Proconsult 2000 nakup rabljenega (8.003)

Stanje: rabljeno, Leto izdelave: 1992, Rabljeni stroj Leto izdelave: 1992 Ledpfxox Rr Dvo Abborg maks. višina obdelovanca pribl. 40 mm min. dolžina obdelovanca pribl. 250 mm min. širina obdelovanca pribl. 70 mm Podajalna hitrost pribl. 11 m/min Pripravljen za obratovanje v pribl. 4-5 min Poraba moči pribl. 11 kW s hitrogrelno posodo za lepilo Pnevmatski odrez rol do 3 mm z čelilno žago do 5 mm debeline robnega traku z rezkalno postajo, po želji opremljeno s kombiniranimi rezkalniki z izmenljivimi ploščicami za radiusno, ravno in posneto rezkanje Konzolni nosilec, zložljiv in izvlečen na sprednjo stran s podvozjem D x Š x V: 3600 x 1400 x 1200 mm Teža pribl. 670 kg Razpoložljivost: takoj Lokacija: Flörsheim

Stanje: pripravljen za uporabo (rabljen), Leto izdelave: 2006, potovalna razdalja osi X: 2.000 mm, pomik osi Y: 500 mm, pomik po osi Z: 550 mm, skupna masa: 9.600 kg, največja hitrost vretena: 6.000 obr/min, Cette fraiseuse 3 axes CHIRON Mill 2000 a été fabriquée en 2006. Elle offre une grande course de travail avec X 2000 mm, Y 500 mm et Z 550 mm, une vitesse de broche de 6 000 tr/min et une commande Siemens. La machine est équipée d’un magasin d’outils de 40 positions, d’une tête pivotante CN et d’un convoyeur à copeaux avec système de haute pression. Profitez de l’occasion pour acquérir ce centre d’usinage vertical CHIRON Mill 2000. Contactez-nous pour plus d’informations sur cette machine. Équipements supplémentaires • Convoyeur à copeaux et système de refroidissement • Convoyeur à copeaux avec système haute pression Avantages de la machine Avantages techniques • Magasin d’outils : 40 positions (magasin à chaîne) • Tête pivotante CN Informations complémentaires Lredpjyaagpefx Abbog Équipements optionnels Deux extracteurs neufs Système de bridage à point zéro

Stanje: rabljeno, Funkcionalnost: popolnoma funkcionalen, moč: 22 kW (29,91 KM), Leto izdelave: 1997, Circular vibrating screen Screen surface: 6,000 x 2,000 mm Motor base with drive components Lower deck with piping and spray system incl. polyurethane screen panels for both screen decks Ledpfeulu Rfex Abborg

Stanje: generalkompletno obnovljen (rabljeno), Leto izdelave: 2020, Funkcionalnost: popolnoma funkcionalen, številka stroja/vozila: 150 583, skupna višina: 3.975 mm, nastavitev hidravličnega cilindra: 125 mm, vgradna višina: 410 mm, višina mize: 1.220 mm, skupna širina: 2.725 mm, skupna dolžina: 3.510 mm, dolžina mize: 1.500 mm, širina mize: 1.200 mm, stiskalna sila: 200 t, višina krmilne omare: 2.200 mm, dolžina elektro omare: 340 mm, širina krmilne omare: 600 mm, vrsta vhodnega toka: trifazni, razmak između stupova: 900 mm, razdalja med stranskimi nosilci: 900 mm, razdalja med stojali: 1.520 mm, skupna masa: 3.700 kg, leto zadnje generalne obnove: 2025, ATTENTION: The machine sustained transport damage and will undergo a complete mechanical and electrical overhaul before delivery in 2025/2026. Ljdpfx Aow H Arvsbborg Pressing force: 2000 kN Adjustable stroke: 20 - 160 mm Slide adjustment: 125 mm Strokes per minute: 30 - 180 Die installation height: 410 mm Table dimensions: 1500 x 1200 mm (The press will be delivered with a new table plate, T-slot design can be freely selected) Slide dimensions: 1500 x 1000 mm Control system: SIEMENS S7 1500 series, year of manufacture: 2020

Stanje: pripravljen za uporabo (rabljen), Leto izdelave: 2008, Takamaz XY-2000 Plus CNC stružnica (2008) Proizvajalec: Takamaz Tip: XY-2000 Plus CNC stružnica Leto izdelave: 2008 Stanje: rabljeno, pod napetostjo in v proizvodnji. 2x vretena (2x Hainbuch vpenjalna glava s kleščami) 2x revolver za orodja, oba popolnoma opremljena Lovilec kosov Podajalnik palic Video je na voljo. Dodatne informacije na zahtevo. Lodpox Ti Hgofx Abberg

Stanje: delavnici obnovljeno (rabljeno), obratovalni tlak: 150 letvica, lastna masa: 125 kg, vhodna napetost: 400 V, trajanje garancije: 6 meseci, The Kränzle LX 2000 high-pressure cleaner is a highly efficient machine, perfectly suited for the toughest applications in large-scale facilities. During a thorough inspection and refurbishment, our service team meticulously checked the machine for full functionality. All mechanical parts showing wear and tear were replaced with new ones, including: ceramic pistons, seals, bearings, and all O-rings. This ensures long-lasting, trouble-free operation, eliminating the need for additional future investment in the machine. Product Advantages: - The machine comes with brand new accessories, such as a trigger gun, stainless steel lance, steel-braided hose, and a 25° power nozzle. - The integrated hose reel with 20m hose simplifies storage and daily operation. - The robust brass pump head with new ceramic pistons and seals guarantees extended, reliable service life. - The powerful and efficient 3-phase motor delivers excellent performance. - With an operating pressure of 150 bar and a flow rate of 1920 l/h, this machine is ideal for demanding jobs in construction, logistics, and agriculture. - Each machine offered comes with custom-made photos—you are purchasing exactly the unit you see. Technical Specifications: Lrjdpfx Ajx Eyfqobbsg Model: Kränzle LX 2000 Supply voltage [V]: 400 Pump flow rate [l/h]: 1920 Operating pressure [bar]: 150 Max pressure [bar]: 175 Power rating [kW]: 9.6 Weight [kg]: 125 Hose length [m]: 20 Equipment: - NEW R+M brand trigger gun (Made in Germany) - NEW 900mm stainless steel spray lance - NEW 20m reinforced steel-braided hose - NEW 25° power nozzle - Water filter and GEKA connector included free of charge in the set.

Stanje: novo, Leto izdelave: 2025, Funkcionalnost: popolnoma funkcionalen, premer žaginega lista: 500 mm, moč: 10 kW (13,60 KM), The automatic optimizing saw SalvaPush_2000 is the result of more than twenty years of experience with wood optimization saws. The operator needs only to mark wood quality and the presence of defects; the rest is handled by the optimizing saw. Lrodpfx Asd Tyf Uebbog The machine cuts the best possible combination of dimensions, minimizes waste, and increases productivity, all while maintaining absolute safety. SalvaPush_2000 is a numerically controlled optimizing saw with integrated computer and SALVA-OPTIM software for fast and easy communication. Certain sections of the program are dedicated to statistics and cutting results, with real-time updates and diagnostics. The touchscreen interface with USB and remote service connection allows for easy data reading and input. By Christian Salvador

Stanje: dober (rabljeno), Lepilec za knjige FKS KB-2000; serijska št.: 00977708041843, vroče lepilo, 1 spenjač, senzorji za prepoznavanje materiala, samodejno zaznavanje ovitka, samodejno vpenjanje ovitka, frezanje hrbta, podnožje, v dobrem stanju, na voljo takoj. Tehnični podatki: Maksimalni format: 320 x 310 mm Lsdox S H A Nspfx Abberg Debelina hrbta: 60 mm Zmogljivost: cca 320 knjig/uro Teža: 186 kg Napajanje: 230V

Stanje: rabljeno, CNC Press Brake AMADA Model HFBO 50 x 2000 Serial No.: HFBO 50 20 S60906 Year of manufacture: 1996 Press brake with 8-axis CNC control - Operateur II Press capacity: 50 tons Working length: 2,090 mm Stroke: 200 mm Throat depth: 420 mm Clearance between side frames: 1,660 mm Max. tool installation height: 460 mm Table width: 60 mm Table height above floor: 910 mm Motor power: 4.5 kW Power supply: 400 V, 50 Hz, 20 A - 8-axis CNC control Operateur II: Y1-Y2 / X1-X2 / Z1-Z2 / R1-R2 - 2 freely programmable back gauge fingers, adjustable laterally and in height (Z1+Z2+R1+R2) - Press beam with servo valves and measuring system Y1 and Y2 - Operation via electric foot switch and/or two-hand control panel - Mechanical lever-type tool clamping for the upper tool (5 units AMADA Expert, 5 units UKB 50.667 H=120 mm) - Tool holder for lower tool, 60 mm wide - Upper tooling set, 11-piece, 30°, total length 1,675 mm - consisting of: 1x 835 / 1x 300 / 1x 165 / 1x 50 / 1x 45 / 1x 35 / 1x 20 / 1x 15 / 1x 10 / 2x 100 mm (end pieces) - Lower tooling, 2-piece, 88° - V8, total length 1,250 mm - consisting of: 1x 835 / 1x 415 mm - Indicated operating hours: 30,537 h - Operating manual, electrical diagram, spare parts book available Lredpfsw Iq Ugox Abbog Weight: 4,700 kg Good condition

Stanje: dober (rabljeno), Stroj za banderoliranje, ATS US 2000 AB, št. stroja A65054, v dobrem stanju, takoj na voljo. Lrodpfx Aox S Ew Sebbjg

Stanje: zelo dobro (rabljeno), Leto izdelave: 2005, Funkcionalnost: popolnoma funkcionalen, potovalna razdalja osi X: 2.000 mm, pomik osi Y: 1.000 mm, pomik po osi Z: 1.100 mm, Vrtljiva miza 1.250 x 1.400 mm (ovira krog 1.700 mm) Heidenhain 530 Diagonalna rezkalna glava z indeksiranjem 1° x 1° Število obratov do 5.000 min⁻¹ Vpenjalni stožec SK50 Lrsdpfox Iuccjx Abbsg Izmenjevalec orodij s 40 mesti Notranje hlajenje s 19 bari Transportni trak za odrezke v vzdolžni smeri

Stanje: zelo dobro (rabljeno), Leto izdelave: 2010, Funkcionalnost: popolnoma funkcionalen, Vertikalni CNC-stroj z 1000 mm v Y-osi, idealen za orodjarstvo. Leto izdelave 2010 Krmiljenje Heidenhain iTNC 530 Dimenzije mize: 2220 x 1000 mm Obremenitev mize: 3000 kg Lredpoxln A Iefx Abbeg Pomiki: x 2020 mm, y 1000 mm, z 800 mm Pogonski motor vretena: 25 kW Hitri pomik: x/y/z 16/16/12 m/min 4 kos spiralnih transporterjev za ostružke ob Y-osi 4 ravna vodila v Y-osi elektronski ročni kolesni upravljalnik navojno rezanje brez kompenzacijske glave samodejno centralno mazanje magazin z 40 mesti s hitrim dvojročnim izmenjevalcem ISO 50 konus samodejni menjalnik z oljnim hladilnikom ZF stekleni merilni trakovi na vseh oseh notranje hlajenje skozi vreteno 20 bar papirni trakasti filter na posebnem rezervoarju hladilne tekočine 330 l Teža stroja cca 19.000 kg Stroj je takoj na voljo zaradi zaprtja podjetja Stroj je še vedno mogoče videti priključenega na elektriko.

Stanje: pripravljen za uporabo (rabljen), Leto izdelave: 1999, obratovalne ure: 77.888 h, moč vretenovega motorja: 7.500 W, največja hitrost vretena: 8.000 obr/min, proizvajalec krmilnikov: FANUC, model krmilnika: PNC DECO, število osi: 10, Ta stružnica Tornos Deco 2000-26 je bila izdelana leta 1999 v Švici in ima 77.888 obratovalnih ur. Opremljena je s krmilnikom TORNOS-BECHLER FANUC PNC DECO in ima 10 osi. Stroj ima hitrost glavnega vretena 8.000 vrt/min in proti-vretena 6.000 vrt/min. Priložen je podajalnik palic TORNOS ROBOBAR SSF-532. Za dodatne informacije o tem stružnem avtomatu nas kontaktirajte. Dodatna oprema Lredpfx Ajx D Ilgobbog • Podajalnik materiala: TORNOS ROBOBAR SSF-532 • V ponudbi je vključenih nekaj držal orodja ter naprava za nastavljanje orodja. Prednosti stroja Tehnične prednosti stroja • Največji premer palice: 16 mm • Pomik: 240 mm • Natančnost indeksacije C-osi: 0,1° • Glavno vreteno: 8.000 vrt/min // proti-vreteno: 6.000 vrt/min • Na voljo je popolna dokumentacija

Stanje: pripravljen za uporabo (rabljen), Leto izdelave: 2011, proizvajalec krmilnikov: SIEMENS, največja hitrost vretena: 10.000 obr/min, moč vretenovega motorja: 17.000 W, število osi: 3, This 3-axis HELLER MC 2000 was manufactured in 2011 and features a robust three-phase motor spindle delivering 17 kW at 10,000 rpm, equipped with an SK 40 tool holder. It comes with a 2-axis servo tool changer, a stationary tool magazine with 54 slots, and a pallet changer with 2 pallet positions. If you are looking for a high-quality milling machine, you should consider the HELLER MC 2000 we have for sale. Please contact us for further information about this machine. Additional Equipment • Scraper belt conveyor for dry machining • Cold light in the working area • Central cooling unit for motor spindle and control cabinet, CFC-free Machine Advantages Technical Advantages • Central cooling unit for motor spindle and control cabinet, CFC-free • Built according to CE standards • Paint finish: grey-white / anthracite grey / dust grey / HELLER red • Control cabinet with integrated control, regulation, and power sections • Operating voltage 400V / 50Hz, voltage tolerance +/- 10% // control voltage 24V DC • Increased spindle output with power cutting at 240 Nm • Dynamic axis performance • Fully enclosed machine, including covers Lodpfxex D Nbps Abbsrg • Automatic central lubrication • Hydraulic system Further Information The operating manual includes: • Operating instructions • Control-specific documents • Maintenance instructions • List of spare and wear parts • Supplier instructions • Fluid diagrams and electrical circuit diagrams Three-phase motor spindle package with hollow shaft motor, 17 kW at 40% duty cycle, 10,000 rpm asynchronous, SK 40 tool holder according to DIN 69871, Form A, AD, and B, for pull studs according to DIN 69872 Form A and B Adjustable, maintenance-free AC feed drives Direct distance measuring system on the X, Y, Z, and B axes Travel Range 2-axis servo tool changer Stationary tool magazine with 54 tool holders and fixed-position encoding Operator panel at workpiece setup station NC rotary table with 360,000 x 0.001° incrementation Pallet changer with 2 pallet positions Workpiece Setup station, manually rotatable 4 x 90° The machine has been measured.

Stanje: rabljeno, • Proizvajalec: MHG Strahlanlagen GmbH • Maks. debelina stekla: 70 mm • Maks. velikost stekla: višina 1900 mm, dolžina 3.000 mm • Zgornji del odprt • Število šob: 2 + 1 ročna pištola • Celotna dokumentacija na voljo • Hitrost peskanja brezstopenjsko nastavljiva: 100 – 500 mm/s Lredpfsxu Dabjx Abbjg • Premer peskalne šobe: 6,5 mm • Potreba po zraku pri 6 barih (L/min): 1200 pri 4 šobah • Priključne vrednosti: 230/400 V/50 Hz/3x16 A

Stanje: rabljeno, Mechanical Scissor Lift Table with Roller Device - Welding Rotator, Vessel Rotator Ideal Base for 3D Welding Table Load capacity: 800 kg (max. load with fixed castors) Load capacity: 2000 kg (max. load without fixed castors) Platform size: 1800 x 860 mm Usable lift: max. 690 mm Height - table at lowest position: 770 mm (without top frame) Height - table at highest position: 1460 mm (without top frame) Height - table at lowest with locking bolt: 830 mm (without top frame) Height - table at highest with locking bolt: 1080 mm (without top frame) Top frame height: 80 mm Rotator load capacity: approx. 400 kg Roller center distance/axle spacing: 155 to 685 mm Axle distance to top frame: 190 mm Roller diameter: 100 mm Roller width: 40 mm - Scissor lift table is highly suitable as workbench, assembly fixture, welding table base or, with the vessel rotator, for welding pipes - Mobile scissor lift table on 4 polyamide fixed casters Ø 125 mm, 2 of which are swivel casters with brakes - Table height adjustable via trapezoidal threaded spindle and hand crank - 4 position locking pins for height adjustment, hole spacing 50 mm - Table top removable, equipped with forklift pockets - Roller spacing of polyurethane rollers on the rotator adjustable in perforated grid - Very robust construction made of square profiles with 5 to 10 mm wall thickness Lredpox U Eh Nofx Abbog Space requirements (L x W x H): 1800 x 860 x 1200 mm Weight without rotator: 470 kg Weight with rotator: 620 kg Very good condition

Stanje: rabljeno, Leto izdelave: 2005, Fabricante: ARISA, Tipo: LD8-4-2000-470-230-LDE, Año de fabricación: 2005, Nº de serie: 820016341, Control de prensa, Fabr.: Siemens, Tipo: Sinumerik 840D, Fuerza de prensado: 1.800 t, Superficie de sujeción de la mesa: 4.500 x 2.300 mm, Superficie de sujeción del carro: 4.500 x 2.300 mm, Carrera del carro: 750 mm, Ajuste del carro: 400 mm, Altura de instalación mín.: 900 mm, Altura de instalación máx.: 1.300 mm, Número de golpes: 8 - 24 golpes/min, Fuerza del cojín de mesa: 2x 300 - 200 t, Carrera del cojín de mesa: 250 mm, Fuerza del cojín del carro: 2x 5 - 55 t, Carrera del cojín del carro: 150 mm, Línea de banda, Peso máx. bobina: 25 t, Ancho de bobina: 300 - 1.800 mm, Espesor chapa: 0,5 - 3,0 mm, compuesta por desenrollador y carro de carga, enderezadora, estación de engrase, sistema de transferencia, armarios de control y mando, plataforma con escalera, cinta transportadora L 10.000 mm, banco de trabajo con armarios bajos y tornillo de banco, puesto de control de calidad Lrsdpfx Abjx Ry Dqobog +++ Atención: ¡La máquina forma parte de una subasta online! +++

Stanje: dober (rabljeno), Funkcionalnost: popolnoma funkcionalen, Leto izdelave: 2010, 2 osi: programirljivi osi X in R Lrsdpfjya Dggex Abbeg Dolžina upogibanja: 2100 mm Maks. sila: 40 t Maks. odprtina med nosilci: 615 mm Maks. hod: 200 mm Hitrost približevanja: 140 mm/s Delovna hitrost: 0 – 10 mm/s Hitrost hoda: 140 mm/s Območje zaustavitve: 6 mm Mere D x Š x V: 2900 x 1900 x 3050 mm Teža: ca. 5200 kg Stroj si je mogoče kadar koli ogledati pod napetostjo.

Leto izdelave: 2004, Stanje: dober (rabljeno), Robot Kuka KR210 Series 2000 Year of manufacture: 2002 / 2004 Reach: 2700 mm Weight: 1245 kg Payload: 210 kg Lredps Tx Tpjfx Abbog Controller: VKRC2 (VW/Audi version) Controller weight: 185 kg Software version: V4.1.7 SP08 (standard Kuka software, not VW-specific) Kuka KCP2 teach pendant Connection cables: 7 m .....

Stanje: rabljeno, Tehnični podatki: Ljdpfxeya H H Nj Abbjrg - GBT-2000 - Delovna širina: 1.300 mm - Skupna širina: 1.470 mm - Dolžina: 2.050 mm - Rabljeno - Hitrost podajanja nastavljiva preko frekvenčnega pretvornika - Frekvenčni pretvornik ni vključen v dobavo - Moč motorja: 0,37 kW - Maks. obremenitev: 50 kg/m - Barva: RAL 7035 svetlo siva - Nihanja napetosti: +/-5% - Lokacija: na zalogi

Stanje: rabljeno, Leto izdelave: 1971, Funkcionalnost: popolnoma funkcionalen, Razdalja med konicama: 2.000 mm Premer struženja: 1.200 mm Premer struženja v izseku: pribl. 1.460 mm Največja širina nastavljivega izseka: 900 mm Premer vretena: 85 mm Ledoycuh Hepfx Abbsrg Območje vrtljajev: 14 - 710 min⁻¹ Dimenzije: 4.705 x 2.060 x 2.000 mm Oprema: štiripoložni nosilec orodij, triosni digitalni prikaz HEIDENHAIN, trivojna vpenjalna glava FORKARDT F400, elementi za dušenje vibracij

Stanje: rabljeno, Leto izdelave: 2000, Overview This crate washer was manufactured in 2000 by the German company Bohrer. It is located in a German brewery and was part of a line that was decommissioned after being replaced by a completely new installation. The line was taken out of service in autumn 2024, after which the machine was dismantled and placed in storage. Technical Data • Capacity: up to 2,000 crates/hour (adjustable from 500 to 2,500 crates/hour) • Formats: – Crate with 12 bottles (700ml): 356 x 275 x 346 mm, crosswise transport – Crate with 20 bottles (250ml): 360 x 275 x 255 mm, crosswise transport – Crate with 20 bottles (500ml): 400 x 300 x 290 mm, crosswise transport – Crate with 20 bottles (500ml): 400 x 333 x 260 mm, crosswise transport • Horizontal and vertical spray nozzles • Washing with hot caustic solution and fresh water • Integrated caustic solution heater with temperature control • Machine is steam-heated • Dimensions: Length 4,800 mm, Width 900 mm, Height 1,400 mm • Weight: 1,800 kg • Sieves for dirt removal • Including documentation Lodpfevm D Umjx Abberg • Including spare parts list • Including electrical schematic

Leto izdelave: 1980, Stanje: dober (rabljeno), with pre-bending Technical Data: Bending length: 2000 mm Max. sheet thickness: 20 mm Pre-bending capacity: 15/11 mm Lower roll diameter: 280 mm Lrjdpfekzg E Aex Abbjg Upper roll diameter: 300 mm Main drive power: 16.2 kW Upper roll positioning drive power: 4.8 kW Lower roll positioning drive power: 3.7 kW Weight approx.: 14,200 kg Technical data, accessories, and machine description are subject to change and not binding.

Stanje: dober (rabljeno), Leto izdelave: 2017, obratovalne ure: 900 h, Funkcionalnost: popolnoma funkcionalen, stružna dolžina: 520 mm, premer struženja: 372 mm, TECHNICAL DETAILS Swing diameter over bed: 570 mm Max. turning diameter: 372 mm Max. turning length: 520 mm Chuck: 152 mm (203 mm) Spindle speed: 6,000 (45,000) rpm Bore diameter: 60 mm (68 mm) Travel (X/Z): 215 mm / 562 mm MACHINE DETAILS Year of manufacture: 2017 Lredpjrpiuyefx Abbeg Weight: 4,000 kg Operating hours: 849 h (as of November/December) EQUIPMENT • Control: Siemens Sinumerik 820 D incl. Operate • 3-jaw power chuck • 12-position tool changer with driven tools • Automatic tool measurement • Parts catcher • Programmable tailstock • Oil skimmer • Work area lighting • 2x WTO drilling and milling unit, straight BMT 55 • 2x WTO drilling and milling unit, angled BMT 55 • 1x facing tool holder 25x25 mm • 3x facing and longitudinal turning holders • 4x universal combination holders • Chip conveyor

Stanje: rabljeno, HEDELIUS RS 60 MAGNUM-2000 je 5-osni obradni centar, projektovan za preciznu obradu, visoku tačnost i pouzdanost. Radne karakteristike: sto 1.200 x 600 mm (Ø 680 mm), maksimalna težina radnog komada 300 kg; hodovi X 2 mm, Y 620 mm, Z 520 mm, ugao nagiba A +15 / -95°. Tehnički podaci: prihvat vretena SK40, 50–12 min⁻¹, obrtni moment 121 Nm; pomeraj 0–45 mm/min, brzina hoda 45 m/min, sila posmaka 7 N; priključak 3x400 V 50 Hz, ukupna snaga 25 kVA; težina mašine ≈11 kg, dimenzije 5.400 x 4.300 x 3 mm; zamena alata 3 s, maksimalni prečnik alata 80 mm, dužina 330 mm, težina 8 kg. Oprema: magazin za alat 56 mesta, uređaj za hlađenje 1.250 l, visok pritisak 80 bar, Renishaw sonda, transporteri strugotine, odsisavanje uljnih magli, klimatizacija elektro ormara, kompletno kućište. Omogućava uske tolerancije; pogodan za automobilske, vazduhoplovne, medicinske, časovničarske i mašinske industrije. Lrsdpfxox S Nwvo Abbjg