{"id":3245,"date":"2025-09-30T19:39:09","date_gmt":"2025-09-30T11:39:09","guid":{"rendered":"https:\/\/www.chuxin-smt.com\/?p=3245"},"modified":"2025-10-10T21:21:05","modified_gmt":"2025-10-10T13:21:05","slug":"slug-a-deep-dive-into-solder-wave-dynamics","status":"publish","type":"post","link":"https:\/\/www.chuxin-smt.com\/ro\/slug-a-deep-dive-into-solder-wave-dynamics\/","title":{"rendered":"O scufundare ad\u00e2nc\u0103 \u00een dinamica valurilor de lipire"},"content":{"rendered":"<h3><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">For\u021bele de baz\u0103 ale dinamicii valului de lipire<\/span><\/span><\/span><\/span><\/h3>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Lipirea prin valuri este un proces la scar\u0103 larg\u0103 pentru ata\u0219area componentelor cu orificii de trecere la pl\u0103cile cu circuite imprimate (PCB). Procesul implic\u0103 plasarea pl\u0103cii pe o tav\u0103 cu lipitur\u0103 topit\u0103, care este apoi pompat\u0103 pentru a crea un val care aplic\u0103 \u00eembin\u0103rile de lipit. La baza acestei tehnologii se afl\u0103 dinamica lipirii prin valuri - interac\u021biunea complex\u0103 a for\u021belor fizice care guverneaz\u0103 interac\u021biunea dintre lipitura topit\u0103 \u0219i componentele PCB. Fluxul de lipit topit este guvernat de factori precum tensiunea superficial\u0103, umectabilitatea \u0219i dinamica fluidelor, toate acestea fiind influen\u021bate de parametrii preci\u0219i ai ma\u0219inii. \u00cen\u021belegerea acestei dinamici este esen\u021bial\u0103 pentru ob\u021binerea unor \u00eembin\u0103ri de lipit puternice, fiabile \u0219i f\u0103r\u0103 defecte.<\/span><\/span><\/span><\/span><\/p>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Principalele for\u021be \u00een joc includ:<\/span><\/span><\/span><\/span><\/p>\n<ul>\n<li><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Umezirea \u0219i ac\u021biunea capilar\u0103:<\/span><\/span><\/span><\/span><\/strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> Umezirea se refer\u0103 la capacitatea aliajului de lipit topit de a se r\u0103sp\u00e2ndi \u0219i de a se lipi pe suprafe\u021bele componentelor \u0219i pl\u0103cu\u021belor PCB. Aceast\u0103 ac\u021biune este determinat\u0103 de tensiunea superficial\u0103 dintre aliajul de lipit lichid \u0219i suprafa\u021ba metalic\u0103 solid\u0103. Pentru a forma o leg\u0103tur\u0103 metalurgic\u0103 puternic\u0103, aliajul de lipit trebuie s\u0103 ude eficient aceste suprafe\u021be. <\/span><\/span><\/span><\/span><a href=\"https:\/\/www.esd.co.uk\/blog\/pcb-101-part-3-the-art-of-soldering\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">[surs\u0103: Centrul de control ESD]<\/span><\/span><\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> . Umezirea corespunz\u0103toare poate fi ob\u021binut\u0103 numai atunci c\u00e2nd suprafe\u021bele sunt lipsite de oxizi, astfel \u00eenc\u00e2t aplicarea fluxului \u0219i pre\u00eenc\u0103lzirea sunt cruciale. Ac\u021biunea capilar\u0103, un rezultat direct al umezirii eficiente, este for\u021ba care atrage lipitura \u00een sus \u00een orificiul PCB, asigur\u00e2nd umplerea complet\u0103 a \u00eentregii \u00eembin\u0103ri de lipit. <\/span><\/span><\/span><\/span><a href=\"https:\/\/www.epectec.com\/pcb\/wave-soldering\/files\/wave-soldering-defects.pdf\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">[sursa: Epec Tec]<\/span><\/span><\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> .<\/span><\/span><\/span><\/span><\/li>\n<li><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Presiune hidrostatic\u0103:<\/span><\/span><\/span><\/span><\/strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> Un val de lipitur\u0103 topit\u0103 creeaz\u0103 presiune hidrostatic\u0103, o presiune generat\u0103 de greutatea \u0219i \u00een\u0103l\u021bimea sa. Aceast\u0103 presiune este esen\u021bial\u0103 pentru a se asigura c\u0103 lipitura umple complet viasurile \u0219i acoper\u0103 toate punctele de conexiune de pe partea din spate a pl\u0103cii. \u00cen\u0103l\u021bimea valului de lipitur\u0103 trebuie controlat\u0103 cu aten\u021bie; dac\u0103 valul este prea mic, este posibil s\u0103 nu acopere toate \u00eembin\u0103rile de lipit; dac\u0103 este prea mare, poate inunda partea din fa\u021b\u0103 a PCB-ului. <\/span><\/span><\/span><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">. <\/span><\/span><\/span><\/span><a href=\"https:\/\/www.chuxin-smt.com\/ro\/how-to-adjust-solder-wave-height-for-pcb-soldering-quality\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">[Sursa: Chu Xin]<\/span><\/span><\/span><\/span><\/a><\/li>\n<li><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Tensiunea superficial\u0103:<\/span><\/span><\/span><\/span><\/strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> Tensiunea superficial\u0103 nu este important\u0103 doar pentru umezire, ci joac\u0103 un rol crucial \u0219i atunci c\u00e2nd PCB-ul iese din valul de lipit. \u00cen starea sa natural\u0103, tensiunea superficial\u0103 a lipitului topit determin\u0103 coalescen\u021ba acestuia \u0219i formarea de bile, \u00eempiedic\u00e2ndu-l s\u0103 curg\u0103 \u00een spa\u021bii \u00eenguste. O func\u021bie cheie a fluxului este reducerea acestei tensiuni superficiale, permi\u021b\u00e2nd lipitului s\u0103 se mi\u0219te mai liber. <\/span><\/span><\/span><\/span><a href=\"https:\/\/www.amtechsolder.com\/what-flux\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">[sursa: AMTECH]<\/span><\/span><\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> . Pe m\u0103sur\u0103 ce placa iese din valul de lipire, tensiunea superficial\u0103 a lipiturii ajut\u0103 la retragerea acesteia de pe suprafe\u021bele nemetalice, form\u00e2nd filete curate \u0219i bine definite \u00een jurul \u00eembin\u0103rilor. Aceast\u0103 for\u021b\u0103 ajut\u0103 la prevenirea defectelor precum pun\u021bile de lipire, dar poate duce \u0219i la formarea de bile sau pun\u021bi de lipire dac\u0103 nu este manipulat\u0103 corespunz\u0103tor. <\/span><\/span><\/span><\/span><a href=\"https:\/\/resources.pcb.cadence.com\/blog\/2020-understanding-the-dynamics-of-the-wave-soldering-process\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">[surs\u0103: Cadence PCB]<\/span><\/span><\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> . Specificul <\/span><\/span><\/span><\/span><a href=\"https:\/\/www.chuxin-smt.com\/ro\/slug-mastering-the-lead-free-wave-soldering-profile-a-comprehensive-guide\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">compozi\u021bia aliajului de lipit<\/span><\/span><\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> afecteaz\u0103 \u0219i tensiunea superficial\u0103; aliajele f\u0103r\u0103 plumb au, \u00een general, o tensiune superficial\u0103 mai mare dec\u00e2t aliajele care con\u021bin plumb.<\/span><\/span><\/span><\/span><\/li>\n<li><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Dinamica fluidelor:<\/span><\/span><\/span><\/span><\/strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> Valul de lipit \u00een sine este un sistem complex de dinamic\u0103 a fluidelor. O pomp\u0103 circul\u0103 lipitura topit\u0103, form\u00e2nd un val sta\u021bionar stabil. Forma, stabilitatea \u0219i fluxul valului sta\u021bionar sunt cruciale pentru ob\u021binerea unor rezultate consistente. Parametrii cheie care influen\u021beaz\u0103 aceast\u0103 dinamic\u0103 includ <\/span><\/span><\/span><\/span><a href=\"https:\/\/www.chuxin-smt.com\/ro\/slug-the-complete-guide-to-pcb-conveyors\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">viteza benzii transportoare<\/span><\/span><\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> (care determin\u0103 timpul de contact) \u0219i \u00een\u0103l\u021bimea \u0219i forma valului (controlate de viteza pompei \u0219i configura\u021bia duzei) <\/span><\/span><\/span><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">. <\/span><\/span><\/span><\/span><a href=\"https:\/\/www.kinetics.com.sg\/the-basic-principles-of-wave-soldering\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">[Sursa: Kinetics]<\/span><\/span><\/span><\/span><\/a><\/li>\n<\/ul>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Prin controlul precis al variabilelor precum <\/span><\/span><\/span><\/span><a href=\"https:\/\/www.chuxin-smt.com\/ro\/slug-a-comprehensive-guide-to-wave-soldering-temperature\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">temperatura de lipire<\/span><\/span><\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> , \u00een\u0103l\u021bimea valurilor \u0219i viteza transportorului, inginerii pot manipula aceste for\u021be fundamentale. Ob\u021binerea unei \u00een\u021belegeri mai profunde a acestor caracteristici dinamice permite tehnicienilor s\u0103 optimizeze \u0219i s\u0103 depaneze \u00eentregul <\/span><\/span><\/span><\/span><a href=\"https:\/\/www.chuxin-smt.com\/ro\/slug-a-step-by-step-guide-to-the-wave-soldering-process\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">proces de lipire \u00een val<\/span><\/span><\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> , rezult\u00e2nd ansambluri electronice extrem de fiabile.<\/span><\/span><\/span><\/span><\/p>\n<h3><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Legarea dinamicii de defectele comune de sudur\u0103<\/span><\/span><\/span><\/span><\/h3>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Caracteristicile dinamice ale valului de lipire sunt factori cheie \u00een determinarea calit\u0103\u021bii finale a \u00eembin\u0103rii lipite. Controlul necorespunz\u0103tor al caracteristicilor valului de lipire poate duce la diverse defecte care compromit fiabilitatea \u0219i func\u021bionalitatea PCB-ului. \u00cen\u021belegerea modului \u00een care aceste caracteristici dinamice duc la probleme specifice este primul pas c\u0103tre depanarea \u0219i prevenirea eficient\u0103 a problemelor.<\/span><\/span><\/span><\/span><\/p>\n<h4><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Defecte frecvente \u0219i cauzele lor dinamice<\/span><\/span><\/span><\/span><\/h4>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Cele trei defecte cele mai frecvente legate direct de dinamica valului de lipire sunt pun\u021bile, golurile \u0219i \u021bur\u021burii. Fiecare defect este un simptom al unui dezechilibru specific \u00een proces.<\/span><\/span><\/span><\/span><\/p>\n<ul>\n<li><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Punte de lipire:<\/span><\/span><\/span><\/span><\/strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> Puntea de lipire apare atunci c\u00e2nd lipitura formeaz\u0103 o conexiune neinten\u021bionat\u0103 \u00eentre doi sau mai mul\u021bi conductori adiacen\u021bi. De obicei, aceasta este cauzat\u0103 de excesul de lipitur\u0103 care nu se separ\u0103 corespunz\u0103tor de plac\u0103 la ie\u0219irea din procesul de lipire cu und\u0103. Cauzele dinamice principale includ viteza redus\u0103 a transportorului, temperaturile excesive ale lipiturii (care reduc tensiunea superficial\u0103 a lipiturii) sau \u00een\u0103l\u021bimea incorect\u0103 a undei. <\/span><\/span><\/span><\/span><a href=\"https:\/\/www.chuxin-smt.com\/ro\/reduce-solder-bridging-wave-soldering-best-practices\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">[sursa: chuxin-smt.com]<\/span><\/span><\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> . \u00cen plus, lipirea cu und\u0103 turbulent\u0103 poate duce la o distribu\u021bie inegal\u0103 a lipiturii, cresc\u00e2nd semnificativ probabilitatea form\u0103rii de pun\u021bi. <\/span><\/span><\/span><\/span><a href=\"https:\/\/resources.pcb.cadence.com\/blog\/2022-understanding-and-preventing-wave-soldering-defects\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">[sursa: Cadence Design Systems]<\/span><\/span><\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> .<\/span><\/span><\/span><\/span><\/li>\n<li><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Anularea:<\/span><\/span><\/span><\/span><\/strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> Golurile sunt cavit\u0103\u021bi umplute cu gaz \u00een interiorul \u00eembin\u0103rilor sudate, care sl\u0103besc conexiunea \u0219i pot duce la defectarea prematur\u0103. Golurile sunt cauzate de obicei de substan\u021bele volatile din flux, umiditate sau aerul prins \u00een orificiile placate care nu poate ie\u0219i \u00eenainte ca lipitura s\u0103 se solidifice. Acest lucru poate fi cauzat de o pre\u00eenc\u0103lzire insuficient\u0103, care \u00eempiedic\u0103 evacuarea eficient\u0103 a fluxului. Undele turbulente de lipit pot introduce, de asemenea, gaze \u00een lipitura topit\u0103, care sunt apoi prinse \u00een timpul procesului de solidificare. <\/span><\/span><\/span><\/span><a href=\"https:\/\/www.pemtron.com\/solder-joint-voids-causes-and-prevention\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">[sursa: PEMTRON]<\/span><\/span><\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> . Principiile unei ventil\u0103ri corespunz\u0103toare sunt universale; consulta\u021bi ghidul pentru <\/span><\/span><\/span><\/span><a href=\"https:\/\/www.chuxin-smt.com\/ro\/how-to-reduce-voids-in-reflow-soldering-process-tips\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">reducerea golirii vezicii urinare<\/span><\/span><\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> pentru mai multe detalii .<\/span><\/span><\/span><\/span><\/li>\n<li><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">\u021aur\u021buri \u0219i s\u0103rituri de lipit:<\/span><\/span><\/span><\/span><\/strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> \u021aur\u021burii sunt puncte ascu\u021bite de lipit care ies \u00een afar\u0103 dintr-o \u00eembinare lipit\u0103, \u00een timp ce salturile de lipit (sau neumezirea) sunt zone \u00een care lipitura nu ader\u0103. \u021aur\u021burii se formeaz\u0103 adesea dac\u0103 viteza transportorului este prea mare sau temperatura lipiturii este prea sc\u0103zut\u0103, \u00eempiedic\u00e2nd lipitura s\u0103 se refac\u0103 \u00een baia de lipit atunci c\u00e2nd placa iese din procesul de lipire cu und\u0103. Aceast\u0103 situa\u021bie poate fi agravat\u0103 de un unghi de lipire incorect. <\/span><\/span><\/span><\/span><a href=\"https:\/\/www.amtechina.com\/wave-soldering-troubleshooting-guide\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">[sursa: AMTECH]<\/span><\/span><\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> . Alternativ, s\u0103riturile de lipire pot fi cauzate de aplicarea necorespunz\u0103toare a fluxului, de contaminarea componentelor sau de timpul insuficient de contact \u00eentre plac\u0103 \u0219i lipirea cu und\u0103.<\/span><\/span><\/span><\/span><\/li>\n<\/ul>\n<h4><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Depanare cu control dinamic<\/span><\/span><\/span><\/span><\/h4>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Reducerea acestor defecte necesit\u0103 un control precis al parametrilor procesului de lipire prin valuri. Prin ajustarea dinamic\u0103 a acestor set\u0103ri, operatorii pot asigura rezultate consistente \u0219i de \u00eenalt\u0103 calitate.<\/span><\/span><\/span><\/span><\/p>\n<ol>\n<li><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Viteza \u0219i unghiul transportorului:<\/span><\/span><\/span><\/span><\/strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> Viteza transportorului determin\u0103 timpul de contact \u00eentre PCB \u0219i valul de lipire. O vitez\u0103 prea mic\u0103 poate provoca formarea de pun\u021bi, \u00een timp ce o vitez\u0103 prea mare poate duce la s\u0103rituri \u0219i coloane de lipire. Un unghi al transportorului de 5-7 grade este setat de obicei pentru a facilita desc\u0103rcarea lipirii, prevenind formarea de pun\u021bi \u0219i coloane.<\/span><\/span><\/span><\/span><\/li>\n<li><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">\u00cen\u0103l\u021bimea valurilor \u0219i debitul:<\/span><\/span><\/span><\/span><\/strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> \u00cen\u0103l\u021bimea valului de lipit trebuie calibrat\u0103 cu aten\u021bie \u2014 de obicei, aproximativ jum\u0103tate p\u00e2n\u0103 la dou\u0103 treimi din grosimea PCB \u2014 pentru a asigura un contact adecvat f\u0103r\u0103 a inunda stratul superior. <\/span><\/span><\/span><\/span><a href=\"https:\/\/www.chuxin-smt.com\/ro\/how-to-adjust-solder-wave-height-for-pcb-soldering-quality\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Reglarea \u00een\u0103l\u021bimii valurilor<\/span><\/span><\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> este esen\u021bial\u0103 pentru ob\u021binerea unor rezultate constante. Fluxul trebuie s\u0103 fie uniform \u0219i laminar, deoarece turbulen\u021bele sunt una dintre principalele cauze ale form\u0103rii de goluri \u0219i pun\u021bi.<\/span><\/span><\/span><\/span><\/li>\n<li><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Controlul temperaturii:<\/span><\/span><\/span><\/span><\/strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> Pre\u00eenc\u0103lzirea \u0219i temperatura vasului de lipit sunt ambele critice. Pre\u00eenc\u0103lzirea corespunz\u0103toare activeaz\u0103 fluxul, \u00eendep\u0103rteaz\u0103 oxizii \u0219i previne \u0219ocul termic. Temperatura vasului de lipit trebuie s\u0103 fie suficient de ridicat\u0103 pentru a asigura un flux bun, dar nu prea ridicat\u0103 pentru a nu deteriora componentele sau a produce reziduuri excesive de lipit. O \u00een\u021belegere detaliat\u0103 a <\/span><\/span><\/span><\/span><a href=\"https:\/\/www.chuxin-smt.com\/ro\/slug-a-comprehensive-guide-to-wave-soldering-temperature\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">profilul temperaturii de lipire prin valuri<\/span><\/span><\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> este esen\u021bial.<\/span><\/span><\/span><\/span><\/li>\n<li><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Gestionarea fluxului:<\/span><\/span><\/span><\/span><\/strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> Este esen\u021bial s\u0103 se utilizeze tipul \u0219i cantitatea corect\u0103 de flux. Aplicatorii de flux trebuie s\u0103 aplice un strat uniform \u0219i consistent pentru a favoriza umezirea \u0219i a preveni oxidarea. \u00centre\u021binerea regulat\u0103 \u0219i monitorizarea densit\u0103\u021bii fluxului sunt esen\u021biale pentru a asigura un proces stabil.<\/span><\/span><\/span><\/span><\/li>\n<\/ol>\n<h3><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Optimiza\u021bi procesele pentru performan\u021be optime<\/span><\/span><\/span><\/span><\/h3>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Ob\u021binerea unor rezultate constante \u0219i de \u00eenalt\u0103 calitate cu echipamentele de lipire prin valuri necesit\u0103 o \u00een\u021belegere aprofundat\u0103 a variabilelor procesului \u0219i un angajament fa\u021b\u0103 de \u00eentre\u021binerea proactiv\u0103. Optimizarea acestui proces nu numai c\u0103 \u00eembun\u0103t\u0103\u021be\u0219te calitatea \u00eembin\u0103rilor lipite, dar \u0219i cre\u0219te randamentul \u0219i prelunge\u0219te durata de via\u021b\u0103 a echipamentelor. Performan\u021ba optim\u0103 depinde de st\u0103p\u00e2nirea set\u0103rilor procesului, adaptarea la diferite modele de pl\u0103ci \u0219i implementarea unui plan riguros de \u00eentre\u021binere.<\/span><\/span><\/span><\/span><\/p>\n<h4><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Cele mai bune practici pentru configurarea proceselor<\/span><\/span><\/span><\/span><\/h4>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Un proces de lipire cu und\u0103 stabil \u0219i repetabil \u00eencepe cu o configurare atent\u0103, \u00een care fiecare parametru joac\u0103 un rol crucial.<\/span><\/span><\/span><\/span><\/p>\n<ul>\n<li><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Aplica\u021bie Flux:<\/span><\/span><\/span><\/span><\/strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> Scopul este de a aplica un strat uniform de flux pentru a \u00eendep\u0103rta oxizii \u0219i a favoriza umezirea. O cantitate prea mic\u0103 de flux poate duce la o lipire defectuoas\u0103, \u00een timp ce o cantitate prea mare poate l\u0103sa reziduuri corozive. Greutatea specific\u0103 a fluxului trebuie verificat\u0103 regulat, de obicei la fiecare dou\u0103 p\u00e2n\u0103 la patru ore, pentru a se asigura c\u0103 compozi\u021bia sa chimic\u0103 r\u0103m\u00e2ne constant\u0103. <\/span><\/span><\/span><\/span><a href=\"https:\/\/www.chuxin-smt.com\/ro\/wave-soldering-flux-selection-and-maintenance-guide\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Selectarea \u0219i \u00eentre\u021binerea corespunz\u0103toare a fluxului<\/span><\/span><\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> sunt esen\u021biale pentru prevenirea defectelor precum bilele de lipit \u0219i pun\u021bile.<\/span><\/span><\/span><\/span><\/li>\n<li><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Zona de pre\u00eenc\u0103lzire:<\/span><\/span><\/span><\/span><\/strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> Pre\u00eenc\u0103lzirea activeaz\u0103 fluxul, evapor\u0103 solven\u021bii volatili \u0219i reduce \u0219ocul termic asupra PCB-ului \u0219i componentelor sale. Pentru procesele f\u0103r\u0103 plumb, temperaturile tipice de pre\u00eenc\u0103lzire pe partea superioar\u0103 a pl\u0103cii variaz\u0103 \u00eentre 100 \u00b0C \u0219i 130 \u00b0C. O temperatur\u0103 necorespunz\u0103toare <\/span><\/span><\/span><\/span><a href=\"https:\/\/www.chuxin-smt.com\/ro\/slug-a-comprehensive-guide-to-wave-soldering-temperature\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">profilul temperaturii de lipire prin valuri<\/span><\/span><\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> poate provoca defecte \u0219i deteriorarea componentelor.<\/span><\/span><\/span><\/span><\/li>\n<li><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Dinamica valului de lipire:<\/span><\/span><\/span><\/span><\/strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> Pentru aliajele obi\u0219nuite f\u0103r\u0103 plumb, cum ar fi SAC305, temperaturile de lipire sunt de obicei \u00eentre 255 \u00b0C \u0219i 265 \u00b0C. <\/span><\/span><\/span><\/span><a href=\"https:\/\/www.chuxin-smt.com\/ro\/how-to-adjust-solder-wave-height-for-pcb-soldering-quality\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Reglarea \u00een\u0103l\u021bimii valului de lipit<\/span><\/span><\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> asigur\u0103 un contact adecvat f\u0103r\u0103 a inunda placa. Viteza transportorului determin\u0103 timpul de contact (timpul de sta\u021bionare); vitezele mai mici \u00eembun\u0103t\u0103\u021besc umplerea g\u0103urilor, dar cresc riscul de formare a pun\u021bilor. <\/span><\/span><\/span><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">. <\/span><\/span><\/span><\/span><a href=\"https:\/\/www.epectec.com\/articles\/wave-soldering-process-defects-and-troubleshooting.html\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">[Sursa: Epec Engineered Technologies]<\/span><\/span><\/span><\/span><\/a><\/li>\n<\/ul>\n<h4><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Optimizare avansat\u0103 pentru diferite modele de pl\u0103ci<\/span><\/span><\/span><\/span><\/h4>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Complexitatea \u0219i masa termic\u0103 ale PCB-urilor moderne variaz\u0103 foarte mult, necesit\u00e2nd strategii de optimizare personalizate.<\/span><\/span><\/span><\/span><\/p>\n<ul>\n<li><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Dispunerea \u0219i orientarea componentelor:<\/span><\/span><\/span><\/span><\/strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> Proiectarea PCB este un factor critic pentru succesul lipirii prin val. Orientarea componentelor similare \u00een aceea\u0219i direc\u021bie previne umbrirea (situa\u021bia \u00een care o component\u0103 blocheaz\u0103 fluxul de lipit c\u0103tre o alt\u0103 component\u0103). Cre\u0219terea distan\u021bei dintre conductoare \u0219i asigurarea radiatoarelor de c\u0103ldur\u0103 la conexiunile cu un plan de mas\u0103 mare poate reduce semnificativ defectele. <\/span><\/span><\/span><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">. <\/span><\/span><\/span><\/span><a href=\"https:\/\/www.pcbcart.com\/article\/content\/wave-soldering-parameters.html\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">[Sursa: PCBCart]<\/span><\/span><\/span><\/span><\/a><\/li>\n<li><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">T\u0103vi \u0219i dispozitive de lipit:<\/span><\/span><\/span><\/span><\/strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> T\u0103vile personalizate sunt esen\u021biale pentru pl\u0103ci complexe, cu dou\u0103 fe\u021be sau cu forme neobi\u0219nuite. Aceste t\u0103vi pot masca zonele sensibile, cum ar fi componentele SMT, expun\u00e2nd doar conductoarele cu orificii traversante la valul de lipire, permi\u021b\u00e2nd lipirea selectiv\u0103 a pl\u0103cilor cu tehnologie mixt\u0103.<\/span><\/span><\/span><\/span><\/li>\n<li><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">R\u0103spunsul provoc\u0103rilor legate de eliminarea plumbului:<\/span><\/span><\/span><\/span><\/strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> Tranzi\u021bia la aliaje de lipit f\u0103r\u0103 plumb prezint\u0103 provoc\u0103ri din cauza temperaturilor de prelucrare mai ridicate \u0219i a caracteristicilor de umectare diferite. <\/span><\/span><\/span><\/span><a href=\"https:\/\/www.chuxin-smt.com\/ro\/slug-mastering-the-lead-free-wave-soldering-profile-a-comprehensive-guide\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">St\u0103p\u00e2nirea profilului procesului de lipire cu und\u0103 f\u0103r\u0103 plumb<\/span><\/span><\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> necesit\u0103 adesea acoperire cu azot pentru a reduce formarea de zgur\u0103 (oxidare) \u00een vasul de lipit \u0219i pentru a \u00eembun\u0103t\u0103\u021bi umectarea, rezult\u00e2nd \u00eembin\u0103ri de lipit mai fiabile <\/span><\/span><\/span><\/span><a href=\"https:\/\/www.kester.com\/knowledge-base\/lead-free-wave-soldering\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">[sursa: Kester]<\/span><\/span><\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> .<\/span><\/span><\/span><\/span><\/li>\n<\/ul>\n<h3><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Men\u021binerea \u0219i monitorizarea fiabilit\u0103\u021bii pe termen lung<\/span><\/span><\/span><\/span><\/h3>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">F\u0103r\u0103 un program structurat de \u00eentre\u021binere \u0219i monitorizare, performan\u021ba stabil\u0103 \u0219i durata lung\u0103 de via\u021b\u0103 a echipamentelor sunt imposibile. Neglijarea \u00eentre\u021binerii \u0219i monitoriz\u0103rii este o cauz\u0103 direct\u0103 a fluctua\u021biilor procesului \u0219i a timpilor de nefunc\u021bionare costisitori.<\/span><\/span><\/span><\/span><\/p>\n<h4><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Plan de \u00eentre\u021binere de rutin\u0103<\/span><\/span><\/span><\/span><\/h4>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Un plan de \u00eentre\u021binere cuprinz\u0103tor ar trebui s\u0103 includ\u0103 sarcini zilnice, s\u0103pt\u0103m\u00e2nale \u0219i lunare.<\/span><\/span><\/span><\/span><\/p>\n<ul>\n<li><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Zilnic:<\/span><\/span><\/span><\/span><\/strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> Verifica\u021bi \u0219i completa\u021bi nivelul lichidului din vasul de lipit, verifica\u021bi densitatea fluxului \u0219i cur\u0103\u021ba\u021bi degetele transportorului.<\/span><\/span><\/span><\/span><\/li>\n<li><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">S\u0103pt\u0103m\u00e2nal:<\/span><\/span><\/span><\/span><\/strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> Cur\u0103\u021ba\u021bi unitatea de flux \u0219i pre\u00eenc\u0103lzitorul \u0219i efectua\u021bi o cur\u0103\u021bare mai temeinic\u0103 a zonei vasului de lipit pentru a \u00eendep\u0103rta zgura.<\/span><\/span><\/span><\/span><\/li>\n<li><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Lunar:<\/span><\/span><\/span><\/span><\/strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> Probele de lipit sunt trimise pentru analiz\u0103, pentru a verifica prezen\u021ba contaminan\u021bilor. De exemplu, con\u021binutul de cupru ar trebui s\u0103 fie men\u021binut, \u00een mod ideal, sub 1%, pentru a evita afectarea calit\u0103\u021bii \u00eembin\u0103rii lipite. <\/span><\/span><\/span><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">. <\/span><\/span><\/span><\/span><a href=\"https:\/\/www.aimsolder.com\/technical-articles\/guidelines-maintaining-solder-pot\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">[Sursa: AIM Solder]<\/span><\/span><\/span><\/span><\/a><\/li>\n<\/ul>\n<h4><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Monitorizarea \u0219i controlul proceselor<\/span><\/span><\/span><\/span><\/h4>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Auditurile periodice ale proceselor sunt esen\u021biale pentru a se asigura c\u0103 to\u021bi parametrii se \u00eencadreaz\u0103 \u00een specifica\u021bii. Utilizarea unui profilator termic pentru a \u00eenregistra traiectoria pl\u0103cii prin ma\u0219in\u0103 furnizeaz\u0103 date valoroase pentru controlul procesului. Documentarea detaliat\u0103 a set\u0103rilor parametrilor, a activit\u0103\u021bilor de \u00eentre\u021binere \u0219i a defectelor observate ajut\u0103 la rezolvarea rapid\u0103 a problemelor. Pentru o analiz\u0103 mai aprofundat\u0103 a problemelor frecvente, consulta\u021bi <\/span><\/span><\/span><\/span><a href=\"https:\/\/www.chuxin-smt.com\/ro\/wave-soldering-equipment-common-issues-and-solutions-guide\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Ghidul problemelor \u0219i solu\u021biilor legate de lipirea prin valuri<\/span><\/span><\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> . Prin combinarea set\u0103rilor bine definite cu strategii adaptabile \u0219i o \u00eentre\u021binere minu\u021bioas\u0103, produc\u0103torii pot ob\u021bine performan\u021be optime \u0219i se pot asigura c\u0103 procesele lor de lipire prin und\u0103 r\u0103m\u00e2n fiabile pentru mul\u021bi ani de acum \u00eenainte.<\/span><\/span><\/span><\/span><\/p>\n<h3><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">surs\u0103<\/span><\/span><\/span><\/span><\/h3>\n<ul>\n<li><a href=\"https:\/\/www.aimsolder.com\/technical-articles\/guidelines-maintaining-solder-pot\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">AIM Solder \u2013 Ghid pentru \u00eentre\u021binerea vasului de lipit<\/span><\/span><\/span><\/span><\/a><\/li>\n<li><a href=\"https:\/\/www.amtechsolder.com\/what-flux\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">AMTECH \u2013 Ce este fluxul?<\/span><\/span><\/span><\/span><\/a><\/li>\n<li><a href=\"https:\/\/www.amtechina.com\/wave-soldering-troubleshooting-guide\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">AMTECH \u2013 Ghid de depanare pentru lipirea prin valuri<\/span><\/span><\/span><\/span><\/a><\/li>\n<li><a href=\"https:\/\/resources.pcb.cadence.com\/blog\/2022-understanding-and-preventing-wave-soldering-defects\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Sistemul de proiectare Cadence \u2013 \u00cen\u021belegerea \u0219i prevenirea defectelor de lipire prin valuri<\/span><\/span><\/span><\/span><\/a><\/li>\n<li><a href=\"https:\/\/resources.pcb.cadence.com\/blog\/2020-understanding-the-dynamics-of-the-wave-soldering-process\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Cadence PCB \u2013 \u00cen\u021belegerea dinamicii proceselor de lipire prin und\u0103<\/span><\/span><\/span><\/span><\/a><\/li>\n<li><a href=\"https:\/\/www.chuxin-smt.com\/ro\/slug-a-comprehensive-guide-to-wave-soldering-temperature\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Chuxin SMT \u2013 Ghid complet privind temperatura de lipire prin und\u0103<\/span><\/span><\/span><\/span><\/a><\/li>\n<li><a href=\"https:\/\/www.chuxin-smt.com\/ro\/slug-a-step-by-step-guide-to-the-wave-soldering-process\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Chuxin SMT \u2013 Ghid pas cu pas pentru procesul de lipire prin und\u0103<\/span><\/span><\/span><\/span><\/a><\/li>\n<li><a href=\"https:\/\/www.chuxin-smt.com\/ro\/how-to-adjust-solder-wave-height-for-pcb-soldering-quality\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Chuxin SMT \u2013 Cum se regleaz\u0103 \u00een\u0103l\u021bimea valului de lipit pentru a asigura calitatea lipirii PCB-ului?<\/span><\/span><\/span><\/span><\/a><\/li>\n<li><a href=\"https:\/\/www.chuxin-smt.com\/ro\/how-to-reduce-voids-in-reflow-soldering-process-tips\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Chuxin SMT \u2013 Cum s\u0103 reduce\u021bi golurile \u00een lipirea prin reflow: sfaturi<\/span><\/span><\/span><\/span><\/a><\/li>\n<li><a href=\"https:\/\/www.chuxin-smt.com\/ro\/slug-mastering-the-lead-free-wave-soldering-profile-a-comprehensive-guide\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Chuxin SMT \u2013 St\u0103p\u00e2nirea profilului de lipire cu und\u0103 f\u0103r\u0103 plumb: un ghid complet<\/span><\/span><\/span><\/span><\/a><\/li>\n<li><a href=\"https:\/\/www.chuxin-smt.com\/ro\/reduce-solder-bridging-wave-soldering-best-practices\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Chuxin SMT \u2013 Reducerea pun\u021bilor de lipire \u00een procesul de lipire prin val: cele mai bune practici<\/span><\/span><\/span><\/span><\/a><\/li>\n<li><a href=\"https:\/\/www.chuxin-smt.com\/ro\/slug-the-complete-guide-to-pcb-conveyors\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Chuxin SMT \u2013 Ghid complet pentru benzi transportoare PCB<\/span><\/span><\/span><\/span><\/a><\/li>\n<li><a href=\"https:\/\/www.chuxin-smt.com\/ro\/wave-soldering-equipment-common-issues-and-solutions-guide\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Ghidul problemelor frecvente \u0219i solu\u021biilor pentru echipamentele de lipit cu und\u0103 SMT Chuxin<\/span><\/span><\/span><\/span><\/a><\/li>\n<li><a href=\"https:\/\/www.chuxin-smt.com\/ro\/wave-soldering-flux-selection-and-maintenance-guide\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Ghid de selec\u021bie \u0219i \u00eentre\u021binere a fluxului de lipire Chuxin SMT-Wave<\/span><\/span><\/span><\/span><\/a><\/li>\n<li><a href=\"https:\/\/www.epectec.com\/articles\/wave-soldering-process-defects-and-troubleshooting.html\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Epec Engineered Technologies \u2013 Defecte ale procesului de lipire prin valuri \u0219i depanare<\/span><\/span><\/span><\/span><\/a><\/li>\n<li><a href=\"https:\/\/www.epectec.com\/pcb\/wave-soldering\/files\/wave-soldering-defects.pdf\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Epec Tec \u2013 Defecte comune ale lipirii prin und\u0103 \u0219i depanare<\/span><\/span><\/span><\/span><\/a><\/li>\n<li><a href=\"https:\/\/www.esd.co.uk\/blog\/pcb-101-part-3-the-art-of-soldering\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Centrul de control ESD \u2013 PCB 101 Partea 3: Arta lipirii<\/span><\/span><\/span><\/span><\/a><\/li>\n<li><a href=\"https:\/\/www.kester.com\/knowledge-base\/lead-free-wave-soldering\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Kester \u2013 Lipire prin und\u0103 f\u0103r\u0103 plumb<\/span><\/span><\/span><\/span><\/a><\/li>\n<li><a href=\"https:\/\/www.kinetics.com.sg\/the-basic-principles-of-wave-soldering\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Dinamica \u2013 No\u021biuni de baz\u0103 privind lipirea prin und\u0103<\/span><\/span><\/span><\/span><\/a><\/li>\n<li><a href=\"https:\/\/www.pcbcart.com\/article\/content\/wave-soldering-parameters.html\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">PCBCart \u2013 Introducere \u00een parametrii de lipire prin valuri<\/span><\/span><\/span><\/span><\/a><\/li>\n<li><a href=\"https:\/\/www.pemtron.com\/solder-joint-voids-causes-and-prevention\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">PEMTRON \u2013 Goluri de lipire: cauze \u0219i prevenire<\/span><\/span><\/span><\/span><\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Basic forces of solder wave dynamics Wave soldering is a large-scale process for attaching through-hole components to printed circuit boards [&hellip;]<\/p>","protected":false},"author":1,"featured_media":3244,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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