Used Seron Cnc For Capacitor Welding for sale (16,820)

Year of construction: 2023, condition: new, PLASMA CUTTER MODEL MTX 2040 - VENTILATED Construction: Steel + Aluminum Working area: 4000/2000/200 XY axis drive: Double-sided gantry drive: 4Nm stepper motors with gearboxes, toothed racks Z axis drive: Stepper motor, ball screw Travel speed: Up to 25 m/min Z axis control system: THC My plasm system Linear guides: TBI IGUS guide Automatic material detection system Power supply: 240V Permissible load: 2000 kg Total weight: 800 kg net USB port for opening projects and transferring files using external pen drives Sheet metal detection system THC cutting height control system TBI linear guides Double-sided gantry drive: X axis: Stepper motor and toothed racks Y axis: Stepper motor and toothed racks Z axis: Stepper motor and ball screw Drives implemented using TBI HGR 20 rails Ventilated table adapted for fume extraction INCLUDED: - Ventilated table - Control software in Polish - CE declaration of conformity - Technical documentation - Warranty - Commissioning and training included The latest control system available in our cutters: Integrated THC height regulator Anti-torch plunge function Supported file types: DXF, PLT (hpgl), G-codes (.tap) Integrated CAM module: MyMini CAM Automatic recognition of external objects Path analysis in advance Database of cutting parameters Project angle correction for the material Possibility of cutting from any location Possibility of cutting from the end Import DXF, PLT or G-CODES Automatic generation of paths with offset, entry and exit points The program can be used with external CAM software Separate speed for holes Parameter database Project correction to the material layout angle Software and hardware limits Anti-plunge THC functions Game Pad control possible Material detection via touch system, floating torch head WHY IS IT WORTH IT? WE ARE A POLISH MANUFACTURER OF PLASMA CUTTERS CLOSE COOPERATION WITH PROMA-ELEKTRONIKA (THC MANUFACTURER) HIGH-QUALITY GUIDES FROM THE RENOWNED HIWIN COMPANY, CHARACTERIZED BY VERY LONG LIFE AND HIGH CUTTING QUALITY, WHICH DOES NOT REQUIRE FURTHER PROCESSING COMPONENTS SUCH AS GEARBOXES, MOUNTINGS, HOLDERS, ETC. ARE MANUFACTURED BY US USING CNC TECHNOLOGY, WHICH GUARANTEES HIGH QUALITY AND REPEATABILITY OUR STRENGTHS: HIGH-CLASS SHIELDED CABLES INDUCTIVE SENSORS ON ALL AXES, WHICH ARE NOT AFFECTED BY DUST OR JAMMING ADVANCED THC MY PLASM, SMOOTH TORCH OPERATION CPC INTERFACE (VOLTAGE DIVIDER) MOUNTED IN THE CUTTERS WE MOUNT CUTTERS SUPPLIED BY THE CUSTOMER OR PURCHASE CUTTERS THAT MEET THE CUSTOMER'S REQUIREMENTS WE HELP WITH ARRANGING LEASING Bjdpoiphu Iofx Ak Dodf Possibility of selecting the appropriate cutter to meet the individual needs of the company. We offer other table dimensions.

Condition: new, An additional aircompressor are required to enable the nitrogen generator to produce nitrogen. Nitrogen purity: 99.999% Input pressure: 8Bar Output pressure: 7Bar Power: 75W(Power is the cost per hour to produce nitrogen ) Bodpfx Akoxfrv Eo Dedf 3 în 1 design, no need for extra air compressor and refrigerator or dryer Gas clean Price is EXW (Stock Europe), Include loaded on truck. Transport, installation, commissioning, training, and yearly service contracts are available upon request for an additional fee. Installation and training is always done by our high qualified Service team in 3 locations in Europe. Netherlands, Germany, Romania. Official Seller CNC Top Ten bv Coevorden, Netherlands

Condition: new, Year of construction: 2024, Technical specs CNC – 1100 Control Syntec 21MA-E Drive system YASKAWA servo drive Main motor 7,5/11 Kw Spindle speed till 7000 Rpm Max drilling dept 1000 mm Drilling diameter 3 till 30 mm X stroke 1000 mm Y stroke 800 mm Z stroke 1000 mm cutting feed 0-300 mm/min Bodju Nyxwopfx Ak Djdf inner hole accuracy 0.005mm Surface roughness of the hole Ra 3.2um spindle speed 7000 Rpm X servo motor 2.3Kw Y servo motor 3.0 Kw Z servo motor 2.3 Kw oil pump motor 5,5 Kw oil pressure 21 bar Filtration precision 20 um table loade 7000 kg machine weight 10 ton machine power 34 Kw. Capacity of cutting oil tank 800L Machine size 4,8 x 3,8 x 2.6 meter Price is EXW (Stock Europe), Include loaded on truck. Transport, installation, commissioning, training, and yearly service contracts are available upon request for an additional fee. Installation and training is always done by our high qualified Service team in 3 locations in Europe. Netherlands, Germany, Romania. Official Seller CNC Top Ten bv Coevorden, Netherlands

Condition: new, Year of construction: 2023, Technical specs CNC – 800 Bdodjk N Dtujpfx Ak Dsf Control Syntec Drive system YASKAWA servo drive Main motor 7,5 Kw Spindle speed till 7000 Rpm Max drilling dept 800 mm Drilling diameter 2,5 till 30 mm X stroke 800 mm Y stroke 800 mm Z stroke 800 mm cutting feed 300 mm/min spindle speed 7000 Rpm spindle motor Servo 11 Kw X servo motor 3,9 Kw Y servo motor 3,9 Kw Z servo motor 3,1 Kw oil pump motor 5,5 Kw oil pressure 21 bar table loade 6000 kg machine weight 8,3 ton machine power 34 Kw. Machine size 4,2 x 3,5 x 2.6 meter Price is EXW (Stock Europe), Include loaded on truck. Transport, installation, commissioning, training, and yearly service contracts are available upon request for an additional fee. Installation and training is always done by our high qualified Service team in 3 locations in Europe. Netherlands, Germany, Romania. Official Seller CNC Top Ten bv Coevorden, Netherlands

Condition: reconditioned (used), Year of construction: 2024, functionality: fully functional, grinding wheel diameter: 500 mm, total width: 2,300 mm, total length: 6,730 mm, total height: 1,800 mm, grinding diameter: 320 mm, workpiece weight between centers: 250 g, grinding wheel width: 80 mm, spindle speed (max.): 1,800 rpm, feed length X-axis: 350 mm, feed length Z-axis: 1,550 mm, Good morning, We have to offer a six months old CNC SWG32 x 1500 CNC machine with SIEMENS SINUMERIC 828D sL control (after a complete revitalization of TOS HOSTIVAR BUB32 machine) The machine is still in Lease at ING Lease. The machine has already been partially repaid, our company does not want to recover the repaid installments. The assignment of the lease applies only to the remaining installments to be repaid (the cost of the assignment is borne by our company). For more technical and financial details, I invite you to contact me at the e-mail address or by phone Specification of the machine: - Year of manufacture:2024 - Maximum grinding diameter: 320 - Maximum grinding length: 1500 - Supply voltage: 3 x 400V Bdedpfxovkc D Ij Ak Def - Control voltage: 24V - DC - Metric system - Maximum permissible weight of objects clamped in the canine: 250 kg - Total travel distance in the X axis: 350mm - Rotation of the grinding wheel spindle: 50 - 1500 rpm (7.5kW) - Plunge grinding infeed speed range 0.03 to 20mm/min - Wheel diameter: 500mm - Morse taper 5 - Measuring probe to determine the workpiece - Workpiece support - Electronic wheel (handheld panel)

Condition: used, functionality: fully functional, With this offer, you are purchasing a used ‘Xerox full bleed trimming’ finishing system. Item for sale: 1 x Xerox complete finishing system for brochure production with the following equipment: Includes A-FN13 booklet finisher Includes CZ module A-FN08 Includes 2-page trimming A-GW07 Includes Plockmatic Pro35 WITHOUT IDM You will receive a complete finishing system for complete brochure production. Plug and play connection to various Xerox machines. Xerox Versant 3100 Xerox Verdant 4100 Xerox Versant 180 Xerox Versant 280 and more... Condition: This offer is for a used device, which may show signs of wear (minor scratches or yellowing). The device has been tested for functionality. Packaging and shipping: Bjdpfexnxy Nsx Ak Dedf You are welcome to view the device during our business hours. Please make an appointment! Seaworthy packaging and worldwide shipping available on request! For more information, please feel free to contact us personally.

Condition: good (used), Year of construction: 2004, functionality: fully functional, input voltage: 400 V, type of input current: three-phase, travel distance X-axis: 4,320 mm, travel distance Y-axis: 1,785 mm, travel distance Z-axis: 280 mm, overall weight: 5,500 kg, feed rate X-axis: 8 m/min, feed rate Y-axis: 6 m/min, feed rate Z-axis: 3 m/min, spindle motor power: 8,000 W, Equipment: documentation/manual, The machine worked until the end in Sweden at the moment it is undergoing a service inspection. It has two milling units Bdjdpjuzmyrsfx Ak Def

Condition: ready for operation (used), functionality: fully functional, CNC dividing head with stepper motor control, - Divisions from 1-999 possible - Odd divisions also possible - Ideal for face grinding, divisions – saws with high tooth pitch, or even slow cylindrical grinding of circular knives - Can be retrofitted to any tool grinding machine - Rotatable, pivotable in all directions, horizontally and vertically - Easy installation on the machine table using T-nuts - Can also be supplied with a small mounting angle - Center height 190 mm or 140 mm measured from the machine table. - CNC dividing head available with MT5 chuck or SK 40 chuck - Division is triggered via foot switch or optionally a simple contact/switch, etc. on the machine table can be triggered - The division process can be fully automated with the hydraulic machine table or linked via the CNC machine control system. Bedswmd Irjpfx Ak Dedf New price: €12,800

Condition: used, functionality: fully functional, NIKKEN CNC rotary table CNC 320V, Series 400V - Faceplate Ø320 mm Bodoymyh Tspfx Ak Dsdf - Spindle bore Ø80 mm - Center height 230 mm - Siemens motor

Condition: like new (used), Year of construction: 2021, operating hours: 400 h, functionality: fully functional, machine/vehicle number: skyCNC 6008, travel distance X-axis: 900 mm, travel distance Y-axis: 6,100 mm, travel distance Z-axis: 270 mm, feed rate X-axis: 20 m/min, feed rate Y-axis: 15 m/min, feed rate Z-axis: 8 m/min, workpiece length (max.): 6,000 mm, workpiece width (max.): 800 mm, workpiece diameter (max.): 270 mm, table width: 800 mm, table load: 400 kg, overall weight: 3,250 kg, spindle speed (min.): 15,000 rpm, X 900 Y 6100 Z 270 mm 11 kW (800 table) Available for immediate delivery! PFEIFER technology skyCNC Milling Machine 6008 – 11 kW / 5 ATC (As good as new, from 2021, only 400 operating hours) CNC Milling Machine – High-precision and powerful milling and drilling with extremely high speed and quality A 6-meter CNC milling machine with automatic tool changer, in mint condition, is offered for sale on behalf of a customer. The machine is available for immediate delivery and ready for operation at the customer's premises; the sale is due to the conversion to laser processing. The machine can be inspected with power at the customer's/seller's premises in 07819 Triptis. Key data: - Working/travel area (LxWxH): 6100 mm x 900 mm x 270 mm (clearance height under gantry 300 mm, max. tool length 300 mm) - Automatic 5-station tool changing system with ISO40 tool holder (optional 10 tool changing stations possible); includes 5x ISO40-ER32-75 tool holders and 5x ER32 collets - HPM minimum quantity lubrication/spray cooling for cooling the workpiece and tool, automatically controlled by a solenoid valve via M-code - T-slot table 6000 mm x 800 mm - Includes 3 HOMGE HBV-8-300 pneumatic quick-action vises; jaw width 200 mm, clamping force up to 8.0 t – continuously adjustable; high clamping accuracy; Patented pneumatic system - Central lubrication access points - Automatic tool length measurement - Mobile MPG control unit for quick and easy machine control, freely selectable workpiece zero points - Ethernet connection for data transfer via network, USB port - File formats: G-code, DIN ISO data - Incl. industrial computer system with 17" TFT touchscreen, PC keyboard, and mouse - HF milling spindle: HSD spindle ES951 A 1112 S / 11 kW, air-cooled; spindle speed: 3,000 - 15,000 rpm - Power supply: 3-phase AC 400 V / 50 Hz, power consumption: max. 15 kW - Dimensions (L x W x H): 6850 x 1440 x 2163 mm, weight: approx. 3250 kg - Compressed air connection: min. 7 bar, including air filter required Bodpfxowlqpys Ak Djdf Sale to commercial customers only! Support and service provided by PFEIFER technology and Innovation Plauen

Condition: refurbished (used), Year of construction: 1990, functionality: fully functional, overall weight: 5,000 kg, We are offering this refurbished metal spinning machine UD320 CNC-Fanuc, fully overhauled in 2025. This is a metal spinning machine that has been completely refurbished by us and equipped with a new, modern Fanuc CNC control system. We currently own a total of 9 of these machines. Five of these machines have already undergone a retrofit with the Fanuc control unit. The overhaul of other components such as bearings, guides, and slideways is carried out either in-house or through external contractors. We are very familiar with these machines. The hydraulic unit has been custom-built to our specifications. If you have any questions or need more information, please feel free to send us a message or call us. Bedpsykmmkofx Ak Dedf

Condition: ready for operation (used), Year of construction: 2000, functionality: fully functional, machine/vehicle number: HYFRA TYPE, CNC laser cutting machine Lasercomb, model MTL1510, 400V, year of manufacture 2000, machine dimensions 276 x 196 x 215 cm high (control panel), cooling unit Hyfra type VWK904-S, year of manufacture 2000, 84 x 82 x 143 cm high, currently dismantled. Bjdpfx Aksy D Ilpo Dodf

Condition: ready for operation (used), Year of construction: 2001, functionality: fully functional, machine/vehicle number: LCS300-4T, CNC machine Elcede, type LCS300-4T, year of manufacture 12/2001, 400/50 Hz, working area 305 x 152.5 cm, machine dimensions 545 x 280 x 233 cm (height), control cabinet 80 x 64.5 x 190 cm (height), PC cabinet 84 x 75 x 198 cm (height), 3x Dietz fans, + cooling unit KKT-krans KLB-S26T-RS, year of manufacture 2001, 400V, 144 x 90.5 x 161 cm (height), 50,640 operating hours, desk with Fukitsu desktop, password Defi123+, desk 170 x 75 x 78 cm (height), in operation. Bsdsy D Hwwopfx Ak Dodf

Condition: excellent (used), Year of construction: 2020, functionality: fully functional, Equipment: documentation/manual, For sale is a state-of-the-art CNC-controlled waterjet center consisting of 2 machines Machine 1: Robot with processing cell and integrated SERVO turning table. Machine 2: Robot with 2 processing cells and 2 integrated SERVO turning tables. This waterjet center is ideal for companies looking for a flexible and efficient solution for demanding cutting tasks. They are characterized by high precision, flexibility and reliability. - Robot arm NJ-16-3.1 Foundry: The robot has a load capacity of 16 kg and a working radius of 3100 mm. It is particularly robust and flexible, equipped with an IP65 protection class and is flange-mounted directly behind the cell. - SERVO turning table: With a maximum load of 500 kg and a faceplate center width of 2800 mm, the interpolating turning table offers maximum precision and repeatability. - Processing cell: The processing cell measures 2350 x 4500 mm and is equipped with sound insulation. - High-speed roller shutter: Integrated into the cell wall, the high-speed roller shutter ensures safe access and complies with Machinery Directive 2006/42/EC. - SL-VI 30 Plus high-pressure pump: This pump achieves a pressure of up to 4136 bar, ideal for precise cutting processes. - Water cutting head: The water cutting head is a central component of the system and offers maximum precision. It is equipped with a high-pressure line feed, a manual change system for quick replacement. Additional features: - CNC control: Siemens 840D controller with integrated PROFINET for controlling the robot and integrated S7 319 safety technology. Bdjdpfeua U Tzex Ak Djf - Cyclone separator: Efficient system for particle separation - Programming options: The robot is programmed using simulation software, machining takes place in the CAM system and the programs are transferred via G-code. Main features Rotary table cells: - Robot arm NJ-16-3.1 Foundry: This robot has a load capacity of 16 kg and a working radius of 3100 mm. With an IP65 protection class, it offers a high level of robustness and flexibility. - SERVO rotary tables: The system is equipped with two SERVO rotary tables, each with a load capacity of 500 kg. These rotary tables enable precise machining of large workpieces with a maximum component size of 1000 x 1000 x 1000 mm. The repeat accuracy is ±0.15 mm with a rotation of 180° in just 5 seconds. - Machining cell: The machining cells each have a size of 2350 x 4250 mm. - 2 high-speed roller shutters: Integrated into the front wall of each cell, the cold-resistant and antistatic high-speed roller doors ensure safe access to the processing cell. The waterjet center offers outstanding processing flexibility and is suitable for various industrial PUR waterjet applications. Price on request or guide price < €300,000 Contact: For more information or to arrange a viewing appointment, please contact us on the telephone number provided.

Condition: reconditioned (used), Year of construction: 2019, functionality: fully functional, type of input current: three-phase, total width: 2,450 mm, total length: 4,000 mm, input voltage: 400 V, input current: 32 A, feed length X-axis: 2,000 mm, feed length Y-axis: 1,800 mm, feed length Z-axis: 50 mm, working width: 1,700 mm, CUTTEC CNC Cutter Variocut with oscillating cutting tool, tool head with tangential axis. Cutting is performed on a cutting mat; material is fixed in place using a 7.5 kW vacuum system. Item location: 32105 Bad Salzuflen. Bdjdpfx Ajyi T Swsk Dof

Condition: new, Year of construction: 2026, Equipment: documentation/manual, Laser welding machine with 3 kW laser power, laser components from Siemens - welding machine with genuine CE and therefore also German manual, risk analysis and everything that is required to be able to operate a laser welding system in Germany. Wire feed case, also with genuine CE, is also included in the delivery. An introduction can take place here in the company. Bodpfx Akon Sl D Rj Dodf

Condition: new, functionality: fully functional, power: 3 kW (4.08 HP), Year of construction: 2025, Equipment: air conditioning, cooling unit, G16 Bodpfx Akewz Ufwo Djdf Type: Two chucks

Condition: new, functionality: fully functional, Year of construction: 2025, travel distance X-axis: 50,000 mm, travel distance Y-axis: 4,000 mm, input voltage: 380 V, input frequency: 50 Hz, warranty duration: 24 months, Equipment: cooling unit, GS-50040LB (Bevel Cutting) Ultra-Large Format Laser Cutting Machine 40kW Bevel Cutting + 60kW Straight Cutting Dual Beam, Dual Head, Dual Ultra Ultra-Large Cutting Area: 50m × 4m Dual High-Power Cutting Heads – 60kW Straight & 40kW Bevel Cutting Precision Cutting for Ultra-Thick Plates Bevel Cutting Performance: ✔ Y-Bevel: 40kW | 20mm Carbon Steel | 1.4m/min ✔ K-Bevel: 40kW | 30mm Carbon Steel | 0.35m/min ✔ V-Bevel: 40kW | 50mm Carbon Steel | 0.2m/min ✔ Straight Cutting: 60kW | 150mm Carbon Steel | 0.3m/min Bdsdpfx Aksv Ng E Tj Djf Applications: Aerospace | Shipbuilding | Bridges | Heavy Machinery

Condition: new, Year of construction: 2026, functionality: fully functional, Our honeycomb heater plates are manufactured and assembled to Clako’s own unique design. 1 Zone, 2 Zone + 4 Zone Heater Plates are manufactured by our own engineer to fit your Cylinder, Platen, Saroglia and Clamshell machines. Strong, durable & available in high grade hardened steel or lightweight toughened aluminium to suits your needs. Bdjdeyznu Sspfx Ak Djf All of our honeycomb plates are machined to true flatness. Dies (cliches) secure to our plates using low height toggles. Contact our team for details and price.

Condition: reconditioned (used), We have a large stock of electronic circuit boards for injection molding machines. All our replacement parts are tested in our facilities. Bodpjfwcu Uofx Ak Dedf

Condition: ready for operation (used), Industrial CNC router for sale – AXYZ Automation Group Automation Series 6010, fitted with a high-speed Perske GmbH spindle. Bsdpey A R Dxjfx Ak Dodf This is a large-format production machine suitable for woodworking, plastics, signage, and light aluminium work. Solid gantry construction with vacuum bed – ideal for sheet materials. ⚙️ Key Specs Model: AXYZ 6010 (6000 Series) Bed Size: approx. 10ft x 6ft (3048 x 2150mm) Spindle: Perske high-speed spindle Power: approx. 4kW / 5.5HP Speed: up to 18,000 – 21,000 RPM Bed: Vacuum table (grid type) Axes: 3-axis gantry CNC Power: 3-phase Build: Heavy-duty industrial frame

Condition: like new (used), Thom Type SI Spout Inser­ter Machi­nes for inser­ting the spouts into pre­fa­bri­ca­ted pou­ches. Model - Thom SI‐900 Semi­au­to­ma­tic machi­ne Ide­al for sam­ple pro­duc­tion and small series pro­duc­tion Capa­ci­ty: Up to 10 pou­ches / min. Bedpfx Aex Utd Esk Dsdf Thom fil­ling and packa­ging machi­nes are in demand ever­y­whe­re whe­re fle­xi­ble packa­ges need to be fil­led (pou­ches / refills): in the food indus­try, the cos­me­tics and deter­gents indus­try or in the beverage fil­ling.

Year of construction: 2010, condition: ready for operation (used), functionality: fully functional, working length: 7,600 mm, machine/vehicle number: 1400040505, number of axes: 4, TECHNICAL DETAILS Max. machining length with end face machining: 7,600 mm Max. machining length without end face machining: 7,720 mm EQUIPMENT 12 pneumatic collet chucks 2 work areas 4-axis profile machining center; stepless machining between -90° and +90° with each available tool Automatic clamping position adjustment with absolute measuring system Two separate machining zones for tandem operation 4-axis control 18.5" color monitor, USB ports, and network connection Windows operating system EluCam software Bdsdpfezhuyfox Ak Def Automatic profile length measurement (on both sides) Barcode scanner The traversing tool magazine ensures short tool change times and thus optimal machining cycles; the magazine can be equipped with eight tools. 8x tool holders with collet chucks

Condition: ready for operation (used), Year of construction: 2003, functionality: fully functional, machine/vehicle number: M01.16.21.51.02, travel distance X-axis: 1,600 mm, travel distance Y-axis: 1,200 mm, travel distance Z-axis: 500 mm, spindle speed (max.): 10,000 rpm, No minimum price – guaranteed sale to the highest bidder! TECHNICAL DETAILS Travel range X-axis: 1,600 mm Travel range Y-axis: 1,200 mm Travel range Z-axis: 500 mm Travel range W-axis: 1,200 mm Travel range B-axis: 360° Spindle speed: 10,000 rpm Spindle motor power: 30 kW Feed drive: Brushless AC servo motors Feed rate: 0–20,000 mm/min Rapid traverse X-axis: 20,000 mm/min Rapid traverse Y and Z axes: 20,000 mm/min Manual mode: 20,000 mm/min Setup operation: 0–2,000 mm/min Table size: 1,500 × 1,500 mm Bedpfx Asznkpvjk Dedf T-slots: 5 × DIN 650-22 H12 T-slot spacing: 150 mm MACHINE DETAILS Tool clamping: Hydraulic Electrical connection: 400 V Frequency: 50 Hz Compressed air operating pressure: 6 bar Nominal flow rate: 7,000 rpm

Condition: ready for operation (used), Year of construction: 2023, functionality: fully functional, turning length: 300 mm, turning diameter: 300 mm, spindle bore: 52 mm, spindle speed (max.): 4,500 rpm, controller model: FANUC CNC, The machine can be inspected with a lead time of three days. TECHNICAL DETAILS Maximum turning diameter: approx. 300 mm Maximum turning length: approx. 300 mm Spindle bore diameter: approx. 52 mm Maximum main spindle speed: 4,500 rpm Tool turret: 12 stations MACHINE DETAILS Control system: FANUC CNC Machine weight: approx. 2,200 kg Operating hours: approx. 6,458 h Spindle hours: approx. 4,300 h Voltage: AC 380 V (with or without transformer) Rated power: 14.97 kVA Full load current: 22.74 A Interrupting capacity: 5 kA Short-circuit capacity: 10 kA Power of the electric motor according to the manufacturer: 7.5 kW EQUIPMENT Technical documentation Powerful main spindle Bodsznb Ntspfx Ak Dedf Robust machine construction for high dimensional accuracy Tool turret with rapid indexing Compact design with low space requirements User-friendly CNC control High reliability Low maintenance requirements Complete technical documentation