{"id":1343,"date":"2025-02-06T11:38:38","date_gmt":"2025-02-06T10:38:38","guid":{"rendered":"https:\/\/srsc.rs\/rs\/?page_id=1343"},"modified":"2025-05-30T09:40:01","modified_gmt":"2025-05-30T07:40:01","slug":"lasersko-navarivanje-tehnologija","status":"publish","type":"page","link":"https:\/\/srsc.rs\/rs\/lasersko-navarivanje-tehnologija\/","title":{"rendered":"Lasersko navarivanje tehnologija"},"content":{"rendered":"\t\t
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Lasersko navarivanje<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Lasersko navarivanje je tehnologija dodavanja jednog materijala na povr\u0161inu drugog, ubrizgavanjem mlaza metalnog praha (ili dodavanjem metalne \u017eice) u mikro krater rastopljenog materijala, koji je generisan laserskim zrakom kojim se prelazi preko ciljne povr\u0161ine, nanosec\u0301i premaz odabranog materijala.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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\n\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\tTehnologija<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\tTehni\u010dke karakteristike<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Tehnologija<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Tehnologija LASERSKOG NAVARIVANJA <\/strong>ima mnogo naziva, tako da se njene varijante i podprocesi mogu klasifikovati na slede\u0107i na\u010din:<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Tehnologija\u00a0Laserskog navarivanja<\/strong>\u00a0je proces zavarivanja i nadogradnje, koja je komplementarna tehnologija nanosa materijala u odnosu na tradicionalne procese navarivanja, poput onih zasnovanih na tehnikama termalnog prskanja praha tzv. \u201cmetalizacija\u201d (HVOF \u2013 metalizacija praha uduvavanjem kiseonika velikim brzinama, HVAF \u2013 metalizacija praha uduvavanjem vazduha velikim brzinama), kao i na tehnikama navarivanja elektri\u010dnim lukom (npr. GTAW \u2013 navarivanje volframovim lukom u za\u0161ti\u0107enoj gasnoj atmosferi, PAW \u2013 navarivanje plazma lukom, PTA \u2013 navarivanje plazma prenosivim lukom, GMAW \u2013 navarivanje metalnim lukom u za\u0161ti\u0107enom gasu, SAW \u2013 tj. EPP \/ Elektrolu\u010dno navarivanje Pod Pra\u0161kom u za\u0161ti\u0107enoj atmosferi dodavanjem \u017eice, itd.).<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Glavni nedostaci tehnika elektrolu\u010dnog zavarivanja<\/strong> (eng., Arc Welding) su veliki unos toplote u deo i, u zavisnosti od pojedinosti, relativno visoko razbla\u017eivanje oblo\u017eenog materijala (tj. ne\u017eeljeno me\u0161anje osnovnog materijala u oblo\u017eeni sloj).<\/p>

Unos toplote u deo mo\u017ee izazvati mehani\u010dko izobli\u010denje povr\u0161ine radnog dela, a \u0161to zahteva dodatnu ma\u0161insku post-obradu nakon procesa navarivanja.<\/p>

U tehnikama termalnog prskanja praha tzv. metalizacije<\/strong> (eng., \u201cThermal Spraying \/ TS\u201d), material koji se nanosi, u obliku praha, se topi plamenom ili pod dejstvom struje, a zatim se raspr\u0161uje na radni komad. U vec\u0301ini slu\u010dajeva, ovo je proces niske toplote, obi\u010dno <200\u00b0C.<\/p>

Primarna prednost svih tehnika metalizacije termalnim prskanjem je mali unos toplote u deo, \u0161to zna\u010di da nema zone uticaja toplote (HAZ) i da se ostvaruje minimalno me\u0161anje nanetog sa osnovim materijalom.<\/p>

Najvec\u0301i nedostatak metalizacije termalnim prskanjem, je taj \u0161to se ostvaruje mehani\u010dka veza izme\u0111u oblo\u017eenog sloja i materijala podloge, a ne metalur\u0161ka veza.<\/p>

Ovo mo\u017ee dovesti do problema sa prianjanjem i slabom otporno\u0161c\u0301u na habanje, posebno sa preciznim opterec\u0301enjem fokusiranim u jednu ta\u010dku.<\/p>

Tako\u0111e, prevlake nanete ovim postupkom termalne metalizacije su obi\u010dno mnogo ja\u010de na kompresiju nego na zatezanje i \u010desto pokazuju odre\u0111eni nivo poroznosti.<\/p>

Lasersko navarivanje<\/strong> tipi\u010dno proizvodi visokokvalitetnu prevlaku koji ima izuzetno nizak procenat me\u0161anja nanetog sa osnovnim materijalom, nisku poroznost i dobru uniformnost povr\u0161ine radnog dela.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Prednosti tehnologije laserskog navarivanja:<\/strong><\/p>

  • Visokokvalitetna prevlaka sa veoma niskom razmerom me\u0161anja nanetog i osnovnog sloja radnog dela (<3%).<\/li>
  • Niska poroznost i dobra uniformnost povr\u0161ine.<\/li>
  • Minimalan unos toplote, \u0161to elimini\u0161e deformacije i smanjuje potrebu za dodatnom ma\u0161inskom post-obradom.<\/li>
  • O\u010duvanje legiraju\u0107ih elemenata i osnovnog materijala.<\/li>
  • Brzo hla\u0111enje prevlake nanete laserom, stvara finu zrnastu strukturu u prevlaci, \u0161to pobolj\u0161ava otpornost na koroziju.<\/li><\/ul>

    \u00a0<\/p>

    Tehni\u010dke prednosti u odnosu na druge tehnike<\/strong>:<\/p>

    • Niske stope razmere me\u0161anja (<3%).<\/li>
    • Manja potro\u0161nja dodatnog materijala.<\/li>
    • Ve\u0107a tvrdo\u0107a.<\/li>
    • Mala zona zahva\u0107ena toplotom (HAZ).<\/li>
    • Sna\u017ena metalur\u0161ka veza u pore\u0111enju s mehani\u010dkom vezom kod AW i TS tehnika.<\/li><\/ul>

      \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/p>

      Poslovne prednosti:<\/strong><\/p>

      • Pru\u017ea dodatnu za\u0161titu radnih delova, produ\u017eavaju\u0107i njihov vek trajanja i do pet puta.<\/li>
      • Proces je brz, precizan i lako se automatizuje, \u010dime se pove\u0107ava proizvodnja i smanjuje vreme obrade.<\/li>
      • Jednostavna implementacija nakon validacije zbog dokazanih prednosti.<\/li><\/ul>

        \u00a0<\/p>

        Prednosti za korisnike tehnologije laserskog navarivanja:<\/strong><\/p>

        • Izrada novih delova sa du\u017eim vekom trajanja za elemente izlo\u017eene habanju i abraziji.<\/li>
        • Obnova istro\u0161enih delova uz deli\u0107 tro\u0161kova zamene.<\/li>
        • U\u0161teda u tro\u0161kovima odr\u017eavanja kroz obnovu na licu mesta.<\/li>
        • Prevlaka se nanosi samo na potrebna podru\u010dja, \u010dime se izbegava nepotrebno prekrivanje cele komponente.<\/li>
        • Smanjeno vreme zastoja i odr\u017eavanja, \u0161to pove\u0107ava efikasnost rada.<\/li><\/ul>

          \u00a0<\/p>

          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Naj\u010de\u0161\u0107i materijali koji se koriste pri laserskom navarivanju, su legure na bazi nikla\u00a0i\u00a0legure na bazi gvo\u017e\u0111a sa hromom sa preovla\u0111uju\u0107im legiraju\u0107im elementom, a koje se koriste za pobolj\u0161anje podloge dela na otpornost na habanje i visoko optere\u0107enje pri abraziji.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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          Legure metala (na bazi)<\/strong><\/p><\/td>

          Primena<\/strong><\/p><\/td><\/tr>

          KOBALT<\/p><\/td>

          Otpornost na habanje i koroziju<\/p><\/td><\/tr>

          BAKAR<\/p><\/td>

          Obnova istro\u0161enih delova ma\u0161ine<\/p><\/td><\/tr>

          GVO\u017d\u0110E \u2013 HROM<\/p><\/td>

          Otpornost na abraziju, trenje<\/p><\/td><\/tr>

          MANGAN \u2013 \u010cELIK<\/p><\/td>

          Otpornost na habanje<\/p><\/td><\/tr>

          NIKL<\/p><\/td>

          Otpornost na habanje izme\u0111u dva metala<\/p><\/td><\/tr>

          ALATNI \u010cELIK<\/p><\/td>

          Za izradu alata, otpornost na habanje<\/p><\/td><\/tr>

          VOLFRAM KARBID<\/p><\/td>

          Otpornost na abraziju, trenje<\/p><\/td><\/tr><\/tbody><\/table>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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          Prednosti kori\u0161c\u0301enja tehnologije laserskog navarivanja \u200b\u200bu odnosu na metode navarivanja bez lasera<\/strong>:<\/p>

          • Metalur\u0161ko vezivanje malim razbla\u017eivanjem<\/li>
          • Mali ulazni udar i mala izobli\u010denja u pore\u0111enju sa bilo kojim drugim procesom zavarivanja<\/li>
          • Visoka efikasnost talo\u017eenja i razli\u010dite kombinacije ta\u010daka talo\u017eenja<\/li>
          • Potrebno je manje naknadne obrade, ako postoji, na obra\u0111enom delu<\/li>
          • Mogu se tretirati slo\u017eeni oblici komponenti<\/li>
          • Lokalizovana obrada na maloj povr\u0161ini, za razliku od prskanja plazma<\/li>
          • Visoka kontrola procesa i ponovljivost<\/li>
          • Multifunkcionalnost u povr\u0161inskim tehnologijama \u2013 velika brzina, velika snaga, proizvodnja aditiva, kaljenje, legiranje i tretman unutra\u0161njih napona<\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"

            Usluge Lasersko navarivanje Lasersko navarivanje je tehnologija dodavanja jednog materijala na povr\u0161inu drugog, ubrizgavanjem mlaza metalnog praha (ili dodavanjem metalne \u017eice) u mikro krater rastopljenog materijala, koji je generisan laserskim zrakom kojim se prelazi preko ciljne povr\u0161ine, nanosec\u0301i premaz odabranog materijala. Proces Tehnologija Tehni\u010dke karakteristike Reference Tehnologija Tehnologija LASERSKOG NAVARIVANJA ima mnogo naziva, tako da […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"rank_math_lock_modified_date":false,"footnotes":""},"class_list":["post-1343","page","type-page","status-publish","hentry"],"rankMath":{"parentDomain":"srsc.rs","noFollowDomains":[],"noFollowExcludeDomains":[],"noFollowExternalLinks":false,"featuredImageNotice":"The featured image should be at least 200 by 200 pixels to be picked up by Facebook and other social media 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