{"id":4457,"date":"2025-04-26T09:35:00","date_gmt":"2025-04-26T09:35:00","guid":{"rendered":"https:\/\/www.greenstone-tech.com\/?p=4457"},"modified":"2025-10-31T00:59:20","modified_gmt":"2025-10-31T00:59:20","slug":"modul-in-care-alimentarea-cu-sarma-coaxiala-cu-laser-stimuleaza-fabricarea-aditiva-a-metalelor","status":"publish","type":"post","link":"https:\/\/www.greenstone-tech.com\/ro\/how-does-laser-coaxial-wire-feeding-boost-metal-additive-manufacturing\/","title":{"rendered":"Cum stimuleaz\u0103 fabricarea aditiv\u0103 a metalelor alimentarea cu s\u00e2rm\u0103 coaxial\u0103 cu laser?"},"content":{"rendered":"<p><strong>Meta descriere:<\/strong><br>Alimentarea cu fir coaxial cu laser (placare DED\/laser cu fir) asigur\u0103 o utilizare a materialului apropiat\u0103 de 101%, dilu\u021bie redus\u0103 \u0219i depuneri stabile \u0219i de \u00eenalt\u0103 calitate. Afla\u021bi principiul de func\u021bionare, arhitectura sistemului, avantajele fa\u021b\u0103 de firul\/pulberea \u00een afara axei, caracteristicile de proiectare ale Greenstone-Tech, parametrii cheie, aplica\u021bii \u0219i sfaturi de configurare profesional\u0103.<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">Ce este alimentarea cu fir coaxial cu laser?<\/h5>\n\n\n\n<p><strong>Alimentarea coaxial\u0103 cu laser a s\u00e2rmei<\/strong> este o alimentare cu fir <strong>depunere de energie dirijat\u0103 (DED)<\/strong> \/ <strong>placare cu laser<\/strong> proces. Un modul optic dedicat remodeleaz\u0103 laserul \u00eentr-o <strong>grind\u0103 cu inel gol (inelar\u0103)<\/strong>; <strong>firul metalic este alimentat cu precizie prin axa central\u0103<\/strong> din acel inel \u00een bazinul de topire. Deoarece <strong>energia \u0219i materialul sunt perfect coliniare<\/strong>, depunerea r\u0103m\u00e2ne stabil\u0103 \u00een orice direc\u021bie de scanare f\u0103r\u0103 reorientarea constant\u0103 a firului.<\/p>\n\n\n\n<p><strong>Module de baz\u0103<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Optica fasciculului inelar:<\/strong> separator\/combin\u0103tor de fascicule pentru a forma un inel uniform \u0219i a men\u021bine simetria puterii.<\/li>\n\n\n\n<li><strong>Alimentator de s\u00e2rm\u0103 de \u00eenalt\u0103 precizie:<\/strong> ac\u021bionare cu cuplu constant, feedback encoder; avans stabil la viteze mici \u0219i mari.<\/li>\n\n\n\n<li><strong>Protec\u021bie complet\u0103 r\u0103cit\u0103 cu ap\u0103:<\/strong> men\u021bine optica \u0219i duza stabile termic \u00een condi\u021bii de func\u021bionare continu\u0103.<\/li>\n\n\n\n<li><strong>Monitorizarea \u00een curs de desf\u0103\u0219urare:<\/strong> CCD\/CMOS coaxiale sau pirometrie coaxial\u0103 pentru feedback privind temperatura \/ bazinul de topire.<\/li>\n<\/ul>\n\n\n\n<h5 class=\"wp-block-heading\">De ce firul coaxial bate firul \u00een afara axei (\u0219i pulberea)<\/h5>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>C\u0103rare \u00een func\u021bie de direc\u021bie<\/strong><br>Livrarea coaxial\u0103 elimin\u0103 problema \u201cumbrei\u201d de s\u00e2rm\u0103 a abord\u0103rilor \u00een afara axei. Programele sunt mai simple, \u00een special pe <strong>trasee 3D complexe, proeminen\u021be, cavit\u0103\u021bi interioare<\/strong>, \u0219i robotic\u0103 multi-ax\u0103.<\/li>\n\n\n\n<li><strong>Cuplare optimizat\u0103 a energiei \u0219i management termic<\/strong><br>Fasciculul inelar \u00eenv\u0103luie firul, astfel \u00eenc\u00e2t mai mult\u0103 energie laser este absorbit\u0103 de fir dec\u00e2t de substrat. Avantaje:<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Diluare redus\u0103<\/strong> a substratului (adesea <strong>\u22645%<\/strong>)<\/li>\n\n\n\n<li><strong>Zon\u0103 afectat\u0103 de c\u0103ldur\u0103 mic\u0103 (HAZ)<\/strong> \u2192 distorsiune redus\u0103<\/li>\n\n\n\n<li><strong>Geometrie str\u00e2ns\u0103 a talonului<\/strong> cu umezire constant\u0103<\/li>\n<\/ul>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>Eficien\u021ba \u0219i costul materialelor<\/strong><br>Utilizarea s\u00e2rmei este <strong>~100%<\/strong> (vs <strong>70-85%<\/strong> tipic pentru pulbere). Cablurile se depoziteaz\u0103\/manipuleaz\u0103 curat, nu exist\u0103 protec\u021bie \u00eempotriva exploziei pulberilor, iar cur\u0103\u021benia este minim\u0103.<\/li>\n\n\n\n<li><strong>Calitatea \u0219i propriet\u0103\u021bile suprafe\u021bei<\/strong><br>Cu o reglare adecvat\u0103 a parametrilor, rugozitatea depus\u0103 poate ajunge la <strong>Ra \u2264 25 \u00b5m<\/strong>, reduc\u00e2nd sau elimin\u00e2nd adesea prelucr\u0103rile secundare. Propriet\u0103\u021bile mecanice sunt repetabile datorit\u0103 <strong>control stabil al bazinului de topire<\/strong> \u0219i aport uniform de c\u0103ldur\u0103.<\/li>\n\n\n\n<li><strong>Compatibilitate larg\u0103 cu materialele<\/strong><br>Familii comune de cabluri \u0219i diametre tipice acceptate:<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>O\u021beluri inoxidabile:<\/strong> 304\/308\/316L (\u00d8 <strong>0,8\/1,0\/1,2\/1,6 mm<\/strong>)<\/li>\n\n\n\n<li><strong>Aliaje de aluminiu:<\/strong> 4043\/5356 (\u00d8 <strong>1,0\/1,2\/1,6 mm<\/strong>)<\/li>\n\n\n\n<li><strong>Aliaje de titan:<\/strong> Ti-6Al-4V (TC4), TA2 (\u00d8 <strong>1,0\/1,2 mm<\/strong>)<\/li>\n\n\n\n<li><strong>Superaliaje de nichel:<\/strong> Inconel 625\/718 (\u00d8 <strong>1,0\/1,2 mm<\/strong>)<\/li>\n<\/ul>\n\n\n\n<h5 class=\"wp-block-heading\">Cum func\u021bioneaz\u0103 procesul (pas cu pas)<\/h5>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Modelarea fasciculului<\/strong> converte\u0219te o pat\u0103 gaussian\u0103 \u00eentr-o <strong>inel uniform<\/strong>.<\/li>\n\n\n\n<li><strong>S\u00e2rma intr\u0103<\/strong> prin axa fasciculului \u0219i <strong>pre\u00eenc\u0103lze\u0219te<\/strong> \u00een interiorul ringului.<\/li>\n\n\n\n<li>V\u00e2rful s\u00e2rmei \u0219i un strat sub\u021bire de substrat <strong>cotopire<\/strong> pentru a forma piscina.<\/li>\n\n\n\n<li><strong>Control \u00een bucl\u0103 \u00eenchis\u0103<\/strong> (vederea\/pirometria bazinului de topire) stabilizeaz\u0103 dimensiunea\/temperatura bazinului.<\/li>\n\n\n\n<li>Capul scaneaz\u0103; m\u0103rgelele construiesc pere\u021bi, caracteristici sau acoper\u0103 suprafe\u021be.<\/li>\n\n\n\n<li><strong>Controlul trecerii \u00eentre straturi<\/strong> (viteza de scanare, puterea fasciculului, avansul firului, gazul de protec\u021bie) asigur\u0103 coeren\u021ba geometriei \u0219i microstructurii.<\/li>\n<\/ol>\n\n\n\n<h5 class=\"wp-block-heading\">Sistemul de s\u00e2rm\u0103 coaxial\u0103 Greenstone-Tech: Ce este special<\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Optic\u0103 avansat\u0103:<\/strong> schema proprietar\u0103 a separatorului de fascicule Cu-Ni pentru <strong>energie inelar\u0103 uniform\u0103<\/strong>; <strong>r\u0103cire cu ap\u0103 pe tot corpul<\/strong> \u0219i <strong>garnituri duble<\/strong> s\u0103 men\u021bin\u0103 trenul optic curat \u0219i stabil termic.<\/li>\n\n\n\n<li><strong>Control inteligent:<\/strong> monitorizare CCD coaxial\u0103 plus algoritmi pentru <strong>reglarea adaptiv\u0103 a parametrilor<\/strong> (putere, vitez\u0103 de scanare, alimentare cu s\u00e2rm\u0103) \u0219i <strong>blocaje de suprasarcin\u0103\/calitate<\/strong>.<\/li>\n\n\n\n<li><strong>Integrare deschis\u0103:<\/strong> monteaz\u0103 pe <strong>robo\u021bi, ganturi \u0219i ma\u0219ini cu 5 axe<\/strong>; sprijin\u0103 fuziunea datelor multi-senzor pentru fabrica MES\/IIoT.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"569\" height=\"361\" src=\"https:\/\/www.greenstone-tech.com\/wp-content\/uploads\/2025\/10\/Laser-coaxial-wire-feeding-1.jpg\" alt=\"Alimentarea cu laser a s\u00e2rmei coaxiale\" class=\"wp-image-4454\" style=\"width:840px;height:auto\" srcset=\"https:\/\/www.greenstone-tech.com\/wp-content\/uploads\/2025\/10\/Laser-coaxial-wire-feeding-1.jpg 569w, https:\/\/www.greenstone-tech.com\/wp-content\/uploads\/2025\/10\/Laser-coaxial-wire-feeding-1-300x190.jpg 300w, https:\/\/www.greenstone-tech.com\/wp-content\/uploads\/2025\/10\/Laser-coaxial-wire-feeding-1-18x12.jpg 18w\" sizes=\"auto, (max-width: 569px) 100vw, 569px\" \/><figcaption class=\"wp-element-caption\">(a) Alimentare cu s\u00e2rm\u0103 pe axa lateral\u0103; (b) Alimentare cu s\u00e2rm\u0103 coaxial\u0103<\/figcaption><\/figure>\n\n\n\n<h5 class=\"wp-block-heading\">Ferestre de proces tipice (orientare)<\/h5>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>Valorile variaz\u0103 \u00een func\u021bie de aliaj, diametru, optica capului \u0219i ecranare. \u00cencepe\u021bi \u00een aceste benzi \u0219i regla\u021bi de acolo.<\/p>\n<\/blockquote>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Material<\/th><th>\u00d8 s\u00e2rm\u0103<\/th><th>Puterea laserului<\/th><th>Viteza de scanare<\/th><th>Alimentare cu s\u00e2rm\u0103<\/th><th>Gaz de ecranare<\/th><th>Note<\/th><\/tr><\/thead><tbody><tr><td>316L SS<\/td><td>1,0-1,2 mm<\/td><td>1,2-2,5 kW<\/td><td>6-18 mm\/s<\/td><td>1,0-2,5 m\/min<\/td><td>Ar (15-25 L\/min)<\/td><td>Scopul dilu\u021biei \u22645%, temperatura de trecere 80-150 \u00b0C<\/td><\/tr><tr><td>Inconel 625<\/td><td>1,0-1,2 mm<\/td><td>1,5-3,0 kW<\/td><td>5-14 mm\/s<\/td><td>0,8-2,0 m\/min<\/td><td>Ar\/Ar+He<\/td><td>Men\u021bine\u021bi aportul de c\u0103ldur\u0103 constant pentru a evita segregarea Laves<\/td><\/tr><tr><td>Ti-6Al-4V<\/td><td>1,0-1,2 mm<\/td><td>1,2-2,2 kW<\/td><td>6-15 mm\/s<\/td><td>0,8-2,0 m\/min<\/td><td>Ar de \u00eenalt\u0103 puritate (m\u0103nu\u0219\u0103 sau scut de urm\u0103rire)<\/td><td>O\u2082 &lt; 50 ppm, minimizarea cazurilor HAZ \u03b1<\/td><\/tr><tr><td>Al 4043<\/td><td>1,2-1,6 mm<\/td><td>1,4-2,8 kW<\/td><td>8-20 mm\/s<\/td><td>1,2-3,0 m\/min<\/td><td>Ar<\/td><td>Pre-cur\u0103\u021ba\u021bi, urm\u0103ri\u021bi funinginea; lua\u021bi \u00een considerare amestecul He pentru penetrare<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Controale cheie<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>P\u0103stra\u021bi <strong>v\u00e2rf de s\u00e2rm\u0103 centrat<\/strong> \u00een inel (\u2264 \u00b1 0,1 mm toleran\u021b\u0103 coaxial\u0103).<\/li>\n\n\n\n<li>Men\u021bine\u021bi <strong>distan\u021b\u0103 constant\u0103<\/strong> (de obicei <strong>3-8 mm<\/strong> duza la locul de munc\u0103).<\/li>\n\n\n\n<li>Meci <strong>alimentare cu s\u00e2rm\u0103<\/strong> pentru <strong>volumul piscinei<\/strong> pentru a preveni umplerea insuficient\u0103 sau stropirea.<\/li>\n\n\n\n<li>Pentru aliajele reactive (Ti\/Al), utiliza\u021bi <strong>ecranare uscat\u0103, de \u00eenalt\u0103 puritate<\/strong> \u0219i scuturi de urm\u0103rire op\u021bionale sau camere locale.<\/li>\n<\/ul>\n\n\n\n<p>Comparativ cu DED pulbere \/ placare cu laser<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Aspect<\/th><th>Fir coaxial DED<\/th><th>Pulbere DED<\/th><\/tr><\/thead><tbody><tr><td>Utilizarea materialelor<\/td><td><strong>\u2248100%<\/strong><\/td><td>70-85%<\/td><\/tr><tr><td>Siguran\u021b\u0103\/menaj<\/td><td>Curat, f\u0103r\u0103 praf<\/td><td>Manipularea pulberilor, controlul prafului<\/td><\/tr><tr><td>Dimensiunea caracteristicii<\/td><td>M\u0103rgele de obicei mai late; excelent pentru pere\u021bi, nervuri, acumul\u0103ri<\/td><td>Caracteristici mai fine posibile cu duze mici<\/td><\/tr><tr><td>Dependen\u021ba de direc\u021bie<\/td><td><strong>Direc\u021bie-agnostic\u0103<\/strong><\/td><td>Sensibilitate la unghiul penajului de pulbere<\/td><\/tr><tr><td>Costul consumabilelor<\/td><td>\u00cen general mai mici per kg<\/td><td>Adesea mai mare per kg<\/td><\/tr><tr><td>Utilizare tipic\u0103<\/td><td><strong>Remanufacturare, construc\u021bii structurale, FGM cu comutare de fire<\/strong><\/td><td>Acoperiri sub\u021biri, microcaracteristici, pulberi multi-materiale<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"562\" height=\"482\" data-id=\"4455\" src=\"https:\/\/www.greenstone-tech.com\/wp-content\/uploads\/2025\/10\/Laser-coaxial-wire-feeding-2.jpg\" alt=\"Alimentarea cu laser a s\u00e2rmei coaxiale\" class=\"wp-image-4455\" srcset=\"https:\/\/www.greenstone-tech.com\/wp-content\/uploads\/2025\/10\/Laser-coaxial-wire-feeding-2.jpg 562w, https:\/\/www.greenstone-tech.com\/wp-content\/uploads\/2025\/10\/Laser-coaxial-wire-feeding-2-300x257.jpg 300w, https:\/\/www.greenstone-tech.com\/wp-content\/uploads\/2025\/10\/Laser-coaxial-wire-feeding-2-14x12.jpg 14w\" sizes=\"auto, (max-width: 562px) 100vw, 562px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"568\" height=\"447\" data-id=\"4456\" src=\"https:\/\/www.greenstone-tech.com\/wp-content\/uploads\/2025\/10\/Laser-coaxial-wire-feeding-3.jpg\" alt=\"placare cu laser cu alimentare prin fir coaxial\" class=\"wp-image-4456\" srcset=\"https:\/\/www.greenstone-tech.com\/wp-content\/uploads\/2025\/10\/Laser-coaxial-wire-feeding-3.jpg 568w, https:\/\/www.greenstone-tech.com\/wp-content\/uploads\/2025\/10\/Laser-coaxial-wire-feeding-3-300x236.jpg 300w, https:\/\/www.greenstone-tech.com\/wp-content\/uploads\/2025\/10\/Laser-coaxial-wire-feeding-3-15x12.jpg 15w\" sizes=\"auto, (max-width: 568px) 100vw, 568px\" \/><\/figure>\n<figcaption class=\"blocks-gallery-caption wp-element-caption\">Modulul de imprimare cu alimentare prin cablu coaxial Greenstone-Tech poate fi aplicat \u00een mod flexibil la diferite modele de echipamente<\/figcaption><\/figure>\n\n\n\n<h5 class=\"wp-block-heading\">Aplica\u021bii \u0219i valoare comercial\u0103<\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Fabricarea rapid\u0103:<\/strong> piese structurale din titan pentru industria aerospa\u021bial\u0103; componente inoxidabile pentru industria marin\u0103\/offshore; produc\u021bie de serie scurt\u0103 cu minimum de de\u0219euri.<\/li>\n\n\n\n<li><strong>Remanufacturare \u0219i repara\u021bii:<\/strong> v\u00e2rfuri de lam\u0103 cu turbin\u0103, matri\u021be \/ matri\u021be, <strong>arbori \u0219i scaune<\/strong>, restaurare dimensional\u0103 cu precizie apropiat\u0103 de cea a re\u021belei.<\/li>\n\n\n\n<li><strong>Materiale gradate func\u021bional (FGM):<\/strong> pe loc <strong>comutarea firelor<\/strong> pentru a adapta duritatea\/coroziunea\/rezisten\u021ba la c\u0103ldur\u0103 \u00een func\u021bie de zon\u0103.<\/li>\n\n\n\n<li><strong>Structuri u\u0219oare:<\/strong> nervuri de grilaj \u0219i rigidiz\u0103ri direct pe piei sau cadre.<\/li>\n<\/ul>\n\n\n\n<p><strong>Rezultate m\u0103surate (tipice):<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Economii de materiale:<\/strong> p\u00e2n\u0103 la <strong>30-40%<\/strong> fa\u021b\u0103 de DED pulbere pe locuri de munc\u0103 similare.<\/li>\n\n\n\n<li><strong>Reducerea timpului de ciclu:<\/strong> trasarea simplificat\u0103 + stabilitate sporit\u0103 reduce reprelucrarea \u0219i prelucrarea ulterioar\u0103.<\/li>\n\n\n\n<li><strong>Calitate:<\/strong> porozitate redus\u0103, diluare redus\u0103, duritate constant\u0103\/valori la trac\u021biune dup\u0103 normalizare\/\u00eemb\u0103tr\u00e2nire, dup\u0103 caz.<\/li>\n<\/ul>\n\n\n\n<h5 class=\"wp-block-heading\">Sfaturi de calitate \u0219i configurare profesional\u0103<\/h5>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Aliniere coaxial\u0103:<\/strong> verifica\u021bi <strong>concentricitatea firului\/razei<\/strong> dup\u0103 \u00eenc\u0103lzire; autocompensarea devia\u021biei termice.<\/li>\n\n\n\n<li><strong>Disciplina de ecranare:<\/strong> asigura\u021bi un flux laminar; evita\u021bi turbulen\u021bele la col\u021buri; pentru Ti, lua\u021bi \u00een considerare camerele locale.<\/li>\n\n\n\n<li><strong>Control interpasaj:<\/strong> men\u021bine\u021bi temperatura interpasaj pentru a evita degro\u0219area boabelor; \u00eenregistra\u021bi cu IR sau termocupluri.<\/li>\n\n\n\n<li><strong>Strategia de parcurs:<\/strong> utilizare <strong>meandru\/contour-plus-hatch<\/strong> cu retrageri scurte; evita\u021bi distan\u021bele libere lungi pentru stabilitatea s\u00e2rmei.<\/li>\n\n\n\n<li><strong>QC in situ:<\/strong> monitoriza\u021bi zona\/ luminozitatea bazinului; stabili\u021bi praguri pentru \u00een\u0103l\u021bimea\/ l\u0103\u021bimea m\u0103rgelelor; semnala\u021bi din timp abaterile.<\/li>\n<\/ol>\n\n\n\n<h5 class=\"wp-block-heading\">Greenstone-Tech \u00een practic\u0103<\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Longevitate optic\u0103:<\/strong> optica cu etan\u0219are dubl\u0103, r\u0103cit\u0103 complet cu ap\u0103, prelunge\u0219te semnificativ intervalele de func\u021bionare \u00een celulele 24\/7.<\/li>\n\n\n\n<li><strong>Re\u021bete adaptive:<\/strong> reglajele \u00een bucl\u0103 \u00eenchis\u0103 stabilizeaz\u0103 morfologia m\u0103rgelelor pe suprafe\u021be curbe \u0219i g\u0103uri interioare.<\/li>\n\n\n\n<li><strong>Flexibilitatea platformei:<\/strong> plug-and-play pe robo\u021bi \u0219i freze cu 5 axe pentru hibride <strong>imprimare-\u0219i-ma\u0219in\u0103<\/strong> fluxuri de lucru.<\/li>\n<\/ul>\n\n\n\n<h5 class=\"wp-block-heading\">\u00centreb\u0103ri frecvente (pentru cump\u0103r\u0103tori \u0219i ingineri de proces)<\/h5>\n\n\n\n<p><strong>Q1: Cum se compar\u0103 placarea cu laser cu fir coaxial fa\u021b\u0103 de MIG\/TIG pentru acumul\u0103ri?<\/strong><br><strong>A:<\/strong> Consum de c\u0103ldur\u0103 mult mai mic, <strong>mai pu\u021bin\u0103 distorsiune<\/strong>, margele mai fine, \u0219i o metalurgie mai bun\u0103; de asemenea <strong>direc\u021bie-agnostic\u0103<\/strong> \u0219i mai u\u0219or de automatizat pe trasee complexe.<\/p>\n\n\n\n<p><strong>Q2: Pot amesteca materiale sau propriet\u0103\u021bi de grad cu s\u00e2rm\u0103?<\/strong><br><strong>A:<\/strong> Da de c\u0103tre <strong>fire de comutare<\/strong> strat cu strat sau \u00een cadrul unui strat (alimentatoare duble), pute\u021bi crea <strong>duritate gradat\u0103\/zone de coroziune<\/strong>.<\/p>\n\n\n\n<p><strong>Q3: Cum r\u0103m\u00e2ne cu porozitatea?<\/strong><br><strong>A:<\/strong> Cu s\u00e2rm\u0103 curat\u0103, ecranare adecvat\u0103 \u0219i aport constant de c\u0103ldur\u0103, porozitatea este de obicei <strong>foarte sc\u0103zut<\/strong>. Pentru Al\/Ti, usc\u0103ciunea \u0219i puritatea gazului sunt esen\u021biale.<\/p>\n\n\n\n<p><strong>Q4: Mai am nevoie de tratament post-\u00eenc\u0103lzire?<\/strong><br><strong>A:<\/strong> Depinde de aliaj: inoxul func\u021bioneaz\u0103 adesea <strong>a\u0219a cum a fost construit<\/strong>; Ni\/Ti\/Al poate beneficia de <strong>reducerea stresului sau \u00eemb\u0103tr\u00e2nire<\/strong> pentru a optimiza propriet\u0103\u021bile.<\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>Meta description:Laser coaxial wire-feeding (wire-fed DED\/laser cladding) delivers near-100% material utilization, low dilution, and stable, high-quality deposits. Learn the working principle, system architecture, advantages vs off-axis wire\/powder, Greenstone-Tech\u2019s design highlights, key parameters, applications, and pro setup tips. What Is Laser Coaxial Wire-Feeding? Laser coaxial wire-feeding is a wire-fed directed energy deposition (DED) \/ laser cladding [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4447,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[5,3],"tags":[102],"table_tags":[],"class_list":["post-4457","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-professional-knowledge","category-blog","tag-sheldon-li"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.greenstone-tech.com\/ro\/wp-json\/wp\/v2\/posts\/4457","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.greenstone-tech.com\/ro\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.greenstone-tech.com\/ro\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.greenstone-tech.com\/ro\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.greenstone-tech.com\/ro\/wp-json\/wp\/v2\/comments?post=4457"}],"version-history":[{"count":2,"href":"https:\/\/www.greenstone-tech.com\/ro\/wp-json\/wp\/v2\/posts\/4457\/revisions"}],"predecessor-version":[{"id":5136,"href":"https:\/\/www.greenstone-tech.com\/ro\/wp-json\/wp\/v2\/posts\/4457\/revisions\/5136"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.greenstone-tech.com\/ro\/wp-json\/wp\/v2\/media\/4447"}],"wp:attachment":[{"href":"https:\/\/www.greenstone-tech.com\/ro\/wp-json\/wp\/v2\/media?parent=4457"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.greenstone-tech.com\/ro\/wp-json\/wp\/v2\/categories?post=4457"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.greenstone-tech.com\/ro\/wp-json\/wp\/v2\/tags?post=4457"},{"taxonomy":"table_tags","embeddable":true,"href":"https:\/\/www.greenstone-tech.com\/ro\/wp-json\/wp\/v2\/table_tags?post=4457"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}