Adige Sys Center Za Obdelavo Pločevine nakup rabljenega (101.395)

Stanje: novo, Širina pločevine 1550 mm Debelina pločevine 4,5 mm Ukrivljenost 4,0 mm Dolžina valja 1550 mm Najmanjši premer približno 190 mm Premer valja – zgornji 140 mm Hitrost upogibanja 3,0 m/min Moč motorja 2,2 kW Teža 1420 kg Dimenzije (D-Š-V) 2700 x 750 x 1000 mm Oprema: - robusten elektromehanski stroj za okroglo upogibanje - 2 x osrednji valji, pogonjeni z elektromotorjem (zgornji in spodnji valj) - zgornji valj se lahko ročno premika vstran, z vrtljivim ležajem - vključno z napravo za konično upogibanje - prosto premikajoča se upravljalna plošča - spodnji valj se lahko ročno premika, z ročnim kolesom - asimetrična razporeditev valjev - samozavori glavni motor - varnostna naprava (varnostna vrvica z enoto stikala) - oznaka CE/izjava o skladnosti Posebna oprema, vključena v ceno: Ksdpfezkbn Isx Ahcjnb - kaljeni valji - motorično nastavljanje stranskih valjev - digitalni prikazovalnik položaja za motorično nastavljiv stranski valj

Stanje: pripravljen za uporabo (rabljen), Leto izdelave: 1992, Širina pločevine 2050 mm Debelina pločevine 10,0 mm ST Globina upogiba 8,0 mm ST Premer zgornjega valja ~ 205 mm Premer stranskega valja ~ 195 mm Nadzor: konvencionalen Vsebnost olja 80,0 litrov Napetost 380 V Skupna potrebna moč 5,5 kW Teža 3200 kg Dimenzije D-Š-V 4500 x 1500 x 1300 mm Kjdpjxacdvjfx Ahconb - v stanju, pripravljenem za uporabo - video stroja - ?v=sTpYXaCbxsc Oprema: - robusten elektro-hidravlični stroj za okroglo upogibanje s 3 valji - koncept s 3 valji omogoča različne možnosti upogibanja in zaokroževanja - vrtljiva nadzorna enota, spredaj * Upravljanje - nadzor vseh valjev oziroma osi stroja * digitalni prikaz položaja * ročno upravljanje s pomočjo palic JOY-STICK - premer do 1,1-kratnika premera zgornjega valja je možen - kovani in kaljeni valji s trdoto 53-55 HRC - stroj z minimalnimi zahtevami za vzdrževanje in stabilno konstrukcijo - stabilna jeklena varjena konstrukcija - elektro-hidravlični tečajni ležaj za enostavno odstranjevanje cevi - manometer / prikazovalnik tlaka za valje - varnostna naprava (varnostni kabel s stikalno enoto) - navodila za uporabo (PDF)

Stanje: novo, Sheet width 1600 mm Sheet thickness 15.0 mm (steel) Pre-bending 13.0 mm (steel) Top roll diameter 230 mm Side roll diameter 210 mm Lower roll diameter 190 mm Total power requirement 7.5 kW Machine weight approx. 4225 kg Space required approx. 4000 x 1300 x 1440 mm Equipment: - Electro-hydraulic 4-roll plate bending machine - 2x driven main rolls (top & bottom rolls) - With hydraulic cone bending device - Induction-hardened rolls - Including straightening function for welded pipes - Control unit/display with touchscreen function * Digital position indicator for both side rolls - Mobile control console - 2x selectable bending speeds Knodexabkhopfx Ahceb - Hydraulic folding bearing - Safety device (safety rope with switch unit) - Manometer / pressure gauge for the rolls - CE mark + Declaration of conformity - Operating manual Illustration shows identical model series

Stanje: novo, Sheet width: 3100 mm Sheet thickness: 8.0 mm steel Bending capacity: 6.0 mm steel Top roll diameter: 230 mm Side roll diameter: 210 mm Lower roll diameter: 190 mm Total connected load: 7.5 kW Machine weight approx. 6,020 kg Space requirement approx. 5142 x 1390 x 1300 mm Equipment: - Electro-hydraulic 4-roll plate bending machine - 2 driven main rolls (top and bottom roll) - With hydraulic cone bending device - Induction hardened rolls Kjdpoxabm Asfx Ahcenb - Integrated straightening function for welded pipes - Control unit / Display with touchscreen function * Digital position indicator for both side rolls - Mobile control panel - 2 selectable bending speeds - Hydraulic drop-end bearing - Safety device (safety rope with switch unit) - Manometer / pressure gauge for the rolls - CE mark & Declaration of Conformity - Operating manual

Stanje: novo, Sheet width: 3100 mm Knsdoxabflepfx Ahcob Sheet thickness: 13.0 mm Pre-bending capacity: 10.0 mm Top roll diameter: 300 mm Side roll diameter: 210 mm Bottom roll diameter: 270 mm Total power requirement: 11.0 kW Equipment: - Electro-hydraulic 4-roll plate bending machine - 2x driven main rolls (top & bottom roll) - With hydraulic cone bending device - Induction-hardened rolls - Including straightening function for welded pipes - Control unit/display with touchscreen functionality * Digital position indicator for both side rolls - Mobile operating console - 2x selectable bending speeds - Hydraulic drop-end bearing - Safety feature (safety cord with switch unit) - Manometer/pressure gauge for the rolls - CE mark + Declaration of Conformity - Operating manual

Stanje: novo, Sheet width: 3100 mm Sheet thickness: 16.0 mm steel Pre-bending: 20.0 mm steel Top roll diameter: 360 mm Side roll diameter: 250 mm Lower roll diameter: 330 mm Total power requirement: 15.0 kW Machine weight approx. 13,200 kg Space requirement approx. 5542 x 2100 x 1983 mm Equipment: - Electro-hydraulic 4-roll plate bending machine - 2x driven main rolls (top & lower roll) - With hydraulic cone bending device - Induction-hardened rolls - Including straightening function for welded pipes - Control unit / touchscreen display * Digital position display for both side rolls - Mobile control console - 2x selectable bending speeds - Hydraulic drop-end bearing - Safety device (safety rope with switch unit) - Manometer / pressure display for the rolls Knodpfexabzasx Ahcob - CE marking + declaration of conformity - Operating instructions

Stanje: novo, Sheet width: 2,600 mm Sheet thickness: 10.0 mm Bending capacity: 8.0 mm Top roller diameter: 230 mm Side roller diameter: 190 mm Lower roller diameter: 210 mm Total power requirement: 7.5 kW Machine weight: approx. 5,560 kg Dimensions (LxWxH): 4,650 x 1,380 x 1,300 mm Equipment: - Electro-hydraulic 4-roll plate bending machine - 2x powered main rollers (top and bottom roller) - With hydraulic cone bending device - Induction-hardened rollers - Includes alignment function for welded pipes - Control unit/display with touchscreen function * Digital position display for both side rollers - Mobile control panel - 2x selectable bending speeds - Hydraulic drop-end bearing - Safety device (safety cable with switch unit) - Manometer/pressure gauge for the rollers - CE marking + declaration of conformity Kodpfx Ajxaalqjhconb - Operating manual

Stanje: kot nova (razstavni stroj), Leto izdelave: 2025, Sheet width: 1050 mm Sheet thickness: 2.0 mm Roll length: 1070 mm Upper roll diameter: 75.0 mm Motor power: 1.5 kW Weight: 325 kg Knjdpfjxacbuex Ahcsb Dimensions (L x W x H): 1530 x 700 x 1160 mm Demonstration machine - like NEW Not yet in use (!!) Special price on request Equipment: - Electrically powered 3-roll plate bending machine - Asymmetric roll arrangement - 2 driven rolls via brake motor - Manual swing-out bearing for quick removal of workpiece - Wire grooves on bottom and rear rolls - Double foot switch for left/right operation including emergency stop button - Rear roll adjustment with ratchet lever - Electrical safety device

Stanje: novo, Sheet width: 2100 mm Sheet thickness: 8.0 mm steel Bending capacity: 6.0 mm steel Top roll diameter: 190 mm Side roll diameter: 150 mm Lower roll diameter: 170 mm Total power requirement: 3.0 kW Kjdpfx Ahexab E Eecsnb Machine weight: approx. 3,290 kg Space requirement: approx. 4042 x 1380 x 1254 mm Equipment: - Electro-hydraulic 4-roll plate bending machine - 2x driven main rolls (top & bottom roll) - with hydraulic conical bending device - Induction-hardened rolls - Includes calibration function for welded pipes - Control unit/display with touchscreen functionality * Digital position display for both side rolls - Mobile control panel - 2x selectable bending speeds - Hydraulic drop-end bearing - Safety equipment (safety cord with switch unit) - Manometer / pressure gauge for the rolls - CE marking + Declaration of Conformity - Operating manual

Stanje: novo, Sheet width: 4100 mm Sheet thickness: 8.0 mm steel Pre-bending: 6.0 mm steel Top roll diameter: 300 mm Side roll diameter: 210 mm Bottom roll diameter: 270 mm Total power requirement: 7.5 kW Machine weight approx. 9,930 kg Required space approx. 6532 x 1730 x 1489 mm Equipment: - Electro-hydraulic 4-roll plate bending machine - 2 driven main rolls (top & bottom roll) - With hydraulic cone bending device - Induction-hardened rolls - Includes straightening function for welded pipes - Control unit / display with touchscreen function * Digital position indicator for both side rolls - Mobile control panel - 2 selectable bending speeds - Hydraulic drop-end - Safety device (safety cord with switch unit) - Manometer / pressure gauge for the rolls - CE marking + Declaration of Conformity Knsdpexab Tcjfx Ahcsb - Operating manual

Stanje: kot nova (razstavni stroj), Leto izdelave: 2025, Sheet width: 1250 mm Sheet thickness: 1.5 mm Roll length: 1270 mm Top roll diameter: 75.0 mm Motor power: 1.5 kW Weight: 400 kg Dimensions (LxWxH): 1730 x 700 x 1160 mm Demo machine - LIKE NEW Has not yet been in use (!!) Special price on request Kedpfxsxaafdj Ahcsnb Equipment: - Electrically powered 3-roll plate bending machine - Asymmetric roll arrangement - 2 powered rolls via brake motor - Manual drop-end for quick removal of the workpiece - Wire grooves on lower and rear rolls - Double foot switch for left/right operation, including emergency stop button - Rear roll adjustment with notched lever - Electrical safety device

Stanje: novo, Sheet width: 4,100 mm Sheet thickness: 13.0 mm (steel) Pre-bending: 10.0 mm (steel) Top roll diameter: 360 mm Side roll diameter: 250 mm Lower roll diameter: 330 mm Total power requirement: 11.0 kW Machine weight: approx. 16,000 kg Required floor space: approx. 6542 x 1677 x 1900 mm Equipment: - Electro-hydraulic 4-roll plate bending machine Knedpjxabuyofx Ahcsb - 2 driven main rolls (top and bottom roll) - With hydraulic cone bending device - Induction-hardened rolls - Includes straightening function for welded pipes - Control unit/display with touchscreen functionality * Digital position indicator for both side rolls - Mobile control desk - 2 selectable bending speeds - Hydraulic drop-end bearing - Safety device (safety rope with switch unit) - Manometer/pressure gauge for the rolls - CE mark + Declaration of Conformity - Operating manual

Stanje: rabljeno, Leto izdelave: 2005, Premer obdelovanca 170 mm Maksimalna dolžina obdelovanca 120 mm Premer vretena 52 mm Krmilnik FANUC MSX-501 Hod - x1 140 mm Hod - x2 140 mm Hod - z1 450 mm Hod - z2 410 mm Hod - y +/- 40 mm Hod - b (vreteno 2) 525 mm Število vrtljajev vretena, postaja 1: 60 - 6000 vrt/min Premer vretena 1: 62 mm Število vrtljajev vretena, postaja 2: 60 - 6000 vrt/min Premer vretena 2: 62 mm Število vrtljajev pripomočkov: 6.000 vrt/min Knsdpfxezyvb Ij Ahceb CNC strojno obdelovalni center za struženje in frezanje | MORI SEIKI - ZT 1500 Y, opremljen z 2 revolver turretama, prilagojenimi za pripomočke z pogonom, osjo Y in podajalnikom palic. Stroj je v dobrem stanju. Za dodatne tehnične podrobnosti si oglejte ponudbo. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - #Oznake: ZT1500Y | ZT-1500 Y | ZT 1500Y | ZT-1500-Y

Stanje: zelo dobro (rabljeno), Leto izdelave: 1999, Funkcionalnost: popolnoma funkcionalen, For sale: CNC LATHE from the renowned brand GILDEMEISTER CTX 400 V5 Equipped with driven tools, dual C-axis, and sub-spindle. --- Type: CNC Lathe Manufacturer: GILDEMEISTER Model: CTX 400 V5 Control: HEIDENHAIN 3190 + TURN PLUS overlay Country of origin: Germany Year of manufacture: 1999 --- Machine specifications: - Turret: 12 stations for VDI 30 tool holders (all positions powered) - Max spindle speed: 5,000 rpm - Max turning length (Z-axis): 570 mm - Max turning diameter (X-axis): 300 mm - 2 x C-axis - Driven tools - Sub-spindle - Main spindle chuck: E185 - Sub-spindle chuck: E173 - Max bar diameter: Ø65 mm - Parts catcher - Tool probe - Coolant system - Chip conveyor - Spindle drive power: 21 kW - Documentation (DTR) - Machine weight: 5.7 tons --- Knedpfxou Aardo Ahcjb WHY BUY MACHINES FROM PPM? - We operate our own stationary and mobile service - Over 700 DMG machines sold - Commissioning available at customer site - Operator training and delivery included in the price - All our machines receive a comprehensive technical inspection – 100% ready for operation - Purchase possible via installment plan or leasing --- www_ppmsc_pl

Stanje: rabljeno, številka stroja/vozila: 006619, Pozicija 1: Nakladalec IMA + MEINERT-COMBIMA/I/R75/2050 Ksdeqy Em Njpfx Ahcsnb Pozicija 2: Dvo-kotni profilirni stroj – samostojni stroj IMA + MEINERT-COMBIMA/I/R75/2050 Pozicija 3: Obratnik plošč IMA + MEINERT-COMBIMA/I/R75/2050 Pozicija 4: Enostranski robni lepilni stroj IMA + MEINERT-COMBIMA/I/R75/2050 Pozicija 5: Transfer IMA + MEINERT-COMBIMA/I/R75/2050 Pozicija 6: Enostranski robni lepilni stroj IMA + MEINERT-COMBIMA/I/R75/2050 Pozicija 7: Obratnik plošč IMA + MEINERT-COMBIMA/I/R75/2050 Pozicija 8: Razkladalec IMA + MEINERT-COMBIMA/I/R75/2050

Stanje: zelo dobro (rabljeno), Leto izdelave: 2021, številka stroja/vozila: AB00019454, Funkcionalnost: popolnoma funkcionalen, vhodna napetost: 400 V, vhodni tok: 30 A, vhodna frekvenca: 50 Hz, skupna masa: 2.500 kg, Oprema: CE označba, dokumentacija / priročnik, Prodam popolnoma delujočo CNC vrtalno napravo, model SCM Morbidelli CX210, z visokimi hitrostmi premikanja osi, zelo veliko vrtalno glavo, skupaj z glavo za vstavljanje puš za razmik BLUM in žago za izdelavo utorov. Zelo hitra vrtalna naprava, brez elektrovretena. Specifikacije: Min./maks. dolžina obdelovanca mm 200/3.050 Min./maks. širina obdelovanca mm 50/1300 Min./maks. debelina obdelovanca mm 8/95 Maks. teža obdelovanca kg 70 Maks. hitrost premikanja v osi X-Y-Z m/min 70-40-30 VRTALNA GLAVA F31LTC Število navpičnih vreten 21 Število vodoravnih vreten v osi X 6 Število vodoravnih vreten v osi X 4 Hitrost vrtenja vretena obr./min 4.500 Trajno nameščena žaga v osi X, premer mm, obr./min 125 5500 Maks. debelina žage mm 6 Moč motorja kW 2,2 DODATNE MOŽNOSTI Frekvenčni pretvornik za vrtalno glavo za uravnavanje hitrosti vrtenja vrtalne glave v razponu 3000-8000 obr/min Glava za vstavljanje puš z razmikom 45/9,5 Konzola „eye-M PRO“, integrirana z računalnikom Naprava, ki omogoča upravljanje CNC prek priloženih programov. Dobavljeno z: - sistem za spremljanje stanja stroja prek LED svetlobne vrstice - industrijski računalnik: brez ventilatorja, zaščita IP 53 - procesor Intel I7 – 2,80/3,80 GHz - RAM 8 GB – DDR4 Ksdozz Syvspfx Ahcenb - trdi disk SSD 256 GB - program Windows 10 IOT – 64 bit - tipkovnica QWERTY, angleška različica - žična miška, 3 funkcije - priključek Ethernet RJ45 - priključek USB: 1 na voljo - nominalna delovna temperatura +5°C / +35°C - barvni LCD zaslon, 21 palcev, full HD, format 16/9, LED osvetlitev, večtočkovni sistem na dotik (10 točk) Daljinski upravljalnik Dodatni strojni USB ključ za program Maestro CNC.

Stanje: zelo dobro (rabljeno), Leto izdelave: 2013, Funkcionalnost: popolnoma funkcionalen, Leto proizvodnje: 2013 Rezalna glava Delovno območje X: 3000 Delovno območje Y: 900 Delovno območje Z: 50 Ločene enote: 1 Navpično vrtalo: 12 Vodoravno vrtalo X: 4 Vodoravno vrtalo Y: 2 Žaga za utore: Da Stacionarna naprava: Da Sistem vpenjanja: primeži Zaščita: fotocelična Kedpfxezxyfzj Ahcjnb Nadzorni sistem in programska oprema SCM XILOG Minimalne dimenzije: 3920x1170x2150

Stanje: zelo dobro (rabljeno), Leto izdelave: 2023, Funkcionalnost: popolnoma funkcionalen, For sale: Hundegger SC 480 Speed-Cut – Year of manufacture 2023 We are selling our fully automatic cutting system Hundegger SC 480 Speed-Cut from 2023. Machine specifications (excerpt): - SC 480 Fully automatic cutting system, base machine with 5-axis saw unit – mirror version - Hundegger production software CAMBIUM - Line laser for component referencing - Infeed and transfer cross conveyor 10.1 m, 7 strands (for timber lengths up to 13 m) - Hydraulic lifting table for timber length 13 m (6 t) - Vertical finger milling unit 6.5 kW as well as 10 kW HSK spindle - 4-axis revolver milling unit 7.5 kW universal unit - Drilling unit 3.0 kW hydropneumatic - Slotting unit - Inkjet marking system (max. 101.6 mm) - Label printer at component outfeed - Pneumatic discharge table for timber lengths up to 13 m - Central lubrication system - Various other options and units Kjdpfx Ahoza Dzdecenb General information: Year of manufacture: 2023 Operating hours: low (machine from ongoing production) Regularly serviced by Hundegger Condition: very good Contact: Philipp Schöb, Schöb AG, Haagerstrasse 80, 9473 Gams

Stanje: rabljeno, Leto izdelave: 2004, Širina pločevine: 1550 mm Debelina pločevine: 6 mm Premer zgornjega valja: 228 mm Pogon: elektronski, z dvema motorjema Oprema: naprava za stožčasto upogibanje, odklopna stranska opora, zadnji valj z motorično nastavitvijo; digitalni prikazovalnik in utrjeni valji so na voljo kot dodatna oprema, odvisno od izvedbe. Kjdpfxszxt Txe Ahcenb

Stanje: rabljeno, Leto izdelave: 2009, obratovalne ure: 3.483 h, Funkcionalnost: popolnoma funkcionalen, skupna dolžina: 5.550 mm, skupna širina: 2.250 mm, Premer palice (maks.): 95 mm, skupna masa: 8.400 kg, Max. bar machining diameter: 95 mm Max. secondary operation machining diameter: 500 mm Max. machining length: 1250 mm Max. swing diameter: 700 mm MAIN SPINDLE: Variable speed range: 40–2800 rpm Spindle nose: ASA 8" Spindle bore: 111 mm Bearing internal diameter: 150 mm Chuck diameter: 315 mm Motor power: 30 kW TAILSTOCK: Positioning stroke: 1100 mm Ksdpfxovv Ud Rs Ahcsnb Quill stroke: 150 mm Quill diameter: 115 mm MOTORIZED SPINDLE HEAD: Tool mounting type: HSK-63 Max. speed: 6,000 rpm Motorized spindle power: 9 kW B-AXIS UNIT: Total rotation range: 205° Rotation beyond tailstock axis: 15° Rotation beyond spindle axis: 10° Angular position with mechanical locking: Every 5° CROSS SLIDE: Max. Z stroke: 1300 mm Max. X stroke: 520 mm Max. Y stroke: 210 mm (+120 / –90) TOOL MAGAZINE: Magazine capacity: 40 positions Max. tool diameter with adjacent tools: 80 mm Max. tool diameter without adjacent tools: 140 mm

Stanje: rabljeno, Leto izdelave: 2005, skupna dolžina: 3.940 mm, skupna širina: 1.980 mm, skupna višina: 2.010 mm, Poids à vide : 7 000 kg Largeur de travail : 950 mm Hauteur de travail : 0,5–120 mm - Année de construction : 2005 - Documentation disponible : Non - Marquage CE présent : Oui - Certificat CE disponible : Non - Numéro de série : - Commande : CNC - Nombre de stations [pcs] : 3 - Type de station 1 : Bande abrasive - Type de station 2 : Brosse rotative - Type de station 3 : Brosse rotative - Puissance [kW] : 39 - Épaisseur min. de la tôle [mm] : 0,5 - Épaisseur max. de la tôle [mm] : 120 - Largeur de travail max. [mm] : 950 - Dimensions de transport : 3940 mm x 1980 mm x 2010 mm (L x l x H) - Poids de transport [kg] : 7 000 kg - Nombre de colis de transport : 4 Informations financières TVA : Le prix indiqué s’entend hors TVA TVA/Régime de la marge : TVA récupérable pour les professionnels Livraison et reprise possibles à tout moment pour tout équipement industriel Lukas van Rossum Knsdpfxoxwnbuo Ahcjb

Stanje: rabljeno, Leto izdelave: 2000, Lastna teža: 22.000 kg Delovna širina: 1500 mm Delovna dolžina: 2160 mm Debelina pločevine: 2 mm Ksdpezrd Iaofx Ahcenb S kompletno nakladalnim sistemom - Letnik izdelave: 2000 - Dokumentacija na voljo: Da - CE-oznaka prisotna: Da - CE-certifikat prisoten: Ne - Serijska številka: 12/50 - Upravljanje: CNC - Moč [kW]: 18,0 - Največja debelina pločevine [mm]: 2 - Največja delovna širina [mm]: 1500 - Opcije: Nakladalni sistem - Transportna teža [kg]: 22.000 kg Finančne informacije: DDV: Navedena cena je brez DDV DDV/obdavčitev razlike: DDV je odbiten za podjetja Dostava in odkupi so možni kadarkoli za vse industrijske naprave. Lukas van Rossum

Stanje: skoraj kot novo (rabljeno), Leto izdelave: 2021, številka stroja/vozila: 1000042824, Ponujamo zelo dobro ohranjen stroj Biesse BREMA EKO 2.2, leto izdelave 2021. Stroj vključuje zamenjavo orodij, dva agregata in komplet orodij. Programska oprema bSolid. Kedpfx Ahezcrfpocsnb Stroj je bil servisiran s strani našega tehnika, zato dobro poznamo njegovo stanje in zgodovino. Stroj lahko preizkusite pri nas v Brnu, v našem razstavnem prostoru.

Stanje: dober (rabljeno), Funkcionalnost: popolnoma funkcionalen, 1. postaja: odstranjevanje robnih srhov pločevine, 2. postaja: odstranjevanje srhov pri izrezih in zunanjih radijih, z VA krtačami; maksimalna debelina pločevine: 5 mm Kedpszwt Rbsfx Ahcjnb

Stanje: novo, Leto izdelave: 2024, Širina pločevine: 1050 mm Debelina pločevine: 5,5 mm Nagib: 5,0 mm Premer valja: 130 / 195 mm Skupna potrebna moč: 2,2 kW Masa stroja: približno 1050 kg Potreben prostor: približno 2150 x 900 x 1200 mm Oprema: - 2 osrednja valja, pogonjena z elektromotorjem - zgornji valj je odklonljiv - naprava za stožčasto upogibanje - ločena nadzorna plošča - glavni motor z avtomatskim zavorjenjem - znak CE/izjava o skladnosti Posebna oprema, vključena v ceno: Knjdpfxjq Sz Ahe Ahceb - kaljeni valji - motorično nastavljanje zadnjega valja - digitalni prikazovalnik