Download - 1.6,5.4 bending stress in straight beams
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ELEMEN MESIN ILatihan soal 5
Proses perencanaan & analisis Tegangan, Teori Kegagalan & faktor Keamanan
Frederikus Konrad, ST, MT, MMJURUSAN TEKNIK MESIN,FTI-UNIVERSITAS GUNADARMA
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Latihan soal 5 Terdapat sebuah batang poros dengan data
terlihat pada gambar dibawah ini serta tegangan yang terjadi 100 MPa dan Momen lenturnya 6.316x106 N-mm
Tentukan diameter poros tersebut
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Latihan soal 5 Diketahui
PC = 25 kN
PD = 35 kN
σt = 100 MPa = 100 N/mm2
M = 6.316 x 106 N-mm
DitanyaD ?
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Latihan soal 5 Jawab
RA dan RB = reaksi atas A dan B mengikutinya
NxkNR
R
R
NxkNR
R
xR
xR
xxxR
Amoment
A
A
A
B
B
B
B
B
3
3
10421.28421.28
579.3160
579.313525
10579.31579.31
950
30000
30000950
375026250950
1502575035950
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Latihan soal 5 Jawab
mmNxD
xxxRD
Dmoment
mmNxC
xxxRC
Cmoment
B
A
6
3
6
3
10316.6
20010579.31200
10263.4
15010421.28150
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Latihan soal 5 Jawab
Mencari diameter
mmatau
mmd
d
d
xd
d
x
d
x
Z
M
lenturtegangandiketahui
dZ
dZ
dZ
b
90
378.86
644490
644490
100
10449.64
10449.64100
098.0
10316.6100
100
098.0
32
14.332
3
3
63
3
6
3
6
3
3
3
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ELEMEN MESIN ILatihan soal 5
Frederikus Konrad, ST, MT, MMJURUSAN TEKNIK MESIN,
FTI-UNIVERSITAS GUNADARMA