Transcript
EIXO,,CHAVETA,,CANALETA,,,,,,,,,,,,,,,,
DIÂMETRO d,,SECÇÃO,,LARGURA,,,,,,,,,,,PROFUNDIDADE,,,,,
,,,,NOMINAL,AFASTAMENTOS,,,,,,,,,,,,,,,
,,,,,AJUSTE COM FOLGA NO,,,,AJUSTE NORMAL NO,,,,AJUSTE C/ INTERFERENCIA,,EIXO t1,,,CUBO t2,,
,,,,,EIXO H9,,CUBO D10,,EIXO N9,,CUBO JS9,,NO EIXO NO CUBO P9,,,,,,,
de,até,b,h,,AFAST. SUP.,AFAST. INF.,AFAST. SUP.,AFAST. INF.,AFAST. SUP.,AFAST. INF.,AFAST. SUP.,AFAST. INF.,AFAST. SUP.,AFAST. INF.,NOMINAL,AFAST. SUP.,AFAST. INF.,NOMINAL,AFAST. SUP.,AFAST. INF.
6,8,2,2,2,+ 0.025,0,+ 0.060,+ 0.020,- -0.004,- -0.029,+ 0.012,- -0.013,- -0.006,- -0.031,1.2,+ 0.1,0,1.0,+ 0.1,0
8,10,3,3,3,+ 0.025,0,+ 0.060,+ 0.020,- -0.004,- -0.029,+ 0.012,- -0.013,- -0.006,- -0.031,1.8,+ 0.1,0,1.4,+ 0.1,0
10,12,4,4,4,+ 0.030,0,+ 0.078,+ 0.030,0,- -0.030,+ 0.015,- -0.015,- -0.012,- -0.042,2.5,+ 0.1,0,1.8,+ 0.1,0
12,17,5,5,5,+ 0.030,0,+ 0.078,+ 0.030,0,- -0.030,+ 0.015,- -0.015,- -0.012,- -0.042,3.0,+ 0.1,0,2.3,+ 0.1,0
17,22,6,6,6,+ 0.030,0,+ 0.078,+ 0.030,0,- -0.030,+ 0.015,- -0.015,- -0.012,- -0.042,3.5,+ 0.1,0,2.8,+ 0.1,0
22,30,8,7,8,+ 0.036,0,+ 0.098,+ 0.040,0,- -0.036,+ 0.018,- -0.018,- -0.015,- -0.051,4.0,+ 0.2,0,3.3,+ 0.2,0
30,38,10,8,10,+ 0.036,0,+ 0.098,+ 0.040,0,- -0.036,+ 0.018,- -0.018,- -0.015,- -0.051,5.0,+ 0.2,0,3.3,+ 0.2,0
38,44,12,8,12,+ 0.043,0,+ 0.120,+ 0.050,0,- -0.043,+ 0.021,- -0.022,- -0.018,- -0.061,5.0,+ 0.2,0,3.3,+ 0.2,0
44,50,14,9,14,+ 0.043,0,+ 0.120,+ 0.050,0,- -0.043,+ 0.021,- -0.022,- -0.018,- -0.061,5.5,+ 0.2,0,3.8,+ 0.2,0
50,58,16,10,16,+ 0.043,0,+ 0.120,+ 0.050,0,- -0.043,+ 0.021,- -0.022,- -0.018,- -0.061,6.0,+ 0.2,0,4.3,+ 0.2,0
58,65,18,11,18,+ 0.043,0,+ 0.120,+ 0.050,0,- -0.043,+ 0.021,- -0.022,- -0.018,- -0.061,7.0,+ 0.2,0,4.4,+ 0.2,0
65,75,20,12,20,+ 0.052,0,+ 0.149,+ 0.065,0,- -0.052,+ 0.026,- -0.026,- -0.022,- -0.074,7.5,+ 0.2,0,4.9,+ 0.2,0
75,85,22,14,22,+ 0.052,0,+ 0.149,+ 0.065,0,- -0.052,+ 0.026,- -0.026,- -0.022,- -0.074,9.0,+ 0.2,0,5.4,+ 0.2,0
85,95,25,14,25,+ 0.052,0,+ 0.149,+ 0.065,0,- -0.052,+ 0.026,- -0.026,- -0.022,- -0.074,9.0,+ 0.2,0,5.4,+ 0.2,0
95,110,28,16,28,+ 0.052,0,+ 0.149,+ 0.065,0,- -0.052,+ 0.026,- -0.026,- -0.022,- -0.074,10.0,+ 0.2,0,6.4,+ 0.2,0
110,130,32,18,32,+ 0.062,0,+ 0.180,+ 0.080,0,- -0.062,+ 0.031,- -0.031,- -0.026,- -0.088,11.0,+ 0.2,0,7.4,+ 0.2,0
130,150,36,20,36,+ 0.062,0,+ 0.180,+ 0.080,0,- -0.062,+ 0.031,- -0.031,- -0.026,- -0.088,12.0,+ 0.3,0,8.4,+ 0.3,0
150,170,40,22,40,+ 0.062,0,+ 0.180,+ 0.080,0,- -0.062,+ 0.031,- -0.031,- -0.026,- -0.088,13.0,+ 0.3,0,9.4,+ 0.3,0
170,200,45,25,45,+ 0.062,0,+ 0.180,+ 0.080,0,- -0.062,+ 0.031,- -0.031,- -0.026,- -0.088,15.0,+ 0.3,0,10.5,+ 0.3,0
200,230,50,28,50,+ 0.062,0,+ 0.180,+ 0.080,0,- -0.062,+ 0.031,- -0.031,- -0.026,- -0.088,17.0,+ 0.3,0,11.4,+ 0.3,0
230,260,56,32,56,+ 0.074,0,+ 0.220,+ 0.100,0,- -0.074,+ 0.037,- -0.037,- -0.032,- -0.106,20.0,+ 0.3,0,12.4,+ 0.3,0
260,290,63,32,63,+ 0.074,0,+ 0.220,+ 0.100,0,- -0.074,+ 0.037,- -0.037,- -0.032,- -0.106,20.0,+ 0.3,0,12.4,+ 0.3,0
290,330,70,36,70,+ 0.074,0,+ 0.220,+ 0.100,0,- -0.074,+ 0.037,- -0.037,- -0.032,- -0.106,22.0,+ 0.3,0,14.4,+ 0.3,0
330,380,80,40,80,+ 0.074,0,+ 0.220,+ 0.100,0,- -0.074,+ 0.037,- -0.037,- -0.032,- -0.106,25.0,+ 0.3,0,15.4,+ 0.3,0
380,440,90,45,90,+ 0.087,0,+ 0.260,+ 0.120,0,- -0.087,+ 0.043,- -0.044,- -0.037,- -0.124,28.0,+ 0.3,0,17.4,+ 0.3,0
440,500,100,50,100,+ 0.087,0,+ 0.260,+ 0.120,0,- -0.087,+ 0.043,- -0.044,- -0.037,- -0.124,31.0,+ 0.3,0,19.5,+ 0.3,0
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,B',100,,,,,,,,,,,,,,,,,,
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C H A V E T A S P A R A L E L A S R E T A N G U L A R E S O U Q U A D R A D A S,,,,,,,,,,,,,,,,
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,Fonte:,Projetista de Máquinas - PROTEC,,,,,Para informações mais completas,,,,,,,,,
,,1976,,,,,consultar P - P B - 1 2 2 (ABNT),,,,,,,,,
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DADOS :,,,,,,,,,,,,,,,,
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,Diâmetro do Eixo :,11,,Ajustes:,,,,( * ) Todas as medidas em mm,,,,,,,,
,,,,=>,no eixo :,,,,,,,,,,,
,,,,=>,no cubo :,,,,,,Ajuste,Eixo,Cubo,,,
,,,,=>,na chaveta :,,,,,,,,,,,
,,,,,,,,,,,com folga,H9,D10,,,
,,,,,,,,,,,normal,N9,JS9,,,
DIMENSÕES :,,,,,,,,,,,com interferência,P9,P9,,,
,,,,,,,,,,,3,N9,JS9,,,
DIÂMETRO : 11,,AJUSTE EIXO : ,,,CHAVETA :,,,AJUSTE EIXO : N9,,,,,,,,
,,AJUSTE CUBO : ,,,,,,AJUSTE CUBO : JS9,,,,,,,,
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,,,,,,,,,,,,c8,Não utilizar chaveta,,FALSE,
Secção b x h,,,b',Afastamentos,,,t1,t2,Afastamentos,,b',4.000,4,FALSE,FALSE,FALSE
4 x 4,,,4,,EIXO,CUBO,2.500,1.800,,,,FALSE,,,,
,,,,Superior,0,0.015,,,Superior,0.100,,,,,,
,,,,Inferior,-0.03,-0.015,,,Inferior,0.000,h,4.000,,,,
,,,,,,,,,,,b,4.000,,,,
,,,,,,,,,,,,com folga,normal,com interf.,,
,,,,,,,"+0,015",,,,Eixo Sup,0.030,0.000,-0.012,0,
,,,,,,,-0.015,,,,Eixo Inf,0.000,-0.030,-0.042,-0.03,
,,,,,,"+0,1",4,,,,Cubo Sup,0.078,0.015,-0.012,0.015,
,,+0,,"+0,1",1.800,+0,,,,,Cubo Inf,0.030,-0.015,-0.042,-0.015,
,4,-0.03,2.500,+0,,,,,,,t1,2.500,,,,
,,,,,,,,,,,t2,1.800,,,,
,,,,,,,,,,,sup,0.100,,,,
,,,,,,,,,,,inf,0.000,,,,
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,,,,,,,,,12.800,,,,,,,
,,,8.500,,,,,,,,,,,,,
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,11 ,,,,,,,,,,,,,,,
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,1 - A relação entre o diâmetro do eixo e da secção da chaveta aplica-se para uso normal. Uma secção menor de,,,,,,,,,,,,,,,
, chaveta pode ser usada quando é adequada para o momento de força transmitido. Neste caso as profundida-,,,,,,,,,,,,,,,
," des t1 e t2 devem ser recalculadas, para manter a relação h/2. Uma secção maior da chaveta não deve ser",,,,,,,,,,,,,,,
, usada.,,,,,,,,,,,,,,,
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,2 - A profundidade das canaletas nos eixos e nos cubos deve ser obtida por medição direta ou por medição das,,,,,,,,,,,,,,,
, dimensões (d - t1) e (d + t2).,,,,,,,,,,,,,,,
, A tolerância indicada para t1 e t2 adapta-se às dimensões compostas (d - t1) e (d + t2) mas o sinal da tolerân,,,,,,,,,,,,,,,
, cia indicado na tabela para t1 deve ser invertido. A profundidade das canaletas deve ser medida no plano de,,,,,,,,,,,,,,,
, simetria da canaleta.,,,,,,,,,,,,,,,
," A tolerância para t1 e t2 é aproximadamente igual à tolerância k12, que pode ser obtida considerando a espes",,,,,,,,,,,,,,,
, -sura h/2 da chaveta como dimensão nominal.,,,,,,,,,,,,,,,
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