{"id":9251,"date":"2025-09-14T15:08:22","date_gmt":"2025-09-14T15:08:22","guid":{"rendered":"https:\/\/pcblasercuttingmachine.com\/?p=9251"},"modified":"2025-09-14T15:13:37","modified_gmt":"2025-09-14T15:13:37","slug":"laser-cutting-pcb-board-vs-routing","status":"publish","type":"post","link":"https:\/\/pcblasercuttingmachine.com\/pt\/laser-cutting-pcb-board-vs-routing\/","title":{"rendered":"Corte a laser de placas de circuito impresso (PCB) vs. roteamento: c\u00e1lculo de corte e rendimento"},"content":{"rendered":"<h2 class=\"wp-block-heading\" id=\"tl-dr\">Resumo<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Despaineliza\u00e7\u00e3o a laser<\/strong> (UV\/Verde) tem um <strong>ranhura estreita<\/strong> (dezenas de \u00b5m) e necessita apenas de um <strong>pequena folga<\/strong> \u2192 mais placas por painel = <strong>maior rendimento<\/strong> e <strong>menor custo por PCB<\/strong>.<\/li>\n\n\n\n<li><strong>Roteamento<\/strong> usa uma fresa\/broca (di\u00e2metro de 2\u20133 mm); a largura\/folga necess\u00e1ria \u00e9 muito maior \u2192 menos UPH por painel e <strong>mais \u00e1rea de sucata<\/strong>.<\/li>\n\n\n\n<li>Com o mesmo painel, passando do roteamento para <strong>corte a laser de placa PCB<\/strong> geralmente aumenta o rendimento do painel em <strong>~15\u201330%<\/strong> (exemplo abaixo), eliminando rebarbas\/limalhas e estresse mec\u00e2nico.<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-greenshift-blocks-image gspb_image gspb_image-id-gsbp-2a5e7a2\" id=\"gspb_image-id-gsbp-2a5e7a2\"><img decoding=\"async\" src=\"https:\/\/pcblasercuttingmachine.com\/wp-content\/uploads\/2025\/09\/Comparison-of-various-types-of-PCB-splitters.png\" data-src=\"\" alt=\"Compara\u00e7\u00e3o de v\u00e1rios tipos de divisores de PCB\" loading=\"lazy\" width=\"1466\" height=\"1015\" title=\"\"><\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"1-kerf-spacing-basics-the-only-math-that-matters\">1) No\u00e7\u00f5es b\u00e1sicas de espa\u00e7amento e corte (a \u00fanica matem\u00e1tica que importa)<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Corte<\/strong> = largura de remo\u00e7\u00e3o.\n<ul class=\"wp-block-list\">\n<li>Kerf de roteamento \u2248 <strong>di\u00e2metro da broca<\/strong> (por exemplo, 2\u20133 mm).<\/li>\n\n\n\n<li>Corte a laser \u2248 <strong>20\u201350 \u00b5m<\/strong> (0,02\u20130,05 mm), dependente do modelo e da receita.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Espa\u00e7amento necess\u00e1rio<\/strong> entre PCBs (a \u201cteia\u201d) deve cobrir o corte <strong>mais<\/strong> um <strong>autoriza\u00e7\u00e3o de seguran\u00e7a<\/strong> para toler\u00e2ncia\/qualidade da aresta.\n<ul class=\"wp-block-list\">\n<li>Roteamento t\u00edpico da web: <strong>\u2248 3,0 mm<\/strong> (broca de 2,0 mm + margem de ~1,0 mm).<\/li>\n\n\n\n<li>Rede laser t\u00edpica: <strong>\u2248 0,2 mm<\/strong> (corte de 0,05 mm + margem de ~0,15 mm).<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p><strong>Placas por painel (BPP)<\/strong> f\u00f3rmula (sem aninhamento\/rota\u00e7\u00f5es):<\/p>\n\n\n\n<p>UsableWidth = PanelWidth \u2013 2 * RailX<br>AlturaUtiliz\u00e1vel = AlturaPainel \u2013 2 * TrilhoY<br><br>Across = piso (largura utiliz\u00e1vel \/ (quadroX + espa\u00e7amentoX))<br>Baixo = piso (AlturaUtiliz\u00e1vel \/ (QuadroY + Espa\u00e7amentoY))<br><br>BPP = Horizontal * Vertical<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"2-worked-example-same-panel-different-spacing\">2) Exemplo pr\u00e1tico (mesmo painel, espa\u00e7amento diferente)<\/h2>\n\n\n\n<p><strong>Dado<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Painel: <strong>250 \u00d7 200 mm<\/strong>, trilhos de borda <strong>10 mil\u00edmetros<\/strong> cada lado \u2192 Utiliz\u00e1vel <strong>230 \u00d7 180 mm<\/strong><\/li>\n\n\n\n<li>PCB: <strong>25 \u00d7 20 mm<\/strong><\/li>\n\n\n\n<li>Caso A (Roteamento): Espa\u00e7amentoX = Espa\u00e7amentoY = <strong>3,0 mil\u00edmetros<\/strong><\/li>\n\n\n\n<li>Caso B (Laser): Espa\u00e7amentoX = Espa\u00e7amentoY = <strong>0,2 mil\u00edmetros<\/strong><\/li>\n<\/ul>\n\n\n\n<p><strong>Calcular<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Caso A (Roteamento)\n<ul class=\"wp-block-list\">\n<li>PassoX = 25 + 3,0 = <strong>28,0 mil\u00edmetros<\/strong> \u2192 Atrav\u00e9s = piso(230\/28,0) = <strong>8<\/strong><\/li>\n\n\n\n<li>PassoY = 20 + 3,0 = <strong>23,0 mil\u00edmetros<\/strong> \u2192 Baixo = piso(180\/23,0) = <strong>7<\/strong><\/li>\n\n\n\n<li><strong>Roteamento BPP = 8 \u00d7 7 = 56<\/strong><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Caso B (Laser)\n<ul class=\"wp-block-list\">\n<li>PassoX = 25 + 0,2 = <strong>25,2 mil\u00edmetros<\/strong> \u2192 Atrav\u00e9s = piso(230\/25,2) = <strong>9<\/strong><\/li>\n\n\n\n<li>PassoY = 20 + 0,2 = <strong>20,2 mil\u00edmetros<\/strong> \u2192 Baixo = piso(180\/20,2) = <strong>8<\/strong><\/li>\n\n\n\n<li><strong>BPP_laser = 9 \u00d7 8 = 72<\/strong><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p><strong>Aumento de rendimento<\/strong><\/p>\n\n\n\n<p>Eleva\u00e7\u00e3o = (72 \u2013 56) \/ 56 = 28.57%<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"3-cost-per-board-from-panel-price\">3) Custo por placa a partir do pre\u00e7o do painel<\/h2>\n\n\n\n<p>Se o mesmo painel custa <strong>$10<\/strong>:<\/p>\n\n\n\n<p>Custo unit\u00e1rio de roteamento = $10 \/ 56 = $0,1786<br>Custo unit\u00e1rio do laser = $10 \/ 72 = $0,1389<br>Economia por PCB = $0,0397 (~22,2% custo unit\u00e1rio menor)<\/p>\n\n\n\n<p>No <strong>500,000<\/strong> PCBs\/ano, economia \u2248 <strong>$19,850<\/strong>\/ano (excluindo qualidade, retrabalho e consum\u00edveis).<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"4-sensitivity-snapshot-how-spacing-moves-the-needle\">4) Instant\u00e2neo de sensibilidade (como o espa\u00e7amento move a agulha)<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Roteamento web <strong>2,5 mil\u00edmetros<\/strong> \u2192 Horizontal = piso(230\/27,5)=8, Vertical=piso(180\/22,5)=8 \u21d2 <strong>64<\/strong>\/painel<\/li>\n\n\n\n<li>Rede a laser <strong>0,3 mil\u00edmetros<\/strong> \u2192 Horizontal = piso(230\/25,3)=9, Vertical = piso(180\/20,3)=8 \u21d2 <strong>72<\/strong>\/painel<br><strong>Ganho<\/strong> = (72\u221264)\/64 = <strong>12.5%<\/strong><\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>At\u00e9 mesmo redu\u00e7\u00f5es modestas na web criam economias anuais significativas.<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"5-cycle-time-oee-why-laser-depaneling-pcb-often-wins\">5) Tempo de ciclo e OEE (por que a \u201cplaca de circuito impresso despainelizada a laser\u201d geralmente vence)<\/h2>\n\n\n\n<p>Tempo aproximado do ciclo do painel:<\/p>\n\n\n\n<p>Tpanel \u2248 Lcut \/ Vcut + Nfid * Talign + Tload\/unload + Toverhead<\/p>\n\n\n\n<p><strong>Laser<\/strong> remove:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Sobrecarga de mudan\u00e7a de bits<\/strong> e desgaste da ferramenta<\/li>\n\n\n\n<li><strong>Etapas de limpeza<\/strong> de rebarba\/limalha<\/li>\n\n\n\n<li><strong>Retrabalho<\/strong> de estresse mec\u00e2nico pr\u00f3ximo aos componentes<br>Isso geralmente compensa valores Lcut\/Vcut semelhantes, resultando em valores mais altos <strong>UPH<\/strong> e <strong>OEE<\/strong>\u2014especialmente em contornos complexos.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"6-quality-effects-that-don-t-fit-in-one-equation\">6) Efeitos de qualidade que n\u00e3o se encaixam em uma equa\u00e7\u00e3o<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Qualidade da borda:<\/strong> sem rebarbas, sem limalhas condutivas; bordas da m\u00e1scara de solda mais limpas.<\/li>\n\n\n\n<li><strong>Cortes pr\u00f3ximos ao cobre\/pr\u00f3ximos ao componente:<\/strong> baixa repetibilidade de HAZ + m\u00edcrons \u2192 limites de exposi\u00e7\u00e3o mais rigorosos.<\/li>\n\n\n\n<li><strong>Produtos mistos:<\/strong> troca de par\u00e2metros\/receitas em segundos; sem matrizes ou bits de roteamento.<\/li>\n\n\n\n<li><strong>Risco de rendimento:<\/strong> menos retrabalhos devido a componentes levantados, vias rachadas ou curtos-circuitos de detritos.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"7-what-we-need-to-compute-your-numbers\">7) O que precisamos calcular <em>Seu<\/em> N\u00fameros<\/h2>\n\n\n\n<p>Enviar: tamanho do painel e trilhos, tamanho do PCB, espa\u00e7amento preferido (ou exclus\u00e3o), qualidade do corte\/borda alvo, material e espessura e modo de linha (<strong>offline\/em linha<\/strong> com ou sem <strong>MES<\/strong>). N\u00f3s devolveremos seu <strong>BPP<\/strong>, <strong>custo unit\u00e1rio<\/strong>, e um <strong>tempo de ciclo<\/strong> estimativa.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"model-picks-quick-guide\">Escolha de modelos (guia r\u00e1pido)<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Off-line:<\/strong> <strong>DirectLaser H1<\/strong> (precis\u00e3o compacta), <strong>S2<\/strong> (cavalo de batalha de 350\u00d7350 mm)<\/li>\n\n\n\n<li><strong>Em linha:<\/strong> <strong>S4<\/strong> (trilho em linha 350\u00d7350 mm), <strong>H3<\/strong> (mesa dupla em linha 300\u00d7300 mm)<\/li>\n\n\n\n<li><strong>Grande \/ m\u00faltiplo:<\/strong> <strong>H3 330D<\/strong> (350\u00d7520 mm), <strong>H5<\/strong> (520\u00d7520 mm; at\u00e9 580\u00d7580)<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>TL;DR 1) Kerf &amp; Spacing Basics (the only math that matters) Boards-per-panel (BPP) formula (no nesting\/rotations): UsableWidth = PanelWidth &#8211; 2 * RailXUsableHeight = PanelHeight &#8211; 2 * RailY Across = floor( UsableWidth \/ (BoardX + SpacingX) )Down = floor( UsableHeight \/ (BoardY + SpacingY) ) BPP = Across * Down 2) Worked Example (same [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":9213,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_gspb_post_css":"#gspb_image-id-gsbp-2a5e7a2 img{vertical-align:top;display:inline-block;box-sizing:border-box;max-width:100%;height:auto}","footnotes":""},"categories":[1],"tags":[],"class_list":["post-9251","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pcb-laser-depaneling-machine"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/pcblasercuttingmachine.com\/pt\/wp-json\/wp\/v2\/posts\/9251","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pcblasercuttingmachine.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pcblasercuttingmachine.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pcblasercuttingmachine.com\/pt\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/pcblasercuttingmachine.com\/pt\/wp-json\/wp\/v2\/comments?post=9251"}],"version-history":[{"count":0,"href":"https:\/\/pcblasercuttingmachine.com\/pt\/wp-json\/wp\/v2\/posts\/9251\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pcblasercuttingmachine.com\/pt\/wp-json\/wp\/v2\/media\/9213"}],"wp:attachment":[{"href":"https:\/\/pcblasercuttingmachine.com\/pt\/wp-json\/wp\/v2\/media?parent=9251"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pcblasercuttingmachine.com\/pt\/wp-json\/wp\/v2\/categories?post=9251"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pcblasercuttingmachine.com\/pt\/wp-json\/wp\/v2\/tags?post=9251"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}