{"id":18379,"date":"2026-09-15T12:42:35","date_gmt":"2026-09-15T04:42:35","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=18379"},"modified":"2026-10-19T14:42:08","modified_gmt":"2026-10-19T06:42:08","slug":"tool-steel-cutting-speeds-and-feeds","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/pt\/tool-steel-cutting-speeds-and-feeds\/","title":{"rendered":"Velocidades de corte para a\u00e7os para ferramentas"},"content":{"rendered":"<h1 class=\"wp-block-heading has-text-align-center\" id=\"h-cutting-speeds-for-tool-steels\">Velocidades de corte para a\u00e7os para ferramentas<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Velocidades de corte com a\u00e7o r\u00e1pido para graus de a\u00e7o para ferramentas, por dureza, para torneamento, fresamento, fura\u00e7\u00e3o e alargamento, com fatores que trocam velocidade por vida da ferramenta. As velocidades est\u00e3o em p\u00e9s por minuto (fpm), conforme publicado nas tabelas de velocidade e avan\u00e7o do Handbook.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Velocidades de corte de a\u00e7o r\u00e1pido por grau<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Um conjunto pr\u00e1tico de velocidades para a\u00e7o r\u00e1pido para as fam\u00edlias comuns de a\u00e7o para ferramentas:\u00a0<a href=\"https:\/\/aobosteel.com\/pt\/cold-work-tool-steels\/\">trabalho a frio<\/a>,\u00a0<a href=\"https:\/\/aobosteel.com\/pt\/hot-work-tool-steels\/\">trabalho quente<\/a>,\u00a0and\u00a0<a href=\"https:\/\/aobosteel.com\/pt\/high-speed-steels\/\">de alta velocidade<\/a>\u00a0graus, a partir das colunas de velocidade tradicionais das tabelas de torneamento, fresamento e perfura\u00e7\u00e3o do Handbook, reunidos em uma \u00fanica compara\u00e7\u00e3o. As velocidades com carboneto para os mesmos graus s\u00e3o v\u00e1rias vezes maiores nas tabelas de origem.<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">Grau<\/th><th class=\"has-text-align-left\" data-align=\"left\">Condi\u00e7\u00e3o<\/th><th class=\"has-text-align-left\" data-align=\"left\">Torneamento, fpm<\/th><th class=\"has-text-align-left\" data-align=\"left\">Fresamento, fpm<\/th><th class=\"has-text-align-left\" data-align=\"left\">Perfura\u00e7\u00e3o, fpm<\/th><th class=\"has-text-align-left\" data-align=\"left\">Alargamento, fpm<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\" colspan=\"6\">T\u00eampera em \u00e1gua<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">W1, W2, W5<\/td><td class=\"has-text-align-left\" data-align=\"left\">150\u2013200 Bhn<\/td><td class=\"has-text-align-left\" data-align=\"left\">100<\/td><td class=\"has-text-align-left\" data-align=\"left\">85<\/td><td class=\"has-text-align-left\" data-align=\"left\">85<\/td><td class=\"has-text-align-left\" data-align=\"left\">55<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\" colspan=\"6\">Resist\u00eancia ao choque<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">S1, S2, S5, S6, <a href=\"https:\/\/aobosteel.com\/pt\/s7-tool-steel\/\">S7<\/a><\/td><td class=\"has-text-align-left\" data-align=\"left\">175\u2013225 Bhn<\/td><td class=\"has-text-align-left\" data-align=\"left\">70<\/td><td class=\"has-text-align-left\" data-align=\"left\">55<\/td><td class=\"has-text-align-left\" data-align=\"left\">50<\/td><td class=\"has-text-align-left\" data-align=\"left\">35<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\" colspan=\"6\">Trabalho a frio, t\u00eampera em \u00f3leo<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/pt\/o1-tool-steel\/\">O1<\/a>, O2, O6, O7<\/td><td class=\"has-text-align-left\" data-align=\"left\">175\u2013225 Bhn<\/td><td class=\"has-text-align-left\" data-align=\"left\">70<\/td><td class=\"has-text-align-left\" data-align=\"left\">50<\/td><td class=\"has-text-align-left\" data-align=\"left\">45<\/td><td class=\"has-text-align-left\" data-align=\"left\">30<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\" colspan=\"6\">Trabalho a frio, alto carbono alto cromo<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/pt\/d2-tool-steel\/\">D2<\/a>, D3, D4, D5, D7<\/td><td class=\"has-text-align-left\" data-align=\"left\">200\u2013250 Bhn<\/td><td class=\"has-text-align-left\" data-align=\"left\">45<\/td><td class=\"has-text-align-left\" data-align=\"left\">40<\/td><td class=\"has-text-align-left\" data-align=\"left\">30<\/td><td class=\"has-text-align-left\" data-align=\"left\">20<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\" colspan=\"6\">Trabalho a frio, t\u00eampera ao ar<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/pt\/a2-tool-steel\/\">A2<\/a>, A3, A8, <a href=\"https:\/\/aobosteel.com\/pt\/a9-tool-steel-heat-treatment\/\">A9<\/a>, A10<\/td><td class=\"has-text-align-left\" data-align=\"left\">200\u2013250 Bhn<\/td><td class=\"has-text-align-left\" data-align=\"left\">70<\/td><td class=\"has-text-align-left\" data-align=\"left\">50<\/td><td class=\"has-text-align-left\" data-align=\"left\">50<\/td><td class=\"has-text-align-left\" data-align=\"left\">35<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">A4, A6<\/td><td class=\"has-text-align-left\" data-align=\"left\">200\u2013250 Bhn<\/td><td class=\"has-text-align-left\" data-align=\"left\">55<\/td><td class=\"has-text-align-left\" data-align=\"left\">45<\/td><td class=\"has-text-align-left\" data-align=\"left\">45<\/td><td class=\"has-text-align-left\" data-align=\"left\">30<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">A7<\/td><td class=\"has-text-align-left\" data-align=\"left\">225\u2013275 Bhn<\/td><td class=\"has-text-align-left\" data-align=\"left\">45<\/td><td class=\"has-text-align-left\" data-align=\"left\">40<\/td><td class=\"has-text-align-left\" data-align=\"left\">30<\/td><td class=\"has-text-align-left\" data-align=\"left\">20<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\" colspan=\"6\">Trabalho a quente, tipo cromo<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\" rowspan=\"6\">H10, H11, H12, <a href=\"https:\/\/aobosteel.com\/pt\/h13-tool-steel\/\">H13<\/a>, H14, H19<\/td><td class=\"has-text-align-left\" data-align=\"left\">150\u2013200 Bhn<\/td><td class=\"has-text-align-left\" data-align=\"left\">80<\/td><td class=\"has-text-align-left\" data-align=\"left\">60<\/td><td class=\"has-text-align-left\" data-align=\"left\">60<\/td><td class=\"has-text-align-left\" data-align=\"left\">40<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">200\u2013250 Bhn<\/td><td class=\"has-text-align-left\" data-align=\"left\">65<\/td><td class=\"has-text-align-left\" data-align=\"left\">50<\/td><td class=\"has-text-align-left\" data-align=\"left\">50<\/td><td class=\"has-text-align-left\" data-align=\"left\">30<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">325\u2013375 Bhn<\/td><td class=\"has-text-align-left\" data-align=\"left\">50<\/td><td class=\"has-text-align-left\" data-align=\"left\">30<\/td><td class=\"has-text-align-left\" data-align=\"left\">30<\/td><td class=\"has-text-align-left\" data-align=\"left\">20<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">48\u201350 HRC<\/td><td class=\"has-text-align-left\" data-align=\"left\">20<\/td><td class=\"has-text-align-left\" data-align=\"left\">n\/a<\/td><td class=\"has-text-align-left\" data-align=\"left\">n\/a<\/td><td class=\"has-text-align-left\" data-align=\"left\">n\/a<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">50\u201352 HRC<\/td><td class=\"has-text-align-left\" data-align=\"left\">10<\/td><td class=\"has-text-align-left\" data-align=\"left\">n\/a<\/td><td class=\"has-text-align-left\" data-align=\"left\">n\/a<\/td><td class=\"has-text-align-left\" data-align=\"left\">n\/a<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">52\u201356 HRC<\/td><td class=\"has-text-align-left\" data-align=\"left\">n\/a<\/td><td class=\"has-text-align-left\" data-align=\"left\">n\/a<\/td><td class=\"has-text-align-left\" data-align=\"left\">n\/a<\/td><td class=\"has-text-align-left\" data-align=\"left\">n\/a<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\" colspan=\"6\">Trabalho a quente, tipo tungst\u00eanio<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\" rowspan=\"2\"><a href=\"https:\/\/aobosteel.com\/pt\/h21-tool-steel\/\">H21<\/a>, H22, H23, H24, H25, H26<\/td><td class=\"has-text-align-left\" data-align=\"left\">150\u2013200 Bhn<\/td><td class=\"has-text-align-left\" data-align=\"left\">60<\/td><td class=\"has-text-align-left\" data-align=\"left\">55<\/td><td class=\"has-text-align-left\" data-align=\"left\">55<\/td><td class=\"has-text-align-left\" data-align=\"left\">35<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">200\u2013250 Bhn<\/td><td class=\"has-text-align-left\" data-align=\"left\">50<\/td><td class=\"has-text-align-left\" data-align=\"left\">45<\/td><td class=\"has-text-align-left\" data-align=\"left\">40<\/td><td class=\"has-text-align-left\" data-align=\"left\">25<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\" colspan=\"6\">Trabalho a quente, tipo molibd\u00eanio<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\" rowspan=\"2\">H41, H42, H43<\/td><td class=\"has-text-align-left\" data-align=\"left\">150\u2013200 Bhn<\/td><td class=\"has-text-align-left\" data-align=\"left\">55<\/td><td class=\"has-text-align-left\" data-align=\"left\">55<\/td><td class=\"has-text-align-left\" data-align=\"left\">45<\/td><td class=\"has-text-align-left\" data-align=\"left\">30<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">200\u2013250 Bhn<\/td><td class=\"has-text-align-left\" data-align=\"left\">45<\/td><td class=\"has-text-align-left\" data-align=\"left\">45<\/td><td class=\"has-text-align-left\" data-align=\"left\">35<\/td><td class=\"has-text-align-left\" data-align=\"left\">20<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\" colspan=\"6\">Baixa liga, finalidade especial<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">L2, L3, <a href=\"https:\/\/aobosteel.com\/pt\/l6-tool-steel\/\">L6<\/a><\/td><td class=\"has-text-align-left\" data-align=\"left\">150\u2013200 Bhn<\/td><td class=\"has-text-align-left\" data-align=\"left\">75<\/td><td class=\"has-text-align-left\" data-align=\"left\">65<\/td><td class=\"has-text-align-left\" data-align=\"left\">60<\/td><td class=\"has-text-align-left\" data-align=\"left\">40<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\" colspan=\"6\">Mold steels<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\" rowspan=\"2\">P2, P3, P4, P5, P6, P21, P26<\/td><td class=\"has-text-align-left\" data-align=\"left\">100\u2013150 Bhn<\/td><td class=\"has-text-align-left\" data-align=\"left\">90<\/td><td class=\"has-text-align-left\" data-align=\"left\">75<\/td><td class=\"has-text-align-left\" data-align=\"left\">75<\/td><td class=\"has-text-align-left\" data-align=\"left\">50<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">150\u2013200 Bhn<\/td><td class=\"has-text-align-left\" data-align=\"left\">80<\/td><td class=\"has-text-align-left\" data-align=\"left\">60<\/td><td class=\"has-text-align-left\" data-align=\"left\">60<\/td><td class=\"has-text-align-left\" data-align=\"left\">40<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\" colspan=\"6\">A\u00e7os r\u00e1pidos<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/pt\/m1-tool-steel-heat-treatment\/\">M1<\/a>, <a href=\"https:\/\/aobosteel.com\/pt\/m2-tool-steel\/\">M2<\/a>, M6, M10, T1, T2, T6<\/td><td class=\"has-text-align-left\" data-align=\"left\">200\u2013250 Bhn<\/td><td class=\"has-text-align-left\" data-align=\"left\">65<\/td><td class=\"has-text-align-left\" data-align=\"left\">50<\/td><td class=\"has-text-align-left\" data-align=\"left\">45<\/td><td class=\"has-text-align-left\" data-align=\"left\">30<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">M3-1, M4, <a href=\"https:\/\/aobosteel.com\/pt\/m7-tool-steel-heat-treatment\/\">M7<\/a>, M30, M33, M34, M36, M41, <a href=\"https:\/\/aobosteel.com\/pt\/m42-tool-steel\/\">M42<\/a>, M43, M44, M46, M47, T5, T8<\/td><td class=\"has-text-align-left\" data-align=\"left\">225\u2013275 Bhn<\/td><td class=\"has-text-align-left\" data-align=\"left\">55<\/td><td class=\"has-text-align-left\" data-align=\"left\">40<\/td><td class=\"has-text-align-left\" data-align=\"left\">35<\/td><td class=\"has-text-align-left\" data-align=\"left\">20<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">T15, M3-2<\/td><td class=\"has-text-align-left\" data-align=\"left\">225\u2013275 Bhn<\/td><td class=\"has-text-align-left\" data-align=\"left\">45<\/td><td class=\"has-text-align-left\" data-align=\"left\">30<\/td><td class=\"has-text-align-left\" data-align=\"left\">25<\/td><td class=\"has-text-align-left\" data-align=\"left\">15<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">O alargamento opera a cerca de dois ter\u00e7os da velocidade de fura\u00e7\u00e3o; a roscagem nesses graus \u00e9 feita na velocidade mais baixa de todas, conforme indicado na tabela de brocas para macho abaixo. n\/a significa que a fonte n\u00e3o fornece velocidade para essa condi\u00e7\u00e3o, pois essas durezas s\u00e3o trabalhadas por retifica\u00e7\u00e3o ou EDM.<\/p>\n\n\n\n<div class=\"wp-block-group has-background is-layout-constrained wp-container-core-group-is-layout-3e4fb3d2 wp-block-group-is-layout-constrained\" style=\"border-radius:8px;background-color:#f4f8ff;margin-bottom:24px;padding-top:20px;padding-right:24px;padding-bottom:20px;padding-left:24px\">\n<p class=\"wp-block-paragraph\"><strong>Ficha de velocidades de corte, PDF para impress\u00e3o<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Duas p\u00e1ginas A4 com velocidades de corte para as fam\u00edlias comuns de a\u00e7o para ferramentas, fatores de vida da ferramenta para torneamento, fresamento e fura\u00e7\u00e3o, e nossos dados de contato.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/09\/Aobo-Steel-Cutting-Speeds-for-Tool-Steels.pdf\">Baixar PDF, 455 KB<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Ajustando a velocidade para uma vida \u00fatil mais longa da ferramenta<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">As velocidades da tabela correspondem a uma vida da ferramenta: cerca de 15 minutos de corte para as tabelas de torneamento e cerca de 45 minutos para fresamento e fura\u00e7\u00e3o. Para trocar velocidade por uma vida mais longa, multiplique a velocidade tabelada pelo fator da vida desejada: a 45 minutos a velocidade de torneamento cai para cerca de quatro quintos, e a 180 minutos para cerca de dois ter\u00e7os. O fresamento perde velocidade mais r\u00e1pido, de modo que o mesmo ganho de vida custa cerca de metade da velocidade no fresamento frontal.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Turning, base 15 min\nmultiply the tabulated speed, carbide up to 300 Bhn\n\nsmall feed\n\nmedium feed\n\nlarge feed\n\n15\n\n45\n\n90\n\n180\n\n0.5\n\n0.6\n\n0.7\n\n0.8\n\n0.9\n\n1\n\n\ntool life, minutes (log scale)\nfactor from Table 5b, the factor table below\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\nMilling and drilling, base 45 min\nmultiply the tabulated speed, coated carbide\n\nface milling\n\nend milling\n\ndrilling\n\n15\n\n45\n\n90\n\n180\n\n0.5\n\n0.75\n\n1\n\n1.25\n\n1.5\n\n1.75\n\n\ntool life, minutes (log scale)\nfactor from Table 15e, the factor table below\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\nValues as printed in Machinery&#8217;s Handbook, Tables 5b and 15e, medium feed column. The lines are drawn through the four tabulated tool lives.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tabelas de fatores conforme impressas, todas as tr\u00eas colunas de avan\u00e7o mostradas; o gr\u00e1fico plota a coluna de avan\u00e7o m\u00e9dio.<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">Vida da ferramenta, min<\/th><th class=\"has-text-align-left\" data-align=\"left\">at\u00e9 300 Bhn: pequeno<\/th><th class=\"has-text-align-left\" data-align=\"left\">meio<\/th><th class=\"has-text-align-left\" data-align=\"left\">large<\/th><th class=\"has-text-align-left\" data-align=\"left\">acima de 300 Bhn: pequeno<\/th><th class=\"has-text-align-left\" data-align=\"left\">meio<\/th><th class=\"has-text-align-left\" data-align=\"left\">large<\/th><th class=\"has-text-align-left\" data-align=\"left\">cer\u00e2micas mistas: pequeno<\/th><th class=\"has-text-align-left\" data-align=\"left\">meio<\/th><th class=\"has-text-align-left\" data-align=\"left\">large<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\">15<\/td><td class=\"has-text-align-left\" data-align=\"left\">1.00<\/td><td class=\"has-text-align-left\" data-align=\"left\">1.00<\/td><td class=\"has-text-align-left\" data-align=\"left\">1.00<\/td><td class=\"has-text-align-left\" data-align=\"left\">1.00<\/td><td class=\"has-text-align-left\" data-align=\"left\">1.00<\/td><td class=\"has-text-align-left\" data-align=\"left\">1.00<\/td><td class=\"has-text-align-left\" data-align=\"left\">1.00<\/td><td class=\"has-text-align-left\" data-align=\"left\">1.00<\/td><td class=\"has-text-align-left\" data-align=\"left\">1.00<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">45<\/td><td class=\"has-text-align-left\" data-align=\"left\">0.86<\/td><td class=\"has-text-align-left\" data-align=\"left\">0.81<\/td><td class=\"has-text-align-left\" data-align=\"left\">0.76<\/td><td class=\"has-text-align-left\" data-align=\"left\">0.80<\/td><td class=\"has-text-align-left\" data-align=\"left\">0.75<\/td><td class=\"has-text-align-left\" data-align=\"left\">0.70<\/td><td class=\"has-text-align-left\" data-align=\"left\">0.89<\/td><td class=\"has-text-align-left\" data-align=\"left\">0.87<\/td><td class=\"has-text-align-left\" data-align=\"left\">0.84<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">90<\/td><td class=\"has-text-align-left\" data-align=\"left\">0.78<\/td><td class=\"has-text-align-left\" data-align=\"left\">0.71<\/td><td class=\"has-text-align-left\" data-align=\"left\">0.64<\/td><td class=\"has-text-align-left\" data-align=\"left\">0.70<\/td><td class=\"has-text-align-left\" data-align=\"left\">0.63<\/td><td class=\"has-text-align-left\" data-align=\"left\">0.56<\/td><td class=\"has-text-align-left\" data-align=\"left\">0.82<\/td><td class=\"has-text-align-left\" data-align=\"left\">0.79<\/td><td class=\"has-text-align-left\" data-align=\"left\">0.75<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">180<\/td><td class=\"has-text-align-left\" data-align=\"left\">0.71<\/td><td class=\"has-text-align-left\" data-align=\"left\">0.63<\/td><td class=\"has-text-align-left\" data-align=\"left\">0.54<\/td><td class=\"has-text-align-left\" data-align=\"left\">0.61<\/td><td class=\"has-text-align-left\" data-align=\"left\">0.53<\/td><td class=\"has-text-align-left\" data-align=\"left\">0.45<\/td><td class=\"has-text-align-left\" data-align=\"left\">0.76<\/td><td class=\"has-text-align-left\" data-align=\"left\">0.72<\/td><td class=\"has-text-align-left\" data-align=\"left\">0.67<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Fatores de vida da ferramenta para torneamento, Tabela 5b. A velocidade base \u00e9 a velocidade de torneamento tabelada para o grau (vida da ferramenta de 15 minutos), portanto o fator a 45 minutos, 0,81, deve ser lido como 81 por cento da velocidade tabelada.<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">Vida da ferramenta, min<\/th><th class=\"has-text-align-left\" data-align=\"left\">fresamento frontal: pequeno<\/th><th class=\"has-text-align-left\" data-align=\"left\">meio<\/th><th class=\"has-text-align-left\" data-align=\"left\">large<\/th><th class=\"has-text-align-left\" data-align=\"left\">fresamento de topo: pequeno<\/th><th class=\"has-text-align-left\" data-align=\"left\">meio<\/th><th class=\"has-text-align-left\" data-align=\"left\">large<\/th><th class=\"has-text-align-left\" data-align=\"left\">perfura\u00e7\u00e3o: pequeno<\/th><th class=\"has-text-align-left\" data-align=\"left\">meio<\/th><th class=\"has-text-align-left\" data-align=\"left\">large<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\">15<\/td><td class=\"has-text-align-left\" data-align=\"left\">1.69<\/td><td class=\"has-text-align-left\" data-align=\"left\">1.78<\/td><td class=\"has-text-align-left\" data-align=\"left\">1.87<\/td><td class=\"has-text-align-left\" data-align=\"left\">1.10<\/td><td class=\"has-text-align-left\" data-align=\"left\">1.23<\/td><td class=\"has-text-align-left\" data-align=\"left\">1.35<\/td><td class=\"has-text-align-left\" data-align=\"left\">1.11<\/td><td class=\"has-text-align-left\" data-align=\"left\">1.21<\/td><td class=\"has-text-align-left\" data-align=\"left\">1.30<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">45<\/td><td class=\"has-text-align-left\" data-align=\"left\">1.00<\/td><td class=\"has-text-align-left\" data-align=\"left\">1.00<\/td><td class=\"has-text-align-left\" data-align=\"left\">1.00<\/td><td class=\"has-text-align-left\" data-align=\"left\">1.00<\/td><td class=\"has-text-align-left\" data-align=\"left\">1.00<\/td><td class=\"has-text-align-left\" data-align=\"left\">1.00<\/td><td class=\"has-text-align-left\" data-align=\"left\">1.00<\/td><td class=\"has-text-align-left\" data-align=\"left\">1.00<\/td><td class=\"has-text-align-left\" data-align=\"left\">1.00<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">90<\/td><td class=\"has-text-align-left\" data-align=\"left\">0.72<\/td><td class=\"has-text-align-left\" data-align=\"left\">0.70<\/td><td class=\"has-text-align-left\" data-align=\"left\">0.67<\/td><td class=\"has-text-align-left\" data-align=\"left\">0.94<\/td><td class=\"has-text-align-left\" data-align=\"left\">0.89<\/td><td class=\"has-text-align-left\" data-align=\"left\">0.83<\/td><td class=\"has-text-align-left\" data-align=\"left\">0.93<\/td><td class=\"has-text-align-left\" data-align=\"left\">0.89<\/td><td class=\"has-text-align-left\" data-align=\"left\">0.85<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">180<\/td><td class=\"has-text-align-left\" data-align=\"left\">0.51<\/td><td class=\"has-text-align-left\" data-align=\"left\">0.48<\/td><td class=\"has-text-align-left\" data-align=\"left\">0.45<\/td><td class=\"has-text-align-left\" data-align=\"left\">0.69<\/td><td class=\"has-text-align-left\" data-align=\"left\">0.69<\/td><td class=\"has-text-align-left\" data-align=\"left\">0.69<\/td><td class=\"has-text-align-left\" data-align=\"left\">0.87<\/td><td class=\"has-text-align-left\" data-align=\"left\">0.80<\/td><td class=\"has-text-align-left\" data-align=\"left\">0.72<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Fatores de vida da ferramenta para fresamento e fura\u00e7\u00e3o, Tabela 15e. Aqui, a velocidade base \u00e9 a velocidade tabelada para a opera\u00e7\u00e3o (vida da ferramenta de 45 minutos), portanto o fator a 180 minutos (0,48 para fresamento frontal) \u00e9 a velocidade que voc\u00ea deve usar para atingir essa vida.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>As velocidades de torneamento para ferramentas de a\u00e7o r\u00e1pido assumem um avan\u00e7o de 0,012 in.\/rev e uma profundidade de corte de 0,125 in. Para outros avan\u00e7os e profundidades, a fonte inclui uma tabela de fatores adicional, Tabela 5c.<\/li>\n\n\n\n<li>As velocidades de fresamento s\u00e3o baseadas em uma vida da ferramenta de cerca de 45 minutos para todos os valores tabelados; os dados de fresamento de topo assumem uma fresa de 3 dentes de 1 polegada de di\u00e2metro, e os dados de fresamento frontal uma fresa frontal de 10 dentes e 8 polegadas. Ajuste para outros avan\u00e7os e profundidades de fresa com as Tabelas 15b e 15c.<\/li>\n\n\n\n<li>As velocidades de perfura\u00e7\u00e3o e alargamento tamb\u00e9m t\u00eam uma vida da ferramenta de cerca de 45 minutos. Para outros <a href=\"https:\/\/aobosteel.com\/pt\/drill-speeds-and-feeds-chart\/\">di\u00e2metros de broca e avan\u00e7os<\/a>, a fonte ajusta a velocidade de fura\u00e7\u00e3o usando os fatores de di\u00e2metro da Tabela 22 e a vida de brocas, alargadores e machos na Tabela 15e, conforme tabelado acima.<\/li>\n\n\n\n<li>O Handbook combina cada coluna de velocidade com um avan\u00e7o \u00f3timo para o corte, em conjuntos combinados de avan\u00e7o e velocidade dados como fra\u00e7\u00f5es tais como 16\/50, avan\u00e7o sobre velocidade. Esta p\u00e1gina traz as colunas de velocidade tradicionais; para os conjuntos combinados use as tabelas de origem diretamente.<\/li>\n\n\n\n<li>O roscamento opera na velocidade mais baixa de todas essas opera\u00e7\u00f5es porque o macho est\u00e1 totalmente engajado no corte. Os tamanhos de broca para macho para roscas UNC, UNF e m\u00e9tricas est\u00e3o em\u00a0<a href=\"https:\/\/aobosteel.com\/pt\/tap-drill-size-chart\/\">tabela de tamanhos de broca de rosca<\/a>, e o acabamento que cada opera\u00e7\u00e3o deixa est\u00e1 em <a href=\"https:\/\/aobosteel.com\/pt\/surface-roughness-chart\/\">tabela de rugosidade superficial<\/a>.<\/li>\n\n\n\n<li>Usine o a\u00e7o conforme recebido da usina: as velocidades mudam com a condi\u00e7\u00e3o do material. O <a href=\"https:\/\/aobosteel.com\/pt\/tool-steel-machinability-rating-chart\/\">\u00edndices de usinabilidade<\/a> compare os graus em rela\u00e7\u00e3o a uma linha de base de 100 por cento, e o <a href=\"https:\/\/aobosteel.com\/pt\/tool-steel-machining-allowance-chart\/\">Tabela de sobremetal para usinagem<\/a> cobre o sobremetal deixado para os cortes de acabamento. Grau por grau, o <a href=\"https:\/\/aobosteel.com\/pt\/tool-steel-properties-chart\/\">tabela de propriedades<\/a> lista a dureza na qual cada fam\u00edlia \u00e9 fornecida.<\/li>\n<\/ul>\n\n\n\n<h3 id=\"h-using-the-speeds\" class=\"wp-block-heading\">Usando as velocidades<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Uma velocidade de tabela \u00e9 um valor inicial. Execute-a, observe o cavaco e o acabamento, e siga a partir da\u00ed: uma m\u00e1quina mais pesada e r\u00edgida pode usar velocidade mais alta, e suportes desgastados, se\u00e7\u00f5es finas e grandes balan\u00e7os geralmente exigem reduzir a velocidade da tabela.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Quanto maior a vida da ferramenta exigida para o corte, menor a velocidade que a atinge, e o gr\u00e1fico acima relaciona as duas em vez de uma porcentagem fixa. Veja a nota abaixo sobre o que esses ajustes dizem sobre as classes de a\u00e7o para ferramentas.<\/p>\n\n\n\n<h3 id=\"h-related-reference-pages\" class=\"wp-block-heading\">P\u00e1ginas de refer\u00eancia relacionadas<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/aobosteel.com\/pt\/d2-tool-steel-machining-guide\/\">Guia de usinagem do a\u00e7o ferramenta D2<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/aobosteel.com\/pt\/h13-tool-steel-machinability\/\">Usinabilidade do a\u00e7o ferramenta H13<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/aobosteel.com\/pt\/selection-guide-high-speed-steel-hss-cutting-tools\/\">Guia de sele\u00e7\u00e3o para ferramentas de corte de a\u00e7o r\u00e1pido<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/aobosteel.com\/pt\/tapping-tool-steel-by-hardness\/\">Roscamento de a\u00e7o para ferramentas por dureza<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/aobosteel.com\/pt\/drilling-hardened-tool-steel\/\">Perfura\u00e7\u00e3o de A\u00e7o Ferramenta Endurecido<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/aobosteel.com\/pt\/tool-steel-band-sawing-speeds\/\">Velocidades de serragem de fita para a\u00e7o para ferramentas<\/a><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Fonte: Machinery&#8217;s Handbook 28\u00aa Edi\u00e7\u00e3o (Industrial Press), se\u00e7\u00e3o Velocidades e Avan\u00e7os: colunas tradicionais de velocidade HSS das tabelas de torneamento (Tabelas 1 a 9), das tabelas de fresamento (Tabelas 10 a 14) e das tabelas de fura\u00e7\u00e3o e alargamento (Tabelas 17 a 23), com os fatores de ajuste de vida da ferramenta da Tabela 5b e da Tabela 15e. As velocidades est\u00e3o em p\u00e9s por minuto (fpm).<\/p>","protected":false},"excerpt":{"rendered":"<p>Cutting Speeds for Tool Steels High-speed steel cutting speeds for tool steel grades, by hardness, for turning, milling, drilling, and reaming, with factors that trade speed for tool life. Speeds are in feet per minute (fpm), as published in the Handbook speed and feed tables. High speed steel cutting speeds by grade A working set [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_uag_custom_page_level_css":"","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":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","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":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-18379","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO 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