Used Impak Tf 2K for sale (2,253)

Condition: excellent (used), Year of construction: 2009, functionality: fully functional, number of injections: 2, Here we offer, as a dealer in injection moulding machines, the following well-maintained used injection moulding machine: Of course, we also purchase well-maintained injection moulding machines manufactured from 2010 onwards. We have been a wholesaler of injection moulding machines for over 25 years. Manufacturer: Arburg Model: 520S 1600 290/70 – 2-component machine Year of manufacture: 2009, from first German owner - Total cycles: 12.3 million - Manual operation: 86,565 hours - Automatic operation: 78,099 hours Injection units (2K) Injection unit 1 – horizontal - 290 - Screw diameter: 25 mm - Shot volume: 71 cm³ Injection unit 2 – vertical - 70 - Screw diameter: 18 mm - Shot volume: 21 cm³ Clamping unit Mounting platens: 695 x 695 mm - Maximum platen distance: 925 mm - Opening stroke: 675 mm - Minimum mould height: 250 mm - Electric index rotation: present Extras Crodpfx Aoyzumzeb Dsg Hot runner / additional axes - 12-zone hot runner integrated - 3x core pulls - 2x blow-out functions → incl. actuation for needle shut-off - Various customer-specific inputs and outputs Interfaces / Communication - ALS - Connection for temperature control units - Connection for dryers Handling / Multilift H (6 kg) - 2x vacuum circuits - 5x double-acting gripper functions - Z-axis servo-driven, 800 mm stroke - C, G, X, and B axes pneumatically actuated - Various customer-specific inputs and outputs → incl. gripper monitoring Complete maintenance log for the past 3 years - Both injection units re-sealed by Arburg - Clamping unit completely re-sealed by Arburg - Accumulator bottles replaced by Arburg in 2020 Warranty Warranty valid until initial commissioning Loading/shipping Free loading onto buyer’s truck or free delivery (CPT) for reimbursement of freight costs Worldwide delivery Available ex stock in Hannover, Germany Information about our offered machines and company: - We only sell machines that we have purchased from active production, available from our warehouse in Hannover - All offered machines are inspected and tested before dismantling - We do NOT sell insolvency goods; we are NOT intermediaries dealing with third-party assets - All machines offered originate from successful companies where regular maintenance and care are a matter of course - All offered machines can be inspected at our warehouse

Condition: used, functionality: unexamined, Ferwood Code: RS0002835 - Manufacturer Code: SF57DRE90L4/TF/Z - Condition: Used - Functionality: Not tested - Compatible Machine: - If interested, we offer an overhaul service, please contact us. 42KG - 70X46X34 Crsdjyb Smqjpfx Ab Deg

Year of construction: 2020, condition: ready for operation (used), Offered is a Boy 100E 2K injection molding machine (year 2020, approx. 15160h) including Boy 2C XS unit, Boy LR5 handling (year 2020) as well as Dorner GAL-60 conveyor. 1000kN clamping force, 2-fold core pull, 2-fold air blast, 24mm screw (main unit) + 22mm screw (2K), fully enclosed, hydraulic ejector 42.7kN, OPC-UA & network interfaces, EUROMAP-67 robot interface, robot stroke X/Y/Z: 300mm/800mm/1500mm, conveyor 400mm width, 2m length. Viewing is possible upon arrangement. Csdpfx Abjxyk Snj Dsrg

Condition: new, Year of construction: 2025, functionality: fully functional, warranty duration: 12 months, The versatile all-rounder combines outstanding workmanship with a broad range of applications. Our machine also offers intuitive operation, optimizing your packaging processes. A high-quality unwind unit with double automatic roll centering ensures precise material guidance. Furthermore, our active material feed system guarantees optimal web tension for flawless packaging results. The highly efficient brushless motors and user-friendly color touchscreen control system provide maximum flexibility during format changes, significantly simplifying your packaging operations. The machine is equipped with memory storage for machine parameter settings and can save up to 50 different products. For this packaging line, we also offer fully and semi-automatic feeding solutions, which can be retrofitted upon request. The machine is available with either left- or right-hand operation and features a rotary cross-sealing unit with an electronic overload protection switch for maximum safety. Thanks to its performance, versatility, and technological advancement, our machine is ideally suited for packaging food products such as brioches, cakes, candies, pralines, chocolate, as well as pharmaceutical products and various gift items. If you are looking to optimize your packaging processes with high production capacity and superior quality, Impuls Packaging is your ideal partner. System features: Crsdpowld Upjfx Ab Deg 1. Chain conveyor belt 2.6 meters in length (other lengths available on request) 2. Adjustable bag former 3. Single film loader + automatic film centering device 4. Rotary end sealing, single sealing jaw 5. Robust central fin seal structure 6. Four servo drive controls - Active material feed shaft - Central sealing - End sealing - Conveyor belt 7. HMI control panel 8. Three individual temperature controllers 9. Housing made of stainless steel 304 10. Documentation in the local language 11. Print mark control 12. Programmable bag length or fully automatic product length detection 13. Standard direction: left to right Technical Parameters 1. Product length: L120–500 mm 2. Product width: W30–200 mm 3. Product height: H10–80 mm 4. Packaging speed: up to 100 products/min (depending on product, bag length, and material) 5. Maximum film width: 600 mm 6. Connection voltage: 1Ph. 220V 50Hz 7. General power: approx. 4.8 kW 8. Machine weight: approx. 550 kg 9. Machine dimensions: approx. 4280 x 1200 x 1230 mm

Condition: used, Year of construction: 2017, Descrewer / Decorker, make Rink, type: KM 740/2K, as crate-descrewer/-decorker, 2-head for screw cap 0,5 lt NRW in 20-bottle module crate, and 1 head for crown cap, built 2017 Cjdpfxoy Iz Aij Ab Derg

Condition: used, Year of construction: 2013, Machine design: Throughfeed Processing size in X direction: 1000 mm Processing size in Y direction: unlimited mm Processing thickness (Z dimension): 60 mm Number of main spindles: 1 unit Main spindle power: 3.3 kW Tool changer: No tool changer Rear wall groove units: fixed in Y direction Vertical drilling spindles - in X direction: 5 units Vertical drilling spindles - in Y direction: 5 units Spindle speed, vertical drilling spindle: 4000 rpm Csdpfx Abex Urnio Djrg Horizontal drilling spindle in X direction: 2 double spindles Horizontal drilling spindle in Y direction: 1 double spindle Spindle speed, horizontal drilling spindle: 4000 rpm Monitor size: 17" Control type: PC control Operating system: Windows XP Typewriter keyboard: Yes Mouse: Yes Programming system: Masterwork DXF interface: Yes Online connectivity possible: Yes CD-ROM drive: Yes Table version: fixed table with rollers Weight approx.: 1300 kg Dimensions: 2,200 x 2,470 x 1,590 mm Location: Customer site

Condition: excellent (used), functionality: fully functional, power: 114.74 kW (156.00 HP), fuel type: diesel, lifting power: 4,200 kg/m, lifting height: 7,000 mm, Year of construction: 2015, operating hours: 4,884 h, Equipment: additional headlights, all wheel drive, cabin, differential lock, onboard computer, pallet forks, trailer coupling, Telescopic handler MERLO TF 42.7 CS (TurboFarmer) Year of manufacture: 2015 According to the hour meter: 4,884 hours 156 hp Deutz engine Crjdpfx Abjzl T Upj Djg 40 km/h hydrostatic transmission 7-meter lifting height 4.2-ton lifting capacity - Including pallet fork - Additional circuit to the fork carriage - Hydraulic quick coupler - Hydraulic hitch at the rear - Cabin suspension - Floating position - Differential lock - Powerful machine for agriculture! - Optically and technically in top condition! - Including CE and COC! - Including all other documents! Selling price: €38,500 net (including pallet fork) New bucket or new work platform available at an extra cost! Affordable delivery also possible!

Condition: good (used), functionality: fully functional, power: 88.26 kW (120.00 HP), fuel type: diesel, lifting height: 7,000 mm, Year of construction: 2016, operating hours: 7,476 h, Equipment: cabin, pallet forks, Telescopic handler MERLO TF 35.7 (Turbofarmer) Csdpfx Aezufavob Dorg Year of manufacture: 2016 According to the hour meter: 7,476 hours 120 hp Deutz engine 40 km/h hydrostatic transmission 7-meter lifting height 3.5-ton lifting capacity - Includes pallet forks - Additional hydraulic circuit to the fork carriage - Hydraulic quick coupler - Tow hitch at the rear - Floating position for the lifting arm - Differential lock - Powerful machine for agriculture! - In excellent optical and technical condition! - Includes CE and COC certificates! - Includes all other documents! Selling price: 33,900.00 EUR net (including pallet forks) New bucket or new work platform available for an additional charge! Affordable delivery options are also available!

Condition: ready for operation (used), Year of construction: 1997, machine/vehicle number: RS 110-6-2 TF, functionality: fully functional, filter area: 660 m², total height: 10,400 mm, total length: 9,200 mm, total width: 2,500 mm, overall weight: 9,000 kg, Equipment: documentation/manual, Industrial Extraction System Venti Oelde, Spülluftfilter RS 110-6-2 TF, High-Performance System Airflow approx. 87,500 m³/h, 660 m² filtration area, year of manufacture 1997, incl. 3 high-performance fans, incl. ductwork, incl. air recirculation for approx. 70,000 m³/h, excl. spark extinguishing system. For sale is a powerful industrial extraction system by Venti Oelde, designed for an airflow of approx. 87,500 m³/h. The system has been in continuous operation and is suitable for use in larger industrial applications (e.g., wood processing, furniture manufacturing, operations with high chip and dust volumes). 👉 This is a complete central extraction system, not a standalone unit! Key Technical Data (excerpt) - Airflow: approx. 87,500 m³/h - Configuration: Central extraction - Year of manufacture: approx. 1997 - Application area: Industry / continuous duty - Robust steel construction - Built for heavy-duty continuous operation Scope of Delivery - Filtration system - Fans - Ductwork - Air recirculation unit - Steel frame / support structure Condition - System was operational until recently - Used, age-related, but solid industrial build quality - Inspection is explicitly encouraged Special Features - Very high air capacity – ideal for large-scale production facilities - Immediately available – no long lead times as with new systems - Heavy-duty construction – durable industrial technology - Attractive alternative to costly new installations - Dismantling support can be organized at extra cost!!!! The offered machine is sold as a used system. Sale is conducted with exclusion of any liability for material defects. The machine is sold as inspected and excluding any warranties. The seller accepts no guarantee regarding the functionality, performance, or suitability for any particular purpose. Disclaimer All liability for material defects is excluded. This does not apply to damages arising from injury to life, body, or health, or in cases of intentional or grossly negligent conduct by the seller. Dismantling and Transport Dismantling of the system is to be undertaken by the buyer at their own risk and expense. The buyer is responsible for all costs and risks associated with dismantling, loading, and transport. Transfer of Risk The risk passes to the buyer at the latest upon commencement of dismantling and/or loading. Other Information No liability is accepted for hidden defects. All information regarding the machine (e.g., year of manufacture, operating hours, technical data) is given to the best of our knowledge but without guarantee. Csdpfxsywflas Ab Dsrg

Condition: like new (used), Year of construction: 2019, functionality: fully functional, SCM TF130ps Undercut Spindle Moulder Spindle diameter: 40mm Longitudinal carriage in the worktable Total spindle length: 180mm Main motor power: 7kW Spindle speed change via belt drive: 3000/4500/6000/7000/10000 rpm Spindle rotation: left and right Crodpfjzlw Rnjx Ab Deg Manual spindle lifting Technical documentation Year of manufacture: 2019

Condition: used, Year of construction: 2000, Used Machine Year of manufacture: 2000 Features and Technical Specifications: - For vertical edge processing with edge thicknesses up to 3 mm - With automatic milling feed - With base frame - Electrical connection: 230 V - Compressed air connection: min. 6 bar Crodpfjzw N Eusx Ab Deg - Workpiece thickness: max. 45 mm - Tool: r = 2.5 or r = 3

Condition: used, axle configuration: 3 axles, first registration: 03/1992, color: other, Year of construction: 1992, Empty weight: 4.600 kg Axle 1: left 6 mm right 7 mm Cjdpfxezt R Rde Ab Djrg Axle 2: left 7 mm right 6 mm Axle 3: left 6 mm right 6 mm We have the possibility to stack trailers!

Condition: new, functionality: fully functional, Features of the system 1. Chain conveyor, 2.9 meters in length (other lengths available upon request) 2. Two custom-made forming shoulders with a fixed shape, adapted to the product dimensions 3. Single film loader + Automatic film centering device 4. End sealing unit, box motion, single sealing jaw 5. Robust, medium fin sealing structure 6. Eight servo-controlled drives 7. HMI control panel 8. Four individual temperature controllers 9. Housing made of stainless steel 304 10. Documentation in the local language 11. Print mark control 12. Bag length programmable 13. Standard running direction: left to right Technical parameters 1. Product length: L120-600mm 2. Product width: B70-250mm 3. Product height: H20-120mm 4. Packaging speed: up to 60 products/min (depending on product, bag length, and material) Crsdpfxjk Dz Hwj Ab Dsg 5. Maximum film width: 600 mm 6. Connection voltage: 1 phase, 220V 50Hz 7. Total power consumption: approx. 8.8 kW 8. Machine weight: approx. 1100 kg 9. Machine dimensions: approx. 4500 x 1070 x 1590 mm

Condition: like new (used), Year of construction: 2023, functionality: fully functional, 4 Wagner TWINCONTROL 2k paint application systems, color spraying systems 2 x low-pressure systems, used only once for testing purposes 2 x Airmix systems, little used, in new condition Each system consists of 3 piston pumps: 1 x for the base component 1 x for the hardener component 1 x for flushing with accessories On request, also available with stainless steel storage tanks with agitator, 2 x new, 2 x demonstration units Can also be purchased separately Ideal for series production and automation EX version, as it operates only with compressed air Purchase or lease takeover possible Credozk A H Eopfx Ab Deg See also document in the appendix (designations) Price description: Two systems always belong together. One system for priming, one system for painting. 1. Twin Control low-pressure (AirCode), either sales price 59,000 euros or lease takeover 1,530 euros/month + 17,000 euros takeover 2. Twin Control high-pressure (Airmix), either sales price 62,000 euros or lease takeover 1,535 euros/month + 19,000 euros takeover Lease takeover subject to: Agreement from the leasing company 3. Stainless steel storage tanks (2 new) with agitator, sales price 3,200 euros 4. Stainless steel storage tanks (2 used) with agitator, sales price 2,400 euros If the complete package is taken over, the price is negotiable.

Condition: used, Year of construction: 2020, functionality: fully functional, - Milling spindle 2 x 3.5 kW - Upper and lower drilling heads - Dado saw - Barcode reader Used machining center Manufacturer: Masterwood Type: MasterDrill TF 600 SA Year of manufacture: 2020 With the TF 600 SA machining center, panels can be processed one after the other in various sizes without interruption from all 6 sides. The workpieces are transported along the X-axis by means of two independent grippers. The grippers are NC-controlled and also serve as a reference stop for aligning the workpieces. They are also equipped with a device for automatic measurement of the workpiece thickness. Max. feed rate of the grippers: 130 m/min. Minimum and maximum workpiece dimensions: - Workpiece thickness: 8 ~ 60 mm - Workpiece length: 400 ~ 2500 mm - Workpiece width: 400 ~ 950 mm Drilling heads: - The drilling heads are manufactured in one piece from an aluminum alloy. Two drilling heads process the workpiece from above, one from below. This drilling head arrangement makes the TF 600 SA a versatile machine with high drilling performance. Upper drilling heads: - Vertical drills in X direction: 7+7 - Vertical drills in Y direction: 5+5 - Horizontal drills in X direction: 2x2 + 2+2 - Horizontal drills in Y direction: 2+2 Lower drilling head: - Vertical drills: 3x3 Dado saw: - A dado saw mounted on the upper drilling head near the stop allows grooves to be cut in the X direction (maximum diameter of the saw blade = 125 mm). Grooves can be cut from a minimum of 55 mm and a maximum of 850 mm. Milling spindle 2 x 3.5 kW: Technical data: - Maximum power: 3.5 kW - Maximum speed: 18,000 rpm - Clockwise/counterclockwise rotation - Operation via inverter - Tool holder ER 25 - Air cooling The positioning accuracy of the units is +/- 1/10 mm Crjdpfxjzux T Ne Ab Dsg Automatic workpiece discharge: Motorized conveyor belt with sensor control. CNC and software: - The machine table is fully controlled by NC and guarantees continuous fixing of the panels in all working positions. All movements are designed to enable the widest possible support surface on the workpiece. Clamping devices are activated depending on the work unit. The table is equipped with an NC-controlled side alignment device, which ensures perfect alignment of the workpiece panel. Masterwork: - Masterwork enables the machine operator to quickly and easily program. The software can import the most important data formats such as DCF and XML. Master Drill: Human-machine interface for managing operational activities (maintenance/setup). Trepan: An interface that the operator uses for manual and setup operations. Barcode reader: - Motorized roller conveyor for feeding workpieces into the infeed. - CAM start software package for Masterwood TF 600 SA - Automatic barcode scanner at the infeed Note: The technical data and descriptions are transcripts from the original order confirmation. Data is for informational purposes only and is not binding.

Condition: used, Year of construction: 1999, total length: 1,000 mm, total width: 2,040 mm, total height: 1,710 mm, Colour: Grey Empty weight: 900 kg - Year: 1999 - Documentation available: No - CE certificate present: No - Serial number: 126-02049 - Main motor power [kW]: 7.8 - Spindle diameter [mm]: 40 - Table length [mm]: 1990 - Max. tool diameter milling head [mm]: 180 - Feeding device present: Yes - Brand: Holz-her - Number of wheels [pcs]: 3 - Number of speeds: 2 - Voltage [V]: 380 - Current consumption [A]: 12 Crodswnigcopfx Ab Dsg - Power [kW]: 6.2 - Transport dimensions: 1000mm x 2040mm x 1710mm (l x w x h) - Transport weight [kg]: 900kg - 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

Year of construction: 1991, operating hours: 19,888 h, condition: ready for operation (used), functionality: fully functional, machine/vehicle number: 1.844, MACHINE DETAILS Crjdpfxezxcl Rj Ab Dsg Control system: CNC Operating hours: 19,888 h

Condition: good (used), Year of construction: 2007, operating hours: 47,963 h, functionality: fully functional, clamping force: 200 kN, For sale is an injection molding machine of the brand KraussMaffei and the type KM 200-220/220 CZ Multinject The machine is in a fully functional and well-maintained condition Technical data Year of construction: 2007 Clamping force: 200 t Aggregates: 2 Automatic hours: 47 963 Csdpjrvimbofx Ab Dsrg Dimensions: 5200*2200*2700 mm Weight: 11,500 kg Further technical data will follow shortly Offer refers only to the machine, the peripherals shown in the pictures are not part of the offer On request, loading and transport (Europe-wide) can be organized for an additional charge. Prices plus VAT Viewing possible by appointment. Please contact us, our team will be happy to help you. Trade-in or exchange possible! Machines purchase / sale PURCHASE / SALE OF PRODUCTION & METALWORKING MACHINES AND MUCH MORE. Do you need a high-quality but inexpensive metalworking machine for your production? Or do you want to sell yours? For further information or contact options, please visit our website

Year of construction: 2011, condition: ready for operation (used), A horizontal dual-head corner cleaning machine Stürtz for the simultaneous machining of two 90° internal and external corners on welded plastic windows is available. Tool stations top/bottom: 8/8, min. product dimensions X/Y without mullion machining: 320mm/370mm, min. product dimensions X/Y with mullion machining: 640mm/370mm, min. frame internal dimension X/Y: 180mm/180mm, max. frame dimensions X/Y: 4000mm/3000mm, installation depth range: 30mm-135mm, profile visible width range: 25mm-120mm, equipment: 4 gasket groove drilling units/4 internal corner measuring devices/4 shadow groove cutters/2 external contour units. Including various accessories and tools. Documentation available. An inspection on site is possible. Csdsyn N Apopfx Ab Derg

Condition: used, Year of construction: 2018, Koppelmodul / Couple Box Heidelberg TH-TF-THBaujahr / Year 2018 - Serial-No. 0-03679 Crsdsl I Nlmjpfx Ab Djg Koppelmodul für / Couple Box for Heidelberg TH-TF-TH MCT - DCT 500 - MCT Online-Video-Inspection by Skype-Video We would be very pleased with your visit - more machines on Stock Available Immediately - Can be inspect On Stock Emskirchen / Nürnberg - Can be test

Condition: used, mileage: 523,959 km, power: 350 kW (475.87 HP), first registration: 05/2015, fuel type: diesel, overall weight: 18,000 kg, axle configuration: 2 axles, brakes: retarder, color: red, gearing type: automatic, emission class: euro6, Year of construction: 2015, Equipment: ABS, air conditioning, all wheel drive, electronic stability program (ESP), soot filter, Equipment: * Body/Superstructure: LOF semi-trailer tractor unit, * Cab: M ClassicSpace, * Cab: Width 2.30 m, * HAD 4x4 Hydraulic Auxiliary Drive, * Driver's seat: Comfort suspension seat, * External sun visor, * Alloy wheels, * Auxiliary drive MB 131-2c, * Transmission: 12-speed - Type: G 281-12, Crodpfx Abszwrths Djg * Fuel tank: 290 liters, steel, * 2-circuit hydraulic system Technical features: * Audio system: Radio (Bluetooth), * Illuminated Mercedes star, * Rotating beacon, left/right, * Electrically adjustable and heated exterior mirrors, * Additional headlights Safety/Environment: * Retarder, * ABS/ASR * Rear axle differential lock, * Emission standard EURO 6, Other: * Suspension: Leaf spring / Air suspension, * Engine 12.8 liters - 350 kW R6 Diesel (OM 471), * Wheelbase 3600 mm, * Permissible total weight 18.00 t * LOF approval 90 km/h * COC document available, Since 1972, we have been your reliable partner for everything related to automobiles/commercial vehicles in 28832 Achim, near the Bremen motorway junction. The Behnke Commercial Vehicle Center continuously offers approximately 200 vehicles from the areas of vans, commercial vehicles, and construction machinery! We offer you attractive financing options at favorable special conditions. If you are interested, we will gladly prepare an individual offer for you! We are interested in taking your commercial vehicle/construction machine in part exchange. If a new TÜV (technical inspection) is desired, we will be happy to provide you with an offer from our partner workshops. Our offer generally does not include a new TÜV inspection. Delivery of your "new" commercial vehicle is possible through our external partners for an additional charge. The information provided in advertisements, on the internet, on price tags, and in images are non-binding descriptions and do not constitute guaranteed characteristics. The seller assumes no liability/warranty for typing and data transmission errors. Listed equipment may need to be checked separately. Errors and prior sale are reserved.

Condition: excellent (used), functionality: fully functional, input voltage: 400 V, year of last overhaul: 2024, type of input current: three-phase, Tabletop fat frying machine Pelion TF20 Stainless steel design Csdezrrq Aspfx Ab Djrg 2 frying baskets with drip tray in the steam hood Fat tank heating, manually adjustable up to 200°C Output approx. 200 pieces/hour Connection 400V, 16A-CEE plug Used machine Visit us!

Condition: ready for operation (used), Wittenstein alpha SP 180X-MC1-7-0M1-2K planetary gearbox, serial number as per photo, used, normal signs of use, 100% functional, scope of delivery as per photos Credjzu Hxmjpfx Ab Dsg

Condition: ready for operation (used), Year of construction: 2021, functionality: fully functional, overall weight: 1,298 kg, load capacity: 120 kg, arm reach: 3,900 mm, controller manufacturer: KUKA, number of axes: 6, No minimum price – guaranteed sale to the highest bidder! TECHNICAL DETAILS Axles: 6 Load capacity: 120 kg Reach: 3,900 mm Availability: 99.9% Csdpfxszg Dz No Ab Dsrg MACHINE DETAILS Robot controller: KUKA Controller protection class: IP54 Robot protection class: IP64 Robot base height: 1,500 mm Weight: 1,298 kg

Condition: excellent (used), Year of construction: 2020, Gear motor, electric motor, electric gear motor, stainless steel motor, stainless steel gear motor, stainless steel bevel gear motor, permanent magnet synchronous motor -Manufacturer: Bauer, adjustable stainless steel gear motor -Note: Frequency converter required -Type. SNFA5E09XA4-TF/VA-TM -Engine: speed 150-1500 rpm -Power: 1.1 kW -Hollow shaft: Ø 38 x 1750 mm -Protection class: IP65 Cjdpfx Ajrqinmsb Dorg -Dimensions: 645/200/H220 mm -Weight: 53 kg