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fundamentos para o projeto de componentes de máquinas

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Plano Horizontal<br />

Figura 5 – Forças cisalhantes, diagrama <strong>de</strong><br />

momento fletor no plano horizontal<br />

ΣM<br />

A<br />

600.<br />

R<br />

RB H<br />

ΣF<br />

R<br />

y<br />

A H<br />

RA H<br />

= 0<br />

B H<br />

= 1078.<br />

100 −1887.<br />

500<br />

= −1393N<br />

= 0<br />

+ R<br />

BH<br />

= 584<br />

Cálculo do diâmetro consi<strong>de</strong>rando cargas estáticas<br />

TMTC<br />

d<br />

⎡ 32.<br />

n<br />

⎢ .(<br />

⎣π<br />

. Sy<br />

2 2<br />

= M + T<br />

)<br />

1<br />

2<br />

⎤<br />

⎥<br />

⎦<br />

1<br />

3<br />

= 1087 −1887<br />

N<br />

M M M + =<br />

M<br />

2 2<br />

max H V<br />

max<br />

=<br />

2<br />

63700 +<br />

M max 153.<br />

174N.<br />

mm<br />

=<br />

d<br />

⎡32.<br />

1,<br />

8<br />

2<br />

.( 153174<br />

1<br />

1 ⎤ 3<br />

2 2 66030 ) → d = 16,<br />

95mm<br />

= ⎢<br />

⎣π<br />

. 630<br />

TED<br />

d<br />

⎡16.<br />

n<br />

⎢<br />

⎣π<br />

. Sy<br />

+<br />

2 2<br />

= .( 4.<br />

M + 3.<br />

T<br />

)<br />

1<br />

2<br />

⎤<br />

⎥<br />

⎦<br />

1<br />

3<br />

⎥<br />

⎦<br />

→ d = 16,<br />

99mm<br />

Cálculo do diâmetro consi<strong>de</strong>rando carregamento dinâmico<br />

'<br />

S = 0,<br />

504.<br />

S<br />

e<br />

u<br />

'<br />

S 0,<br />

504.<br />

700 → =<br />

352,<br />

8Mpa<br />

' =<br />

e<br />

S e<br />

139300<br />

2<br />

143

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