Used Scm S 520 for sale (576)

Condition: used, Year of construction: 2005, total width: 1,100 mm, total height: 1,120 mm, total length: 1,000 mm, - Year: 2005 - Documentation available: No - CE marking present: Yes - CE certificate present: No - Serial number: AB 173436 - Max. planing width [mm]: 500 - Max. planing height [mm]: 250 - Worktable length [mm]: 60 - Worktable width [mm]: 520 - Number of cylinders height adjustment [pcs]: 4 Gsdpfxewnhmhe Ag Djkf - Extraction nozzle diameter [mm]: 140 - Voltage [V]: 400 - Transport dimensions: 1000mm x 1100mm x 1120mm (l x w x h) - Transport packages [pcs.]: 1 Financial information VAT: The price shown is exclusive of VAT VAT/margin: VAT deductible for entrepreneurs Delivery and trade-in always possible for everything in the industrial sectors Yorick Diebels

Condition: excellent (used), functionality: fully functional, THICKNESS PLANER model SCM S 520 second hand machine Gsdpfxou Ecqzj Ag Dekf CE mark : Yes working conditions : Excellent technical details : useful working width mm. 520 maximum (minimum) working height mm. 250 (3) maximum removal mm. 8 n.04 feed speed mt./min. 5 / 8 / 12 / 18 motorized table positioning main motor power Hp 7,5 volt. 380/50

Condition: excellent (used), CATALOG NUMBER 7618 TECHNICAL DATA - shaft width: 500 mm - number of knives: 4 pcs - max thickness of workpiece: 230 mm top section: - anti-kickback fingers - toothed, feed, swivel, sequential infeed shaft - pressure rollers - planing shaft - pressure roller - smooth feed outfeed shaft bottom section: - 2 slip rollers in the table - motor: 5.5 kW - manual table height adjustment - 2 feed speeds: 7.5; 13 m/min - extraction port diameter: 160 mm - dimensions (L/W/H): 1100x1000x1200 mm - weight: 600 kg ADVANTAGES – made in Italy – original paint (not repainted) – used thickness planer, in very good condition Net price: 15,900 PLN Net price: 3,780 EUR (based on exchange rate 4.2 PLN/EUR) (Prices may change with significant exchange rate fluctuations) Gksdpfx Aowbdlysg Def

Condition: excellent (used), Year of construction: 2002, functionality: fully functional, working length: 3,000 mm, working width: 2,030 mm, total width: 1,100 mm, total length: 3,300 mm, total height: 2,720 mm, table width: 120 mm, overall weight: 1,200 kg, Edge Press, Beam Type SCM Falcon/S Specifications: • Condition – Used, after inspection • Manufacturer – SCM • Model – Falcon/S • Maximum gluing dimensions – 300 x 203 cm • Remote control for pistons (independent vertical and horizontal control) • Double-T beams, 12 cm wide • Two vertical pistons with 60 mm diameter and two smaller horizontal pistons with 35 mm diameter • Maximum vertical piston pressure – approx. 15,000 kg • Maximum horizontal piston pressure – approx. 5,000 kg • Maximum pressure – 160 bar • Pump motor – 3.0 kW • Year of manufacture – 2002 • Overall dimensions: 335 x 110 x 272 cm (L x W x H) • Weight – approx. 1,200 kg Additional information: • Very good, factory technical and visual condition Gkodpoxn Tqvjfx Ag Dsf • The photos shown represent the actual item for sale • Possibility to power up and inspect the machine on site.

Condition: used, Technical data: Max planing width: 520 mm Max planing height: 250 mm Cutterhead diameter: 110 mm Number of knives: 4 4 feed speeds Electric height adjustment Power supply: 400 V Motor power: 4 kW Gkedex Hgdcopfx Ag Dsf Overall dimensions: Length: 1000 mm Width: 1080 mm Height: 1080 mm

Condition: as good as new (ex-display), functionality: fully functional, TECHNICAL DATA: Technical characteristics NOVA F 520 Working width [mm] 520 Total length of tables [mm] 2750 Input table length [mm] 1550 Output table length [mm] 1200 Knife shaft diameter [mm] 120 Shaft speed rpm 5000 Knife dimensions (4 pcs) [mm] 35 x 3 x 520 Aluminum planer guide [mm] 1200 x 190 Planer guide inclination ° 90 - 45 Working table height from the floor [mm] 845 Exhaust connection diameter [mm] 120 Max. Removal [mm] 8 Engine power kW (HP) 5 (7) ----- Additional built-in options: * Spiral head "XYLENT" Gedpfx Ajqw Uyfsg Dokf

Condition: used, heavy-duty surface planer SCM F 520 planing width 520 mm table length 2,960 mm hydraulic height adjustment of infeed table via foot pedal, with micrometer display for chip removal 4-knife safety cutterblock sharp and hollow joint adjustment main motor 4 kW Godpjxzdgujfx Ag Dokf electric motor brake CE version Machine is FULLY FUNCTIONAL and in GOOD CONDITION from vocational school available from stock in Lieboch

Condition: excellent (used), Multi-spindle drilling machine SCM Type FM 29/S 29 spindles Gjdpfx Agovxtfro Djkf Distance 32 mm Table 1200 x 780 mm Max drilling depth for vertical drilling 100 mm/ horizontal 60 mm Spindle speed 3800/min

Condition: used, Year of construction: 2005, Working area: X=2970 mm / Y=1725 mm Axis travel speeds: X=60 Y=45 Z=25 m/min Weight: 3200 kg Storage location: Nattheim Godpow Dcccjfx Ag Dokf

Condition: good (used), Year of construction: 1995, functionality: fully functional, planing width: 520 mm, number of planer blades: 4, height adjustment type: electric, Equipment: motor brake, Description Gsdpfx Aox Aibaeg Djkf SCM FS 520 – Surface planer & thickness planer combination machine | Year of manufacture: 1995 | Good condition For sale is a robust and precise combination machine from SCM: SCM FS 520, built in 1995, ideal for professional workshops and ambitious carpenters/joiners. The machine has been regularly maintained and is in good technical condition. Technical data & features: + Manufacturer / Model: SCM FS 520 + Machine type: Combined surface planer & thickness planer + Year of manufacture: 1995 + Motor power: 5.5 kW (three-phase) + Cutterblock: Centrofix system (quick knife change, precise cut) + Number of knives: 4 Centrofix knives + Planing width: 520 mm + Thicknessing width: 520 mm + Max. planing depth: approx. 5 mm + Thicknessing height: 3 – 250 mm + Feed speed: 6–12 m/min (2-speed) + Surface table length: approx. 2200 mm (infeed & outfeed table) + Pneumatic table opening: Yes – for easy switching between surfacing and thicknessing + Electric height adjustment of thicknessing table with digital readout + Weight: approx. 1000 kg + Extraction port: 120 mm + Voltage: 400 V Condition & maintenance: + Machine from a well-maintained workshop + Centrofix knives in good condition + Tables flat, bearings run smoothly + Immediately ready for use + No known repairs required You will receive an invoice with VAT shown. Shipping via freight forwarder by arrangement possible. Price: +Negotiable €7650 net ex-stock Haldensleben.

Condition: new, Year of construction: 2025, Maximum equipment for the professional. Multiple combination with TERSA cutterhead, miter cutting device and swiveling milling spindle. Ø 350 mm main saw blade with 118 mm max. cutting height, which is also achieved with the scoring saw blade installed Scoring device with separate motor and Ø 120 mm saw blade, easily and conveniently adjustable from the outside High-precision sliding carriage made of anodized aluminum on hardened and drilled steel guide rails Large boom (1200 x 650 mm) with roller and extendable aluminum telescopic fence up to max. 3300 mm Sawing unit swivels from 90° to -45 Pivoting milling spindle from 90° to -45° backwards into the milling fence Four milling speeds Right-left rotation of the milling spindle Quick change to thickness planer thanks to parallel opening jointer tables 2-stage feed in the thicknessing table Sharp toothed steel infeed roller for uniform wood infeed Three independent industrial motors With separate saw-parallel fence and separate feeder fence With lockable main switch Equipment details: Format fence Immediate control Boom Boom with angle-adjustable telescopic lay-off stop with graduation Sliding carriage with ball contact system made of anodized aluminum guides in hardened and ground steel F550S, 15% harder than conventional steel guides riveted and not glued light running, low noise and reliable 10 years HOLZKRAFT warranty on wear of hardened guideways cast iron double cradle saw unit height adjustment via dovetail guide extremely robust and torsionally stiff for precise cuts close to the saw blade, mounted on both sides height and inclination adjustable up to 45 standard scoring unit with separate scoring motor 0,55 kW double cradle scoring unit large-dimensioned swiveling double cradle milling unit made of cast iron milling stop heavy professional design the high quality cast iron fence is supplied with fine adjustment as standard 3-fold positionable for fast readjustment of the setting with fine adjustment via toothed rack, numerical display and aluminum fraise stop jaws Planer steel infeed rollers with helical teeth for a constant and uniform wood infeed solid backstops prevent the backstroke of workpieces 4-knife torsion shaft ensures an optimal planing pattern table lips for a quieter running Tersa planing cutterhead No more adjusting and screwing Change of planing knives in seconds Self-locking Especially low noise Thicknessing table The thicknessing table is mounted on four large-dimensioned spindles, which ensure high stability under all working conditions. Due to the special lifting device, the table position is perfectly maintained even without locking. Rip fence with fine adjustment and quick clamping stable round bar guide made of ground steel reversible aluminum ruler no measuring gap, guide rods are overlapping Separate dressing fence large professional design (1800 x 150 mm) 0-45° swiveling with quick adjustment stable round bar guide made of ground steel simultaneous opening Gkjdpscnxa Sjfx Ag Djf Art: No. 5500557

Condition: used, Year of construction: 1990, functionality: fully functional, planing width: 520 mm, total height: 1,200 mm, total width: 1,400 mm, overall weight: 600 kg, table length: 3,000 mm, Equipment: motor brake, SCM F 520 heavy-duty jointer Planing width: 520 mm Table length: 3,000 mm Hydraulic height adjustment of infeed table via foot pedal 4-knife Tersa cutterhead Bevel and concave joint adjustment 4 kW Electric motor brake Machine is fully OPERATIONAL and in GOOD CONDITION The machine can be inspected and tested at any time at the site in Leipzig Gsdpfxexz Tplo Ag Dekf

Condition: used, heavy-duty jointer planer SCM F 520 E Planing width: 520 mm Table length: 2,960 mm Motorized height adjustment of the infeed table, with electronic digital display 4-knife safety cutterblock Adjustment for straight and hollow joints Main motor: 4 kW Electric motor brake CE compliant Gjdpfx Agexyf Hts Djkf Machine is FULLY FUNCTIONAL and in GOOD CONDITION Available from stock Lieboch

Condition: excellent (used), Catalogue number: 7776 TECHNICAL DATA - Shaft width: 520 mm - 4-knife cutter block - Noise-reducing comb - Shaft guard - Table length: 3010 mm - Longer, electrically adjustable infeed table: 1770 mm - Cast-iron tables - Both tables adjustable - Original cast-iron fence, angle adjustable - Electric brake - Extractor connection diameter: 120 mm - Motor: 4 kW - Dimensions (L/W/H): 3010x1000x1400 mm Godpfxexl Umys Ag Dekf - Weight: 870 kg ADVANTAGES - Italian production - 4-knife cutter block - Overhead control panel - Electric brake - Noise-reducing comb - Longer infeed table - Not repainted - Used surface planer, very good condition, original DTR documentation, CE Net price: 28,900 PLN Net price: 6,880 EUR (based on 4.2 EUR rate) (Prices may vary with significant fluctuations)

Condition: ready for operation (used), Year of construction: 2002, functionality: fully functional, machine/vehicle number: AH/105752, feed rate X-axis: 18 m/min, workpiece height (max.): 60 mm, control type: PLC-controlled, TECHNICAL DETAILS Panel height: 10–60 mm Solid wood: 15 mm PVC/ABS: 3 mm Feed speed: 12–18 m/min Working height: adjustable via PLC MACHINE DETAILS Control: PLC EQUIPMENT Adjustable panel support guide Side roller conveyor with idler rollers for panel support Rectifier group Roller holder plate Gluing unit for EVA adhesive with premelter Edge pressing group Trimming group Scribing group with overlapping motors Tiltable copy unit Rounding unit with 4 motors Edge scraper unit Glue scraper unit Gksdoxx Nf Depfx Ag Djf Oscillating brush group

Condition: new, feed rate X-axis: 7 m/min, workpiece height (max.): 50 mm, type of input current: three-phase, input voltage: 400 V, With corner copying, suitable for plastic edges from 0.4 - 3 mm, solid wood edges up to 3 mm, and workpieces from 8 - 50 mm, with pneumatic adjustment. Panel thickness: 8 – 50 mm Edge thickness: 0.4-3 mm (coil material) Jointing unit: Yes Radius milling unit: Yes Corner copying unit: Yes Scraper: Yes Buffing unit: Yes Premium equipment for high productivity with minimal space requirements! Intuitive operation with eye-S control and 10" large touchscreen: HMI Maestro Active Edge; graphical representation of all processing units and their operating status; graphical simulation of operations; control of all processing units; regulation of glue pot temperature; assistant functions for machine setup according to the processing program; error diagnosis for quick resolution of simple faults; statistics on processing parameters; USB connection; network connectivity ready; prepared for Industry 4.0 with API REST data transfer protocol. Outstanding accessibility to work units thanks to the large hood, which also provides protection and noise reduction Godsxxvanjpfx Ag Dskf Monoblock steel construction ensures high stability and rigidity of the machine Automatic unit positioning when changing panel thickness Cut-off saw unit with corner rounding (me 35 tr s): for trimming the edge and rounding corners on the top and bottom; for edging solid wood, trimming is done with the radius milling cutter; high-frequency motor with 12,000 rpm; saw blade Ø125mm Z12 Panel feed via feed chain with rubber sliding shoes Extendable workpiece support Adjustment of infeed fence via spacer plates Dimensions and Weights Length (product) approx. 3314mm Width/depth (product) approx. 1085mm Height (product) approx. 1300mm Weight (net) approx. 623kg Flush radius milling unit Rated output: 2 x 0.35kW Cutter diameter: HW55.3mm Spindle speed: 12000min⁻¹ Extraction port diameter: 60mm Number of extraction ports: 2 Corner copying unit Rated output: 0.35kW Tool diameter: 58mm Speed: 12000min⁻¹ Electrical data Connection voltage: 400V Mains frequency: 50Hz Glue unit Glue pot rated output: 0.25kW Glue pot operating temperature: 190°C Glue pot extraction port diameter: 60mm Glue pot capacity: 0.8kg Pneumatic connection Operating pressure: 6.5bar Air consumption: 470l/min Feed Feed rated output: 0.55kW Feed speed: 7m/min Edges Edge thickness (coil material): 0.4 – 3.0mm Pre-milling unit Extraction port diameter: 2 x 80mm Rated output: 3kW Cutter speed: 7200min⁻¹ Diamond cutter diameter: 80mm Cutter height: 56mm Material removal: 0.5 / 1 / 1.5 / 2mm Scraper units Radius scraper: 2mm Buffing unit Rated output: 2 x 0.14kW Speed: 2800min⁻¹ Workpiece Workpiece thickness: 8 – 50mm Minimum workpiece length: 120mm Minimum workpiece width: 110mm

Condition: new, Year of construction: 2025, 4-knife shaft for best results of Planer Smooth running thanks to precision unit and the heavy casting Front steel feed roller with helical gearing for an optimum feed Satin Steel pull-out roller, optionally with squeegee in the excerpt The working table is mounted on four large pillars that ensure the greatest stability under all operating conditions. The thickness table is adjusted by a Handwheel with numeric display for the planing height (exactly 1/10 mm) Equipped with two speeds, of user facing the front of comfortable selectable Powerful industrial motor Stable steel-cast iron construction Equipment details: Work table Stored on four großdimensonierten screws ensure the stability of the largest under all working conditions Special lifting device correctly maintain the table position, also without lock Tersa Planer knife shaft No adjust and screw more Planer blades change in seconds Self arretierend Particularly low noise Thickness table adjustment at 41 S elite s through a Handwheel with numeric display for the planing height (exactly 1/10 mm) Gksdod Hx Hnspfx Ag Djf Dimensions and weights Length approx. 900 mm Width/height 1070 mm Weight approx. 361 kg Connect dust extraction Suction nozzle diameter 120 mm thickness Drive performance 5 main motor kW Installation information Space length 1070 mm Space width/depth 900 mm Space height 1100 mm

Year of construction: 2016, condition: excellent (used), Thickness planer Manufacturer: SCM Type: S52 Elite S Year of construction: 2016 Working width: 520 mm Max. Plane thickness: 240 mm Power: 7 kW Feed rate: 5 / 8 /12 /18 m/min Gkodepr U D Sjpfx Ag Def Number of knives: 4 Blade type: Tersa Motor brake: Yes Suction nozzle: 120 mm

Condition: used, Thickness planer SCM S 63 - used - Gkjdpfsxm R Uvox Ag Dsf Segmented pressure beam, Under-table roller, Separate feed motor ----- Technical specifications ----- Planing width: 630 mm, Number of knives: 4 pcs., Passage height: 235 mm, Feed speed: 6 /9/12/18 m/min., Extraction nozzle Ø: 180 mm, Weight: 1035 kg

Condition: good (used), Year of construction: 2011, For sale is a first-hand used SMC edge banding machine in good condition. Manufacturer: SMC Year of manufacture: 2011 Type: Olimpic S 2000 "Model A" Weight 2000 kg Gedpfx Aehf Aclsg Dskf Feed rate: 12-18m/min Working height (panel thickness): 8-60mm Edge thickness: 0.4mm - 6mm - Flush trimming unit - Snipping unit - Surface scraper - Rounding unit all data without guarantee, sale only to commercial customers. Inspection by appointment in Karlovarská 1415, 363 01 Ostrov, Czech Republic Collection in Ostrov (Czech Republic) or in 94424 Arnstorf (Germany)

Condition: new, Year of construction: 2025, New machine Year of manufacture: 2025 Description: Technical Specifications Working width: 630 mm Work table dimensions: 640 x 1000 mm Working height: - Maximum: 300 mm - Minimum: 3.5 mm Max. depth of cut in one pass: 8 mm Min. workpiece length: 260 mm Cutter shaft diameter: 120 mm 4 Knives: 35 x 3 x 640 mm Cutter shaft speed: 4,500 rpm Feed speed electronically adjustable: 4–20 m/min Feed motor (S6 -40%): 1.3 kW Extraction connection diameter: 150 mm Standard Equipment and Accessories - Automatic thickness table elevation with 2 speeds and micrometric adjustment - Thickness table with vertical movement via 4 steel-threaded spindles - Electronic control with 2 axes for setting: * the input value of the thickness table * the feed speed - Stepless feed speed adjustment from 4 to 20 m/min via inverter - Feed speed automatically adapts in relation to the main motor’s maximum power consumption - Upper ribbed steel roller at infeed - Two upper rubber-coated feed rollers at outfeed - Replaceable feed rollers - Independent pneumatic pressure regulation of the upper feed rollers - Motor power: 9 kW 50 Hz (11 kW 60 Hz) with automatic star-delta starting: * S1: 7.5 kW / 10 HP / 50 Hz (8.8 kW / 12 HP / 60 Hz) * S6 -40%: 9 kW / 12 HP / 50 Hz (11 kW / 15 HP / 60 Hz) Safety/Protection - Noise dampening protection at infeed and outfeed - Micro safety switch at protective cover - Emergency stop switch at front and rear of the machine - Lockable main switch Gjdpsw Tfybjfx Ag Dokf - Motor protection switch - Low-voltage circuit (110 Volt) - Automatic motor brake - CE Declaration of Conformity Product code: S 7 109999 Standard safety regulations 530314 TERSA – Cutter shaft (monoblock version) with disposable double-edged knives 083201 Base frame 930731 Volt 400 EU R02017 L’invincibile S 7 CE version 931201 Frequency 50 Hz 109993 MACHINE LANGUAGE: German Availability: short-term Location: Flörsheim

Condition: new, Year of construction: 2023, functionality: fully functional, total length: 3,774 mm, edge thickness (max.): 3 mm, overall weight: 842 kg, plate height: 50 mm, For plastic edges from 0.4 - 3 mm, solid wood edges up to 5 mm, and workpieces from 8 - 50 mm. Panel thickness: 8 – 50 mm Edge thickness: 0.4-3 mm (coil material) Jointing unit: Yes Radius milling unit: Yes Scraper: Yes Buffing unit: Yes Top configuration for high productivity in a compact footprint! Intuitive operation with the eye-S control and 10” large touchscreen: HMI Maestro Active Edge Graphic display of all processing units and their operating status Graphical simulation of machining operations Control of all processing units Regulation of glue pot temperature Assistance functions for machine setup according to the machining program Error diagnostics for rapid troubleshooting of simple issues Statistics on machining parameters USB port Prepared for network connection Excellent accessibility to working units thanks to the large hood, ensuring protection and noise reduction Automatic positioning of units when changing panel thickness Panel feed via chain conveyor with rubber slip shoes Quality made in Italy Equipment details 10" touchscreen control panel Optimum machine management with the new 10" touchscreen control panel featuring Maestro Active Edge, visually representing all machine functions Pre-milling unit Two diamond-tipped cutters Glue station Glue is quickly and evenly heated by heating rods located in both the glue pot and the glue application roller Automatic temperature reduction during prolonged machine idle times Teflon-coated glue pot for easy glue changes Device for reusing unused glue Automatic application of edge banding from coils with cut-off knife for edges up to 3 mm Rotary table with Ø 730 mm Gksdpfx Aexxuvbeg Def Self-lubrication of the glue pot Quick-change kit for the glue pot Flush/radius milling unit With horizontal and vertical tracing rollers for optimal tool positioning Equipped with combination milling tool Ø 55.3 mm for flush milling of edges up to 5 mm and radius edges up to 2 mm Precise adjustment via 2 digital displays With chip extraction Surface scraper Absolute cleanliness for perfect finishing of the workpiece surface With rotating copying device Buffing unit Powered by two independently swiveling and height-adjustable motors For perfect cleaning and polishing of panel edges Profile scraper With digital position display For perfect finishing of plastic edges With device to retract the unit when it is not needed Edge magazine For automatic application of strip edges Solid wood strip edges are automatically loaded and synchronized with the panel feed

Condition: new, Year of construction: 2025, 4-knife shaft for best results of Planer Smooth running thanks to precision unit and the heavy casting Front steel feed roller with helical gearing for an optimum feed Satin Steel pull-out roller, optionally with squeegee in the excerpt The working table is mounted on four large pillars that ensure the greatest stability under all operating conditions. The thickness table is adjusted by a Handwheel with numeric display for the planing height (exactly 1/10 mm) Equipped with two speeds, of user facing the front of comfortable selectable Powerful industrial motor Stable steel-cast iron construction Equipment details: Work table Stored on four large screws, ensure the stability of the largest under all working conditions Special lifting device correctly maintain the table position, also without lock Tersa Planer knife shaft Gkodod Hx Hpepfx Ag Def No adjust and screw more Planer blades change in seconds Self arretierend Motor thickness table height adjustment at 52 S elite s Height adjustment of the Thicknesser table motor with electronic number For greater precision and more ease of use Dimensions and weights Length approx. 1080 mm Width/depth approx. 1440 mm Weight 455 kg Connect dust extraction Suction nozzle diameter 120 mm thickness Drive performance 7 main motor kW Installation information Space length 1440 mm Space potatoes

Condition: reconditioned (used), Connected load 380V 13A 5.5kW main drive motor + 0.7kW feed motor, planing width 630 mm, Tersa cutterblock with 4 knives, stepless feed 6-18 m/min, star-delta switch, mechanical table height adjustment via hand lever, drive via cutterblock, fine adjustment by handwheel, mechanical digital display for planing height, 1x table roller, extraction connection 160 mm, 1x steel infeed roller, 1x steel outfeed roller. Gkjdpoxdl U Eofx Ag Dsf

Condition: used, functionality: fully functional, planing width: 520 mm, total length: 3,100 mm, total height: 1,500 mm, total width: 800 mm, overall weight: 900 kg, table length: 3,050 mm, planer shaft diameter: 120 mm, working width: 520 mm, number of planer blades: 4, – CE marking – machine as new TECHNICAL SPECIFICATIONS Gkedpfjw Iqa Njx Ag Djf – max. planing width: 520 mm – cutterhead diameter: 120 mm – 4-knife cutterhead – TERSA knives – noise reduction comb at cutterhead – jointer shaft guard – table width: 51 cm – table length: 305 cm – hydraulic lifting by pedal – height counter – motor: 7.5 kW – tilting fence – manual star-delta switch – extraction port connection: 120 mm – two adjustable tables – quiet operation – full factory cast iron body – original factory paint – dimensions (L/W/H): 310 x 70 x 150 cm – weight: 900 kg