Ideal Nc Varilni Sistem nakup rabljenega (19.481)

Stanje: novo, Condition: New Delivery time: approx. 4 months from order Country of origin: Turkey Price: €32,000 Leasing rate: €611.20 Saw frame: Double column guide Saw blade dimensions: 5000 x 34 x 1.1 mm Variable band speed: 20 - 120 m/min Cutting capacity 0° (round): 330 mm Cutting capacity 0° (square): 330 mm Cutting capacity 0° (flat): 350 x 330 mm Working height: 845 mm Hydraulic motor: 1.1 kW Main motor: 3 kW Coolant pump motor: 0.12 kW Length: 2815 mm Width: 1935 mm Height: 1855 mm Weight: 2560 kg Servo feed with 700 mm stroke Dodpfx Ajwiq Hgeplecg Cutting length up to 9,999 mm (multiple feed) Omron touchscreen, up to 50 different cutting lengths and 30 programs can be saved Linear guide 41 mm saw blade Control panel Hydraulic vise Hydro-mechanical band tensioning Heavy-duty gearbox Coolant system Sensitive pressure adjustment Inverter for infinitely variable band speed Chip brush Optical height adjustment Chip conveyor Operating manual in GERMAN or ENGLISH OPTIONS: Roller conveyors and saw bands available upon request

Stanje: generalkompletno obnovljen (rabljeno), Leto izdelave: 2019, obratovalne ure: 200 h, Funkcionalnost: popolnoma funkcionalen, številka stroja/vozila: P.TE 1-350, skupna širina: 700 mm, skupna dolžina: 900 mm, skupna višina: 600 mm, trajanje garancije: 12 meseci, dolžina varilnega noža: 400 mm, širina varilnega noža: 10 mm, Visokofrekvenčni varilni stroj THF-proizvajalec, obnovljen s strani Cebb H.F. Technology leta 2026 35 cm roka 2 kW moč Varilna elektroda 400x10 mm Možnost varjenja z majhnimi, oblikovanimi dodatnimi elektrodami Dimenzije 700x900xV600 mm, za namestitev nad delovno mizo Originalno ohišje iz pleksi stekla 12 mesecev garancije Dsdey Nkibjpfx Aplocg

Leto izdelave: 2017, stanje: dober (rabljeno), Funkcionalnost: popolnoma funkcionalen, For sale is a professional vacuum conveyor from KOCH Technik (Type A130). This unit is designed for the automatic conveying of plastic granulate or regrind directly to an injection molding machine or extruder. The conveyor features an extremely robust die-cast aluminium construction, specifically designed for heavy-duty industrial use. The quick-release system (clamping ring) allows tool-free opening for cleaning or maintenance. Technical data: - Voltage: 24 V DC - Model: A130 - Year of manufacture: 06/2017 - Material connection: Quick coupling (Camlock) - Mounting: 4-hole flange plate - Container volume: 12 to 15 litres - Conveying distance: 10–15 metres, depending on the vacuum pump in use Upon request, transport and loading can be organised across Europe for an additional fee. All prices are subject to VAT. Inspection possible by appointment. Please contact us, our team will be happy to assist you. Trade-in or exchange possible! Machinery Purchase / Sale PURCHASE / SALE OF PRODUCTION & METALWORKING MACHINERY AND MORE. Dedey Iwkispfx Aplscg Are you looking for a high-quality yet affordable metalworking machine for your production? Or would you like to sell yours? For further information or contact options, please visit our website.

Stanje: zelo dobro (rabljeno), Funkcionalnost: popolnoma funkcionalen, Leto izdelave: 2023, Obratovalne ure: pribl. 3.000 ur. Dedjy Nl U Sspfx Apljcg

Stanje: skoraj kot novo (rabljeno), Leto izdelave: 2008, številka stroja/vozila: 461/08, Funkcionalnost: popolnoma funkcionalen, vhodna napetost: 400 V, vhodna frekvenca: 50 Hz, skupna dolžina: 1.370 mm, skupna širina: 1.470 mm, skupna višina: 2.900 mm, skupna masa: 8.700 kg, Hidravlična preša je kot nova . Ima 5000 delovnih ur , delala je na minimalnih pritiskih maksimalno 50 ton. Bila je redno servisirana s strani proizvajalca Energo. Je zelo precizna pri globini vtiskanja 0,01 mm z možnostjo programov simultano v več korakih , kjer določaš globino , pritisk in hitrost vtiskanja. Dcedpfx Apsy E N U Ueleg Priklopljen je na električno omrežje in pripravljen za zagon.

Stanje: rabljeno, Leto izdelave: 2016, Proizvajalec: GOM, Tip: Atos III Plus, Scanbox, Leto izdelave: 2016, merilni volumen 550 x 550 x 550 mm³, sestava: merilna programska oprema Atos InSpect 2023, skenirna glava ATOS III, robotski modul Fanuc M20iA, rotacijska miza, vpenjalna plošča 1.500 x 1.000 mm, varnostne svetlobne zavese, izvlečna polica, 2x 3 predali, vsebina: rastrske plošče, merila, stativi, voziček za orodje Atorn, klimatska kabina 10 x 6 x 6 m, rolo vrata, vhodna vrata, razsvetljava, mobilna montažna miza Witte, mere 2.400 x 1.800 x 200 mm, 1 komplet vpenjalnih sredstev Witte. Dcedpfxsx R Dv Do Aplsg +++ Pozor: Stroj je del spletne dražbe! +++

Stanje: rabljeno, Leto izdelave: 2011, skupna masa: 1.622 kg, nosilnost: 240 kg, doseg roke: 2.700 mm, Es handelt sich um einen gebrauchten, geprüften Schweißroboter, bestehend aus einem KUKA KR 240-2 2000 Industrieroboter und einer KRC2 ed05 Steuerung aus Baujahr 2011, kombiniert mit einer Schweißanlage von SKS Welding Systems. Dieses System ist für industrielle Schweiß- und Automatisierungsanwendungen ausgelegt und kommt typischerweise beim Lichtbogenschweißen, in der schweren Baugruppenfertigung sowie beim kombinierten Handling und Schweißen zum Einsatz. Der Roboter bietet eine Traglast von 240 kg und eine Reichweite von 2700 mm, sodass er besonders für großvolumige Werkstücke geeignet ist. Die Anlage umfasst eine SKS LSQ 4 Schweißstromquelle inklusive Drahtvorschub, Schweißbrenner sowie vollständig montiertem Schlauchpaket. Djdoy Nfl Depfx Aplocg

Stanje: dober (rabljeno), Leto izdelave: 2004, Universal milling machine with HEIDENHAIN TNC 124 path control mechanical handwheels swivelling tilting table ±45° hydraulic tool clamping half-enclosure coolant tank manual Technical specifications: X travel: 600 mm Y travel: 400 mm Z travel: 400 mm Spindle speed: 63 - 3,150 rpm Infinitely variable feed rate: 12-3000 / 6-1500 (Z) mm/min Quill stroke: 100 mm Head swivels: ±90° Spindle taper: ISO SK 40 Clamping area: 630 x 400 mm Total connected load: 8 kW Machine weight: approx. 2.2 t Space required: approx. 2 x 1.9 x 1.95 m Dedpjigm Tcjfx Aplecg

Stanje: dober (rabljeno), Leto izdelave: 2004, Hänel Rotomat 400 Vertical Carousel (Paternoster) The Hänel Rotomat 400 is a vertical carousel system (Paternoster) operating on the "goods to person" principle, suitable for both industrial storage and office use as an archiving lift. The system maximizes storage capacity by fully utilizing available room height, while occupying minimal floor space. Application Areas The Hänel Rotomat 400 is used across various industries: - Industrial: For storage of tools, measuring instruments, electronic components, and small parts. - Office & Administration: As an automated filing system for hanging files or binders. - Medical sector: For sterile storage of surgical instruments. Overall dimensions (L): 260 cm Overall dimensions (W): 130 cm Overall dimensions (H): 285 cm Dedoy Nxp Ajpfx Aplscg Permissible shelf load: 150 kg Electrical connection: 3~ N+PE 400V / 50Hz / 5.5 kW Year of manufacture: 2004 Dismantling and removal by purchaser Dismantling service: Professional dismantling can be carried out by our specialized installation team upon request (€5,000 plus VAT) Item location: Czech Republic Upgrade your Vertical Carousel A carousel’s efficiency depends on its interior configuration. Our specially tailored storage bins optimize tray surface use down to the last millimeter. Find the right dimensions for your system in our other auctions. "Everything from a single source: We are happy to offer you a tailored bank financing solution for your project." komplett-konzept.leasingo.de You can find more new and used vertical lifts in our shop! International shipping rates available on request!

Stanje: rabljeno, Leto izdelave: 2001, Kotlovnica na lesne sekance Heizomat HSK RA 500, moč 500 kW, letnik 2001, vključno s sistemom čiščenja, sistemom za odstranjevanje pepela v kontejnerju, polžnim podajalnikom in krmiljenjem. Napravo mora kupec razstaviti sam! Naprava je popolnoma funkcionalna in v obratovanju, vključno z dokumentacijo! Bunkerski sistem je primeren za pelete, Heizomat naprava pa je primerna za lesne sekance. Djdpfsvyrwpox Apljcg

Stanje: skoraj kot novo (rabljeno), Funkcionalnost: popolnoma funkcionalen, nosilnost: 2.000 kg, Oprema: nožno daljinsko upravljanje, Demmeler Ergonomix M-2000 perforirana plošča original 1,0 m, diagonala 1,1 m, 28 mm luknje Skoraj neuporabljena, kot nova, vrhunsko stanje Zaradi prefinjene razporeditve celotne mehanike je razvijalcem podjetja Demmeler uspelo zagotoviti izjemno velik delovni prostor ob hkrati majhni tlorisni površini manipulatorja Demmeler Ergonomix®M. Manipulator vedno postavi tudi najtežja bremena v idealen položaj. Posebnost družine izdelkov Demmeler Ergonomix®M je velik kot obračanja do 180°, kar pri številnih obdelovancih omogoča popolno obdelavo v enem vpetju brez dodatnega obračanja. Nosilnost: 2000 kg Model: M2000 Dcsdpfx Apjy Hl N Doleg A = min: 490 mm B = max: 970 mm C = max: 1480 mm D = max: 1000 mm Navor obračanja: 1250 Nm Nagibni kot: 180° Nagibni moment: 8000 Nm

Stanje: dober (rabljeno), nosilnost: 250 kg, Oprema: nožno daljinsko upravljanje, Varilna vrtljiva miza Euen z nosilnostjo 250 kg s vpenjalnim vpenjalom. Višina v vodoravnem položaju: 940 mm. Višina pri nagibu do sredine: 770 mm. Dcsdpfxey Hl Hce Aplog

Stanje: dober (rabljeno), Funkcionalnost: popolnoma funkcionalen, nosilnost: 10.000 kg, Varilni obračalni stroj, 10 ton, nastavljiv po višini Višina vodoravno min. 1,3 m plus cca 0,6 m Višina nagnjeno min. 1,0 m plus cca 0,6 m Dolžina 2,5 m Širina 1,8 m Dodpfx Apoy Hl Eljlocg Premer vpenjalne plošče cca 1,9 m z daljinskim upravljalnikom Hitrost brezstopenjsko nastavljiva

Stanje: dober (rabljeno), Funkcionalnost: popolnoma funkcionalen, nosilnost: 3.000 kg, Oprema: nožno daljinsko upravljanje, Sideros Rotolift nosilnost 3000 kg Tehnično vse v redu, deluje brezhibno Mere: Višina vodoravno min. 0,72 m, višina vodoravno maks. 1,59 m Višina vertikalno min. 0,74 m, višina vertikalno maks. 1,54 m Dolžina 2,5 m, širina 1,0 m Dcsdpfx Apey Hl A Rsleg Premer 1,25 m

Stanje: rabljeno, Leto izdelave: 2006, Grelna naprava na lesne sekance Gilles, moč 145 kW, letnik 2006, vključno s polžnim podajalnikom s protipožarno zaščito povratnega plamena, vključno s transportnim polžem za gorivo in krmiljenjem, v dobrem stanju. Demontažo mora opraviti kupec. Naprava je na ravni tal in jo je mogoče izpeljati v enem kosu. Na voljo je viličar! Ni priloženo: – Izvoz iz bunkerja – Dimnik Dcjdpfx Apevgcwmjljg

Stanje: zelo dobro (rabljeno), Leto izdelave: 2007, številka stroja/vozila: 302/07, 100% optični selektor DIMAC MCV 4 Popolnoma delujoč Pripravljen za takojšnjo dostavo. Tehnične specifikacije: Kontrola razpok: MARPOSS 2 čelni telecentrični kameri 1 zgornja kamera Dimenzijska kontrola z dvojnim indeksiranim gibom (omogoča večjo hitrost s 360° kontrolo kosa) Sortira kose od M4x20 do M14x80 Nov računalnik s posodobljeno programsko opremo. Dcsdpfey Nx I Ejx Aplog Priložnost, ki je ne gre zamuditi! Na voljo za vsakršno testiranje.

Stanje: novo, Leto izdelave: 2025, Dolžina reza: 3200 mm Širina reza na vzdolžnem prislonu: 1250 mm Širina reza na prečnem prislonu: 3200 mm Globina reza: 125 mm Predrezkar: da Nastavitev višine žaginega lista: električna / NC krmiljenje Naklon žaginega lista: električen / NC krmiljenje Nastavitev vzdolžnega prislona: električna / NC krmiljenje Prikaz kota žaginega lista: digitalni Dcjdpjxzfwuefx Aplog Prikaz višine reza: digitalni Prikaz vzdolžnega prislona: digitalni Prikaz prečnega merila: digitalni Premer žaginega lista: 400 mm Moč motorja: 7 kW Motorna zavora: da / samodejna Priključek za odsesavanje: 80 mm in 120 mm Dolžina stroja: 3400 mm Širina stroja: 2000 mm Teža: 1025 kg

Stanje: rabljeno, Leto izdelave: 2017, številka stroja/vozila: LC611, Used Tetra Pak UHT System 5000 LPH Technical Specifications & Performance Data This Tetra Pak UHT System Steritherm (model VTIS C-4) is a robust, pre-owned processing unit designed to deliver consistent ultra-high-temperature processing for beverage production and industrial packaging operations. Engineered for high reliability and seamless integration with downstream filling and packaging equipment, it offers stable thermal performance and sanitary operation for modern beverage processing lines. Manufacturer: Tetra Pak Model: VTIS C-4 Steritherm Year of Manufacture: 2017 Capacity: 5000 L/h Maximum Process Temperature (indicative): up to 148 °C (according to inspected pressure section) Included in scope of supply: - Alfa Laval SHL-20 homogenizer (250 bar) - Alfa Laval H7-RC plate heat exchanger (198 L) - Pump station with Alfa Laval LKH-10 and LKH-107 pumps - ABB drive and CIP controller Design concept: Continuous UHT treatment with integrated homogenization and plate heat exchange Construction: Hygienic stainless-steel process components Advanced Automation & Control Systems The system features computer control for precise process management, ensuring stable time-temperature profiles and consistent product quality. Automated monitoring of key parameters helps reduce product losses and optimize energy consumption. Safety interlocks and measuring instruments ensure safe operation during heating, holding, and cooling phases. - Centralized computer control for process sequences and alarms - Integrated CIP controller for cleaning process optimization - Process instrumentation for pressure, temperature, and flow control - CE marking at the component level for included Alfa Laval equipment Integration in Production Lines Designed for seamless incorporation into a used filling line or new production layouts, this UHT system interfaces smoothly with upstream raw material handling as well as downstream filling and packaging equipment. Supports industrial packaging workflows for PET and glass bottling lines by delivering thermally processed product to fillers. - Inline compatibility with fillers, buffer tanks, and conveyors - Ideal for beverage production environments requiring continuous throughput of 5000 L/h - Flexible process connections for integration with existing pipelines and CIP loops - Suitable for upgrades to used installations or capacity expansions Machine Condition & Maintenance History Djdpfey Ef T Tjx Aplecg This unit is offered as an operational, used UHT system. Accessory components show evidence of professional maintenance, including a recent maintenance label on the Alfa Laval pump (dated 04/24) and inspection records for pressure-loaded parts. Operational status: fully functional Inspection labels present on pressure sections

Stanje: rabljeno, Ta invertni varilni aparat ARIA MMA-160 se prodaja na naši industrijski dražbi / dražbi strojev - čiščenje zalog, razprodaja, posamezni in razstavni kosi, preko spleta. Dcsdoy Hq U Ejpfx Aplog

Stanje: rabljeno, Leto izdelave: 2016, Funkcionalnost: popolnoma funkcionalen, številka stroja/vozila: R481.5.1284, vrsta vhodnega toka: Enosmerni tok, vhodna napetost: 400 V, dolžina ozemljitvenega kabla: 4.000 mm, vrsta hlajenja: voda, dolžina paketa cevi: 8.000 mm, varilna moč (maks.): 301 kVA, vrsta zaščite (IP koda): IP07, Ponujamo rabljeni Jäckle WIG 301 i DC varilni aparat, letnik 2016. Proizvajalec: Jäckle Model: WIG 301 i DC Leto izdelave: 2016 Način upravljanja: Inverter Izvor: Izdelano v Nemčiji Serijska številka: 00218 Certifikat: CE Razred zaščite: 1 Dodpsy H D Ryefx Aplocg Če imate vprašanja ali potrebujete več informacij, nam pišite ali nas pokličite.

Stanje: rabljeno, Leto izdelave: 1997, Tehnične podrobnosti: Premer vretena: 180 mm x-hod: 6.000 mm y-hod: 2.900 mm Skupna potrebna moč: 95 kW Približna masa stroja: 130 t z dodatki z-hod: 1.250 mm ram w-os: 1000 mm vreteno Izvlek nosilca: 1250 mm Mere nosilca: 450 x 450 mm Hod vrtalnega vretena: 1000 mm Število vrtljajev vrtalnega vretena: 920 1/min Vrtljiva miza, motorizirana: IOS 40 CNC, 2 osi B in V Vrtljiva miza: 3000 x 3500 mm Vrtljiva miza: CNC-IOS 40 NC mm brezstopenjsko nastavljivo, glede na premer: indeks 4x 90° - 360000 kotov = 0,001 stopinje mm Pomiki - prečni hod: vzdolžno 1230 mm Največja obremenitev vrtljive mize: 40 ton Vpenjalna plošča: 3 x 8000 x 2000 mm CNC ploščata vrtalna naprava, Dcedpfxjru Rfhs Aplsg Stroj je demontiran in shranjen. Drsna vodila vretenaste škatle so bila na novo prevlečena in stružena.

Leto izdelave: 2000, stanje: rabljeno, 10-hl professional brewhouse for sale, Caspary Item Description: A brewery operation is up for sale. Ideally suited for: • Brewpubs • Event gastronomy / event venues • Investors focused on regional beer concepts Brewhouse – Technical Data Manufacturer: Caspary Type: 10 hl Brewhouse Year of Manufacture: 2000 Version: Fully automatic Equipment: • 10 hl wort output • Touchscreen control • Mill approx. 300 kg/h • Grist hopper 250 kg • Pre-masher with gravity pipe • Water blending unit • Internal boiler (steam-heated) • Lauter tun with raker & spent grain discharge system • Whirlpool / hot water tank • Condensate treatment • Pneumatic valve technology • Stainless steel vessels with copper cladding Process scope: Fully automatic from mashing-in to end of wort boil (discharge of spent grains & hop dosing manual) The plant has recently been inspected for functionality by a specialized company. The report confirms that both the mechanical components and the peripheral equipment are in good condition. Pumps & Motors: Fully functional. Hardware/Vessels: Well maintained, no signs of mechanical damage due to standing. Electronics Check: The check found that the control computer currently does not boot. For someone with IT expertise or for operations planning to upgrade to a modern control system, this presents an ideal basis. Peripheral Equipment / Utilities: • Steam generator (electric) from Certuss Steam Generators incl. water treatment • Oil-free compressor by Atlas Copco • 2 pressure tanks • Chilled water tank with regulation • Complete stainless steel piping Conclusion Djdpoyypr Ajfx Apljcg Ideal for investors or brewers looking to start operations quickly without a long ramp-up phase.

Stanje: rabljeno, Leto izdelave: 2016, TECHNICAL DATA AXES Max. Workpiece Dimensions X-Y-Z mm: 3050 x 800 x 50 Min. Workpiece Dimensions X-Y-Z mm: 300 x 90 x 10 Working Area Drilling/Grooving mm: 0 x 800 / 0 x 800 X-Axis Stroke mm: 750 Max. Traverse Speed X-Y Axes m/min: 25 DRILLING UNIT Vertical Spindles: - Number: 7 (4X-4Y, one shared) Horizontal Spindles (along Y-axis): Dodpfjvvi I Rex Aplscg - Number: 2 (1+1) Horizontal Spindle (along X-axis): - Number: 1 Fixed Grooving Saw (Direction): X Saw Blade Diameter mm: 100 Max. Saw Blade Thickness mm: 5 Motor Power kW (HP): 1.5 (2) Spindle Speed rpm: 3350 Saw Blade Speed rpm: 4300 INSTALLATION Power Supply V (Hz): 380 / 400 (50/60) Installed Power kVA: 4.5 Compressed Air Requirement bar: 6 Compressed Air Consumption Nl/cycle: 90 Extraction Requirement m³/h: 1200 Extraction Air Speed m/sec: 20 Extraction Port Diameter mm: 80+80 F10L Drilling Unit Includes: - 7 independent vertical spindles - Drill holder D10 mm - Distance between spindles: 32 mm - 2 horizontal drilling heads: 1 in X direction with one drill, 1 double drilling head in Y direction (1 + 1 drill holder D10 mm) - Speed: 3350 rpm - 1 integrated saw unit in X (max. diameter 100 mm) - Saw blade speed: 4300 rpm - Motor power: 1.5 kW - Vertical pneumatic stroke per spindle: 70 mm - Horizontal pneumatic stroke of drilling unit Workpiece Positioning and Drive of the Working Unit A CNC-controlled vacuum suction cup clamps and positions the workpiece sequentially under the working unit during machining. Movement along the X and Y axes is via THK rails with transmission on reinforced toothed belts. Movement in the Z axis is pneumatic on ball bushing guides, with stops adjustable via the end position. Positioning of the working units is via DC motor technology and drives. CNC CONTROL The control system is specifically designed for use in drilling and milling machines. - CN - 7" color display with touchscreen - Alphanumeric keypad - Self-diagnosis and any faults or errors displayed in the operator's language Programming - Programmed via CN - Automatic optimization of drilling operations - Option for plate zero-point shift - Option to save and import drilling programs via USB dongle - Option to import drilling programs from external CAD-CAM software Configuration - User interface in the same language as the operating manual - Graphic display of aggregate configuration Vacuum Suction Cup "B-Power" vacuum suction cup with dual vacuum connection, recommended for highly porous panels (e.g., MDF light). Machine Operating Interface Software: Xilog Maestro USB Hardware and Software Requirements: - Operating system: Windows XP Professional (SP2), Windows Vista or Windows 7 - Processor: Intel compatible, 2GHz min.; multicore processor recommended - Memory: 1GB min., 2GB recommended - Free disk space: 5GB - Graphics card: OpenGL compatible (The package includes a DVD for installation and a USB key) Xilog Maestro Features Programming - Parametric, graphical programming - Supported programming with graphical and syntax aids for drilling operations - Ability to create and save machining macros Integrated Additional Functions - Self-diagnosis and error reporting in the operator's language - User interface in

Stanje: rabljeno, Leto izdelave: 2021, 6000 W pri 20°C vodi in 32°C sobni temperaturi Dimenzije (D/Š/V) 55 x 55 x 140 cm Lokacija skladišča: dobavitelj Dcjdpevvi E Ajfx Apleg

Stanje: rabljeno, Skupna višina 6500 mm, tloris 2000 x 2000 mm, postavitev na prostem. Kompaktna filtrirna serija, model PKFP – 1 element – 1,92 x 1,92. Filtrirni sistem z stresanjem, nadtlakovno delovanje. Dolžina filtrirne vreče 2500 mm, premer 180 mm, filtrirna površina 105 m². 2 ventilatorja za surovi zrak, 2 cevi (premer 300 mm). 1 x ventilator KT 300, moč 15 kW, zmogljivost 6361 m³/h, letnik 1999. 1 x ventilator S 25 / 300, moč 7,5 kW, zmogljivost 7400 m³/h, letnik 1993. 1 x transportni ventilator 6,1 kW, zmogljivost 57 m³/min, letnik 1996. Skupen volumenski pretok cca 14.000 m³/h. Briketirni stroj Höcker Polytechnik tip BrikStar C 3 - 12.1225, motor 3,0 kW, premer briket 65 mm okrogle, kapaciteta cca 40-45 kg/h, odvisno od specifične teže materiala. Lokacija skladišča: Nattheim. Dcodpfx Apsvviyteleg