Used Tos Olomouc Fng 40 Cnc A Milling Machine for sale (113,958)

Condition: used, Year of construction: 2017, operating hours: 2,115 h, functionality: fully functional, feed length X-axis: 600 mm, feed length Y-axis: 400 mm, feed length Z-axis: 400 mm, spindle speed (max.): 4,000 rpm, spindle speed (min.): 50 rpm, rapid traverse X-axis: 8,500 m/min, rapid traverse Y-axis: 8,500 m/min, rapid traverse Z-axis: 7,000 m/min, overall weight: 2,708 kg, We offer this used TOS OLOMOUC FNG-40 CNC A milling machine, manufactured in 2017. Type: FNG-40 CNC A Serial number: 404 100 008 Year of manufacture: 2017 Weight: 2708 kg If you have any further questions or require additional information, please do not hesitate to send us a message or call us. Fpsdpfx Anoy Rbb Rersg

Condition: good (used), Tool Milling Machine TOS FNGJ 40 with 3-axis Heidenhain Digital Display Fedpfx Ansx H Nx Aerjpg - Travel paths X/Y/Z: 600x400x400 mm - Automatic feeds and rapid traverse on all three axes - Spindle speeds from 63 to 3150 rpm - Tool holder ISO 40 - Hydraulic tool clamping - Swivel table 800x400 mm - Vertical and horizontal milling device - Swiveling vertical head with quill - Coolant system - Tool trolley + tool holders + milling tools - Counter bearing + horizontal milling spindle - Clamping block for tool holders - Machine feet - Documentation Dimensions (LxWxH): 2.5 x 2 x 2.3 meters / Weight: 2600 kg Subject to errors and omissions.

Condition: ready for operation (used), Year of construction: 2015, travel distance X-axis: 760 mm, travel distance Y-axis: 380 mm, travel distance Z-axis: 152 mm, controller manufacturer: HEIDENHAIN, controller model: TNC 320, spindle speed (max.): 6,000 rpm, spindle motor power: 5,500 W, number of axes: 3, This 3-axis TOS Olomouc FV30 CNC A was manufactured in 2015. It features a spindle speed range of 50-6000 rpm and a tool changer with 12 positions. The machine has a maximum workpiece weight capacity of 360 kg and working strokes of 760 mm in the X-axis, 380 mm in the Y-axis, and 152 mm in the Z-axis. If you are looking to get high-quality machining capabilities, consider the TOS Olomouc FV30 CNC A vertical machining centre we have for sale. Contact us for further details. • Tool changer: 12 positions • Linear measurement: Direct measurement on X and Y axes • Maximum workpiece weight: 360 kg • Manual console vertical adjustment: 450 mm • Worktable dimensions: Length 1300 mm, Width 305 mm Technical Specification Fpjdpfoy E N S Tjx Anrog Taper Size ISO 40

Condition: used, machine/vehicle number: 186137200089, used TOS tool milling machine model FNG 40 CNC Year of manufacture: 1988 with Heidenhain path control TNC 155 with fixed angular table 800x400mm Travel paths: X/Y/Z = 500/400/400mm Speed range: 10-3150 rpm Spindle: SK40 Chip guard, attachable Documentation for the machine and control is available. Fpjdpfx Aexf Inkenreg The machine is located in 71334 Waiblingen-Beinstein and can be inspected by appointment.

Condition: ready for operation (used), Year of construction: 2001, CNC milling machine TOS TV-1000 A CONTUR Manufacturer: Trens Model: MC 100 VA Year of construction: 2001 Condition: used Control unit: Heidenhain TNC 426 X-axis travel: 1000mm Fpedpohlp Iwsfx Anrsg Y-axis travel: 600mm Z-axis travel: 760mm Table length: 1080mm Table width: 580mm Tool changer with 40 positions Tool holder according to ISO 40 Spindle speed: 8000 rpm Overall dimensions: L 3200 x W 2100 x H 2900 mm Weight: 6200 kg Shipping possible throughout Germany and Austria. Surcharge 1000 € Sale excluding warranty.

Condition: excellent (used), Year of construction: 2010, XYZ SMX 5000 3 Axis CNC Bed Milling Machine ProtoTRAK SMX Control Spindle: 7.5Hp – Programmable 70 – 5000rpm Fpodpey Ni Ivefx Anrsg ISO40 Quill Dia 105mm Manufactured 2008 Table: 1930 x 355mm 4 off T Slots size 15.9mm Max load 850kgs Travel: X – 1524mm Y – 596mm Z – 584mm Dims: W - 5805mm D – 2530mm H – 3143mm Weight - 3100Kgs For sale with *Jet Machinery Ltd* Stock No: 79199 Serial No: 11273 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: used, Year of construction: 2000, x-travel 600 mm y-travel 400 mm z-travel 400 mm table surface area 800 x 400 mm spindle taper SK 40 control HEIDENHAIN TNC 310 spindle turning speed range 10 - 3150 U/min spindle drive 5,5 kW feed - longitudinal/cross 1 - 5000 mm/min feeds vertical 0,5 - 2500 mm/min rapid traverse 6 / 6 / 3 m/min total power requirement 10 kVA weight of the machine ca. 2,5 t dimensions of machine L x W x H 2,16 x 1,70 x 2,0 m Accessories: solid table, vertical head with hydr. tool clamping and quill Fpjdpfx Ajux Agionreg retraction, electron. handwheel, coolant

Condition: used, Mecof CNC Bed Type Milling Machine x 9000mm Key Specifications Fedsy N Amxspfx Anrjpg Manufacturer Mecof Condition Used Stock Number 00265 Table Size 9000 mm × 2200 mm X-Axis Travel 7200 mm Y-Axis Travel 1008 mm Z-Axis Travel 2040 mm Universal Head Heidenhain TNC 426 CNC Control Hand Wheel

Condition: excellent (used), Year of construction: 2018, Clausing Colchester 4VSQ MLLPWR CNC Turret Milling Machine Acu-rite Mill Power 3 Axis CNC Control Table Size 1370 x 254mm Travels: X – 1050mm Y – 390mm Z (Quill) – 115mm Z (Knee) – 355mm Vari Speed Head Spindle Taper IS040 Spindle Speeds Low 60 – 500rpm Spindle Speeds High 55 – 4300rpm Weight: 1850Kgs 3 Phase Electrics Manufactured: 2018 Complete with: Vice Interlocking Table Guards Air Draw Bar Tooling Packaged (ISO40) Power Rise and Fall to Knee Auto Lube Worklight Coolant & Swarf Guards / Tray *For sale with Jet Machinery Ltd* Fsdpfjx Af I Aex Anrjpg Jet Machinery Stock No: #79028 Machine Serial Number: TC0015 Cost: £12,500.00 + 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: used, Year of construction: 2013, functionality: fully functional, travel distance X-axis: 17,000 mm, travel distance Y-axis: 4,800 mm, travel distance Z-axis: 1,500 mm, table length: 16,000 mm, table width: 3,000 mm, spindle speed (max.): 3,000 rpm, rapid traverse X-axis: 12 m/min, rapid traverse Y-axis: 8 m/min, rapid traverse Z-axis: 8 m/min, distance between stands: 3,800 mm, type of input current: three-phase, position of the milling head: vertikal / Winkelkopf, rotational speed (max.): 3,000 rpm, distance table to spindle center: 2,300 mm, overall weight: 90,000 kg, spindle nose: ISO 60 / ISO 50 Adapter, spindle motor power: 60,000 W, Equipment: rotational speed infinitely variable, ➡️ WALDRICH COBURG CNC GANTRY MILLING MACHINE ⬅️ Heavy Duty Machining | Siemens 840D Retrofit | Ready for Production High-quality CNC gantry milling machine manufactured by Waldrich Coburg available for sale in very good condition. ✔ Machine under power ✔ Inspection & test run possible ✔ Siemens 840D retrofit (2013) ✔ New electrical system & cabinets ✔ New motors & drives ✔ Heidenhain glass scales on all axes ✔ Ideal for large part machining & heavy-duty applications Technical Data X travel: 17,000 mm Y travel: 4,800 mm Fsdsy Rrb Iepfx Anrepg Z travel: 1,500 mm Floor plates: 16,000 x 3,000 mm Distance between columns: 3,800 mm Distance table to spindle face: 2,300 mm Spindle power: 60 kW Spindle speed: 0.4 – 3,000 rpm Tool taper: ISO 60 / ISO 50 adapter Machine weight: approx. 90,000 kg Equipment Siemens 840D CNC control 2-step gearbox Right angle head WFU 250 with automatic indexing Right angle head WFU 500 with automatic indexing Rapid tapping Tool trolley with tool holders Steel way covers on X/Y axes 2 chip conveyors Perfect for: Heavy machining Machine building Energy industry Shipbuilding Steel & rolling mill industry Subcontract manufacturing 📍 Location: USA 🌍 Worldwide shipping can be arranged 📞 Please contact us for more information, videos, or inspection appointments.

Condition: as good as new (ex-display), Year of construction: 2025, functionality: fully functional, Demonstration machine BUB 40/3000 CNC Control system: Siemens One Digital axis drives Includes comprehensive user software Includes electronic handwheel for X/Z axes Centre height: 400 mm Centre distance: 3000 mm Workpiece weight between centres: 500 kg Longitudinal Z-axis travel: 3250 mm Positioning accuracy X-axis: 0.001 mm Fsdpfx Anov N D Hbsrepg Workpiece spindle head taper: MK 5 Tailstock taper: MK 5 Drive power: - Grinding spindle: 11 kW - Workpiece spindle: 2.5 kW - Total installed: 22 kW Machine in full enclosure Prepared for extraction system, including fittings Separate monitor, touch probe control, automatic balancing, as well as gap/crash control included. 1 grinding wheel: 508 x 80 x 203.2 mm Available immediately. Optional filtration units available in various designs.

Condition: used, x-travel 850 mm y-travel 500 mm Fpsdpfx Anoyuqmcersg z-travel 500 mm taper ISO 40 P.D.B. table-size 400x1250 mm volt 400 V Control Heidenhain TNC 355 total power requirement 7,5 kW

Condition: used, Year of construction: 1977, Technical details attached. Rotary table 4500x4500 , travel 4000mm, max load 100 ton. Fpjdpocfkn Ujfx Anrog Floor plates 6 pcs. 2000x4000 It was retroffited with CNC Siemens 840D More pictures and details on request. Video with the machine working is available on request.

Condition: excellent (used), Year of construction: 2008, travel distance X-axis: 3,000 mm, travel distance Y-axis: 825 mm, travel distance Z-axis: 1,100 mm, rapid traverse X-axis: 48,000 m/min, rapid traverse Y-axis: 80,000 m/min, rapid traverse Z-axis: 48,000 m/min, table width: 835 mm, table length: 3,500 mm, table load: 3,500 kg, 1 Axis CNC Swivel head, infinitely variable Axis drive with ball screw drive Roller linear guides in all axes Direct path measuring systems Full work area encosure with roof Chip conveyor Coolant unit Fpsdpfxewyv Nzo Anrog X - Travel: 3000mm Y - Travel: 825mm Z - Travel: 1100mm B - Axis: - 3 to + 105° Table Length: 3500mm Table Width: 835mm Table load: 3500 Feed rate X-Axis: 48000mm/min. Feed rate Y-Axis: 80000mm/min. Feed rate Z-Axis: 48000mm/min. Spindle Taper: HSK 100ISO/Bt/Mk Power on spindle: 37kW Speeds / ranges: 8000Rpm ATC / revolver: 40 Coolant through spindle / Bar:25 Number of controlled axis: 4 Chip conveyor: Yes Coolantsystem: Yes Length: 8000mm Width: 3800mm Height: 3800mm

Condition: excellent (used), Year of construction: 2010, feed length X-axis: 650 mm, feed length Y-axis: 500 mm, feed length Z-axis: 475 mm, feed rate X-axis: 6,000 m/min, feed rate Y-axis: 6,000 m/min, feed rate Z-axis: 6,000 m/min, table width: 450 mm, table length: 1,530 mm, X-Axis: 650mm Y-Axis: 500mm Z-Axis: 475mm Table Length: 1530mm Table Width: 450mm Table load: 350 Spindle speeds: 55 - 4000Rpm Feed rate X-Axis:6000mm/min. Feed rate Y-Axis:6000mm/min. Feed rate Z-Axis:3000mm/min. Length: 2300mm Width: 2550mm Height: 2200mm Weight: 2850kg Fsdextmqtspfx Anrjpg Please Note: The information on this page has been obtained to the best of our ability and belief, and from the manufacturers where possible. It is given in good faith, but its accuracy can not be guaranteed. Accordingly, it will not form a representation or constitute contractual terms. We advise you to check any vital details!

Condition: excellent (used), Year of construction: 2007, travel distance X-axis: 6,000 mm, travel distance Y-axis: 2,000 mm, travel distance Z-axis: 1,400 mm, feed rate X-axis: 30,000 m/min, feed rate Y-axis: 30,000 m/min, feed rate Z-axis: 30,000 m/min, spindle speed (max.): 2,000 rpm, table length: 4,000 mm, table width: 2,000 mm, CNC Bed-Type Milling Machine SACHMANN RAMBAUDI - MP-212 HS MACH-ID 9328 Make: SACHMANN RAMBAUDI Type: MP-212 HS Control: HeidenHain iTNC530 Year: 2007 KOSMO 3 indexing head Sk-50, 0,02 Degrees, 1195 Nm Spindle extention L = 600 mm with 2000 Rpm 3D Measuring probe MP60 ATC Chain 80 Positions Coolant system 1320 L with 4,8 Bar Rotary indexing table  2000 x 1600 x 15 ton V-Axis (in feed) 1500 mm Rotation 3 U/Min HeidenHein RON 700 encoder for Table rotation Ram size 500 x 500 with 56 kW Chip conveyor  X-Axis: 6000mm Y-Axis: 2000mm Z-Axis: 1400mm Table Length: 4000mm Table Width: 2000mm Table load: 25000 Power on spindle: 37kW Spindle speeds: 2000Rpm Fsdpsx Nh H Djfx Anrepg Spindle Taper: 50ISO/Bt/Mk Feed rate X-Axis: 30000mm/min. Feed rate Y-Axis: 30000mm/min. Feed rate Z-Axis: 30000mm/min. Millinghead auto-index:2.5 x 2.5° Length: 15000mm Width: 8000mm Height: 6000mm Weight: 85000kg Please Note: The information on this page has been obtained to the best of our ability and belief, and from the manufacturers where possible. It is given in good faith, but its accuracy can not be guaranteed. Accordingly, it will not form a representation or constitute contractual terms. We advise you to check any vital details!

Condition: excellent (used), Year of construction: 2019, travel distance X-axis: 450 mm, travel distance Y-axis: 400 mm, travel distance Z-axis: 350 mm, feed rate X-axis: 5,000 m/min, feed rate Y-axis: 5,000 m/min, feed rate Z-axis: 5,000 m/min, total height: 2,220 mm, total width: 2,300 mm, total length: 1,990 mm, table width: 400 mm, table length: 800 mm, table load: 300 kg, overall weight: 2,200 kg, CNC milling machine EMCO - FB 450 MC MACH-ID 9401 Make: EMCO Type: FB 450 MC Control: Siemens 828D ShopTurn Year: 2019 Universal milling machine with toolmaker precision  Small-batch production to complex workpieces Vertical milling head with hydraulic tool clamping Y and Z Milling Handwheel in all three axes Linear guideways in all three axes Workspace guard retractable with large chip shield Main motor with spindle brake    X - Travel: 450mm Y - Travel: 400mm Z - Travel: 350mm Table Length: 800mm Table Width: 400mm Table load: 300 Feed rate X-Axis:5000mm/min. Feed rate Y-Axis:5000mm/min. Feed rate Z-Axis:5000mm/min. Spindle Taper: 40ISO/Bt/Mk Power on spindle:10kW Speeds / ranges:5000Rpm Length: 1990mm Fjdpeyub Udofx Anrjpg Width: 2300mm Height: 2220mm Weight: 2200kg Please Note: The information on this page has been obtained to the best of our ability and belief, and from the manufacturers where possible. It is given in good faith, but its accuracy can not be guaranteed. Accordingly, it will not form a representation or constitute contractual terms. We advise you to check any vital details!

Condition: excellent (used), travel distance X-axis: 450 mm, travel distance Y-axis: 400 mm, travel distance Z-axis: 350 mm, feed rate X-axis: 5,000 m/min, feed rate Y-axis: 5,000 m/min, feed rate Z-axis: 5,000 m/min, total height: 2,200 mm, total width: 2,300 mm, total length: 1,990 mm, table width: 400 mm, table length: 800 mm, rotational speed (min.): 5,000 rpm, table load: 300 kg, overall weight: 2,200 kg, Universal milling machine with toolmaker precision  Fpjdpfeyucc Njx Anrog Small-batch production to complex workpieces Vertical milling head with hydraulic tool clamping Y and Z Milling Handwheel in all three axes Linear guideways in all three axes Workspace guard retractable with large chip shield Main motor with spindle brake    X - Travel: 450mm Y - Travel: 400mm Z - Travel: 350mm Table Length: 800mm Table Width: 400mm Table load: 300 Feed rate X-Axis:5000mm/min. Feed rate Y-Axis:5000mm/min. Feed rate Z-Axis:5000mm/min. Spindle Taper: 40ISO/Bt/Mk Power on spindle:10kW Speeds / ranges:5000Rpm Length: 1990mm Width: 2300mm Height: 2220mm Weight: 2200kg Please Note: The information on this page has been obtained to the best of our ability and belief, and from the manufacturers where possible. It is given in good faith, but its accuracy can not be guaranteed. Accordingly, it will not form a representation or constitute contractual terms. We advise you to check any vital details!

Condition: excellent (used), Year of construction: 2010, feed length X-axis: 650 mm, feed length Y-axis: 500 mm, feed length Z-axis: 475 mm, table width: 450 mm, table length: 1,530 mm, table load: 350 kg, X-Axis: 650mm Y-Axis: 500mm Z-Axis: 475mm Table Length: 1530mm Table Width: 450mm Table load: 350 Spindle speeds: 55 - 4000Rpm Feed rate X-Axis:6000mm/min. Feed rate Y-Axis:6000mm/min. Feed rate Z-Axis:3000mm/min. Length: 2300mm Width: 2550mm Height: 2200mm Weight: 2850kg Please Note: The information on this page has been obtained to the best of our ability and belief, and from the manufacturers where possible. It is given in good faith, but its accuracy can not be guaranteed. Accordingly, it will not form a representation or constitute contractual terms. We advise you to check any vital details! Fedpfx Anjxtbkueropg

Condition: good (used), Year of construction: 1990, 1 used well preserved CNC controlled tool milling machine as travelling column version with CNC path control GRUNDIG Dialog 11 table size 1600 x 675 mm tool holder SK / ISO 40 traverse X-axis, longitudinal 1200 mm Y-axis, cross 600 mm Z-axis, vertical 500 mm table load 2000 kg speed range 20 - 6300 rpm feed range, stepless 2 - 10.000 mm/min rapid traverse in all axes 10 m/min quill stroke 80 mm Drive power 100 % ED 7.5 kW 40 % ED 12 kW Machine dimensions L x W x H 3600 x 3000 x 2300 mm Fodpfx Anshhuf Hsropg Machine weight 6800 kg Control cabinet dimensions L x W x H 1700 x 900 x 1750 mm Switch cabinet weight 470 kg Accessories / Special features: - CNC tool milling machine suitable for tool, jig and fixture making, training as well as mold making. - CNC path control GRUNDIG Dialog 11 - Screen graphics, dialog guided input, 3 D linear interpolation, circular interpolation, helical interpolation, polar coordinate input, numerous drilling and milling cycles, cycle input graphically supported, milling cycles "contour pocket" for automatic free milling of irregular pockets also with islands, shift and rotation of the coordinate system - Electronic handwheel - Interface RS 232 - Swiveling vertical milling head +/- 90 - Hydraulic tool clamping, DIN 2080 with clamping groove, Ott system - Spindle sleeve adjustment 80 mm - Horizontal milling device - Full protection cabin - Ball screw spindles in all 3-axes - Coolant system - Bele

Condition: excellent (used), Year of construction: 2019, Traverses X Y Z: 1524 x 596 x 584mm, Table 1930 x 356mm, Spindle speed 5000rpm, Motor 5.75kW, ProtoTRAK SMX 3 axis control, ISO40 Spindle taper, 127mm Quill Travel, Interlocked guards, Fpodeyynvyjpfx Anrjg Power Drawbar, low Volt light.

Condition: good (used), travel distance X-axis: 745 mm, travel distance Y-axis: 370 mm, travel distance Z-axis: 300 mm, Bridgeport milling machine Type: Interact 4 Control: Heidenhain TNC 155 Fpsdpoqgcdtefx Anrsg X-path: 745 mm Y-path: 370 mm Z-path: 300 mm Bed: 960 x 380 mm Spindle: ISO 40 Dimensions: 185x180x235 cm LxWxH

Condition: good (used), BHG Hermle CNC milling machine Type: UWF 1000 Control: Heidenhain TNC 355 X-path: 700 mm Y-path: 550 mm Z-path: 500 mm Bed: 490 x 1000 mm Fjdpfx Ajqwgzbsnrspg Spindle: ISO 40 Speed: 3150 rpm Year of manufacture: 1988 Including documentation and parameters Dimensions: 230x200x220 cm LxWxH Weight: approx. 4000 KG

Condition: used, Year of construction: 2007, travel distance X-axis: 8,000 mm, travel distance Y-axis: 2,100 mm, travel distance Z-axis: 1,300 mm, spindle speed (max.): 6,000 rpm, spindle speed (min.): 36 rpm, table width: 5,500 mm, table length: 2,600 mm, total height: 4,900 mm, total width: 16,200 mm, total length: 9,000 mm, overall weight: 55,100 kg, CNC Floor Type Bed Milling Machine CNC Control Heidenhain iTNC 530 Controlled NC Table 1600 x 1600 mm Fpsdpfxjy Egnle Anrsg Table dimensions 5500 x 2600 mm Movement X-axis 8000 mm Movement Y-axis 2100 mm Movement Z-axis 1300 mm Movement W-axis 1000 mm C-axis-swivel of milling head body 360 ° A-axis-swivel of milling head 180° Spindle speed 36 - 6.000 R/min Spindle motor 42 / 30 kW Spindle taper DIN 69871-SK 50 Tools in tool magazine 48 If you have any questions concerning the machine, please do not hesitate to contact us by phone or e-mail. Feel free to view our other advertisements for a complete overview of our stock.

Condition: like new (used), Year of construction: 1987, Used Giddings and Lewis Model MC 50 Twin Pallet Horizontal Machining Centre with Live Spindle, 60 ATC and G&L 8000A Control System. Serial # 445-1052.Year of Manufacture: 1987 Machine Formerly Installed at Rolls Royce Plc In Derby UK. Immediately for Sale and now Located in Belgium where it can be Inspected. Spindle Diameter - 130 MM Spindle Taper - 50 ISO Spindle Travel (Z Axis) - 915 MM Spindle Speeds (4 Ranges) - 5 to 1500 RPM Main Motor - 30 HP Pallet Size - 1219 x 1245 MM Fsdpfx Ansu Dahnsrjpg Pallet Rotation Increments - 0.001 DEG (360,000 POSITIONS) Pallet Changer Max Load - 5000KGS Pallet Max Load Without APC - 9000 KGS Longitudinal Travel (W) - 1700 MM Vertical Travel Of Head (Y) - 1500 MM Cross Travel (X) - 1800 MM Feed Rates Per Minute - 1.00MM/MIN TO RAPID RATE Rapid Traverse Rate Per Minute (X And Y) - 4500 MM / MIN Rapid Traverse Rate Per Minute (Z And W) - 3000 MM / MIN Auto Tool Changer - 60 POSITIONS Electrical Supply - 415V, 3PH, 50HZ FEATURES AND EQUIPMENT High Pressure (25 Bar) Through Spindle Coolant, High Tolerance Machine. Accurate Machine which was well Maintained and Regularly Calibrated by Manufacturer. Renishaw Probing. Length - 11679 MM Width - 6502 MM Height - 4423 MM Weight - 40329 KGS