Cálculo Oreja Izaje Por Grillete
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DISEÑO PARA CALCULO DE OREJAS 25.000 2.000 7.00 5.000 2.880 1.840 4.190 36.000 1.000 0.250
CAPACIDAD DEL GRILLETE Ø PERNO DEL GRILLETE C E A D F TIPO DE MATERIAL ESPESOR DEL CUERPO ESPESOR DE CACHETES
1.840 5.000
7.00
2.000
4.190
2.880
A ).- SE PROPONE DIMENSIONES DE CUERPO DE OREGA.
1 3.00 2.00
a) Barreno b) Long de cachetes c) Long de cuerpo d) Cuerpo Maximo
= = = =
2.00 + 0.125 = 2.125 in² 7.000 - 5.00 = 2.00 in² 2.00 + 1 = 3.00 in² 1.500 in²
2.125 2.00 1.00 1.- APLASTAMIENTO 0.250
1.00
0.250
AP= ( ØPERNO X CUERPO MAXIMO ) =
3
in²
ESFUERZO PERMISIBLE fp = 0.9 X fy =
0.9 x
36.00 K/si = 32.4
K/si
1.500 FP= fp X AP = 32.40 K/si X 3 FP= 97.200 Kip = 44.0899 Ton. FP= 44.0899 Ton. > 25.000 Ton.
si
2.000 2.- CORTE DE PLACA AC= 3.00
1.00 x
3.00 +
2 ( 0.250
x
ESFUERZO PERMISIBLE 2.00 fc = 0.4 X fy = 0.4 x 36.000 K/si 14.4 Ksi Fc= fc X Ac = 14.4 K/si x 4 si Fc= 57.6 Kip = 26.1274 Ton.
0.250
1.000
0.250
2.00 ) = 4.00 si
R= r= 3.0625
3.- TENSION 4.0625 At= 1.000 X 8.125 =+ 8.13 Si f t = 0.45 X fy = 0.45 x 36.00 K/si
0= 2.125
4.0625
Ft= f t X At = Ft= 131.625
16.2 K/si
16.2 K/si x 8.13 si = Kip = 59.7051 Ton.
131.625
8.125
4.- FLEXION 3
Ixx
4.0625
1 12
=
Cxx =
4.0625
Sxx =
Ixx Cxx
1.000
3.00
=
2.2500
in²
0.5538
in³
23.760
Ksi
in
3.00 2.2500 4.0625
Esfuerzo permisible a flexion. 1.000
fb= 0.66X fy = Mxx = SxxX fb =
0.66 +
36.000 K/si
0.5538 x 23.760 =
Mxx =
=
13.1594 Kip-in
PXL
P=
P=
13.159 4.0625
Kip-in =K 3.2392 Kip in
P=
3.2392
Kip =
1.46932
Mxx L
Ton <
25.000
Se propone formar una viga de patines igual a los refuerzos 0.250 3.00 S=
S=
8.125
3
12.9529
3 3 8.625 - 8.125 3 x 8.125
in³
8.625 Sxt = Mxx =
S1+S2 = 0.5538 +
12.9529
Sxt X fb =
320.92 Kip-in
P=
Mxx L
320.92 Kip-in = 4.0625 in =
P=
35.832
Ton. >
13.5067
78.9957 Kip
25.000 Ton.
in³
Soldadura en placa de menor espesor Longitud de soldadura = Longitud =
(
0.250
2 X 8.125 28.25 in
+ 4 X
3+
Maximo g = 0.175x 0.250 '' g = 0.175 8.625
As=
'' x 0.175
28.25''
4.94375 Si
Esfuerzo Permisible fs = 0.3 x fs = 0.3 x
fy 70
21
K/si
3 Fs = PLANTA
fs x As 21 K/si x 4.94375 si
Fs = 103.819
1'' '' g= 0.175
Kip =
47.0922 Ton.
)
CAPACIDAD DEL GRILLETE Ø PERNO DEL GRILLETE C E A D F TIPO DE MATERIAL ESPESOR DEL CUERPO ESPESOR DE CACHETES
1.840 5.000
7.00
2.000
4.190
2.880
A ).- SE PROPONE DIMENSIONES DE CUERPO DE OREGA.
1 3.00 2.00
a) Barreno b) Long de cachetes c) Long de cuerpo d) Cuerpo Maximo
= = = =
2.00 + 0.125 = 2.125 in² 7.000 - 5.00 = 2.00 in² 2.00 + 1 = 3.00 in² 1.500 in²
2.125 2.00 1.00 1.- APLASTAMIENTO 0.250
1.00
0.250
AP= ( ØPERNO X CUERPO MAXIMO ) =
3
in²
ESFUERZO PERMISIBLE fp = 0.9 X fy =
0.9 x
36.00 K/si = 32.4
K/si
1.500 FP= fp X AP = 32.40 K/si X 3 FP= 97.200 Kip = 44.0899 Ton. FP= 44.0899 Ton. > 25.000 Ton.
si
2.000 2.- CORTE DE PLACA AC= 3.00
1.00 x
3.00 +
2 ( 0.250
x
ESFUERZO PERMISIBLE 2.00 fc = 0.4 X fy = 0.4 x 36.000 K/si 14.4 Ksi Fc= fc X Ac = 14.4 K/si x 4 si Fc= 57.6 Kip = 26.1274 Ton.
0.250
1.000
0.250
2.00 ) = 4.00 si
R= r= 3.0625
3.- TENSION 4.0625 At= 1.000 X 8.125 =+ 8.13 Si f t = 0.45 X fy = 0.45 x 36.00 K/si
0= 2.125
4.0625
Ft= f t X At = Ft= 131.625
16.2 K/si
16.2 K/si x 8.13 si = Kip = 59.7051 Ton.
131.625
8.125
4.- FLEXION 3
Ixx
4.0625
1 12
=
Cxx =
4.0625
Sxx =
Ixx Cxx
1.000
3.00
=
2.2500
in²
0.5538
in³
23.760
Ksi
in
3.00 2.2500 4.0625
Esfuerzo permisible a flexion. 1.000
fb= 0.66X fy = Mxx = SxxX fb =
0.66 +
36.000 K/si
0.5538 x 23.760 =
Mxx =
=
13.1594 Kip-in
PXL
P=
P=
13.159 4.0625
Kip-in =K 3.2392 Kip in
P=
3.2392
Kip =
1.46932
Mxx L
Ton <
25.000
Se propone formar una viga de patines igual a los refuerzos 0.250 3.00 S=
S=
8.125
3
12.9529
3 3 8.625 - 8.125 3 x 8.125
in³
8.625 Sxt = Mxx =
S1+S2 = 0.5538 +
12.9529
Sxt X fb =
320.92 Kip-in
P=
Mxx L
320.92 Kip-in = 4.0625 in =
P=
35.832
Ton. >
13.5067
78.9957 Kip
25.000 Ton.
in³
Soldadura en placa de menor espesor Longitud de soldadura = Longitud =
(
0.250
2 X 8.125 28.25 in
+ 4 X
3+
Maximo g = 0.175x 0.250 '' g = 0.175 8.625
As=
'' x 0.175
28.25''
4.94375 Si
Esfuerzo Permisible fs = 0.3 x fs = 0.3 x
fy 70
21
K/si
3 Fs = PLANTA
fs x As 21 K/si x 4.94375 si
Fs = 103.819
1'' '' g= 0.175
Kip =
47.0922 Ton.
)
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