Hermle Uwf 600 Cnc nakup rabljenega (19.255)

Stanje: potreben popravila (rabljeno), Leto izdelave: 1989, Funkcionalnost: omejena funkcionalnost, !!SPECIAL OFFER!! For sale are 2 Hermle UWF 801 universal milling machines (active models) Price listed is for both machines as a package. One machine displays an error when traversing in the Y-axis, while the second machine is missing relays. The idea is to combine both machines to create one fully functional unit. The value of a fully operational machine is approximately €10,000. What makes this model special is its active control system, which allows for setting feeds that automatically stop at a pre-set dimension. The machine is easy to operate and efficient, making it ideal for both hobbyists and industrial applications. Travel (X): 500 mm Travel (Y): 430 mm Travel (Z): 400 mm Spindle taper: SK40 Control: TNC 114 Tilting spindle head (left/right): ±90° Quill stroke (vertical): 80 mm Spindle speed range: 40 - 2000 rpm, 18-step Feed rate X + Y: 4 - 1600 mm/min (stepless) Feed rate Z: 4 - 1000 mm/min (stepless) Rapid traverse X + Y: 1.6 m/min, Z: 1 m/min Table size: 800 x 395 mm Spindle drive: 3 kW Weight approx.: 1,300 kg Transport dimensions (LxWxH): 1.6 x 1.5 x 1.8 m Chip tray included Prices are subject to VAT. Inspection possible by appointment. Please contact us, our team will be happy to assist you. Trade-in or exchange possible! Isdpfxst Ifm Nj Agtoat Machinery purchase & sales PURCHASE / SALE OF PRODUCTION AND METALWORKING MACHINERY, ETC. Looking for a high-quality yet affordable metalworking machine for your production? Or are you looking to sell yours? For more information or contact options, please visit our website.

Stanje: rabljeno, dolžina podajanja os X: 500 mm, dolžina pomika po osi Y: 430 mm, dolžina podajanja os Z: 400 mm, For sale is a package of 4 identical Hermle UWF 801 milling machines. Isdpfx Aev Tc Apjgteat Two of the machines have minor defects that need to be repaired, while the other two are fully functional. Offered as a complete package, but individual machines can also be sold at regular price. Technical Data: - X-axis travel: 500 mm - Y-axis travel: 430 mm - Z-axis travel: 400 mm - Spindle taper: ISO SK40 - Swiveling spindle head left/right: ±90° - Vertical quill stroke: 80 mm - Speed range: 40 - 2000 rpm, 18 steps - Feed (X+Y): 4 - 1600 mm/min, stepless - Feed (Z): 4 - 1000 mm/min, stepless - Rapid traverse (X+Y): 1.6 m/min, (Z): 1 m/min - Table size: 800 x 395 mm - Spindle drive: 3 kW - Weight: approx. 1300 kg - Transport dimensions (LxWxH): 1.6 x 1.5 x 1.8 m - Chip tray Tool holders, tools, and vise are not included in the package but can be offered separately if required. Transport and loading can be organized throughout Europe for an additional fee upon request. Prices are subject to VAT. Inspection is possible by appointment. Please contact us—our team looks forward to assisting you. Trade-in or exchange possible! Machinery Purchase/Sale PURCHASE / SALE OF PRODUCTION & METALWORKING MACHINERY AND MORE. Are you looking for a high-quality yet affordable metalworking machine for your production? Or do you want to sell yours? For further information or contact options, visit our website.

Stanje: potreben popravila (rabljeno), Funkcionalnost: omejena funkcionalnost, potovalna razdalja osi X: 500 mm, pomik osi Y: 430 mm, pomik po osi Z: 400 mm, največja hitrost vretena: 2.000 obr/min, hitrost vretena (min.): 40 obr/min, montažni premer: 40 mm, skupna višina: 1.800 mm, skupna širina: 1.500 mm, skupna dolžina: 1.600 mm, širina mize: 800 mm, dolžina mize: 395 mm, For sale: Conventional milling machine with active control, brand Hermle, model UWF 801. Iedpfx Agsvtpm Ujtoat A hydraulic hose is defective, but has already been removed and a new one is available. Once installed (a service we can provide), the machine is fully operational and ready for use. This machine is easy to operate and yet efficient, making it ideal for both hobbyists and industrial applications. X-axis travel: 500 mm y-axis travel: 430 mm z-axis travel: 400 mm Spindle mount ISO: SK40 Spindle head swivels left and right: +/- 90° Quill vertical stroke: 80 mm Spindle speed range: 40 - 2000 RPM, 18 steps Feed X+Y: 4 - 1600 mm/min, stepless Feed Z: 4 - 1000 mm/min, stepless Rapid traverse X+Y: 1.6 m/min, Z: 1 m/min Table size: 800 x 395 mm Spindle drive: 3 kW Weight: approx. 1300 kg Transport dimensions (LxWxH): 1.6 x 1.5 x 1.8 m Chip collection tray included Transport and loading can be organized Europe-wide at extra cost upon request. Prices exclude VAT. Inspection is possible by appointment. Contact us – our team will be happy to assist you. Trade-in or exchange possible! Machinery purchase/sale BUYING / SELLING PRODUCTION & METALWORKING MACHINES, ETC. Are you looking for a high-quality yet affordable metalworking machine for your production? Or would you like to sell yours? For further information or contact options, please visit our website.

Stanje: dober (rabljeno), Leto izdelave: 1994, Funkcionalnost: popolnoma funkcionalen, dolžina podajanja os X: 500 mm, dolžina pomika po osi Y: 430 mm, dolžina podajanja os Z: 400 mm, največja hitrost vretena: 3.550 obr/min, hitrost vretena (min.): 17 obr/min, For sale: Hermle CNC / conventional milling machine, model UWF 802 M The machine is in good to very good condition and ready for immediate use. Technical Data: Year of manufacture: 1994 Control system: Heidenhain TNC 124 Clamping surface: Rigid angle table Spindle speed: 17 to 3550 rpm Feed: Infinitely variable Drive power: 6 kW Travel X: 500 mm Travel Y: 430 mm Travel Z: 400 mm Tool holder: SK40 Dimensions (L*W*H): 1800*1800*1900 mm Weight: 1.8 t Loading and transport can be organized within Europe upon request and at an additional charge. Prices are subject to VAT. Inspection by appointment is possible. Please contact us—our team looks forward to assisting you. Trade-in or exchange possible! Machinery Purchase & Sale PURCHASE / SALE OF PRODUCTION & METALWORKING MACHINES AND MORE Ijdporvitljfx Agteat Do you need a high-quality yet cost-effective metalworking machine for your production? Or are you looking to sell your equipment? For further information or contact options, please visit our website.

Stanje: dober (rabljeno), CNC - univerzalni rezkalni stroj HERMLE UWF 902-S Iaedpfx Agoytnpxotot - Heidenhain 426 krmiljenje - Leto izdelave: 1997 - Pomiki X/Y/Z: 600-450-500 mm - Vpenjalni stožec SK 40 - Oprema za vertikalno in horizontalno rezkanje - Vrtalna pinola - Sistem hlajenja - Kotna miza - Ohišje stroja - Dokumentacija Dimenzije: D׊×V 3,9×2×2 m / Teža 4000 kg Pridržujemo si pravico do napak in tipkarskih zmot

Leto izdelave: 1989, stanje: rabljeno, Control system: Heidenhain TNC 355 Table size: 900 x 465 mm Iasdpfxshd Rm Us Agtet Travel paths: X - 600 mm, Y - 400 mm, Z - 420 mm Tool holder: SK 40 Quill stroke: 75 mm Spindle speed range: 20–4000 rpm Feed rates: 1–5000 mm/min

Stanje: rabljeno, Leto izdelave: 1992, Technical Details: x-travel: 600 mm y-travel: 400 mm z-travel: 420 mm Spindle taper ISO: SK 40 Control: Heidenhain TNC 360 Quill stroke vertical: 75 mm Speed range: 20 ... 4000 rpm Spindle head swivels left and right: 90° left / right Feed rate X/Y/Z: 1...6000 mm/min Rapid traverse X/Y: 7 m/min, Z: 6 m/min Iodju Nc U Iepfx Agtjat Table size: 900 x 460 mm Table load capacity: 400 kg Weight approx.: 2300 kg Machine dimensions approx. LxWxH: 4.0 x 3.8 x 2.0 m Total power requirement: 13 kW Equipment: - Separate manufacturing cell - Coolant system - Operator panel with articulating arm, swiveling - SK 40 Heidenhain TS 120 touch probe - Oil collection tray

Stanje: nepreverjeno (rabljeno), Leto izdelave: 1986, Funkcionalnost: nepreverjeno, številka stroja/vozila: 7393, potovalna razdalja osi X: 500 mm, pomik osi Y: 360 mm, pomik po osi Z: 400 mm, največja hitrost vrtenja: 4.000 obr/min, model krmilnika: Siemens 810, Brez minimalne cene – zagotovljena prodaja najboljšemu ponudniku! TEHNIČNI PODATKI Pomik X-os: 500 mm Pomik Y-os: 360 mm Pomik Z-os: 400 mm Območje vrtljajev: 20 - 4.000 min⁻¹ Dimenzije mize: 800 x 390 mm Območje podajalnih hitrost: 1 - 2.000 mm/min Hitri pomik: 5 m/min Isdpeyv A A Hjfx Agtoat Število T-utorov: 6 Širina T-utorov: 14 mm Razdalja med T-utoroma: 63 mm Vpenjalni stožec: SK 40 Število prestavnih stopenj: 4 PODROBNOSTI O STROJU Tip krmilnika: Siemens 810 Skupna priključna moč: 9 kW Dimenzije in teža Prostorske mere (D x Š x V): pribl. 2.500 x 2.900 x 1.900 mm Teža stroja: pribl. 2.000 kg

Stanje: rabljeno, Leto izdelave: 1988, x-pomik 700 mm y-pomik 550 mm z-pomik 500 mm Vpenjalna stožčasta glava ISO 40 Krmiljenje Heidenhain Tip TNC 155 Tehnični podatki so podatki proizvajalca oz. uporabnika in zanje ne jamčimo. Vmesna prodaja pridržana; veljajo izključno naši pogoji poslovanja in prodaje. O nas več kot 400 lastnih strojev na zalogi več kot 15.000 m² skladiščnih površin, nosilnost žerjava 70 t več kot 10.000 artiklov dodatne opreme za vašo delavnico Želite prodati stroje, proizvodne linije ali podjetje? Kontaktirajte nas. Več ponudb najdete na naši spletni strani. Ogledi so možni po dogovoru. Veselimo se vašega obiska. Isdpfxeyuttle Agtsat Vaša ekipa Markus Hirsch

Stanje: potreben popravila (rabljeno), Leto izdelave: 1994, Funkcionalnost: omejena funkcionalnost, potovalna razdalja osi X: 650 mm, pomik osi Y: 400 mm, največja hitrost vrtenja: 4.000 obr/min, obremenitev mize: 400 kg, model krmilnika: Heidenhain TNC 407, TEHNIČNI PODATKI Iasdpfx Agoyf Agcetst Pomiki osi X: 650 mm Pomiki osi Y: 400 mm Vpenjalna površina: 900 x 468 mm Največja obremenitev mize: 400 kg Orodni držalo: SK40 Območje vrtljajev: 20 – 4.000 min⁻¹ Pogonska moč: 5,9 kW Menjalec orodij: 32 mest (HTC 32) PODATKI O STROJU Krmiljenje: Heidenhain TNC 407 Dimenzije in teža Dimenzije (D x Š x V): 2.000 x 2.500 x 2.100 mm Teža stroja: pribl. 3.500 kg Opomba: Simodrive stroja je v okvari.

Stanje: rabljeno, Leto izdelave: 1986, x-putovanje 500 mm y-putovanje 360 mm z-putovanje 400 mm Upravljanje Siemens 810 Prihvat alata SK 40 Površina stola 800x390 mm Širina T-utorâ 14H7 mm Broj T-utorâ 6 Razmak T-utorâ 63 mm Brzina vretena 20–4000 o/min Broj stepeni prenosa 4 Posmak 1–2000 mm/min Brzi hod 5 m/min Ukupna potrebna snaga 9 kW Težina mašine cca 2 t Dimenzije cca 2,5x2,9x1,9 m Tehnički podaci su prema navodima proizvođača ili operatera i stoga nisu obavezujući za nas. Zadržavamo pravo međuprodaje; primenjuju se isključivo naši uslovi poslovanja i prodaje. O nama više od 400 sopstvenih mašina na lageru preko 15.000 m² skladišnog prostora, kapacitet krana 70 t više od 10.000 artikala dodatne opreme za vašu radionicu Ako želite da prodate mašine, proizvodne linije ili svoju firmu, kontaktirajte nas. Ijdoyt R Eiopfx Agtsat Dodatne ponude možete pronaći na našem vebsajtu. Obilasci su mogući po dogovoru. Radujemo se vašoj poseti. Vaš Markus Hirsch tim

Stanje: pripravljen za uporabo (rabljen), Leto izdelave: 2004, obratovalne ure: 18.396 h, Funkcionalnost: popolnoma funkcionalen, potovalna razdalja osi X: 650 mm, pomik osi Y: 450 mm, pomik po osi Z: 450 mm, model krmilnika: Heidenhain 530, število osi: 3, Leta 2022 so bila zamenjana vrata orodnega magazina. Leta 2023 je bil zamenjan servopretvornik SIMODRIVE 611/18A! TEHNIČNI PODATKI Pomik X-osi: 650 mm Pomik Y-osi: 450 mm Pomik Z-osi: 450 mm Vpenjalo orodij: SK 40 Število osi: 3 PODROBNOSTI O STROJU Krmiljenje: Heidenhain 530 Iodpfx Asx Up E Eegtsat Obratovalne ure Ure vretena: 18.396 Ure stroja: 56.040

Stanje: rabljeno, Leto izdelave: 1996, Technical Details: X-axis travel: 600 mm y-axis travel: 450 mm z-axis travel: 400 mm Control: Heidenhain TNC 425 Spindle taper ISO: SK 40 DIN 69871 Quill stroke vertical: 75 mm Distance column to table edge: 190 mm (fixed) vertical Spindle head swivels left and right: 90° vertical spindle Distance spindle/table min./max.: 165/565 mm vertical spindle Distance spindle/table min./max.: 165/565 mm horizontal spindle Spindle speed range: 20 ... 4500 rpm Tool magazine with: 32 tools (type HTC 32) Feed rate: 1 ... 5000 mm/min Table size: 850x440 mm Swivelling table +/-: no = fixed Table load capacity: 500 kg Total power requirement: 15 kW Weight approx.: 3500 kg Machine dimensions approx. LxWxH: 2.5 x 3.0 x 2.1 m Control cabinet dimensions LxWxH: 1.6 x 0.6 x 1.7 m Equipment: - Coolant tank, capacity 100 litres, flow rate 16 l/min - Control panel with extension arm - Electronic handwheel - 8 machine feet Iasdpfx Agsu Nc T Rstet

Stanje: rabljeno, Leto izdelave: 1996, Technical details: X-axis travel: 600 mm Y-axis travel: 450 mm Z-axis travel: 400 mm Spindle taper: IBAG SKI 25 Control: Heidenhain TNC 425 Vertical quill stroke: unknown mm Speed range: 2,400 – 24,000 rpm Feed rate: 1 ... 5,000 mm/min Table clamping surface: 850 x 440 mm Table swiveling +/-: fixed ° Table load: 500 kg Tool holders / stations: 32 places for IBAG SKI 25 Approx. weight: 3,600 kg Machine dimensions approx. (L x W x H): 2.5 x 3.0 x 2.1 m Control cabinet dimensions: L: 1,550 x W: 550 x H: 1,700 mm Universal milling and drilling machine - with IBAG high-frequency spindle type HF 100A-30/24 - Milling spindle taper IBAG SKI 25 with IBAG pull stud - Coolant tank, delivery rate 16 l/min and 100 liters capacity Accessories: - 3D probe Heimer for IBAG milling spindle Iodpfxsu Nc Uhj Agteat - Tool holders/collets IBAG, subject to availability - Electronic handwheel as per manufacturer.

Stanje: dober (rabljeno), Leto izdelave: 1983, Commande : Commande de positionnement et de déplacement incl. écran HEIDENHAIN TNC 135 Commande manuelle 3 axes DONNÉES TECHNIQUES Domaine de travail Axe X (longitudinal) manuel/automatique : 410/390 mm Axe Y (transversal) manuel/automatique : 310/290 mm Axe Z (vertical) manuel/automatique : 400/380 mm Course de broche verticale : 63 mm Surface de serrage de la table angulaire : 700 x 285 mm Puissance d'entraînement (à 1500 tr/min) : 2,2 kW Plage de vitesses : 45–2000 tr/min Nombre de vitesses : 12 Pas d'étagement (progression géométrique) : 1,4 Porte-outil (DIN 2079) : ISO 40 ÉQUIPEMENT/ACCESSOIRES - Commande manuelle et par programme CNC - Usinage vertical et horizontal - Tête de fraisage verticale orientable - Tête de fraisage verticale à angle réglable - Avance manuelle de la broche verticale - Table angulaire - Dispositif de refroidissement - Bac à liquide de refroidissement et à copeaux - Carters de protection contre les projections de copeaux dans la zone de travail - Éléments de calage - Documentation Iodpfsht Hbujx Agtsat

Stanje: zelo dobro (rabljeno), Hermle UWF 900 Letnik izdelave po električni shemi: 1992 Krmiljenje Heidenhain 407 Ročni volan Omrežna povezava Hitrost vrtenja: 4.000 obr/min Tehnični podatki: Isdpfx Ajxf Ec Ssgtoat X-hod: 600 mm Y-hod: 400 mm Z-hod: 420 mm Orodni nosilec SK 40 Razdalja vreteno / miza: 127 - 567 mm Premer vretena v sprednjem ležaju: 55 mm Na voljo so videoposnetki stroja!

Leto izdelave: 1996, stanje: pripravljen za uporabo (rabljen), Premik X/Y/Z: 600mm/400mm/420mm, pomik X/Y/Z: 6m/min, hitri prehod: 6m/min, moč vretena: 8kW, število obratov: 4500obr/min, hod pinole: 75mm, dimenzije mize X/Y: 900mm/450mm. Dimenzije stroja X/Y/Z: cca 2800mm/2200mm/2100mm, teža: cca 2800kg, krmilje: Heidenhain 415B, delovni čas: cca 56193h. Vključuje KSS enoto in 3D merilno tipalo. Zavora Z-osi je potrebna zamenjave. Dokumentacija je na voljo. Ogled na lokaciji je možen. Iedpfeyifk Ajx Agtoat

Leto izdelave: 1990, stanje: pripravljen za uporabo (rabljen), Pomik X/Y/Z: 700mm/550mm/500mm, dimenzije mize X/Y: 1000mm/490mm, držalo orodja: SK40, hitrost: 3150min⁻¹, hod pinole: 100mm. Dimenzije stroja X/Y/Z: pribl. 3500mm/2500mm/2100mm, teža: pribl. 3300kg, krmiljenje: Heidenhain 415, delovnih ur: pribl. 64000h. Vključuje hladilno črpalko in inkapsuliran merilni sistem dolžine LS403C. Dokumentacija je na voljo. Ogled na lokaciji je možen. Iedpfx Agsxvrvgeteat

Leto izdelave: 1994, stanje: pripravljen za uporabo (rabljen), A CNC universal milling and drilling machine Hermle is available. Travel (X/Y/Z): 700mm/550mm/500mm, quill stroke: 95mm, spindle power: 12kW, spindle speed: 4200rpm, spindle swivel: +/-75°, tool holder: SK40, clamping force: 12kN, feedrate: 10m/min, rapid traverse: 10m/min. Machine dimensions (X/Y/Z): approx. 4400mm/4250mm/2300mm, weight: approx. 4500kg, control: Heidenhain TNC 425. Documentation available. Inspection on site is possible. Isdsw D Evlspfx Agtjat

Stanje: pripravljen za uporabo (rabljen), Na voljo je CNC univerzalni orodjarski rezkalni stroj Hermle. Pomik X/Y/Z: 700mm/550mm/500mm, dimenzije mize X/Y: 1000mm/500mm, gib vretena: 100mm, vpenjanje orodja: SK40, število vrtljajev: 3150 o/min, pomik: 2m/min, hitri pomik: 5m/min, maks. teža obdelovanca: 400kg. Dimenzije stroja X/Y/Z: cca. 3900mm/3300mm/2100mm, teža: cca. 3300kg, krmilje: Heidenhain TNC 150. Ogled na lokaciji je možen. Iaedpfx Aoxwcu Asgtst

Stanje: pripravljen za uporabo (rabljen), Leto izdelave: 1999, obratovalne ure: 26.863 h, Funkcionalnost: popolnoma funkcionalen, številka stroja/vozila: 12803, potovalna razdalja osi X: 600 mm, pomik osi Y: 450 mm, pomik po osi Z: 450 mm, model krmilnika: HEIDENHAIN TNC 430, največja hitrost vretena: 12.000 obr/min, No reserve price – guaranteed sale to the highest bidder! The payment deadline for the machine is 20/11/2025! Placing a bid obliges you to collect the machine punctually between 01/12/2025 and 05/12/2025! TECHNICAL DETAILS Travel distances X-axis travel: 600 mm Y-axis travel: 450 mm Z-axis travel: 450 mm Feed rate in X: 1–2,000/3,0000 mm/min Feed rate in Y: 1–2,000/3,0000 mm/min Feed rate in Z: 1–2,000/3,0000 mm/min Rapid traverse in X-axis: 35 m/min Rapid traverse in Y-axis: 35 m/min Rapid traverse in Z-axis: 35 m/min Clamping surface of table: 800 x 465 mm Max. spindle speed: 12,000 rpm Iodjxnkfkspfx Agteat Measuring system resolution: 0.1 µm Measuring system input increment: 0.1 µm Measuring system display increment: 0.1 µm MACHINE DETAILS Control: HEIDENHAIN TNC 430 Dimensions & Weight Dimensions (L x W x H): 2800 x 2100 x 2700 mm Weight: 6700 kg Operating hours Spindle hours: 26,863 h Control on-hours: 81,084 h EQUIPMENT Individual feed motors for each axis – three-phase AC (brushless) Note: The clamping devices mounted on the worktable (vices, chucks, etc.) are not included in the scope of sale and delivery. The machine comes without tool holders and tools.

Stanje: pripravljen za uporabo (rabljen), Leto izdelave: 1996, Funkcionalnost: popolnoma funkcionalen, širina mize: 520 mm, dolžina mize: 900 mm, skupna masa: 4.500 kg, proizvajalec krmilnikov: Heidenhain, TEHNIČNI PODATKI Velikost mize: 900 x 520 mm PODATKI O STROJU Krmiljenje: Heidenhain Mere postavitve (DxŠxV): 3,16 x 3,62 x 2,37 m Teža: 6.000 kg Električni podatki Iodpfx Agoxl Sy Deteat Obratovalna napetost: 400 V / 3~ Omrežna frekvenca: 50 Hz Krmilna napetost: 24 V Skupni nazivni tok: 23 A Skupna moč: 16 kVA Teža: 4.500 kg

Stanje: nepreverjeno (rabljeno), x-travel: 850 mm y-travel: 440 mm Iaodpfx Agjud Illetot z-travel: / mm Control: TNC 355C Function: Untested Operating hours: 42,427 h

Stanje: rabljeno, Leto izdelave: 1996, x-hod 850 mm y-hod 630 mm z-hod 500 mm Krmiljenje Heidenhain Ijdpfjuxfz Ajx Agtoat Skupna potrebna moč 16 kW Potrebni prostor cca 5 x 4,2 m

Stanje: pripravljen za uporabo (rabljen), x-Weg 510 mm y-Weg 450 mm z-Weg 410 mm Aufnahmekegel der Hauptspindel MAS BT 45° (SK40) Isdpfoxaam Ujx Agtoat Tischaufspannfläche 800 x 395 mm T-Nuten 6 Stk. Drehzahl 50 - 2500 U/min Vorschub stufenlos 4-1600/4-1000 mm/min Spannung 400 V Gesamtleistungsbedarf 5.0 kW Maschinengewicht ca, 1400 kg Abmessung L-B-H 2300 x 2300 x 1800 mm aus einer Ausbildungswerkstatt gepflegter Zustand (!!) - im überprüften Zustand - Maschinenvideo - ?v=iSTVEdv2fO8 Ausstattung : - robuste Universalfräsmaschine - schwenkbares Bedienpult, rechts vorne - drehbarer Universalfräskopf (re/li = 90°) * mit hydraulischer Werkzeugklemmung - manueller Frässpindelvorschub, mit Feststellung - schwenkbarer Frässpindelschutz - stabiler T-Nuten Aufspann-/Winkeltisch - Achsenvorschübe mit Eilgang - Zentralschmiereinheit - Schaltschrank, links verbaut * Digitalanzeige - ohne Funktion