{"id":480,"date":"2026-09-25T16:22:52","date_gmt":"2026-09-25T08:22:52","guid":{"rendered":"https:\/\/www.ypmfg.com\/2026\/09\/25\/cnc-machining-plexiglass-tooling-speeds-what-to-avoid\/"},"modified":"2026-09-25T16:22:52","modified_gmt":"2026-09-25T08:22:52","slug":"cnc-machining-plexiglass-tooling-speeds-what-to-avoid","status":"publish","type":"post","link":"https:\/\/www.ypmfg.com\/pt\/2026\/09\/25\/cnc-machining-plexiglass-tooling-speeds-what-to-avoid\/","title":{"rendered":"Usinagem CNC de acr\u00edlico: ferramentas, velocidades e o que evitar"},"content":{"rendered":"<div style=\"margin: 0 auto;padding: 20px;font-family: -apple-system, BlinkMacSystemFont,\">\n<p style=\"margin: 1.25em 0;line-height: 1.9;font-size: 16px;color: #222222;text-align: justify;letter-spacing: 0.02em\"><strong style=\"font-weight: 600;color: #b32050\">Resposta r\u00e1pida:<\/strong><\/p>\n<p style=\"margin: 1.25em 0;line-height: 1.9;font-size: 16px;color: #222222;text-align: justify;letter-spacing: 0.02em\">A usinagem CNC de acr\u00edlico (PMMA) \u00e9 pr\u00e1tica, mas implac\u00e1vel quando os par\u00e2metros se desviam. O material \u00e9 termopl\u00e1stico: calor acima de aproximadamente 160 \u00b0C amolece a borda de corte, produzindo rebarbas de fus\u00e3o, esbranqui\u00e7amento por tens\u00e3o e microfissuras. Voc\u00ea precisa de baixa rota\u00e7\u00e3o <strong style=\"font-weight: 600;color: #b32050\">fresas de topo de metal duro<\/strong>, avan\u00e7os abaixo de 0,5 mm por dente, e <strong style=\"font-weight: 600;color: #b32050\">fixa\u00e7\u00e3o a v\u00e1cuo ou mec\u00e2nica r\u00edgida<\/strong> para manter a vibra\u00e7\u00e3o fora da zona de corte. Se voc\u00ea errar qualquer um desses pontos, a pe\u00e7a \u00e9 arruinada antes mesmo de sair do dispositivo de fixa\u00e7\u00e3o. <strong style=\"font-weight: 600;color: #b32050\">YPMFG<\/strong> atende <strong style=\"font-weight: 600;color: #b32050\">usinagem CNC de acr\u00edlico<\/strong> trabalhos em que o acabamento superficial e a toler\u00e2ncia s\u00e3o as especifica\u00e7\u00f5es decisivas.<\/p>\n<p style=\"margin: 1.25em 0;line-height: 1.9;font-size: 16px;color: #222222;text-align: justify;letter-spacing: 0.02em\">Se voc\u00ea est\u00e1 enviando uma pe\u00e7a de acr\u00edlico para usinagem, a falha que voc\u00ea teme n\u00e3o \u00e9 uma dimens\u00e3o fora do especificado \u2014 \u00e9 uma trinca capilar ou uma borda arrastada que s\u00f3 aparece depois da desmoldagem. Os problemas abaixo s\u00e3o evit\u00e1veis, mas somente quando o operador ou o prestador de servi\u00e7o j\u00e1 trabalhou com <strong style=\"font-weight: 600;color: #b32050\">par\u00e2metros de corte para termopl\u00e1sticos<\/strong> de forma recorrente.<\/p>\n<p style=\"margin: 1.25em 0;line-height: 1.9;font-size: 16px;color: #222222;text-align: justify;letter-spacing: 0.02em\"><strong style=\"font-weight: 600;color: #b32050\">\u00cdndice<\/strong><\/p>\n<p style=\"margin: 1.25em 0;line-height: 1.9;font-size: 16px;color: #222222;text-align: justify;letter-spacing: 0.02em\">Como o acr\u00edlico se comporta sob o fuso<\/p>\n<p style=\"margin: 1.25em 0;line-height: 1.9;font-size: 16px;color: #222222;text-align: justify;letter-spacing: 0.02em\"><a href=\"\/pt\/2026\/09\/10\/usinagem-de-aco-inoxidavel-um-guia-completo-para-o-comprador\/\" title=\"Ferramentas\" target=\"_blank\">Ferramentas<\/a> e configura\u00e7\u00f5es de velocidade que protegem o corte<\/p>\n<p style=\"margin: 1.25em 0;line-height: 1.9;font-size: 16px;color: #222222;text-align: justify;letter-spacing: 0.02em\">Fixa\u00e7\u00e3o e dispositivos de trabalho para acr\u00edlico<\/p>\n<p style=\"margin: 1.25em 0;line-height: 1.9;font-size: 16px;color: #222222;text-align: justify;letter-spacing: 0.02em\">Modos de falha comuns e corre\u00e7\u00f5es r\u00e1pidas<\/p>\n<p style=\"margin: 1.25em 0;line-height: 1.9;font-size: 16px;color: #222222;text-align: justify;letter-spacing: 0.02em\">Perguntas que os compradores fazem antes de encomendar<\/p>\n<p style=\"margin: 1.25em 0;line-height: 1.9;font-size: 16px;color: #222222;text-align: justify;letter-spacing: 0.02em\">Como escolher um parceiro de usinagem para pe\u00e7as de acr\u00edlico<\/p>\n<p style=\"margin: 1.25em 0;line-height: 1.9;font-size: 16px;color: #222222;text-align: justify;letter-spacing: 0.02em\"><strong style=\"font-weight: 600;color: #b32050\">Como o acr\u00edlico se comporta sob o fuso<\/strong><\/p>\n<p style=\"margin: 1.25em 0;line-height: 1.9;font-size: 16px;color: #222222;text-align: justify;letter-spacing: 0.02em\"><img decoding=\"async\" src=\"https:\/\/www.ypmfg.com\/wp-content\/themes\/mb\/images_nengli\/vacuum-bed-optimized.jpg\" alt=\"m\u00e1quina cnc para acr\u00edlico_m\u00e1quina cnc para acr\u00edlico_m\u00e1quina cnc para acr\u00edlico\" style=\"width: 100%;max-width: 960px;height: auto;display: block;margin: 1.8em auto;border-radius: 0px\"><\/p>\n<p style=\"margin: 1.25em 0;line-height: 1.9;font-size: 16px;color: #222222;text-align: justify;letter-spacing: 0.02em\">O acr\u00edlico n\u00e3o \u00e9 um material tolerante. Ele tem um baixo limite de transi\u00e7\u00e3o v\u00edtrea, ent\u00e3o mesmo uma pequena quantidade de calor na zona de corte amolece o material antes que a aresta consiga cort\u00e1-lo. Depois de amolecido, a ferramenta arrasta em vez de cortar.<\/p>\n<p style=\"margin: 1.25em 0;line-height: 1.9;font-size: 16px;color: #222222;text-align: justify;letter-spacing: 0.02em\"><strong>O resultado \u00e9 uma borda brilhante e arredondada em vez de uma borda n\u00edtida. Voc\u00ea tamb\u00e9m ver\u00e1 linhas de tens\u00e3o interna irradiando do caminho de corte, que podem se propagar para uma trinca completa durante o manuseio ou ciclos t\u00e9rmicos.<\/strong><\/p>\n<p style=\"margin: 1.25em 0;line-height: 1.9;font-size: 16px;color: #222222;text-align: justify;letter-spacing: 0.02em\">Para chapas padr\u00e3o de 5 mm (3\/16 de polegada), manter o fuso abaixo de 6.000 RPM e o avan\u00e7o abaixo de 0,4 mm\/dente mant\u00e9m a temperatura de corte em uma faixa segura. Material mais espesso pode tolerar avan\u00e7os ligeiramente maiores, mas a regra continua a mesma: em caso de d\u00favida, corte mais devagar e deixe a ferramenta fazer o trabalho.<\/p>\n<p style=\"margin: 1.25em 0;line-height: 1.9;font-size: 16px;color: #222222;text-align: justify;letter-spacing: 0.02em\"><strong style=\"font-weight: 600;color: #b32050\">Ferramentas e configura\u00e7\u00f5es de velocidade que protegem o corte<\/strong><\/p>\n<table style=\"width: 100%;border-collapse: collapse;margin: 1.6em 0;border-radius: 10px 10px 0 0;overflow: hidden\">\n<tr>\n<th style=\"background: #9e1840;color: #fff;padding: 14px 16px;text-align: left;font-weight: 600;border: 1px solid #e0e0e0\">Par\u00e2metro<\/th>\n<th style=\"background: #9e1840;color: #fff;padding: 14px 16px;text-align: left;font-weight: 600;border: 1px solid #e0e0e0\">Faixa recomendada<\/th>\n<th style=\"background: #9e1840;color: #fff;padding: 14px 16px;text-align: left;font-weight: 600;border: 1px solid #e0e0e0\">Por que isso \u00e9 importante<\/th>\n<\/tr>\n<tr>\n<td style=\"padding: 12px 16px;color: #222222;border: 1px solid #e0e0e0\">Material da fresa de topo<\/td>\n<td style=\"padding: 12px 16px;color: #222222;border: 1px solid #e0e0e0\">Metal duro integral, canais polidos<\/td>\n<td style=\"padding: 12px 16px;color: #222222;border: 1px solid #e0e0e0\">Reduz o atrito e a ader\u00eancia de cavacos<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px 16px;color: #222222;border: 1px solid #e0e0e0\">Contagem de flautas<\/td>\n<td style=\"padding: 12px 16px;color: #222222;border: 1px solid #e0e0e0\">2 ou 3 canais, \u00e2ngulo de sa\u00edda positivo pequeno<\/td>\n<td style=\"padding: 12px 16px;color: #222222;border: 1px solid #e0e0e0\">Evacua\u00e7\u00e3o de cavacos mais f\u00e1cil em termopl\u00e1sticos<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px 16px;color: #222222;border: 1px solid #e0e0e0\">Velocidade do fuso<\/td>\n<td style=\"padding: 12px 16px;color: #222222;border: 1px solid #e0e0e0\">2.000\u20136.000 RPM (escalar conforme a largura de corte)<\/td>\n<td style=\"padding: 12px 16px;color: #222222;border: 1px solid #e0e0e0\">Limita a temperatura da zona de corte<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px 16px;color: #222222;border: 1px solid #e0e0e0\">Avan\u00e7o por dente<\/td>\n<td style=\"padding: 12px 16px;color: #222222;border: 1px solid #e0e0e0\">0.2\u20130.5 mm<\/td>\n<td style=\"padding: 12px 16px;color: #222222;border: 1px solid #e0e0e0\">Evita fus\u00e3o e arraste<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px 16px;color: #222222;border: 1px solid #e0e0e0\">Profundidade de corte<\/td>\n<td style=\"padding: 12px 16px;color: #222222;border: 1px solid #e0e0e0\">\u2264 50 % do di\u00e2metro da ferramenta<\/td>\n<td style=\"padding: 12px 16px;color: #222222;border: 1px solid #e0e0e0\">Reduz a carga radial e a vibra\u00e7\u00e3o<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px 16px;color: #222222;border: 1px solid #e0e0e0\">Jato de ar<\/td>\n<td style=\"padding: 12px 16px;color: #222222;border: 1px solid #e0e0e0\">Ar comprimido, 20\u201340 psi, direcionado ao corte<\/td>\n<td style=\"padding: 12px 16px;color: #222222;border: 1px solid #e0e0e0\">Remove cavacos, reduz o calor<\/td>\n<\/tr>\n<\/table>\n<p style=\"margin: 1.25em 0;line-height: 1.9;font-size: 16px;color: #222222;text-align: justify;letter-spacing: 0.02em\">Os valores acima cobrem a faixa que a maioria dos <strong style=\"font-weight: 600;color: #b32050\">operadores de usinagem CNC<\/strong> usa para PMMA. Voc\u00ea ver\u00e1 varia\u00e7\u00e3o dependendo da espessura da chapa, do di\u00e2metro da ferramenta e da rigidez da m\u00e1quina, ent\u00e3o sempre fa\u00e7a um teste a seco em velocidade reduzida antes de uma passada de produ\u00e7\u00e3o completa. A profundidade de corte \u00e9 especialmente cr\u00edtica: usinar a 80 % ou 100 % do di\u00e2metro da ferramenta em acr\u00edlico gerar\u00e1 calor lateral suficiente para deformar a pe\u00e7a antes de o corte terminar.<\/p>\n<p style=\"margin: 1.25em 0;line-height: 1.9;font-size: 16px;color: #222222;text-align: justify;letter-spacing: 0.02em\"><strong style=\"font-weight: 600;color: #b32050\">Fixa\u00e7\u00e3o e dispositivos de trabalho para acr\u00edlico<\/strong><\/p>\n<p style=\"margin: 1.25em 0;line-height: 1.9;font-size: 16px;color: #222222;text-align: justify;letter-spacing: 0.02em\">O acr\u00edlico \u00e9 fino e flex\u00edvel. Uma fixa\u00e7\u00e3o frouxa deixa a chapa flexionar sob a ferramenta, e essa flex\u00e3o se torna uma linha de tens\u00e3o que voc\u00ea n\u00e3o consegue remover depois na usinagem.<\/p>\n<p style=\"margin: 1.25em 0;line-height: 1.9;font-size: 16px;color: #222222;text-align: justify;letter-spacing: 0.02em\">Use mesas de v\u00e1cuo para trabalho em chapas, ou dispositivos de fixa\u00e7\u00e3o com castanhas macias e interface de feltro ou borracha para blocos maci\u00e7os. Nunca fixe o acr\u00edlico contra castanhas de a\u00e7o nu \u2014 a marca de press\u00e3o aparecer\u00e1 na face acabada e \u00e9 quase imposs\u00edvel de remover sem polir toda a superf\u00edcie.<\/p>\n<p style=\"margin: 1.25em 0;line-height: 1.9;font-size: 16px;color: #222222;text-align: justify;letter-spacing: 0.02em\">Para pe\u00e7as com menos de 6 mm de espessura, uma morsa de duas faces com faces acolchoadas geralmente \u00e9 suficiente. Material mais espesso em uma m\u00e1quina de 3 eixos se beneficia de uma placa de sacrif\u00edcio de apoio, para que a for\u00e7a de fixa\u00e7\u00e3o nunca se concentre na pr\u00f3pria pe\u00e7a.<\/p>\n<p style=\"margin: 1.25em 0;line-height: 1.9;font-size: 16px;color: #222222;text-align: justify;letter-spacing: 0.02em\"><strong style=\"font-weight: 600;color: #b32050\">Modos de falha comuns e corre\u00e7\u00f5es r\u00e1pidas<\/strong><\/p>\n<p style=\"margin: 1.25em 0;line-height: 1.9;font-size: 16px;color: #222222;text-align: justify;letter-spacing: 0.02em\"><img decoding=\"async\" src=\"https:\/\/www.ypmfg.com\/wp-content\/themes\/mb\/images_nengli\/rd-cnc-machining-center-optimized.png\" alt=\"m\u00e1quina cnc para acr\u00edlico_m\u00e1quina cnc para acr\u00edlico_m\u00e1quina cnc para acr\u00edlico\" style=\"width: 100%;max-width: 960px;height: auto;display: block;margin: 1.8em auto;border-radius: 0px\"><\/p>\n<p style=\"margin: 1.25em 0;line-height: 1.9;font-size: 16px;color: #222222;text-align: justify;letter-spacing: 0.02em\"><strong style=\"font-weight: 600;color: #b32050\">Fus\u00e3o ou arraste na borda de corte:<\/strong> Avan\u00e7o ou RPM muito altos para a ferramenta. Reduza a velocidade em 20 % e aumente a press\u00e3o do jato de ar.<\/p>\n<p style=\"margin: 1.25em 0;line-height: 1.9;font-size: 16px;color: #222222;text-align: justify;letter-spacing: 0.02em\"><strong style=\"font-weight: 600;color: #b32050\">Trincas capilares causadas pela fixa\u00e7\u00e3o:<\/strong> For\u00e7a concentrada em uma pequena \u00e1rea. Redistribua com acolchoamentos ou mude para v\u00e1cuo.<\/p>\n<p style=\"margin: 1.25em 0;line-height: 1.9;font-size: 16px;color: #222222;text-align: justify;letter-spacing: 0.02em\"><strong style=\"font-weight: 600;color: #b32050\">Linhas de tens\u00e3o brancas pr\u00f3ximas ao corte:<\/strong> Tens\u00e3o interna de uma etapa anterior de conforma\u00e7\u00e3o ou soldagem. Recoza a chapa a 100\u2013110 \u00b0C antes da usinagem.<\/p>\n<p style=\"margin: 1.25em 0;line-height: 1.9;font-size: 16px;color: #222222;text-align: justify;letter-spacing: 0.02em\"><strong style=\"font-weight: 600;color: #b32050\">Ader\u00eancia de cavacos nos canais:<\/strong> Polimento errado ou corte muito profundo. Use metal duro polido de 2 canais e mantenha-se dentro de 50 % do di\u00e2metro de profundidade.<\/p>\n<p style=\"margin: 1.25em 0;line-height: 1.9;font-size: 16px;color: #222222;text-align: justify;letter-spacing: 0.02em\"><strong style=\"font-weight: 600;color: #b32050\">Marcas de vibra\u00e7\u00e3o (chatter):<\/strong> Fuso em uma faixa de RPM ressonante. Desloque a velocidade em 10\u201315 % e verifique se a excentricidade da ferramenta est\u00e1 abaixo de 0,02 mm.<\/p>\n<p style=\"margin: 1.25em 0;line-height: 1.9;font-size: 16px;color: #222222;text-align: justify;letter-spacing: 0.02em\">Se dois ou mais desses aparecem juntos, a causa raiz \u00e9 quase sempre uma incompatibilidade de par\u00e2metros e n\u00e3o um defeito da ferramenta. Verifique novamente toda a configura\u00e7\u00e3o antes de culpar a m\u00e1quina.<\/p>\n<p style=\"margin: 1.25em 0;line-height: 1.9;font-size: 16px;color: #222222;text-align: justify;letter-spacing: 0.02em\"><strong style=\"font-weight: 600;color: #b32050\">Perguntas que os compradores fazem antes de encomendar<\/strong><\/p>\n<p style=\"margin: 1.25em 0;line-height: 1.9;font-size: 16px;color: #222222;text-align: justify;letter-spacing: 0.02em\"><strong style=\"font-weight: 600;color: #b32050\">Um CNC padr\u00e3o de 3 eixos consegue usinar acr\u00edlico, ou eu preciso de um laser?<\/strong><\/p>\n<p style=\"margin: 1.25em 0;line-height: 1.9;font-size: 16px;color: #222222;text-align: justify;letter-spacing: 0.02em\">Para a maioria das geometrias de pe\u00e7as com furos, rasgos e bols\u00f5es, um CNC de 3 eixos com ferramental adequado \u00e9 suficiente. O corte a laser \u00e9 adequado para contornos planos 2-D, mas n\u00e3o consegue produzir recursos ao longo da espessura ou contornos 3-D.<\/p>\n<p style=\"margin: 1.25em 0;line-height: 1.9;font-size: 16px;color: #222222;text-align: justify;letter-spacing: 0.02em\"><strong style=\"font-weight: 600;color: #b32050\">Que toler\u00e2ncia posso realisticamente esperar em uma pe\u00e7a de acr\u00edlico de 10 mm de espessura?<\/strong><\/p>\n<p style=\"margin: 1.25em 0;line-height: 1.9;font-size: 16px;color: #222222;text-align: justify;letter-spacing: 0.02em\">Com uma configura\u00e7\u00e3o est\u00e1vel e ferramental correto, \u00b10,1 mm \u00e9 t\u00edpico em bordas n\u00e3o cr\u00edticas. Furos cr\u00edticos podem precisar de um alargamento secund\u00e1rio ou de uma passada de acabamento com ajuste mais apertado.<\/p>\n<p style=\"margin: 1.25em 0;line-height: 1.9;font-size: 16px;color: #222222;text-align: justify;letter-spacing: 0.02em\"><strong style=\"font-weight: 600;color: #b32050\">A superf\u00edcie fresada ficar\u00e1 igual \u00e0 chapa bruta?<\/strong><\/p>\n<p style=\"margin: 1.25em 0;line-height: 1.9;font-size: 16px;color: #222222;text-align: justify;letter-spacing: 0.02em\">N\u00e3o. A face fresada mostra marcas finas da ferramenta. Se voc\u00ea precisa de acabamento brilhante, planeje uma etapa posterior, como lixamento \u00famido at\u00e9 2000 ou uma passagem controlada de chama.<\/p>\n<p style=\"margin: 1.25em 0;line-height: 1.9;font-size: 16px;color: #222222;text-align: justify;letter-spacing: 0.02em\"><strong style=\"font-weight: 600;color: #b32050\">O que devo enviar antes de solicitar um or\u00e7amento?<\/strong><\/p>\n<p style=\"margin: 1.25em 0;line-height: 1.9;font-size: 16px;color: #222222;text-align: justify;letter-spacing: 0.02em\">Envie seu arquivo 3D ou desenho 2-D com espessura, grau do material (fundido vs. extrudado), indica\u00e7\u00f5es de toler\u00e2ncia e requisito de acabamento superficial. <strong style=\"font-weight: 600;color: #b32050\">YPMFG<\/strong> sinalizar\u00e1 qualquer geometria que tensiona o material durante o corte e sugerir\u00e1 mudan\u00e7as de par\u00e2metros antes de voc\u00ea se comprometer.<\/p>\n<p style=\"margin: 1.25em 0;line-height: 1.9;font-size: 16px;color: #222222;text-align: justify;letter-spacing: 0.02em\"><strong style=\"font-weight: 600;color: #b32050\">Acr\u00edlico extrudado vs. fundido importa para o trabalho em CNC?<\/strong><\/p>\n<p style=\"margin: 1.25em 0;line-height: 1.9;font-size: 16px;color: #222222;text-align: justify;letter-spacing: 0.02em\">Sim. O acr\u00edlico fundido tem melhor resist\u00eancia t\u00e9rmica e menor tens\u00e3o interna. A chapa extrudada \u00e9 mais barata, mas trinca mais facilmente nos pontos de entrada da ferramenta. Para pe\u00e7as usinadas, o fundido \u00e9 a op\u00e7\u00e3o padr\u00e3o mais segura.<\/p>\n<p style=\"margin: 1.25em 0;line-height: 1.9;font-size: 16px;color: #222222;text-align: justify;letter-spacing: 0.02em\"><strong style=\"font-weight: 600;color: #b32050\">Como escolher um parceiro de usinagem para pe\u00e7as de acr\u00edlico<\/strong><\/p>\n<p style=\"margin: 1.25em 0;line-height: 1.9;font-size: 16px;color: #222222;text-align: justify;letter-spacing: 0.02em\">O custo real da <strong style=\"font-weight: 600;color: #b32050\">usinagem CNC de pe\u00e7as de acr\u00edlico<\/strong> n\u00e3o \u00e9 o material \u2014 \u00e9 o refugo e o retrabalho que acontecem quando os par\u00e2metros s\u00e3o adivinhados em vez de projetados. Um servi\u00e7o que trata o acr\u00edlico da mesma forma que trata o alum\u00ednio produzir\u00e1 pe\u00e7as que parecem acabadas, mas falham em servi\u00e7o sob carga t\u00e9rmica ou mec\u00e2nica.<\/p>\n<p style=\"margin: 1.25em 0;line-height: 1.9;font-size: 16px;color: #222222;text-align: justify;letter-spacing: 0.02em\">Ao avaliar um fornecedor, pergunte especificamente se ele mant\u00e9m um registro de par\u00e2metros por material e espessura, se pode mostrar um corte de teste antes de um lote completo e qual \u00e9 sua pol\u00edtica de al\u00edvio de tens\u00f5es da chapa fundida antes do corte.<\/p>\n<p style=\"margin: 1.25em 0;line-height: 1.9;font-size: 16px;color: #222222;text-align: justify;letter-spacing: 0.02em\">Voc\u00ea pode enviar seu desenho ou arquivo 3D para <strong style=\"font-weight: 600;color: #b32050\">YPMFG<\/strong> para uma revis\u00e3o r\u00e1pida de engenharia, recomenda\u00e7\u00e3o de par\u00e2metros e or\u00e7amento. N\u00e3o h\u00e1 pedido m\u00ednimo exigido para um corte de amostra de primeira pe\u00e7a.<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Resposta r\u00e1pida:A usinagem CNC de acr\u00edlico (PMMA) \u00e9 pr\u00e1tica, mas implac\u00e1vel quando os par\u00e2metros<\/p>","protected":false},"author":1,"featured_media":481,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[44],"tags":[427,406,428,426,242],"class_list":["post-480","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-acrylic","tag-cnc-machining","tag-parameters","tag-plexiglass","tag-tooling"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>CNC Machining Plexiglass: Tooling, Speeds &amp; What to Avoid<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ypmfg.com\/pt\/2026\/09\/25\/cnc-machining-plexiglass-tooling-speeds-what-to-avoid\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"CNC Machining Plexiglass: Tooling, Speeds &amp; 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