousands of Dollars of Brand New Tooling: Live Center Tailstock Taper Adapter 8” Micro-Centric Pneumatic Chuck 3 Sauter Straight Live tooling heads 2 Sauter 90 degree Live tooling heads 1 Special VDI offset Tooling holder 16 VDI Tool Holders for Turning, boring, and on center drilling. Tool Pick-up Video System Additional Backup Hard Drive with Software Fully Loaded and Tested. Extra Siemens Control Pannel Complete Set of Manuals Machine Upgrades I added at additional cost. New Digital Hard Drive New Backup Hard Drive with software already loaded, plug and play ready, no downtime. New Z-Axis Heidenhain Scale Rewound Hydraulic Pump Motor, factory motor was running too hot for my liking. Replaced Operator Panel, back light on monitor went out, have the original, back light needs replacing. Nodpfx Akjwcfgbjcsla 50 Foot Extended Wiring Harness For Remote Location of Hydraulic / Cooling Unit.

Condition: good (used), Year of construction: 2013, control Siemens 840D sl turning length 2000 mm turning speeds max. 3100 1/min Torque 1200 Nm diameter of quill 140 mm quill power 5-30 kN total power requirement 125 kW weight of the machine ca. 20 t The machine can still be inspected under power at the seller's factory. It is in good condition, the precision of the turning operation is very good. The milling drive is not functional. An offer from Niles for the repair of the milling drive is available on request. Hydraulic steady rest included. Technical details: Turning length 2000 mm Control Siemens 840 D sl Main spindle: Speed max.3800 1/min Main spindle: Torque max. 1200 Nm Pinole diameter 140 mm Center point MK6 Quill force 5 - 30 kN Feed speed Z-axis mm/min Rapid traverse Z-axis 40 m/min Feed rate X-axis - mm/min Rapid traverse X-axis 25 m/min Njdjv Nw Npopfx Akcola Total power requirement 125 kW Machine weight approx. 20 tons

Condition: used, Year of construction: 2007, turning length 2500 mm control Sinumerik 840 D spindle head A 11 tool numbers 48 swing diameter over bed slide 750 mm swing over bed 780 mm c-axis 0,1-30 1/min Nedpewwaruofx Akcola diameter of quill 160 mm taper bore MK 5 tool length - max. 500 mm weight of tools max. 15 kg weight of the machine ca. 27 t dimensions of the machine ca. 8,4 x 4,0 x 2,5 m Technical details: Nominal turning length: 2,500 mm Swing diameter over bed slide: 750 mm Swing diameter over bed: 780 mm Working height: 1,300 mm Spindle head to DIN 55026: A 11 Bore through: 123 mm Diameter in front bearing: 200 mm Oriented spindle stop: 0-359 degrees Drive power at 100/60 % duty cycle: 37/45 kW Total speed range: 10-2,500 1/min Number of speed ranges: 2 Speed range I: 10-775 1/min Speed range II: 20-2,500 1/min Max. torque at 60 % duty cycle: 2,500 rpm. Torque at 60 % ED: 2,083 Nm (up to 186 rpm)

Condition: good (used), Year of construction: 2006, control FANUC 21i-TB Control x-axis 390 mm z-axis 780 mm spindle taper A2-11 number of spindle speeds 2000rpm engine output 37 kW Nedsvzln Rjpfx Akcjla weight of the machine ca. 9000 kg dimensions of the machine ca. 1905,0 × 2720,0 × 3260,0 m The machine has chucks that can produce gears from 100 to 500 mm. Special chuck is available

Condition: used, Year of construction: 2008, control 840 D Sinumerik weight of the machine ca. 25 t dimensions of the machine ca. 5100 x 3034 x 4500 mm Technical Details: Largest workpiece diameter Ø 1000 mm Internal workpiece diameter Ø 100-500 mm Largest workpiece length 500 mm Largest oscillation diameter 1250 mm Workpiece spindle flange diameter 520 mm Through-hole of the workpiece spindle Ø 45 mm Workpiece spindle speeds NC - programmable 0-440 rpm Table strokes: Z1/Z2 axis 1000 mm, X1/X2 axis approx. 1300 mm Table speed infinitely variable: Z axis 0-30 m/min, X axis 0-50 m/min Infeed speed infinitely variable 0.01-15 mm/min Infeed stroke-dependent 0.0005-0.1 mm Workpiece spindle positioning C-axis Operating voltage 3~400 VAC/50 Hz Nljdpfx Aewwar Iskcea SINUMERIK 840 D control Machine connected load approx. 75 kW

Condition: good (used), Year of construction: 2019, machine/vehicle number: 25728, Equipped with: Hydraulic Unit Sinumerik 840D sl CNC Control Slim Line Operator Panel OP012 W/12 TFT-Color Display 19" Machine Control Panel 20 Tool ATC CAPTO C6 Multifunctional Tool Carrier For Turning and Driven Tools One Fixed Tool Unit Assembled To The Compound Slide W/Coolant Thru The Turning And Drilling Tools, Coolant For The Driven Spindle From The Outside Drilling Spindle Additional Drill Spindle For Orientation Chip Conveyor Coolant Equipment -Including piping and shut-off valve and flow control switch -To supply coolant to tools for coolant and flushing through the cutting tools -To supply coolant for flushing the work piece and chuck -To supply coolant for flushing the working area Paper Band Filter Immersion Cooler High Pressure Coolant Pump, 40 Bar Through Tools Flushing Pistol, Hand Held Air Cleaner - Mechanical Separation "Mist Collector" Tool Life Display Remote Diagnostics Signal Lamp Automatic Door For Loading W/Shuttle Load and Unload Shuttle Swivel Loader Automation Cell Tuned for Part Pallet Conveyor For 20 Raw And Finished Parts Pallets Pallets Designed for Part 596500 Handling System SPC Station (Maximum O 270 mm, Maximum H 150 mm, Maximum Wt. 12 kg) NIO Station (Closing forward leading gravity) Skiving Software (Hardware: Software and user surfaces for skiving technology) Measuring Probe (For measuring diameters and length of the workpiece in the machine) Measuring Software for Teeth Measuring (MDK and Flank Line, Software and User) Measuring Program (Automatically measuring program for measure the position of the two gears to each other, after using sister tools) Nlsdpsw Iqumefx Akcoa SPC (Every X workpieces the MDK needs to be measured) Tool Changer (Precut, measurer and final cut) Skiving Tool Identification (Hardware, software for the identification of the skiving tool after tool change) Hydraulic Diagrams Coolant Diagrams Lubrication Diagrams Electrical Wiring Diagrams Hardcopy of Diagrams CF Certificates Specifications: Workpiece Spindle: -Speed: 0-7000 l/min -Power: 55,2 - 59,7 kW Tool: Capco C6 Tool Spindle: -Speed: 0-6000 l/min -Power: 29 - 41 kW Machine Weight, Floor Space and Voltage Supply: -Operating Voltage: 400V, 3 Phases, 50 Hz -Control Voltage: 24 V -Lighting Voltage: 240 V, 50 Hz -Floor Space: 2,700 x 2,600 mm -Height: 4,000 mm -Total Weight, Approximate: 16,000 kg Longitudinal, Z-Axis: -Stroke: 800 mm -Rapid Rate: 24 m/min -Feed Force: 12 kN Transverse, X-Axis: -Stroke: 900 mm -Rapid Rate: 24 m/min -Feed Force: 12 kN Tool Spindle, B-Axis: -Range: -20 / +90 Degree Y-Axis for Spindle Unit: -Stroke: 200 mm -Rapid Rate: 12 m/min -Feed Force: 6 kN C-Axis Main Spindle: -Positioning Accurace: 9" Multifunctional Tool Carrier: -Power: 29 kW at 100% ED -Power: 41 kW at 44% ED -Torque: 141 Nm at 100% ED -Torque: 212 Nm at 44% ED -Spindle Speed: 0-6000 min-1 -B-Axis for Stepless Motion in a Range Of: -20/+90 Degree Tool Magazine: -Maximum Tool Diameter: 100 mm -Approximate Tool Length: 300 mm -Approximate Tool Weight: 12 kg Swivel Loader: -Maximum Workpiece Diameter: 270 mm -Height: 150 mm -Weight: 16 kg

Condition: good (used), Year of construction: 2015, machine/vehicle number: 190630, turning length: 150 mm, turning diameter: 200 mm, spindle bore: 42 mm, spindle speed (max.): 4,500 rpm, spindle speed (min.): 50 rpm, travel distance X-axis: 150 mm, travel distance Z-axis: 155 mm, rapid traverse X-axis: 24 m/min, rapid traverse Z-axis: 24 m/min, turning diameter over bed slide: 220 mm, overall weight: 5,000 kg, spindle nose: 140 Flat, bar diameter (max.): 51 mm, power: 0.015 kW (0.02 HP), The innovative front-facing spindle of the 2SP-150H helps create an automation-friendly lathe for small parts production. By moving the spindle off the side and incorporating the Okuma Gantry Loader (OGL) into the production line, parts can be loaded and unloaded automatically. An extremely compact footprint improves floor space utilization, while the popular dual spindle option significantly reduces cycle time. Equipped with: Nlsdpfx Akortrlzocea Okuma OSP-P300L CNC Control 8" 3-Jaw Chuck Expanding Mandrel Turret Tooling Gantry Loader Pendant Controller Chip Auger Stack Light

Condition: used, Year of construction: 2005, TAKISAWA TC 350M CNC TURNING CENTRE MAKE TAKISAWA, MADE IN JAPAN MODEL TC – 350M L5 CONTROL FANUC 21-iTB YEAR 2005 TURRET 12 STATION MAXIMUM SWING 700.0 mm MAX TURNING DIAMETER 460.0 mm MAX TURNING LENGTH 510.0 mm TRAVEL X-AXIS 440.0 mm Z-AXIS 550.0 mm SPINDLE SPEED RANGE 2,500 RPM BAR CAPACITY 80.0 mm TBC PLUS C – AXIS MILLING TAILSTOCK TOOL SETTING PROBE SWARF CONVEYOR Nedpfx Asy Eyb Eskcsla 10” 3 JAW CHUCK TURRET TOOLING