{"id":5764,"date":"2025-12-24T05:24:46","date_gmt":"2025-12-24T05:24:46","guid":{"rendered":"https:\/\/korea-transmission.com\/?p=5764"},"modified":"2025-12-24T05:24:46","modified_gmt":"2025-12-24T05:24:46","slug":"shaft-hole-fit-tolerance-chart-guide","status":"publish","type":"post","link":"https:\/\/korea-transmission.com\/pt\/blog\/shaft-hole-fit-tolerance-chart-guide\/","title":{"rendered":"Guia de tabela de toler\u00e2ncia de ajuste do furo do eixo"},"content":{"rendered":"
\n

Introdu\u00e7\u00e3o \u00e0 toler\u00e2ncia de ajuste do furo do eixo<\/h2>\n

As toler\u00e2ncias de encaixe do eixo e do furo garantem o acoplamento preciso dos componentes, essencial para o funcionamento das m\u00e1quinas. Baseadas nas normas ISO 286-1:2010 e JIS B 0401-1:2016, estas tabelas definem os limites para folgas, ajustes de transi\u00e7\u00e3o e ajustes com interfer\u00eancia para dimens\u00f5es b\u00e1sicas de at\u00e9 500 mm. A aplica\u00e7\u00e3o correta minimiza problemas de montagem e melhora o desempenho.<\/p>\n

Orienta\u00e7\u00f5es importantes: Selecione as classes de a\u00e7o com base no tipo de ajuste \u2014 por exemplo, H para eixos em ajustes cont\u00ednuos, H para furos. Toler\u00e2ncias em \u03bcm; considere as capacidades de fabrica\u00e7\u00e3o e as condi\u00e7\u00f5es operacionais, como a temperatura, para obter resultados ideais.<\/p>\n<\/div>\n

\n

Exemplos de consulta<\/h2>\n

Os exemplos demonstram o uso de tabelas para intervalos de dimens\u00f5es:<\/p>\n

Eixo: \u220510 h9<\/h3>\n

Tamanho b\u00e1sico 10 mm, grau h9: Limites +0 \/ -36 \u03bcm. Faixa de medi\u00e7\u00e3o: 9,964 mm a 10 mm. Adequado para ajustes folgados.<\/p>\n

Furo: \u220510 H7<\/h3>\n

Di\u00e2metro b\u00e1sico de 10 mm, grau H7: Limites +15 \/ 0 \u03bcm. Faixa de medi\u00e7\u00e3o: 10 mm a 10,015 mm. Ideal para aplica\u00e7\u00f5es com folga m\u00ednima.<\/p>\n<\/div>\n

\n

Tabela de Toler\u00e2ncia do Eixo<\/h2>\n

A tabela fornece os limites superior e inferior (\u03bcm) para classes de eixos em diferentes faixas de tamanho. Linha superior: limite superior; linha inferior: limite inferior. Utilize para o projeto preciso de eixos em montagens.<\/p>\n

\n\n\n\n\n\n\n\n\n\n
Dimens\u00f5es b\u00e1sicas (mm)<\/th>\nb9<\/th>\nc9<\/th>\nd8<\/th>\nd9<\/th>\ne7<\/th>\ne8<\/th>\ne9<\/th>\nf6<\/th>\nf7<\/th>\nf8<\/th>\ng5<\/th>\ng6<\/th>\nh5<\/th>\nh6<\/th>\nh7<\/th>\nh8<\/th>\nh9<\/th>\njs5<\/th>\njs6<\/th>\njs7<\/th>\nk5<\/th>\nk6<\/th>\nm5<\/th>\nm6<\/th>\nn6<\/th>\np6<\/th>\nr6<\/th>\ns6<\/th>\nt6<\/th>\nu6<\/th>\nx6<\/th>\n<\/tr>\n
><\/th>\n\u2264<\/th>\nGraus de toler\u00e2ncia do eixo (\u03bcm)<\/th>\n<\/tr>\n<\/thead>\n
–<\/td>\n3<\/td>\n-140
\n-165<\/td>\n		-60
\n-85<\/td>\n		-20
\n-34<\/td>\n		-20
\n-45<\/td>\n		-14
\n-24<\/td>\n		-14
\n-28<\/td>\n		-14
\n-39<\/td>\n		-6
\n-12<\/td>\n		-6
\n-16<\/td>\n		-6
\n-20<\/td>\n		-2
\n-6<\/td>\n		-2
\n-8<\/td>\n		0
\n-4<\/td>\n		0
\n-6<\/td>\n		0
\n-10<\/td>\n		0
\n-14<\/td>\n		0
\n-25<\/td>\n		\u00b12<\/td>\n\u00b13<\/td>\n\u00b15<\/td>\n+4
\n0<\/td>\n		+6
\n0<\/td>\n		+6
\n+2<\/td>\n		+8
\n+2<\/td>\n		+10
\n+4<\/td>\n		+12
\n+6<\/td>\n		+16
\n+10<\/td>\n		+20
\n+14<\/td>\n		–<\/td>\n+24
\n+18<\/td>\n		+26
\n+20<\/td>\n<\/tr>\n
3<\/td>\n6<\/td>\n-140
\n-170<\/td>\n		-70
\n-100<\/td>\n		-30
\n-48<\/td>\n		-30
\n-60<\/td>\n		-20
\n-32<\/td>\n		-20
\n-38<\/td>\n		-20
\n-50<\/td>\n		-10
\n-18<\/td>\n		-10
\n-22<\/td>\n		-10
\n-28<\/td>\n		-4
\n-9<\/td>\n		-4
\n-12<\/td>\n		0
\n-5<\/td>\n		0
\n-8<\/td>\n		0
\n-12<\/td>\n		0
\n-18<\/td>\n		0
\n-30<\/td>\n		\u00b12,5<\/td>\n\u00b14<\/td>\n+6
\n+1<\/td>\n		+9
\n+1<\/td>\n		+9
\n+4<\/td>\n		+12
\n+4<\/td>\n		+16
\n+8<\/td>\n		+20
\n+12<\/td>\n		+23
\n+15<\/td>\n		+27
\n+19<\/td>\n		–<\/td>\n+31
\n+23<\/td>\n		+36
\n+28<\/td>\n<\/tr>\n
6<\/td>\n10<\/td>\n-150
\n-186<\/td>\n		-80
\n-116<\/td>\n		-40
\n-62<\/td>\n		-40
\n-76<\/td>\n		-25
\n-40<\/td>\n		-25
\n-47<\/td>\n		-25
\n-61<\/td>\n		-13
\n-22<\/td>\n		-13
\n-28<\/td>\n		-13
\n-35<\/td>\n		-5
\n-11<\/td>\n		-5
\n-14<\/td>\n		0
\n-6<\/td>\n		0
\n-9<\/td>\n		0
\n-15<\/td>\n		0
\n-22<\/td>\n		0
\n-36<\/td>\n		\u00b13<\/td>\n\u00b14,5<\/td>\n+7
\n+1<\/td>\n		+10
\n+1<\/td>\n		+12
\n+6<\/td>\n		+15
\n+6<\/td>\n		+19
\n+10<\/td>\n		+24
\n+15<\/td>\n		+28
\n+19<\/td>\n		+32
\n+23<\/td>\n		–<\/td>\n+37
\n+28<\/td>\n		+43
\n+34<\/td>\n<\/tr>\n
10<\/td>\n18<\/td>\n-150
\n-193<\/td>\n		-95
\n-138<\/td>\n		-50
\n-77<\/td>\n		-50
\n-93<\/td>\n		-32
\n-50<\/td>\n		-32
\n-59<\/td>\n		-32
\n-75<\/td>\n		-16
\n-27<\/td>\n		-16
\n-34<\/td>\n		-16
\n-43<\/td>\n		-6
\n-14<\/td>\n		-6
\n-17<\/td>\n		0
\n-8<\/td>\n		0
\n-11<\/td>\n		0
\n-18<\/td>\n		0
\n-27<\/td>\n		0
\n-43<\/td>\n		\u00b14<\/td>\n\u00b15,5<\/td>\n+9
\n+1<\/td>\n		+12
\n+1<\/td>\n		+15
\n+7<\/td>\n		+18
\n+7<\/td>\n		+23
\n+12<\/td>\n		+29
\n+18<\/td>\n		+34
\n+23<\/td>\n		+39
\n+28<\/td>\n		–<\/td>\n+44
\n+33<\/td>\n		+51
\n+40<\/td>\n<\/tr>\n

<\/tbody>\n<\/table>\n<\/div>\n

Nota: O valor superior representa o limite superior e o valor inferior, o limite inferior. Para obter dados completos, consulte as normas.<\/p>\n<\/div>\n

\n

Perguntas frequentes<\/h2>\n
    \n
  1. Como selecionar o grau de toler\u00e2ncia para um ajuste de corrida?<\/strong>
    \nEscolha h6 ou h7 para eixos com furos H7 para uma rota\u00e7\u00e3o suave; ajuste de acordo com a velocidade e a carga para minimizar a folga.<\/li>\n
  2. Qual a diferen\u00e7a entre ISO 286 e JIS B 0401?<\/strong>
    \nAmbas s\u00e3o harmonizadas; a JIS est\u00e1 alinhada com a ISO para compatibilidade internacional, mas verifique as edi\u00e7\u00f5es espec\u00edficas para pequenas varia\u00e7\u00f5es.<\/li>\n
  3. Por que as toler\u00e2ncias s\u00e3o em \u03bcm?<\/strong>
    \nMicr\u00f4metros oferecem precis\u00e3o para pequenas varia\u00e7\u00f5es; para usinagem pr\u00e1tica, converta para mil\u00edmetros dividindo por 1000.<\/li>\n
  4. Como as mudan\u00e7as de temperatura afetam os ajustes?<\/strong>
    \nA expans\u00e3o t\u00e9rmica pode alterar as folgas; utilize materiais com coeficientes semelhantes ou ajuste as toler\u00e2ncias para as temperaturas de opera\u00e7\u00e3o.<\/li>\n
  5. E se o tamanho b\u00e1sico estiver dentro de certos intervalos?<\/strong>
    \nInterpole ou utilize o intervalo mais pr\u00f3ximo; para maior precis\u00e3o, consulte tabelas padr\u00e3o completas ou ferramentas de software.<\/li>\n<\/ol>\n<\/div>\n

     <\/p>","protected":false},"excerpt":{"rendered":"

    Introduction to Shaft Hole Fit Tolerance Shaft and hole fit tolerances ensure precise mating of components, critical for functionality in machinery. Based on ISO 286-1:2010 and JIS B 0401-1:2016, these tables define limits for clearance, transition, and interference fits up to 500 mm basic sizes. Proper application minimizes assembly issues and enhances performance. Key guidance: […]<\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[220],"tags":[],"class_list":["post-5764","post","type-post","status-publish","format-standard","hentry","category-technical-documentation-and-references"],"_links":{"self":[{"href":"https:\/\/korea-transmission.com\/pt\/wp-json\/wp\/v2\/posts\/5764","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/korea-transmission.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/korea-transmission.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/korea-transmission.com\/pt\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/korea-transmission.com\/pt\/wp-json\/wp\/v2\/comments?post=5764"}],"version-history":[{"count":2,"href":"https:\/\/korea-transmission.com\/pt\/wp-json\/wp\/v2\/posts\/5764\/revisions"}],"predecessor-version":[{"id":5766,"href":"https:\/\/korea-transmission.com\/pt\/wp-json\/wp\/v2\/posts\/5764\/revisions\/5766"}],"wp:attachment":[{"href":"https:\/\/korea-transmission.com\/pt\/wp-json\/wp\/v2\/media?parent=5764"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/korea-transmission.com\/pt\/wp-json\/wp\/v2\/categories?post=5764"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/korea-transmission.com\/pt\/wp-json\/wp\/v2\/tags?post=5764"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}