Used Arburg 420 for sale (311)

Condition: excellent (used), Year of construction: 2012, operating hours: 38,000 h, functionality: fully functional, clamping force: 2,500 kN, screw diameter: 50 mm, clearance between the columns: 630 mm, displacement volume: 392 cm³, injection pressure: 2 bar, ejector force: 225 N, ejector stroke: 90 mm, plate length: 900 mm, plate width: 900 mm, total length: 6,400 mm, total width: 1,950 mm, total height: 2,210 mm, overall weight: 12,140 kg, type of input current: three-phase, input frequency: 50 Hz, input voltage: 400 V, clear span: 900 mm, Equipment: documentation/manual, clamping force: 2500 kN distance between tie-bars h x v: 630 x 630 mm size of mould plates h x v: 900 x 900 mm min. mould height: 300 mm max. mould height: 700 mm max. open daylight: 900 mm opening stroke: 600 mm screw diameter: 50 mm swept volume: 392 ccm injection pressure: 2000 bar equipment included: screen text german CEE-socket 16A CompactFlash interface for data storage core pulling hydraulically 1x air valve 2x machine incl. water flow regulator Hedpfx Aajxf Hy Secsnu machine without material hopper machine without hopper loader Anti vibration mounts interface EUROMAP 67 interface OPC Schuko-socket 10A selection unit measures of machine l x w x h: 6.4m x 1.95m x 2.21m total weight: 12140KG

Condition: ready for operation (used), Year of construction: 2019, Injection Unit Screw diameter 35 mm Hedpfexllnzjx Aacenu Clamping Unit Clamping force 150 t This Arburg 520 H was manufactured in 2019. It features a clamping force of 150 tons, tiebar spacing of 520x520 mm, and a screw diameter of 35 mm. It includes a selecting unit and a single platen design. Consider the opportunity to buy this Arburg 520 H hydraulic injection moulding machine. Contact us for more information. Application Types Injection Moulding

Condition: excellent (used), Year of construction: 2021, functionality: fully functional, Arburg Allrounder 630A Multi Component Plastics Injection Moulding Cell (2021) with Inspection & SAR Automation with SAR workpiece full tray infeed and empty tray return Epson LS10-B803S take off robot Kist + Escherish cleaning station with Wanderes air brush Kuka Cybertech 2 series robot with 2x tool stands & controller Arburg Allrounder 630A 2500-800/400 L2, 2500kN clamp force multi-component plastics injection moulding machine (2021) including 800 horizontal injection unit and 400 vertical injection units Helios Jetboxx WINsystem Turbo 50-75 stand alone dryer and trolley 2x Epson G10-451S placing robots with controllers Workpiece placing stand Rotary inspection table with camera, laser & Keyence scanner stations Kist + Escherich cleaning station and Wanderes air brush SAR workpiece full tray outfeed and empty tray return Hedoxlgxuspfx Aacsnu ESTA Dustomat 16M mobile dust extractor (2022)

Condition: used, Year of construction: 2012, clamping force: 320 kN, displacement volume: 154 cm³, injection pressure: 2,500 bar, overall weight: 14,500 kg, load hours: 69,990 h, screw conveyor diameter: 35 mm, terms of delivery: FCA Pegnitz Hnedpfx Aexl Hi Tsaceu delivery time: on request terms of payment: 100% prior to delivery

Condition: good (used), Year of construction: 2002, Selling this machine, immediately available. For further details, see the pictures. Hnodoxl Tz Aspfx Aacou

Condition: excellent (used), Year of construction: 2017, ARBURG A 1500 T 1600-170 Drehtisch (28.900 h) (S&P 3780) Manufacture year: 2017 Operating hours: 28,900 Stunden Screw: 30 mm Injection pressure: 2000 bar Stroke volume: 85 cm³ Clamping Force: 160 t Tie bar distance: 1500 Tischdurchmesser mm Mould installation height min.: 400 mm Hedpfxoxnyxmo Aacjnu Plate distance max.: 700 mm Dimensions: 4600 x 2100 x 2400 mm Eeight: 11350 kg Connected load: 18,5 + 9,4 = 27,9 kW 2 station rotary table, 4 x corepuller, 1 x airvalve, 9 x hotrunner etc...price when new approx. 250.000,- Euro price: on request contact: Mr. Ralf Schulz

Condition: good (used), Year of construction: 2010, operating hours: 72,154 h, functionality: fully functional, clamping force: 800 kN, screw diameter: 25 mm, warehouse no.: 503576 manufacturer: ARBURG type: Allrounder 900 T 800-150 controller: year of construction: 2010 operation hours: 72154 h clamping force: 800 kN distance between tie-bars h x v: 900 x 900 mm min. mould height: 250 mm max. open daylight: 550 mm opening stroke: 300 mm round table diameter: 900 mm screw diameter: 25 mm swept volume: 54 ccm injection pressure: 2500 bar equipment included: Hnsdpfx Aaoxf Hvtoceu screen text german air valve 1x machine with rotary index table machine incl. water flow regulator Anti vibration mounts Operation Data Acquisition measures of machine l x w x h: 3.8m x 1.85m x 2.15m total weight: 5000KG

Condition: ready for operation (used), Year of construction: 2014, operating hours: 18,612 h, Injection Unit Screw diameter 35 mm Clamping Unit Clamping force 150 t Hsdpexllkvofx Aacsnu This Arburg 520 H 1500-400 was manufactured in 2014. It features a closing force of 150 tons and a screw diameter of 35mm, suitable for precision hydraulic injection moulding. Operating on 400V, it has a total connected load of 89 kW. Consider the opportunity to buy this Arburg 520 H 1500-400 hydraulic injection moulding machine. Contact us for more information. Application Types Injection Moulding

Condition: excellent (used), Year of construction: 2010, operating hours: 75,942 h, functionality: fully functional, machine/vehicle number: 213141, clamping force: 400 kN, screw diameter: 18 mm, clearance between the columns: 270 mm, Equipment: documentation/manual, As an injection molding machine dealer, we offer the following well-maintained used injection molding machine. Of course, we also purchase well-maintained injection molding machines, models currently manufactured in 2010 or later. We have been a wholesaler of injection molding machines for over 25 years. Manufacturer: Arburg Type: 270C 400-70 Control unit: Selogica Year of manufacture: 2010 Operating hours: 75,942 h Machine number: 213141 Extras - Robot interface - Highly wear-resistant screw - CF drive - Complete documentation and software (on CF card) - Separation gate German language - From first owner - Made in Germany Continuous maintenance by the manufacturer and previous owner Clamping unit Clamping force: 400 kN / 40 t Tie-bar spacing: 270 x 270 mm Clamping platens: 446 x 446 mm Opening stroke: 350 mm Mold height: 200 mm min. Distance between platens max. 550 mm Ejector stroke: 125 mm Ejector force: 30 kN max. Hodpfx Aowfua Aoaconu Injection unit Screw diameter: 18 mm Injection volume: 23 cc Shot weight: 21 g Injection pressure: 2500 bar Electrical system Pump: 11 kW Heating: 4 zones, 4 kW Installed power: 15 kW Pre-fuse: 50 A Weight: 2150 kg Warranty Warranty until first use Loading/Shipping Free loading onto the buyer's truck or free delivery against freight reimbursement Available from our Hanover/Germany warehouse Information about the machines we offer and our company - We only sell our own machines purchased from ongoing production from our Hanover warehouse - All machines offered are inspected and tested before dismantling - We do NOT sell insolvency goods - We are NOT an agent dealing with third-party property. - All machines offered come from successful companies for whom maintenance and care are a matter of course - All machines offered can be inspected in our warehouse

Condition: excellent (used), Year of construction: 2007, operating hours: 62,680 h, functionality: fully functional, clamping force: 1,500 kN, screw diameter: 45 mm, clearance between the columns: 470 mm, displacement volume: 254 cm³, injection pressure: 1,580 bar, injection weight: 232 g, mold height (min.): 250 mm, opening stroke: 500 mm, heating capacity: 28.7 kW (39.02 HP), Arburg 470C-1500-400 (250) injection molding machine with sorting flap Number: 250 Availability: in stock Year of production: 2007 Producer: Arburg Screw diameter [mm]: 45 Injection weight [g]: 232 Injection pressure [bar]: 1580 Closing force [kN]: 1500 Column spacing [mm]: 470 x 470 Plate size [mm]: 650 x 650 Min. mold height [mm]: 250 Control type: Selogica Language: german Installed power [kW]: 28.7 Working hours [h]: 62680 Weight [kg]: 4900 Dimensions [mm]: 4500 x 1700 Feed hopper: NO Hodpfexnazhox Aacsnu

Condition: good (used), 1x used Arburg 370U 500-170 Hnsdpexl Tzcofx Aaceu With Multilift Immediately available!

Condition: good (used), Year of construction: 2004, On request and for an additional charge, loading and transport (throughout Europe) can be arranged. All prices include VAT. Viewing is possible by appointment. Please contact us—our team will be happy to assist you. Trade-in or exchange is possible! Hnedexirqqspfx Aacju Phone: Mobile: (also via WhatsApp) Web: Machinery Purchase / Sale PURCHASE / SALE OF PRODUCTION & METALWORKING MACHINES AND MORE. Do you need a high-quality yet affordable metalworking machine for your production? Or are you looking to sell yours? For further information or contact options, please visit our website.

Condition: good (used), Year of construction: 2013, operating hours: 36,163 h, functionality: fully functional, clamping force: 500 kN, screw diameter: 25 mm, warehouse no.: 503615 manufacturer: ARBURG type: Allrounder 375 V 500-170 controller: Selogica-direkt year of construction: 2013 operation hours: 36163 h technical data clamping unit clamping force: 500 kN min. mould height: 200 mm max. mould height: 550 mm max. open daylight: 302 mm opening stroke: 225 mm round table diameter: 900 mm screw diameter: 25 mm swept volume: 59 ccm injection pressure: 2500 bar equipment included: screen text german rotary table Anti vibration mounts measures of machine l x w x h: 2.524m x 1.48m x 3.53m total weight: 3111KG Hedpfxsxf E Tds Aaconu

Condition: ready for operation (used), Year of construction: 2010, Injection Unit Screw diameter 25 mm Clamping Unit Clamping force 80 t This Arburg 470 S 800-170 was manufactured in 2010. A hydraulic injection moulding machine featuring a clamping force of 80 tons and tiebar spacing of 470x470 mm. It operates on 400 V 3~ 50 Hz with a total connected load of 76 kW. Consider the opportunity to buy this Arburg 470 S 800-170 hydraulic injection moulding machine. Contact us for more information. Hnedpfx Aajxlln Ijcou Application Types Injection Moulding

Condition: like new (used), Year of construction: 2007, operating hours: 58,263 h, functionality: fully functional, machine/vehicle number: 203130, screw diameter: 25 mm, displacement volume: 59 cm³, injection weight: 54 g, Equipment: documentation/manual, As an injection molding machine dealer, we offer the following well-maintained used injection molding machine. Of course, we also purchase well-maintained injection molding machines, models from 2010 onwards. We have been a wholesaler of injection molding machines for over 25 years. Manufacturer: Arburg Type: 320C 500-170 Serial Number: 203130 Year of Manufacture: 2007 Operating Hours: 58,263 h Dimensions: L/W/H: 3.12 x 1.43 x 1.99 Weight: 2300 kg Fully functional Condition very well maintained Extras Handling interface Thermoplastic screw/barrel 25 mm, highly wear-resistant Selogica control system Injection unit Screw diameter 25 mm Injection weight 54 g/hp Injection pressure 2500 bar Injection volume 59 cc Hedpfov U Tl Djx Aacjnu Clamping unit Clamping force 50 t/500 kN Tiebar spacing 320 x 320 mm Clamping platens 446 x 446 mm Mold installation height 200 mm Maximum spacing between platens 550 mm Ejector stroke/force 125 mm/30 kN Clamping unit hydraulic Motor power 11 KW Heating power 9.4 KW Total power 21 KW The machine is immediately available from our warehouse in Hanover, Germany, and has been tested. Extras: - Robot interface - Highly wear-resistant screw - CF drive - Complete documentation and software (on CF card) German language - From first owner - Made in Germany Constant maintenance by the manufacturer and previous owner Warranty Warranty until first commissioning Loading/Shipping Free loading onto the buyer's truck or free delivery against freight reimbursement Available from our warehouse in Hanover, Germany Information about the machines we offer and our company - We only sell our own machines purchased from ongoing production from our warehouse in Hanover - All machines offered are inspected and tested before dismantling - We do NOT sell insolvency goods - we are NOT an agent dealing with third-party property. - All machines offered come from successful companies for which maintenance and care are a matter of course - All machines offered can be viewed in our warehouse

Condition: good (used), Year of construction: 2009, 520 S 1600 - 290/290 Complete thermoplastic cylinder, 35 mm, highly wear-resistant Complete thermoplastic cylinder, 35 mm, highly wear-resistant, for 2nd injection unit Drive unit with 30 kW motor and 65 l/min pump delivery rate Accumulator module with 64 l storage capacity (max. 230 bar) Selogica direct control system Technology level: accumulator drive Multi-component processing 2nd injection unit 290 vertical Open nozzle 25 mm Open nozzle 35 mm Open nozzle 35 mm for 2nd injection unit Submerged nozzle tip for open nozzle Electrical and hydraulic actuation of NVD in mold for 1st injection unit Electrical and hydraulic actuation of NVD in mold for 2nd injection unit Heating band for open nozzle Heating band for open nozzle for 2nd injection unit Heating/cooling jacket for open nozzle Variable clamping plate set, Ø 125 mm Minimum installation height expanded to 450 mm Blow-out unit 1 with pressure reducer Selection unit incl. connection Ejector pressure P/Q controlled (prerequisite: T2) Core pull 1, parallel movement P/Q controlled, programmable Core pull 2, parallel movement P/Q controlled, programmable Electric core pull control 1 (prerequisite: VE 436/00) Top guard open, increased to safety dimension Start-up inspection hydraulic accumulator Continuous oil cooling and filtration Increased cooling capacity Parting plane device on short supports for 2nd injection unit Hjdpfxexl Ty Ej Aaconu Nozzle contact force controlled, programmable for 1st injection unit Nozzle contact force controlled, programmable for 2nd injection unit Conveyor belt connection electric via socket combination Emergency stop interface 1 to 24-pole interface, 2-channel Emergency stop interface 2 to 24-pole interface, 2-channel Temperature release up to 450°C and reinforced cylinder heating Basic equipment for control of electric axes Host computer interface ARBURG 8 programmable digital inputs/outputs on terminal strip Interface for mold temperature control unit 20 mA Connection cable for REGLOPLAS temperature control unit Serial USB printer interface External PC keyboard with USB interface Additional floppy disk drive via USB interface CompactFlash interface for data set storage Operator authorization with chip card according to EUROMAP 65 Holder for PC keyboard with USB connection Injection with mold closed ("flying injection") 3 measurement circuits for mold temperature 15 electric heating control circuits for mold heating Device interface Start-up parameters Post-pressure switching channel 3 on fixed mold plate Interface for colouring unit LSR unit interface via 6-pin Harting connector Interface for colouring unit for 2nd injection unit Interface for vacuum control Vacuum control with vent function Vacuum monitoring via analog signal Vacuum unit 40 m³/h Kit for connecting mold to vacuum valve Interface for flow monitoring for cold runner system Energy monitoring and power consumption display 2 cooling water circuits laid to fixed mold plate 2 cooling water circuits laid to moving mold plate 4 manual cooling circuits Basic equipment for 2nd cooling water distributor (manual) 7 manual cooling circuits for 2nd water distributor Machine-related cooling circuits controlled Equipment package: advanced monitoring Equipment package: advanced movements Equipment package: production control Equipment package: optimization / operator aids Equipment package: quality assurance Equipment package: documentation aXw Control ScrewPilot for 1st injection unit aXw Control ScrewPilot for 2nd injection u

Condition: used, Year of construction: 1998, functionality: fully functional, warehouse no.: 503460 manufacturer: ARBURG type: Allrounder 1200 TS 400-150 controller: year of construction: 1998 clamping force: 400 kN min. mould height: 250 mm max. open daylight: 550 mm Hedpexf E Sysfx Aacsnu opening stroke: 300 mm round table diameter: 1200 mm screw diameter: 25 mm swept volume: 54 ccm injection pressure: 2500 bar equipment included: screen text german CEE-socket 16A rotary table Anti vibration mounts Schuko-socket 10A measures of machine l x w x h: 4.1m x 1.75m x 2.6m total weight: 8000KG

Condition: ready for operation (used), Year of construction: 2014, operating hours: 22,626 h, Injection Unit Screw diameter 25 mm Clamping Unit Clamping force 100t Hnsdpfx Asxizguoacou This Arburg 470 H 1000-170 was manufactured in 2014. A hydraulic injection moulding machine featuring a closing force of 100t and a screw diameter of 25mm. Operating on 400V 3∼, 50Hz with a total connected load of 75kW. Ideal for precision moulding applications. Contact us for more information about this machine. Application Types Injection Moulding

Condition: like new (used), Year of construction: 2008, operating hours: 72,967 h, functionality: fully functional, machine/vehicle number: 208574, Equipment: documentation/manual, Here we offer the following well-maintained used injection molding machine as an injection molding machine/trading dealer. Of course, we also purchase well-maintained injection molding machines from model year 2010 onwards. We have been wholesalers of injection molding machines for over 25 years. Manufacturer: Arburg Type: 270C 400-70 Control unit: Selogica Year of manufacture: 2008 Operating hours: 75,942 h Machine number: 208574 Extras - Robot interface - Highly wear-resistant screw - CF drive - Complete documentation and software (on CF card) - Separator valve German language - From first ownership – origin Germany Continuous maintenance by the manufacturer and previous owner Clamping unit Clamping force: 400 kN / 40 tons Tie bar distance: 270 x 270 mm Mounting plates: 446 x 446 mm Opening stroke: 350 mm Mold height: 200 mm min. Distance between plates max. 550 mm Ejector stroke: 125 mm Hsdpfx Ajwn Nr Eoacenu Ejector force: 30 kN max Injection unit Screw diameter: 18 mm Injection volume: 23 cc Shot weight: 21 g Injection pressure: 2500 bar Electric Pump: 11 KW Heating: 4 zones, 4 KW Installed power: 15 KW Circuit breaker: 50A Weight: 2150 kg. Warranty Warranty until first commissioning Loading/shipping Free loading on buyer's truck or free delivery to your door against freight reimbursement Available from our warehouse in Hannover / Germany For information about the machines we offer and our company: - We only sell our own machines, which we purchase from ongoing production from our warehouse in Hannover - All offered machines are checked and tested before removal - We do NOT sell insolvency goods - we are NOT brokers dealing in third-party property. - All machines offered come from successful companies where maintenance and care are a matter of course - All offered machines can be inspected at our warehouse

Condition: good (used), Year of construction: 2012, operating hours: 43,331 h, functionality: fully functional, clamping force: 2,500 kN, screw diameter: 45 mm, clearance between the columns: 630 mm, displacement volume: 318 cm³, injection pressure: 2,470 bar, warehouse no.: 503604 manufacturer: ARBURG type: Allrounder 630 S 2500-800 controller: Selogica year of construction: 2012 operation hours: 43331 h clamping force: 2500 kN distance between tie-bars h x v: 630 x 630 mm size of mould plates h x v: 900 x 900 mm min. mould height: 300 mm max. mould height: 700 mm max. open daylight: 1300 mm opening stroke: 600 mm screw diameter: 45 mm swept volume: 318 ccm injection pressure: 2470 bar Hnodpexfq Rnefx Aaceu equipment included screen text german core pulling hydraulically 2x machine incl. belt conveyor machine incl. Handling machine incl. safety fencing Anti vibration mounts measures of machine l x w x h: 6.12m x 2.25m x 2.21m total weight: 12200KG technical data robot-system handling type: Linearroboter manufacture: Arburg controller: Multilift year of construction: 2012 X axis: 400 mm Z axis: 1400 mm C axis rotation: 90 ° total weight: 450 kg

Condition: ready for operation (used), Year of construction: 2011, operating hours: 68,463 h, Injection Unit Screw diameter 35 mm Clamping Unit Clamping force 150 This Arburg 470 E 1000-700 was manufactured in 2011. A robust electrical injection moulding machine, it features a closing force of 100 tons and a screw diameter of 25mm. Operating on 400V 3∼, 50Hz with a total connected load of 78kW, it's designed for efficient performance. Consider the opportunity to buy this Arburg 470 E 1000-700 electrical injection moulding machine. Contact us for more information. Hedpexizf Dofx Aaconu Application Types Injection Moulding

Condition: excellent (used), Year of construction: 2012, operating hours: 40,226 h, machine/vehicle number: 221240, As an injection molding machine dealer, we offer the following well-maintained used injection molding machine. Of course, we also purchase well-maintained injection molding machines, models from 2010 onwards. We have been a wholesaler of injection molding machines for over 25 years. Manufacturer: Arburg Type: 370S 700-290 with vertical injection equipment Serial number: 221240 Year of manufacture: 2012 Operating hours: 40,226 h Control system: Selogica Dimensions (L/W/H): 3.92 x 1.45 x 2.02 m Weight: 3,300 kg Fully functional Condition very well maintained Extras Device for vertical injection 1 core pull circuit Additional heating band connection 5 free, manually controlled cooling circuits Air valve connection controlled via Selogica Equipment packages: Quality assurance, documentation, advanced monitoring, production control, etc. Flexible part chute. - Highly wear-resistant screw - CF drive - Complete documentation and software (on CF card) German language - From first owner - Made in Germany Constant maintenance by the manufacturer and previous owner Injection unit Screw diameter 40 mm Injection weight 172 g/hp Injection pressure 1530 bar Injection volume 188 cc Clamping unit Clamping force 70 t/700 kN Tiebar spacing 370 x 370 mm Clamping platens 510 x 510 mm Mold height 200 mm Maximum spacing between platens 600 mm Ejector stroke/force 125 mm/30 kN Hydraulic clamping unit Motor power 15 KW Heating power 7.7 KW - 5 zones Total power 23 KW Warranty Warranty until the first Commissioning Loading/Shipping Hnjdewg Tt Rspfx Aacju Free loading onto the buyer's truck or free delivery against freight reimbursement Available from our Hanover/Germany warehouse More pictures to follow Information about the machines we offer and our company - We only sell our own machines purchased from ongoing production from our Hanover warehouse - All machines offered are inspected and tested before dismantling - We do NOT sell insolvency goods - We are NOT an agent dealing with third-party property. - All machines offered come from successful companies for whom maintenance and care are a matter of course - All machines offered can be viewed in our warehouse

Condition: good (used), Year of construction: 2005, operating hours: 64,218 h, functionality: fully functional, clamping force: 2,000 kN, screw diameter: 50 mm, clearance between the columns: 520 mm, displacement volume: 392 cm³, injection pressure: 2,000 bar, warehouse no.: 503128 manufacturer: ARBURG type: Allrounder 520 C 2000-800 Hnjdoxfq Igjpfx Aacsu controller: Selogica year of construction: 2005 operation hours: 64218 h clamping force: 2000 kN distance between tie-bars h x v: 520 x 520 mm size of mould plates h x v: 728 x 728 mm min. mould height: 250 mm max. open daylight: 900 mm opening stroke: 650 mm screw diameter: 50 mm swept volume: 392 ccm injection pressure: 2000 bar equipment included screen text german CEE-socket 16A core pulling hydraulically 1x core pulling pneum. 1x air valve 1x machine incl. water flow regulator machine without material hopper Anti vibration mounts electric interface for handling units according to Euromap 12 interface for handling Schuko-socket 10A mould heating 12x measures of machine l x w x h: 5.45m x 1.95m x 2.1m total weight: 7300KG

Condition: ready for operation (used), Year of construction: 2013, operating hours: 54,526 h, Injection Unit Screw diameter 35mm Clamping Unit Clamping force 150t Injection Unit Hedpfxexizf Rj Aaconu Screw diameter 35mm Clamping Unit Clamping force 150t This Arburg 520 H 1500-400 was manufactured in 2013. A hydraulic injection moulding machine with a closing force of 150t and a screw diameter of 35mm, it operates on 400V 3∼, 50Hz with a total connected load of 89kW. Consider the opportunity to buy this Arburg 520 H 1500-400 hydraulic injection moulding machine. Contact us for more information. Application Types Injection Moulding

Condition: ready for operation (used), Year of construction: 2010, operating hours: 71,134 h, Injection Unit Screw diameter 30 mm Clamping Unit Clamping force 80 t This Arburg 470 A 800-170 was manufactured in 2010. A hydraulic injection moulding machine with a closing force of 80 tons and a screw diameter of 30mm. Operating on 400V 3~, 50Hz with a total connected load of 75kW. Consider the opportunity to buy this Arburg 470 A 800-170 hydraulic injection moulding machine. Contact us for more information. Application Types Hjdpfx Aoxirf Ioacjnu Injection Moulding