MÉTODOS DE HILADO IPN.: CALCULOS DE ESTIRAJES PARCIALES

Del siguiente problema calcular el Estiraje total parcial por desarrollos y por engranes tomando en cuenta el alimentador y productor.

*CILINDRO 1

D=(3.1416)(O)(n)

D (3.1416)(1 1/4)(6985 rpm)=27.430 /min

D=27,430 /36=761.9 Yads/min

D=27.430 /39.37 Mts/min

*CILINDRO 2

D=(3.1416)(O)(n)

D (3.1416)(1 1/8)(17462.5 rpm)=61.717 /min

D=61.717 /36=1714Yads/min

D=61.717 /39.37=1567.8 Mts/min

*CILINDRO 3

D=(3.1416)(O)(n)

D (3.1416)(1 1/2)(13642 rpm)=64286 /min

D=64286 /36=1785 Yads/min

D=64286/39.37=1632.8 Mts/min

*CILINDRO 4

D=(3.1416)(O)(n)

D (3.1416)(1 1/8)(12789 rpm)=45200 /min

D=45200 /36=1255 Yads/min

D=45200/39.37=1148 Mts/min

*CILINDRO 5

D=(3.1416)(O)(n)

D (3.1416)(1 1/2)(24.075 rpm)=113450 /min

D=113450/36=3151 Yads/min

D=113450/39.37=2881 Mts/min

*CILINDRO 6

D=(3.1416)(O)(n)

D (3.1416)(2 6/8)(11235 rpm)=97063 /min

D=97063/36=2696 Yads/min

D=97063/39.37=2465.4 Mts/min

*CILINDRO 7

D=(3.1416)(O)(n)

D (3.1416)(2)(19661 rpm)=123533.70/min

D=123533.70/36= 3431.49 Yads/min

D=123533.70/39.37=3137.76 Mts/min

*CILINDRO 8

D=(3.1416)(O)(n)

D (3.1416)(1 1/2)(39322 rpm)=185300.55/min

D=185300.55/36= 5147.23 Yads/min

D=185300.55/39.37= 4706.68 Mts/min

*CILINDRO 9

D=(3.1416)(O)(n)

D (3.1416)(1 1/8)(88476.13 rpm)=312700/min

D=312700/36= 8686.12 Yads/min

D=312700/39.37= 7942.59 Mts/min

ESTIRAJE TOTAL

Productor 312 7000.45"7 min

Est= _________. ______________ =11.399

Alimentador 27430 "/min

ESTIRAJE PARCIAL

*De igual manera se calcula tomando en cuenta que va de productor sobre alimentador.

61717/min
Est 1-2 _________= 2.249 .

27430/min

64286/min

Est 2-3 ___________ = 1.0416

61 717/min

45200/min
Est 3-4 ___________ = 0.7031
64286/min

113450/min
Est 4-5 ___________ = 2.508
45200/min

91063/min
Est 5-6____________=0.855
113459/min

123533/min
Eest 6-7 ____________= 1.272
97063/min

185300.55/min
Est 7-8 ____________=1.50
123533/min

312700/min
Est 8-9 _____________-=1.687
185300.55/min

ESTIRAJE PARCIAL TOTAL.

*Aquí se realiza una operación de multiplicar todas para comprobar si es correcto el estiraje principal.

Est=(2.249)(1.0416)(0.7031))(2.509)(0.855)(1.272)(1.50)(1.687) = 11.399

Calcular el siguiente problema el estiraje por medio de desarrollos parcial y total asi como estiraje por medio de engranes.Cuando va de alimentador a productor (flecha hacia abajo).

*CILINDRO 1

D=(3.1416)( 0)(n)

D= (3.1416)(15)(4000(12)(8)(13)
_________=115314
(6)(20)(17)

*CILINDRO 2

D=(3.1416)( 0)(n)

D= (3.1416)(12)4000(12)(8)(13)
_________=196035
(6)(20)(8)

*CILINDRO 3

D=(3.1416)( 0)(n)

D= (3.1416)(10)4000(12)(8)(13)
_________=163362
(6)(20)(8)

*CILINDRO 4

D=(3.1416)( 0)(n)

D= (3.1416)(4)4000(12)(8)(13)
_________=65345
(6)(20)(8)

ESTIRAJE TOTAL

PRODUCTOR 65345
Est______________=_______=0.566
ALIMENTADOR 115314

ESTIRAJE PARCIAL

196035
Est 1-2=________=1.7
115314

163362

Est 2-3 =_______=0.833

196035

65345

Est 3-4 =_______=0.40

163362

ESTIRAJE TOTAL PARCIAL

(1.7)(O.833)(0.40)=O.566

ESTIRAJE POR MEDIO DE ENGRANES

*Aquí solo se calcula de uno en uno siguiendo el "caminito" es decir se va a lado contrario de alimentador a productor solo colocando las pulgadas que se encuentren.

65345

Est total______= 0.566

115314

(12) (17)

1-2_________=1.7

(15) (8)

(10)

2-3_____=0.83

(12)

3-4_____=0.4

*De igual manera la comprobación del estiraje se multiplican todos los factores obtenidos.aya si concuerda con el primer estiraje calculado quiere decir que el procedimiento es correcto.

Est total=(1.7)(0.83)(0.4)= 0.566

Calcular del siguiente para el siguiente caso estiraje por medio de desarrollos y estiraje parcial total así como estiraje por engranes.

D= (3.1416)(0)(n)

(3.1416)(3200 (45))
D=________________= 56548.6 /min
48

(3.1426)(1 1/2)(3200 (45)(65)(21))
D2 = ___________=13755/min
(65)(74)(14)

(3.1426)(4 1/2)(3200 (45)(65)(21))
D3 = ___________=18053.5/min
(65)(74)(32)

(3.1426)(4 3/4)(3200 (45)(65))
D4 = _________=29.038 /min
(65)(74)

(3.1426)(4 1/2)(3200 (45)(74)(82))
D5 = ___________=161442.6/min
(74)(47)(22)

(3.1426)(5)(3200 (45)(74)
D6 = ________=48126.5/min
(74)(47)

(3.1426)(2 1/2)(3200 (45)(12)
D7 = _______=49172.7/min
(12)(23)

ESTIRAJE TOTAL

PRODUCTOR 49172.7/min
Est ______________ =___________0.869
ALIMENTADOR 56548.6/min

ESTIRAJES PARCIALES

13755/min
1-2__________=0.24
56548.6/min

18053.8/min
2-3___________=1.3
13755/min

29038/min
3-4___________=1.6
18053,8/in

161442.6 /min

4-5_____________=5.5

29038/min

48126.5/min
5-6_____________=0.29

161442.6/min

49172.7/min

6-7 ___________=1.02

48126.5=min

ESTIRAJE TOTAL PARCIAL

Est. total= (0.24)(1.3)(1.6)(5.5)(0.29)(1.02)=0.853

ESTIRAJE POR MEDIO DE ENGRANES

PRODUCTOR 49172.7/min

EST________________ ____________=0.869

ALIMENTADOR 56548.6/min

1 1/2 (48) (65) (21)

1-2__________________=0.351

6 (45) (74) (14)

4 1/2 (14)

2-3 ________=1.31

1 1/2 (32)

4 3/4 (32)

3-4 _________=1.608

4 1/2 (21)

4 1/2 (74)(65)(74)(82)

4-5____________________=5.55

4 3/4 (65)(74)(47)(22)

5 (22)

5-6_______=0.298

4 !/2(82)

2 1/2 (47) (45)(12)

6-7 _________________=0.621

5 (74)(12)(23)

ESTIRAJE TOTAL POR ENGRANES.

Est total = (0.351)(1.31)(1.608)(5.55)(0.298)(0.621) = 0.869

Del siguiente problema calcular la producción de estiraje por medio de desarrollos parciales y por medio de engranes.

D=(3.1416)(0)(n)

(3.1416)(2 1/3)(1400 (6)(61)(6)(20)(25)(29)

D1= ______________________ =21520.05/min

(15)(15)(18)(16)(13)(18)

(3.1416)(2 3/4)(1400(6)(61)(6)(20)(25)

D2= ____________________=15765/min

(15)(15)(18)(16)(13)

(3.1416)(2 1/3)(1400 (6)(61)(6)(20)(25)(10)

D3= _______________________]=11131.06/min

(15)(15)(18)16)(13)(12)

(3.1416)(2 5/4)(1400(6)(61))(6)(20)(25)(29)(35)

D4= _______________________________=6100.2/min

(15)(15)(18)(16)(13)(50)(62)

(3.1416)(23)(1400 (6)(20)

D5= _____________=40463.7/min

(20)(15

(3.1416)(20)(1400(6)(15)

D6= _____________:=21991/min

(20)(18)

(3.1416)(22)(1400(6)(12)

D7= ___________=30963/min

(15)(15)

(3.1416)(12 1/2)(1400 (6)(12)

D8= ___________=2335/min

(15)(113)

(3.1416)(2)(1400(6)(12)

D9= ___________=827.9/min

(15)(51)

(3.1416)(2 1/4)(1400 (6)

D10= ________=3958.4/min

ESTIRAJE TOTAL

PRODUCTOR 3958.40/min

Est T=_______________=_____________=0.1839

ALIMENTADOR 21520.50/min

15765/min

1-2=______________=0.732

21520.50/min

11131.06/min

2-3=______________=0.706

15765/min

6100.2 /min

3-4_____________=0.5480

11131.06/min

40463.7/min

4-5_____________= 6.633

6100/min

21991/min

5-6 _____________= 0.543

40463.7=min

30963/min

6-7 ___________=1.40

21991/min

2335/min

7-8___________=0.075

30963/min

827.9/min

8-9___________=0.354

2335/min

3958.4/min

9-10___________ =4.781

827.9/min

TOTAL DE ESTIRAJE PARCIALES

Est Total= (0.732)(0.706)(0.5480)(6.633)(0.543)(1.40)(0.075)(0.354)(4.781)= 0.1837

CALCULO DE ESTIRAJE POR ENGRANES

PROD. 2 !/4 (18)(13)(16)(18)(15)

Est=_______ ____________________= 0.1839

ALIM. 2 1/3 (29)(25)(20)(6)(61)

PARCIALES

2 3/4 (18)

1-2= __________=0.7325

2 1/3 (29)

2 1/3 (10)

2-3=__________ =0.7060

2 3/4 (12)

2 5/4 (12)(29)(35)

3-4= ________________=0.5480

2 1/3 (10)(50)(62)

23 (62)(50)(13)(16)(18)(15)(15)(20)

4-5=______________________________=6.633

2 5/4 (35)(29)(25)(20)(6)(61)(20)(15)

20 (15)

5-6=_______=0.543

23 (18)

22(18)(20)(12)

6-7=_____________=1.40

20(15)(15)815)

12 1/2 (15)

1-8=__________=0.075

22 (113)

2 (113)

8.9=_________ =0.354

12 1/2 (51)

2 1/4 (51)

9-10=_________ =4.78

2 (12)

ESTIRAJE TOTAL PARCIAL POR ENGRANES

Est. Total=(0.7325)(0.7060)(0.5480)(6.633)(0.543)(1.40)(0.075)(0.354)(4.78) = 0.1839

MÉTODOS DE HILADO IPN.

CALCULOS DE ESTIRAJES PARCIALES

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