Used Injection Moulding Machines for sale (66,619)

Condition: used, Year of construction: 2020, operating hours: 4,200 h, clamping force: 90 kN, displacement volume: 113 cm³, injection pressure: 2,400 bar, overall weight: 7,500 kg, screw conveyor diameter: 30 mm, terms of delivery: EXW (ex Works) delivery time: on request terms of payment: 100% prior to delivery Ljdjv S H N Repfx Akysrn

Condition: used, Year of construction: 2005, operating hours: 81,700 h, clamping force: 45 kN, displacement volume: 69 cm³, injection pressure: 2,400 bar, overall weight: 3,300 kg, screw conveyor diameter: 25 mm, terms of delivery: EXW (ex Works) delivery time: on request terms of payment: % prior to delivery Manufacturer: Engel Type: VICTORY 200/45 Tech + er/usp Condition: aus laufender Produktion Lrsdpfxorbqtnj Akysn Operating hours: ca. 81.700 CLAMPING UNIT: - Clamping force: 45 t Öffnungsweg: 355 mm Mould installation height min.: 175 mm Mould installation height max.: - Tie bar distance (h x v): holmlos Plate dimension (h x v): 550 x 430 mm Centering (fix- movingplate): / mm INJECTION UNIT: IU200 Screw diameter: 25 mm Injection weight in polystyrol: 63 g Stroke volume: 69 cm³ Einspritzdruck: 2.400 bar CONTROL: CC Screen language: DE Operating manuel: DE EQUIPMENT: - Core pulls: 1 Air valves: - Hot runner control devices: - Robot interface: Angußpicker er/usp Other equipment: Nadelverschl. Hydr., Schnittstelle Dosier- und Temperiergerät GENERAL DATA: - Installed heating capacity: 6,8 kW Pump drive power: 11 kW Total installed power: Motor + Heizung Total weight: 3.300 kg Total size L x B x H: 3,3 x 1,2 x 2,2 m

Condition: used, Year of construction: 2019, clamping force: 700 kN, displacement volume: 3,691 cm³, injection pressure: 1,780 bar, overall weight: 34,000 kg, screw conveyor diameter: 100 mm, Freight basis: ex-site Lrodpfx Ajwc D T Hokyen Delivery time: by arrangement Payment terms: 100% before taking delivery of the machine, net

Year of construction: 2003, condition: ready for operation (used), Six Arburg injection molding machines are available. 1) Arburg 320C 600-250, year of manufacture: 2001, operating hours: 83365h, clamping force: 600kN, screw diameter: 30mm, shot weight: 97g, max. injection pressure: 2470bar, shot volume: 106cm³, centering: 125mm/125mm, max. opening stroke: 550mm, platen spacing: 550mm, platen dimensions X/Y: 446mm/446mm, tie bar spacing: 320mm/320mm, core pulls: 2, temperature control units: 6, machine dimensions X/Y: approx. 4000mm/2300mm. Including Multilift handling unit. 2) Arburg 420C 1000-250, year of manufacture: 2001, operating hours: 90769h, clamping force: 1000kN, screw diameter: 30mm, shot weight: 97g, max. injection pressure: 2470bar, shot volume: 106cm³, centering: 125mm/125mm, max. opening stroke: 750mm, platen spacing: 750mm, platen dimensions X/Y: 570mm/570mm, tie bar spacing: 420mm/420mm, core pulls: 2, machine dimensions X/Y: approx. 4700mm/2350mm. Including Multilift handling unit. 4) Arburg 320C 300-100, year of manufacture: 2000, operating hours: 78784h, clamping force: 300kN, screw diameter: 20mm, shot weight: 28g, max. injection pressure: 2500bar, shot volume: 31cm³, centering: 125mm/110mm, max. opening stroke: 350mm, platen spacing: 350mm, platen dimensions X/Y: 446mm/446mm, tie bar spacing: 320mm/320mm, core pulls: 1, temperature control units: 6. 5) Arburg 220C 250-60, year of manufacture: 2001, operating hours: 86595h, clamping force: 250kN, screw diameter: 22mm, shot weight: 27g, max. injection pressure: 2340bar, shot volume: 30cm³, centering: 110mm/110mm, max. opening stroke: 425mm, platen spacing: 425mm, platen dimensions X/Y: 400mm/400mm, tie bar spacing: 221mm/221mm, core pulls: 1, temperature control units: 6. 6) Arburg 270C 300-100, year of manufacture: 2007, operating hours: 59885h, clamping force: 300kN, screw diameter: 20mm, shot weight: 28g, max. injection pressure: 2500bar, shot volume: 31cm³, centering: 110mm/110mm, max. opening stroke: 550mm, platen spacing: 550mm, platen dimensions X/Y: 446mm/446mm, tie bar spacing: 270mm/270mm, core pulls: 2, temperature control units: 6, machine dimensions X/Y: approx. 3750mm/2400mm. Including Multilift handling unit. 7) Arburg 220S 250-60, year of manufacture: 2001, operating hours: 57504h, clamping force: 250kN, screw diameter: 18mm/22mm, shot weight: 18g/27g, max. injection pressure: 2500bar/2340bar, shot volume: 20cm³/30cm³, centering: 110mm/110mm, max. opening stroke: 425mm, platen spacing: 425mm, platen dimensions X/Y: 400mm/400mm, tie bar spacing: 221mm/221mm, core pulls: 1, temperature control units: 6, machine dimensions X/Y: approx. 3300mm/1100mm. Documentation available. An on-site inspection is possible. Lodpetyyn Hjfx Akyern

Year of construction: 1992, condition: ready for operation (used), An injection molding machine Dr. Boy is available. Clamping force: 500kN, tie-bar spacing: 305mm/305mm, platen dimensions X/Y: 500mm/500mm, max. opening stroke: 350mm, max. platen spacing: 600mm, min. mold height: 250mm, max. screw stroke: 120mm. Machine dimensions X/Y/Z: approx. 3450mm/1050mm/2000mm, weight: approx. 2050kg. The system has minor defects requiring repair. Documentation available. An on-site inspection is possible. Ledpfx Asyw Svfokyjrn

Condition: excellent (used), Year of construction: 2019, operating hours: 8,250 h, clamping force: 2,000 kN, screw diameter: 50 mm, displacement volume: 392 cm³, injection pressure: 2,000 bar, total length: 4,110 mm, total width: 2,650 mm, total height: 4,810 mm, overall weight: 22,000 kg, clamping force: 2000 kN size of mould plates h x v: 1772 x 800 mm min. mould height: 400 mm max. open daylight: 900 mm opening stroke: 500 mm round table diameter: 2000 mm screw diameter: 50 mm swept volume: 392 ccm injection pressure: 2000 bar equipment included rotary table screen text german screen text english CEE-socket 16A core pulling hydraulically 4x air valve 1x machine incl. water flow regulator machine without material hopper Anti vibration mounts interface robot EUROMAP 67 interface EUROMAP 73 interface OPC Lodoyv D T Tjpfx Akysrn measures of machine l x w x h: 4.11m x 2.65m x 4.81m total weight: 22000KG

Condition: excellent (used), Year of construction: 2012, operating hours: 34,000 h, clamping force: 800 kN, screw diameter: 45 mm, clearance between the columns: 420 mm, displacement volume: 318 cm³, injection pressure: 2,336 bar, plate width: 670 mm, plate height: 670 mm, overall weight: 3,900 kg, Equipment: documentation/manual, warehouse no.: 503569 manufacturer: KRAUSS MAFFEI type: KM 80-750 CX controller: MC6 year of construction: 2012 operation hours: 34000 h clamping force: 800 kN distance between tie-bars h x v: 420 x 420 mm size of mould plates h x v: 670 x 670 mm min. mould height: 250 mm max. mould height: 500 mm max. open daylight: 750 mm opening stroke: 500 mm screw diameter: 45 mm swept volume: 318 ccm injection pressure: 2336 bar equipment included: screen text german core pulling hydraulically 1x machine incl. Handling machine without belt conveyor machine without hopper loader Anti vibration mounts Ljdpfx Asyvz Izjkysrn technical data robot-system handling type: integrierter Linearroboter manufacture: Krauss Maffei controller: LRX 100 year of construction: 2012 handling weight: 10 kg operation hours: 3400 h X axis: 550 mm Y axis: 1200 mm Z axis: 1500 mm screen-text: deutsch measures of machine l x w x h: 4.5m x 1.5m x 2m total weight: 3900KG

Condition: reconditioned (used), clamping force: 500 kN, screw diameter: 38 mm, injection pressure: 1,341 bar, Awaiting refurbishment at our headquarters in Northamptonshire is this BOY 50M injection moulding machine. Any machines awaiting refurbishment with us can be reserved with a 10% deposit and we then prioritise the refurbishment and aim to have the machine available for inspection within 8 weeks from order. Refurbished machines from STV Machinery undergo a comprehensive test procedure during which every function of the machine is tested and if necessary repaired. A production run of at least 5000 fault free cycles prior to sign off ensures trouble free operation once delivered. Machines are ultra clean and cosmetically as good as we can get them. We guarantee our refurbs are delivered fault free and leak free. Lrodswfp Hkopfx Akyen Prices shown are ex-works, but we can quickly provide DAP (Delivered at Place) Incoterm pricing on request. We can take out the hassle and additional costs of purchasing machinery within the UK and EU. Contact us with a potential delivery address and we’ll do the rest.

Condition: reconditioned (used), Year of construction: 2002, functionality: fully functional, clamping force: 805 kN, screw diameter: 42 mm, injection weight: 172 g, Now fully refurbished by our team at STV Machinery in Wellingborough, Northamptonshire, is this high precision BOY 80M injection moulding machine. The BOY 80 is one of the most compact 80t clamp machines around, a great allrounder, fitted with the Procan 2 controller and 42mm diameter screw, which gives a shot weight of 179 (PS)g. Refurbished machines from STV Machinery undergo a comprehensive test procedure during which every function of the machine is tested and if necessary repaired. A production run of at least 5000 fault free cycles prior to sign off ensures trouble free operation once delivered. Machines are ultra clean and cosmetically as good as we can get them. We guarantee our refurbs are delivered fault free and leak free. Lrodpfx Aswfpqcekyon Prices shown are ex-works, but we can quickly provide DAP (Delivered at Place) Incoterm pricing on request. We can take out the hassle and additional costs of purchasing machinery within the UK and EU. Contact us with a potential delivery address and we’ll do the rest.

Condition: refurbished (used), functionality: fully functional, clamping force: 350 kN, Awaiting refurbishment at our headquarters in Northamptonshire is this Arburg 221KS 350/100 U injection moulding machine. Fitted with a Selogica controller. This is a universal machine from Arburg which allows for the clamp unit to be pivoted vertically, ideally suited to insert moulding. These small machines are sought after for the many moulding options they can suit, from a very compact machine. Occasional vertical moulding requirement? These machines are ideal. In standard horizontal configuration, they operate the same as any traditional machine. Any machines awaiting refurbishment with us can be reserved with a 10% deposit and we then prioritise the refurbishment and aim to have the machine available for inspection within 8 weeks from order. Refurbished machines from STV Machinery undergo a comprehensive test procedure during which every function of the machine is tested and if necessary repaired. A production run of at least 5000 fault free cycles prior to sign off ensures trouble free operation once delivered. Machines are ultra clean and cosmetically as good as we can get them. We guarantee our refurbs are delivered fault free and leak free. Ljdpfswqnggox Akyorn Prices shown are ex-works, but we can quickly provide DAP (Delivered at Place) Incoterm pricing on request. We can take out the hassle and additional costs of purchasing machinery within the UK and EU. Contact us with a potential delivery address and we’ll do the rest. Please note that the video shown is of a near identical machine previously refurbished by STV Machinery. It’s a good example of what can be expected once this machine is fully refurbished by our team. *The video shown in this listing is of a previously refurbished Arburg 221 which is similar to the Arburg 221KS machine we are currently refurbishing. Please contact the team if you would like to see the machine in person.

Condition: reconditioned (used), Year of construction: 2004, clamping force: 129 kN, ejector stroke: 30 mm, total length: 27,400 mm, total width: 810 mm, total height: 1,600 mm, overall weight: 920 kg, pump power: 5,500 W, Now fully refurbished by our team at STV Machinery in Wellingborough, Northamptonshire is this high precision BOY 12A injection moulding machine. Fitted with the Procan controller and 18mm diameter screw, which gives a shot weight of 9.64 (PS)g. Lrjdpfxetpw I Ue Akyjn The 12A from BOY is one of the most common small moulding machines we see, it is extremely accurate while still maintaining versatility with tooling and familiar control setup. Refurbished machines from STV Machinery undergo a comprehensive test procedure during which every function of the machine is tested and if necessary repaired. A production run of at least 5000 fault free cycles prior to sign off ensures trouble free operation once delivered. Machines are ultra clean and cosmetically as good as we can get them. We guarantee our refurbs are delivered fault free and leak free. Prices shown are ex-works, but we can quickly provide DAP (Delivered at Place) Incoterm pricing on request. We can take out the hassle and additional costs of purchasing machinery within the UK and EU. Contact us with a potential delivery address and we’ll do the rest.

Condition: good (used), Year of construction: 2004, VC330-80 plus Year: 2004 Clamping force : 800kn Injection Unit 330 Control unit CC200 A01 Screw D40 Working hours 91112 Ljdpfsvdqbhex Akyorn 1x corepull 4x digital input 4x digital output 1x signe pahse socket 1x trhee phase socket NEW PUMP

Condition: ready for operation (used), Year of construction: 2003, operating hours: 1,496 h, clamping force: 600 kN, screw diameter: 35 mm, Injection Unit Screw diameter 35 mm Clamping Unit Clamping force 600 kN This Engel Victory 200/60 TECH was manufactured in 2003. It features a screw diameter of 35 mm, clamping force of 600 kN, and an opening stroke of 450 mm. The machine includes a robot and has a maximum platen spacing of 700 mm. If you are looking to get high-quality injection moulding capabilities, consider the Engel Victory 200/60 TECH machine we have for sale. Contact us for more information. Application Types Lodox D Dkxjpfx Akysrn Injection Moulding

Condition: ready for operation (used), Year of construction: 2001, General Data Measurements height 405 mm Dimensions Machine Length 405 mm Clamping Unit Clamping force 800 kN This Krauss Maffei 80-220 C1 was manufactured in 2001. It features a clamping force of 800kN and a mold opening force of 55kN. The machine includes a robot, although it has a vacuum malfunction. Ideal for those looking to enhance their production capabilities in injection moulding. Contact us for more information about this machine. Lrsdpfx Asx D Ea Ijkysn Application Types Injection Moulding

Year of construction: 2019, operating hours: 17,716 h, condition: ready for operation (used), General Data Measurements width 1920 cm Measurements depth 7750 cm Ljdsx D Nx Iepfx Akyern Machine weight 26210 kg Measurements height 2410 mm This SUMITOMO SHI DEMAG El-Exis SP 350/820-920 was manufactured in 2019. A robust electrical injection moulding machine with a screw diameter of 40 mm and a clamping force of 3,500 kN. It has operated for 17,716 hours with 12,440,761 cycles, ensuring extensive production capabilities. Consider the opportunity to buy this SUMITOMO SHI DEMAG El-Exis SP 350/820-920 electrical injection moulding machine. Contact us for more information. Application Types Injection Moulding

Condition: refurbished (used), operating hours: 22,000 h, In our stock in Wellingborough, Northamptonshire is this fully refurbished Arburg 420C 1000 – 250 VU injection moulding machine with vertical clamp and injection. Ideal for insert moulding as an operator can easily and ergonomically load inserts. The vertical clamp means inserts are more likely to stay in place. Ljdpfx Akel Tnz Ejyern This machine has a 30mm plasticising unit which gives a maximum shot weight of 89 (PS) (g). As you’d expect from us, this machine has been fully refurbished and is now completely fault & leak free. With low lifetime hours of only 23k, it really is in excellent condition throughout. The plasticising unit is holding max pressure throughout the range, the pump is quiet, the platens are in great order and we’ve done great work with the general cosmetics. Machine is now available for a full demonstration as and when required. Refurbished machines undergo a comprehensive test procedure during which every function of the machine is tested and if necessary repaired. A production run of at least 5000 fault free cycles prior to sign off ensures trouble free operation once delivered. Machines are ultra clean and cosmetically as good as we can get them. We guarantee our refurbs are delivered fault free and leak free with a 3 month (parts only) warranty. Prices shown are ex-works, but we can quickly provide DAP (Delivered at Place) Incoterm pricing on request. We can take out the hassle and additional costs of purchasing machinery within the UK and EU. Contact us with a potential delivery address and we'll do the rest.

Condition: used, Year of construction: 2003, clamping force: 150 kN, displacement volume: 399 cm³, injection pressure: 1,598 bar, overall weight: 7,500 kg, screw conveyor diameter: 50 mm, terms of delivery: EXW (ex Works) delivery time: on request Lrsdpoylz Aisfx Akysn terms of payment: 100% prior to delivery

Condition: ready for operation (used), Year of construction: 2005, operating hours: 60,000 h, functionality: fully functional, clamping force: 9,500 kN, screw diameter: 105 mm, clearance between the columns: 1,400 mm, displacement volume: 4,546 cm³, injection pressure: 1,778 bar, injection weight: 4,137 g, Clamping force 950 kN Mould opening force, max. 665 kN Travel force movable platen opening 112 kN Travel force movable platen closing 117 kN Size of mould platens (h x v) 1960 x 1710 mm Distance between tie bars (h x v) 1400 x 1150 mm Mould opening stroke 1800 mm Mould height min/max 600/1200 mm Max. daylight 2400 mm Injection unit: Screw diameter 105 mm Lodpfx Akex Hz I Noyorn Ls/D ratio 23 Injection pressure 1778 bar Stroke volume 4546 ccm Shot weight (PS) 4137 gr. Injection rate 805 ccm/s Screw speed 126 1/min Plasticising rate max. 147 g/s Nozzle pressure 166 kN Electric and Hydraulic Equipment: Nominal capacity of pump motor 110 kW Installed heating capacity 59 kW Adjustable barrel heating zones 7 Reservoir capacity 1500 ltr. Dimensions and weights: Dimensions of the machine ca. 12,00 x 3,50 x 3,00 m Total machine weight 67000 kg Max. mould weight 20300 kg

Condition: excellent (used), Year of construction: 2023, operating hours: 421 h, functionality: fully functional, Equipment: CE marking, Multiplas V4 Injection molding Machine (new 2024) We are offering for sale a well-maintained vertical injection molding machine from 2024 which is currently being used in a clean and well maintained production facility outside of Oslo, Norway. Price: 25.000 EUR This Multiplas vertical injection molding machine ensures precise positioning, enhancing the overall quality of your products. With precise control over injection speed, pressure, and temperature, you can produce high-quality parts with tight tolerances, minimizing waste and maximizing yield. Traditional horizontal injection molding machines require significant floor space, limiting your production capacity. In contrast, vertical injection molding machines utilize vertical space efficiently, allowing you to maximize your factory's footprint. With a smaller footprint, you can optimize your layout and increase machine density. Vertical injection molding machines excel in molding complex, intricate parts with precision. Their vertical clamping and injection units facilitate seamless integration into multi-component molding processes, enabling you to manufacture diverse products with varying material properties. General information: Lsdpfjw S Ewqox Akysrn • Manufacturer: Multiplas Enginery Co. LTD • Model: Multiplas V4, V2C-50T • Serial number: on request • Year of manufacturing: 2023, delivered 2024 • Operating hours: 421 • Dimensions (L/W/H): 2,3 x 1,5 x 3.7 m • Weight: 3,4 ton • Functionality: fully operational • Condition: very well maintained Extras: • TPU Screw and barrel • CE Certificate • Color RAL 9002 • 400V Transformer • Installation guide • Machine Manual Machine Specifications: • Screw diameter: 35 mm • Theoretical Injection Volume: 154 cm3 • Injection Capacity (PVC): 145 gm • Injection Pressure: 1383 kg/cm2 • Injection Rate: 69cm3/sec • Plasticizing Capacity (PVC): 53 kg/hr • Screw Rotation speed: 186 r.p.m. • Heater Capacity: 3,9 kw • Clamping Force: 55 ton • Min. mold Thickness: 350 mm • Opening Stroke: 300 mm • Max. opening Thickness: 650 mm • Ejector power: 1,8 ton • Electrical Power: 10/7,5 hp/kw • Oil tank Capacity: 160 L • Cooling water Capacity: 230 l/hr • Machine size: 2,3 x 1,5 x 3,7 m • Machine weight: 3,4 ton Can be viewed on site. More pictures and videos can be sent to interested buyers. The machine is ready to be sold immediately.

Year of construction: 2021, condition: ready for operation (used), An almost like-new injection moulding machine Arburg is available. Clamping force: 1600kN, tie bar distance: 520mm, clamping stroke: 364mm, ejector stroke: 150mm, ejector force: 40kN, injection unit: 400, injection pressure: 2500bar. Machine dimensions X/Y/Z: approx. 6000mm/1800mm/2200mm, weight: approx. 6000kg, control: Selogica, operating hours: approx. 67h. Includes enclosure with clean air supply FilterFanUnit and removal robot. Documentation available. An on-site inspection is possible. Lredpfx Akew Rqwtjyjn

Year of construction: 2007, condition: ready for operation (used), Various injection molding machines are available. 1) Arburg Allrounder 420 A 1000-400, clamping force: 100t, screw diameter: 30/35mm, year of manufacture: 2005. 2) Demag 1000-420-310 EL-Exis S, clamping force: 100t, screw diameter: 30mm, year of manufacture: 2003. 3) Demag 1000-420-200 EL-Exis S, clamping force: 100t, screw diameter: 25mm, year of manufacture: 2003. 4) Arburg 570 C 2000-150/60 2K, clamping force: 200t, screw diameter: 25/12+15mm, year of manufacture: 2007. 5) Arburg 420 C 1000-250, clamping force: 100t, screw diameter: 35mm, year of manufacture: 1996. 6) Arburg 420 C 1000-250, clamping force: 100t, screw diameter: 30/25mm, year of manufacture: 1995. 7) Arburg 420 C 1000-250, clamping force: 100t, screw diameter: 30mm, year of manufacture: 1994. 8) Netstal Synergy 600-110, clamping force: 60t, screw diameter: 25mm, year of manufacture: 2001. 9) Arburg 900T 800-150, clamping force: 80t, screw diameter: 25mm, year of manufacture: 2001. 10) 2 KM SilcoStar 922A, year of manufacture: 2007. On-site inspection is possible. Individual sale possible. Some machines are partially dismantled and/or defective. Ljdpfxjwkiicj Akysrn

Year of construction: 2010, condition: ready for operation (used), A vertical injection molding machine Arburg with a horizontal injection unit is available. Clamping force: 800kN, opening stroke: 500mm, min. mold installation height: 250mm, platen distance: 750mm, platen dimensions X/Y: 570mm/570mm, max. mold weight: 600kg. Machine dimensions X/Y/Z: approx. 4300mm/1700mm/2100mm, weight: approx. 3500kg, operating hours: 44117h. Documentation available. On-site inspection is possible. Ljdpfx Akoyddy Ujysrn

Year of construction: 2012, condition: ready for operation (used), Installation height min./max.: 200mm/595mm, opening stroke: 200mm, closing force: 600kN, screw diameter: 25mm, distance between tie bars: 370mm, max. injection volume: 49cm³, operating hours: 55682h. Documentation available. On-site inspection is possible. Lredpot E Tq Rsfx Akyon

Year of construction: 2002, condition: ready for operation (used), Clamping force: 2500kN, clear tie bar distance: 630mm/630mm, opening stroke: 1150mm, min. mold installation height: 330mm, screw diameter: 60mm, specific injection pressure: 2000bar, max. stroke volume: 670cm³, connected load: 74kW, control: MC4. Machine dimensions: 5700mm/2200mm/2300mm, machine weight: 12.5t, operating hours: 47,572h. Available from February 2025, including special accessories, Krauss Maffei LRX-S 100, 8x hot runner control points, 4x core pull, blow-out unit, pressure accumulator, hydraulic tie-bar pulling device, energy-saving circuit, ALS interface, 20mA interface and color dosing device interface. On-site inspection is possible, documentation available. Ljdpfsuiykdex Akyjrn

Year of construction: 2005, condition: ready for operation (used), There are two BOY 55M available, both year of construction 2005. Clamping force: 550kN, screw diameter: 38mm, stroke volume: 196cm³, injection pressure: 2000bar, platen dimensions: 565mm/540mm, tie bar distance: 360mm/335mm. Workpiece height min./max.: 250mm/650mm, opening stroke: 400mm, max. platen distance: 1050mm, ejector stroke: 80mm, max. mold weight: 600kg. Dimensions X/Y/Z: approx. 3300mm/1200mm/2100mm, weight: approx. 2300kg, operating hours: 29664h, control: Procan MD. Robot interface Euromap 12 included. Lodpfjtyaypex Akyern