Used Gildemeister Ctx for sale (243)

Year of construction: 2007, condition: ready for operation (used), General Data Measurements width 1750 mm Measurements depth 2100 mm Measurements height 1710 mm Machine weight 2800 kg Hjdpfx Ajxv E Atogponw Control Unit Brand SIEMENS Model Sinumerik 840D Main Drive Spindle speed range 4000 Number of axis 2 Movement X-Axis Movement 220 mm Z-Axis Movement 700 mm This Gildemeister NEF 400 was manufactured in 2007. A robust horizontal turning machine featuring a SIEMENS SINUMERIK 840D control, it offers a spindle speed of up to 4000 rpm. Dimensions are 2100x1750x1710 mm, and it weighs 2800 kg. If you are looking to get high quality turning capabilities consider the Gildemeister NEF 400 machine we have for sale. Contact us for more information. Application Types Turning

Condition: good (used), Year of construction: 2001, operating hours: 30,631 h, functionality: fully functional, machine/vehicle number: 01610000211, turning diameter over cross slide: 410 mm, spindle bore: 92 mm, turning length: 2,000 mm, turning diameter: 710 mm, center height: 350 mm, type of input current: three-phase, overall weight: 5,600 kg, rotational speed (max.): 2,000 rpm, Swing diameter over bed/cross slide: 710mm/410mm, turning length: 2000mm, center height: 350mm, spindle bore: 92mm, spindle speed: 1800 rpm, tailstock quill diameter: 210mm, rapid traverse X/Z: 8 m/min/10 m/min, feed rate: 5 m/min, feed force: 2000 daN. Machine dimensions X/Y/Z: approx. 5000mm/2000mm/2200mm, weight: approx. 5600kg. Documentation available. Includes chuck and spare jaws. On-site inspection possible. Machine is sold without warranty. Hnodexrncnopfx Agpew

Condition: good (used), Year of construction: 2008, feed length X-axis: 575 mm, feed length Y-axis: 90 mm, feed length Z-axis: 300 mm, Order No. 3.2-115 1 used CNC Lathe GILDEMEISTER type CTV 160, built 2008 1 used CNC Lathe GILDEMEISTER type CTV 160, built 2008 Siemens 840D control 3-jaw chuck Chip conveyor Coolant device Siemens 840D control 3-jaw chuck Coolant device Chip conveyor Hodpfx Ageubvv Teponw Technische Daten / technical details: Drehdurchmesser / turning diameter 160 mm X / x 575 mm Z / z Y/y 300 +-90 mm mm Drehzahlbereich / spindle speed range 6000 UpM / rpm Weight of the machine ca. / weight ca. 6000 kg Technical data, accessories and description of the machine are not binding. Technical data, accessories and description of the machine are not binding.

Condition: used, Year of construction: 1988, tail stock ja ja condition nicht geprüft Hedpfx Agju Su I Ejpjnw weight of the machine ca. 3,8 t

Condition: used, Year of construction: 2001, turning diameter max. 320 mm turning length max. 740 mm control Manual Plus 3110 Heidenhain greates pass round over bed 320 mm Swing dia. over traverse guideway 150 mm turning length 740 mm cross movement 185 mm centre distance 750 mm turning speed range - main spindle 10 - 4.000 min/-1 power capacity - main spindel 11 kW max. Torque 410 Nm spindle head No. 6 DIN 55027 spindle diameter in front bearing 85 mm spindle bore 50,8 mm max. chucking diameter 200 mm chucking diameter 200 mm type MultiFix - B dia. of quill 70 mm capture MK 5 quill stroke 120 mm Hnjdpfx Aoxmaghjgpsw rapid traverse x/z: 8 / 10 m/min Feed force ( X / Z ) x/z: 3 / 6 kN total power requirement 14 kVA weight of the machine ca. 2,0 t dimensions of the machine ca. 3,5 x 2,5 x 2,0 m Cycle controled Lathe GILDEMEISTER - NEF 320 - Operating-Hours (Power-On) : 21.529h

Condition: used, Year of construction: 2007, controller manufacturer: Siemens, controller model: 840 D, _____ Description: Year of manuf. : 2007 Control : Siemens 840 D Turning diam. : 250 mm Turning length : 650 mm In General: Year of construction:2007 Control:Siemens 840 D Bar capacity:65 mm Turning diameter:350 mm Turning length:650 mm Main spindle: Technology:Motor spindle Speed:5,000 rpm Power max.:35 kW Torque max.:370 Nm C-axis:0.001 Bar capacity:65 mm Chuck:Hainbuch Spanntop size 65 Clamping cylinder:Hollow clamping cylinder Sub spindle: Technology:Motor spindle Speed:5,000 rpm Power:26 kW Torque:290 Nm C-axis:0.001 Chuck:Hainbuch Spanntop size 65 Clamping cylinder:Partial hollow clamping cylinder Z-axis:670 mm X-axis:175 mm Tool carrier i (X/Y/Z): Technology:Tool turret, 12 stations Tool holder:VDI 30 Tool drive:4,000 rpm, 11 kW, 28 Nm X-axis:300 Y-axis:80 mm ( +/- 40 mm) Z-axis:650 mm Tool carrier II (X/Z): Technology:Tool turret, 12 stations Tool holder:VDI 30 Tool drive:4,000 rpm, 11 kW, 28 Nm X-axis:180 Z-axis:650 mm Hnsdpfxextr Iws Agpjw Equipment: Chip disposal:Chip conveyor Coolant supply:IKZ system Measuring systems:Direct in all X-axes (glass scales) Bar loader:IRCO Breuning Part removal:Finished part gripper + indexing belt Emulsion mist separator:Mechanical Set-up mode:Electronic handwheel

Condition: ready for operation (used), Year of construction: 2010, operating hours: 29,200 h, Additional Equipment Mechanical and electrical preparation for fire extinguishing system Cooling system with 600l capacity and 50µm filter Pump with options of 8 or 20 bar IEMCA Boss 332E bar loader for bar length up to 3m Bristol B270/E oil mist separator Hodpfx Aoxwfmuegpenw Moving headstock (80mm) with tools on slides plus tool breakage detection This Gildemeister Sprint 20-8 was manufactured in 2010. It features a cooling system with a 600l capacity and 50µm filter, alongside a high-pressure pump option of 8 or 20 bar. The machine includes a Bristol B270/E oil mist separator and an IEMCA Boss 332E bar loader for 3m bars. With a chip discharge height of 1,250mm, it's designed for efficient operation. Contact us for more information about this machine. Application Types Turning

Condition: good (used), Year of construction: 2002, Gildemeister NEF 520 K Gildemeister NEF 520 K Cycle-Controlled Lathe with Siemens Sinumerik 810 DL Control, year of manufacture 2012, in excellent original condition. The machine comes from the training workshop of a renowned German mechanical engineering company. Technical Details Swing diameter over bed: 500 mm Swing diameter over cross slide: 290 mm Turning length: 1,250 mm Control: Siemens Simatic Cross slide travel: 260 mm Distance between centers: 1,500 mm Main Spindle: Speed range – main spindle: 8 - 3,000 rpm Drive power – main spindle: 12 kW Max. torque: 920 Nm Gear stages: 2 Spindle nose: No. 8 DIN55027 Spindle diameter in front bearing: 120 mm Max. bar capacity: 62 mm Spindle mount: ME80 Chuck diameter: 250 mm Tool Turret: Tool system: MultiFIX - C Tailstock: Quill diameter: 80 mm Quill taper: MT 5 Quill stroke: 180 mm Feed Rates: Hnsdpfx Asw Iqd Iogpjw Rapid traverse x/z: 4 / 6 m/min Feed force x/z: 5 / 10 kN Total power requirement: 28 kVA Machine weight approx.: 3.0 t Space requirements approx.: 3.5 x 2.5 x 2.0 m Accessories and Equipment: 1 coolant system About the machine: We are offering a Gildemeister NEF 520 K cycle-controlled lathe, year of manufacture 2012, in very good condition. The machine is, of course, fully functional. All slides run very smoothly and evenly. Even at high speeds, the Gildemeister operates very quietly. This latest generation of lathes is extremely user-friendly and can produce surface finishes comparable to grinding. Take the opportunity to inspect the machine under power at our premises and see its condition for yourself.

Condition: used, TECHNICAL DETAILS - Number of spindles : 2 - Number of axes : 2 MAIN SPINDLE - Spindle speeds : 6500 [rpm] - Max. bar diameter : 42 [mm] - Max. turning diameter : 120 [mm] - C axis indexing precision : 0.1 [°] COUNTER-SPINDLE - Spindle speeds : 6500 [rpm] - Max. bar diameter : 42 [mm] - C axis indexing precision : 0.1 [°] POWER SUPPLY - Supply voltage : 230 [V] - Total installed power : 7.5 [kW] WEIGHT & DIMENSIONS - Machine floor space : 5.400 x 1.900 [mm] - Machine height : 2.000 [mm] Hodpfxou E U Ufj Agpjnw - Machine weight : 5.000 [kg] MACHINE HOURS - Number of hours under power : 33912 [h] - Number of working hours : 21069 [h] EQUIPMENT - CNC : FANUC 160i - Coolant tank - Chips conveyor - Parts catcher - Parts conveying strip

Condition: used, Year of construction: 2001, chucking diameter 250 mm greates pass round over bed 500 mm swing diameter over slide rest 290 mm centre distance 850 / 1350 mm control Heidenhain Hedpfx Aew Syc Iogpenw weight of the machine ca. 2700 t dimensions of the machine ca. 2900 x 1953 x 1825 m

Condition: good (used), Year of construction: 1984, Ref. -No.: 10594 Manufacturer: DECKEL GILDEMEISTER Type: MD 3S Hjdpfxexmfame Agpenw Year of construction: 1984 Type of control: CNC Control: ELTRO MPULS Storage location: Halberstadt Country of origin: Germany Turning Diameter: 400 mm Turning Length: 600 mm Swing Diameter: 600 mm Spindle Bore: 73 mm

Condition: used, Year of construction: 2007, controller manufacturer: Siemens, controller model: 840D - Powerline, _____ Description: Year of manuf. : 2007 Control : Siemens 840D - Powerline Turning diam. : 640 mm Turning length : 1185 mm Mainspindle: Technology:Motorspindle Speed:5.000 rpm Power (max.):28 kW Torque (max.):320 Nm C-Axis:0,001° Barcapacity:65 m Workpiececlamping:3-Jaw chuck, Hainbuch B-TOP 3 ø215 mm Subspindle: Technology:Motorspindle Speed:5.000 rpm Power (max.):28 kW Torque (max.):320 Nm C-Axis:0,001° Workpiececlamping:3-Jaw chuck, Hainbuch B-TOP 3 ø215 mm Movement in Z:1.150 mm Rapid travers in Z:40 m/min Toolcarrier I (X/Y/Z/B): Technology:Millingspindle Speed:12.000 rpm Power (max.):22 kW Torque (max.):100 Nm Taper:HSK-A63 Movement in X/Y/Z:550/180/1.185 mm Rapid traverse in X/Y/Z:40/24/70 m/min B-Axis:240° Toolcarrier II (X/Z): Technology:Turret with 12 stations Taper:VD40 Tooldrive:4.000 rpm, 11,7 kW, 28 Nm Movement in X/Z:180/1.050 mm Rapid traverse in X/Z:24/40 m/min In general: Technology:Shelfmagazin with Double-gripper Toolstations:80 Toollength (max.):200 mm Tool-ø (max.):80 mm Equipment/Accessory: Positionsensor:Direct Scales in all Axes Chipmanagement:Chip conveyor Coolingmanagement:Internal cooling unit with Paperbeltfilter, Temperature control and high-pressure, 80 bar Workpiecemeasurement:Touchprobe, Marposs WRP 45 Toolbreakagecontrol:Mechanical Hedpfxsxrw Uye Agpenw Rawmaterial feed:Barloader, Breuning-Irtco ILS-RBK 10016 Finishedpart removal:Pick-up device at Turret andParts conveyor belt Oilmistseperator:Electrostatic Extraction, LTA AC 3001 Toolholder:Misc. used static and driven toolholder Further Accessory:Chiller, Rinsing pistol

Condition: like new (used), Year of construction: 2009, operating hours: 26,000 h, travel distance X-axis: 725 mm, travel distance Y-axis: 50 mm, travel distance Z-axis: 300 mm, spindle motor power: 11 W, spindle speed (min.): 5,000 rpm, total length: 3,171 mm, total height: 2,648 mm, total width: 4,254 mm, overall weight: 6,000 kg, CNC controller: SIEMENS SINUMERIK 840D-ERGOLINE Capacity X-axis travel mm: 725 Y-axis travel mm: ± 50 Z-axis travel mm: 300 Turning length mm: 160 Max. turning diameter mm: ø: 250 Swing over bed mm: ø: 320 Tool magazine Magazine places: 16 Tool holder: VDI-30 Tool length max. mm: 390 Tool diameter max. mm: 140 Lower turret Number of tool slots St .: 12 Speed driven tools RPM: 4.000 Drive power driven tools kW: 11,7 Milling function: Yes Main spindle Speed spindle rpm: 5.000 Drive power spindle kW: 11,7 (40% ED) Maximun torque Nm: 280 / 360 (100% / 40% ED) Coolant system Tank capacity liter: 980 L High-pressure bar: 8 / 20 Equipment Chip conveyor CE conformity Coolant gun Air blast / coolant switch-over Internal coolant supply Paper band filter Automatic workpiece magazine loader - 16 positions x ø 220 Working time hours Under power: 38.000 Hjdexf Hlbepfx Agpsnw Cutting Time: 26.000 Basic machine dimensions / weight Length mm: 3.171 Width mm: 4.254 Height mm: 2.648 Weight kg: 6.000

Condition: like new (used), Year of construction: 2001, Gildemeister NEF 320 K Cycle-Controlled Lathe Siemens Sinumerik 810 DL Control Year of Manufacture: 2001 Very Good Original Condition Technical Specifications: Year of manufacture: 2001 Swing diameter over bed: 320 mm Swing diameter over cross slide: 150 mm Centre distance: 750 mm Cross travel: 185 mm Feed X: 4 m/min Feed Y: 4 m/min Hnsdswx Rbpopfx Agpew Rapid traverse X: 8 m/min Rapid traverse Y: 10 m/min Spindle nose DIN 55027 size 6 Spindle bore: 52 mm Drive power (100%): 7 kW Speed range: 14–3550 rpm (2 ranges) Tailstock quill diameter: 70 mm Tailstock quill stroke: 120 mm Tailstock taper: ISO MK 5 Dimensions: 2600 x 1440 x 1440 mm Machine weight approx.: 2.0 t Accessories and Equipment: About the Machine: Offered here is a Gildemeister NEF 320 K cycle-controlled lathe with cycle control, year 2001, in very good original condition. The machine is, of course, fully operational. The slides run very smoothly and evenly. Even at high speeds, the Gildemeister operates very quietly. This latest generation of lathes is very user-friendly and allows for surface finishes similar to grinding. The machine comes from a training workshop of a large industrial company. Take the opportunity to inspect this machine under power on site and convince yourself of its condition.

Condition: ready for operation (used), Year of construction: 2000, operating hours: 60,334 h, functionality: fully functional, machine/vehicle number: 01510000031, spindle bore: 70 mm, turning length: 1,350 mm, turning diameter: 500 mm, center width: 1,350 mm, spindle speed (max.): 3,000 rpm, No reserve price - guaranteed sale to the highest bidder! The payment deadline for the machine is 20/11/2025! Placing a bid obligates you to collect the machine within the specified period between 01/12/2025 and 05/12/2025! TECHNICAL DETAILS Turning length: 1,350 mm Swing diameter: 500 mm Swing diameter over cross slide: 290 mm Swing diameter over bed: 500 mm Chuck diameter: 250 mm Maximum spindle speed: 3,000 rpm Cross slide travel: 260 mm Distance between centers: 1,350 mm Spindle nose: 8 Hnodpoxm Slcefx Agpew Spindle bore: 70 mm MACHINE DETAILS Control: HEIDENHAIN Dimensions & Weight Dimensions (L x W x H): 3,000 x 1,800 x 1,700 mm Total weight: 4,000 kg Electrical Data Type of input current: Three-phase Operating voltage: 400 V Frequency: 50 Hz Rated current: 25 A Connection load: 14 kVA Operating hours: 60,334 h

Condition: used, Year of construction: 2001, functionality: fully functional, Turning / Milling / Drilling Center Manufacturer: Gildemeister Model: TWIN 500 Year of manufacture: 2001 Control: SINUMERIK 840 D Max. swing diameter: 610 mm Max. longitudinal travel: 1470 mm Tool holder: Spindle HSK A62 Milling spindle speed: 12 min. Turning spindle speed: 20 - 3200 rpm Rapid traverse speed: X = 46 m/min, Y = 24 m/min, Z = 60 m/min Milling spindle: 15 kW Turning spindle: 74 kW Chip conveyor: 150 kg/h Hsdjxq Tkuepfx Agponw The machine is still under power and can be inspected. The machine was used for manufacturing parts for the aerospace industry. The machine is continuously maintained. All information provided without guarantee. Ex foundation Subject to prior sale.

Condition: good (used), Year of construction: 1990, Ref. -No.: 10542 Manufacturer: GILDEMEISTER Type: AS - 16 Year of construction: 1990 Max. Rod diameter: 16 mm Number of spindles: 6 Pcs Guide rod length: 3,3 m Hnsdpfxsxmd Txs Agpsw

Condition: good (used), Year of construction: 2006, Gildemeister Twin 42, Year of manufacture 2006, Siemens 840 D control, Turning length up to 210 mm, Spindle bore 56 mm, Main spindle, Counter spindle, 1 x Y axis, 2 x C axis, Hedpfx Aewcyhtsgpenw 2 12-station turrets / all stations driven, Shaft diameter 25 mm, Driven tools up to 6,000 rpm, FMB Turbo 10-72 loading magazine, Main spindle collet chuck, Counter spindle collet chuck

Condition: used, Year of construction: 2013, turning diameter max. 20 mm turning length max. 80 mm control Fanuc 310is Main spindle: max. usable bar diameter 20 (25) mm inner draw tube diameter 28,5 mm Max. speed main spindle 10.000 min/-1 power capacity - main spindel 3,7 kW max. Torque 9,4 Nm C-Axis C1: 360 ° Subspindle: inner draw tube diameter 28,5 mm Max. speed main spindle 10.000 min/-1 power capacity - main spindel 3,7 kW max. Torque 9,4 Nm C-Axis C2: 360 ° axis stroke: x-axis 1: 50 / 2: 240 mm y-axis 1: 350 / 2: 120 mm z-axis 1: 80 / 2: 300 mm Linear tool panel carrier for slide 1: number of toolpositions 17 pos. inner processing 6 pos. outer processing 6 pos. driven statition 5 pos. Shank diameter 20 mm shaft cross cut 12 x 12 mm collet diameter ESX / ER 16 tool spindle speed range 3x 3.450 / 2x 6.000 min/-1 power capacity - driven tool-stations 5x 0.98 kW max. Torque 3x 4 / 2x 2,3 Nm Linear tool panel carrier for slide 2: number of toolpositions 13 pos. inner processing 4 outer processing 4 driven statition 5 pos Shank diameter 20 mm shaft cross cut 12 x 12 collet diameter ESX / ER 16 tool spindle speed range 3x 3.450 / 2x 6.000 min/-1 power capacity - driven tool-stations 5x 0,98 kW max. Torque 3x 4 / 2x 2,3 Nm feeds: rapid traverse ( X / Y / Z ) max. 40 m/min feed power max. 2,5 kN Accelaration max. 5 m/s² total power requirement 56 kVA weight of the machine ca. 4,8 t dimensions of the machine ca. 8,0 x 2,5 x 2,0 m CNC-Short-Lathe GILDEMEISTER - Sprint 20-8 Hnodpfotqmnnjx Agpow - 8 Achsen ( 2x X / 2x Y / 2x Z / 2x C ) - Main- and Subspindle - Bar-Feeding-Magazine FMB turbo 3-36/ 3200A - Coolant System DELTATHERM

Condition: reconditioned (used), Year of construction: 2003, Universal Lathe GILDEMEISTER NEF 320 K With Siemens SINUMERIK 810 DE control (SIMATIC PANEL TOUCH SCREEN) Hjdpfx Agsxn Ar Ajponw Year of manufacture: 2003 Spindle bore: 52 mm Distance between centers: 750 mm Swing diameter over bed: 320 mm Swing diameter over cross slide: 150 mm Cross slide travel: 185 mm Infinitely variable speed range: 14 – 3550 rpm Including the following accessories: Sliding guard with internal lighting Multifix tool holder with 2 inserts 3-jaw chuck SCHUNK ROTA plus Ø 200 mm 2 sets of soft top jaws Coolant system Chip blow gun 6 machine feet Operating manual The machine is in very good condition!

Condition: good (used), Year of construction: 2008, functionality: fully functional, turning diameter over cross slide: 410 mm, turning length: 1,200 mm, turning diameter: 600 mm, Heidenhain plus IT CNC control 8 fold turret head 3-jaw chuck 315mm diameter tailstock coolant device chip conveyor Technische Daten / technical details: max. Drehdurchmesser über Bett / max. turning diameter over bed 600 mm max. Drehdurchmesser über Schlitten / max. turning diameter over sledge 410 mm max. Drehlänge / max. turning length 1200 mm Planweg (x) / cross way (x) 320 mm Längsweg (z) / longitudinal way (z) 1250 mm Drehzahlbereich / spindle speed 3000 UpM /rpm Werkzeugrevolver / turret head 8 fach /holes Reitstockaufnahme / tail stock taper MK 5 Eilgang X/Z / rapid feed X/Z 15 m/min. Antriebsleistung Spindel 40/100% ED / drive capacity spindle 40/100%ED 24/18 kW Gewicht der Maschine ca. / weight 5500 kg Technische Daten, Zubehör und Beschreibung der Maschine sind unverbindlich - Hedpfx Agewnwz Ueponw Technical data, accessories and description of the machine are not binding.

Condition: good (used), Year of construction: 2001, Gildemeister NEF 520 CNC Lathe TECHNICAL DATA Working Area Swing over bed: 500 mm Swing over cross slide: 290 mm Chuck diameter: 250 mm Cross travel: 260 mm Center distance: 850 / 1350 mm Turning Spindle Spindle head DIN 55027 Size: 8 Spindle bore diameter: 70 mm Spindle mount: metric 80 Spindle diameter in front bearing: 120 mm Main drive AC Hnedpfowftviox Agpew Drive power: 12 kW Max. torque: 920 Speed range: 10 – 3000 rpm Gear ratios: 2 Switchable speeds: Continuously variable Feed drive X-feed force: 5000 N Z-feed force: 10000 N X-rapid traverse: 8 m/min Z-rapid traverse: 10 m/min Multifix tool carrier; Size: C Tailstock Quill diameter: 80 mm Quill stroke: 180 mm Quill mount: MK5 Dimensions L x W x H: 2900 x 1953 x 1825 mm Weight: 2700 kg SCOPE OF OFFER INCLUDES (list not exhaustive): Gildemeister lathe SMW Autoblok Hi-Grip high-precision chuck Chuck jaws Multifix tool holder Complete operating documentation Exact scope of offer as shown in the photo gallery We assume no liability for the accuracy, completeness, or timeliness of the information provided.

Condition: good (used), Year of construction: 1999, Machine has 12,300 operating hours Gildemeister NEF 320 / cycle lathe, Year of manufacture: 1999, Control: Manual Plus, Centre distance: 750 mm, Swing diameter over bed: 320 mm, Spindle speed up to 4,000 rpm, 2 gearbox stages, Multifix toolholder, Hnodpfx Agow Rm Tdspew Tailstock, 2 steadies, Accessories,

Condition: reconditioned (used), Year of construction: 2002, Cycle-controlled lathe GILDEMEISTER NEF 320 With MANUAL PLUS 4110 control Year of manufacture: 2002 Spindle bore: 50.8 mm Distance between centers: 750 mm Swing diameter over bed: 320 mm Swing diameter over cross slide: 150 mm Center height: 160 mm Speed range: 10 – 4000 rpm, stepless With the following accessories: Sliding guard with internal lighting Hnjdpfx Agexn Apbspjw Multifix tool holder with 2 inserts 3-jaw chuck Schunk ROTA – S plus Ø 200 mm 2 sets of soft top jaws ICP contour programming Tailstock with extendable quill Chip tray Coolant system Chip rinse gun 6 machine feet Operating manual

Condition: good (used), Year of construction: 1999, Gildemeister MF Twin 65, year of manufacture 1999, Siemens 840 D control, travel X/Z 190/555 mm, 1 x Y axis +/- 40 mm, 2 turrets with 12 stations each, driven tools, VDI 30 mounting, C axis, spindle speed up to 6,000 rpm, max. bar capacity up to 65 mm, bar feeder is included but no longer installed on the machine. Hsdpjw Swcxefx Agpsnw