TRANSMISIÓN POR POLEAS Y BANDAS

TABLAS

TABLA No. 1. FACTORES DE SERVICIO.

MÁQUINAS IMPULSADAS

MÁQUINAS IMPULSORASMOTORES ELÉCTRICOSFASE DIVIDIDA C.A.JAULA DE ARDILLATORSIÓN NORMAL Y SÍNCRONOSDEVANADO SHUNT C.C.TURBINAS DE VAPOR Y DE GASMOTORES DE COMBUSTIÓN INTERNA

MOTORES ELÉCTRICOSMONOFÁSICOS DEVANADOS SERIE C.A.ALTO DESLIZAMIENTOALTO PAR DE ARRANQUE DE C.A.DE ROTOR DEVANADO DE C.A.INDUCCIÓN-REPULSIÓN C.A.TIPO CAPACITORDEVANADO COMPOUND C.C.MÁQUINAS DE VAPORLÍNEAS DE TRANSMISIÓNEMBRAGUES

VENTILADORES HASTA 10 HPBOMBAS CENTRÍFUGASAGITADORES PARA LÍQUIDOSCOMPRESORES CENTRÍFUGOSTRANSPORTADORES DE PAQUETESSOPLADORES

1.1 1.2

TRANSPORTADORES DE BANDALÍNEAS DE TRANSMISIÓNGENERADORESPRENSAS Y TROQUELADORASMÁQUINAS HERRAMIENTASMÁQUINAS IMPRESORASVENTILADORES GRANDES

1.2 1.4

MOLINOS DE MARTILLOSPULVERIZADORESCOMPRESORESSOPLADORES DE ACCIÓN POSITIVABOMBAS DE PISTÓNTRANSPORTADORES DE TORNILLOTRANSPORTADORES DRAGADORESMÁQUINAS INDUSTRIALESCOSEDORASMAQUINARIA TEXTILELEVADORES DE CANGILONESMÁQUINAS LADRILLADORASBATIDORES PARA LA INDUSTRIA DEL PAPEL

1.4 1.6

TRITURADORES ROTATORIOSTRITURADORES DE QUIJADATRITURADORES DE RODILLOSTRITURADORES DE CONOMOLINOS DE BOLASROLADORAS DE LÁMINAMOLINOS DE RODILLOSAPAREJOS, MALACATES

1.6 1.8

NOTA: AUMENTE 0.2 AL FACTOR DE SERVICIO POR OPERACIÓN CONTÍNUA DE 24 HRS. DIARIAS Y RESTE 0.2 AL FACTOR DE SERVICIO POR OPERACIÓN INTERMITENTE.

2

TABLA No. 2. SECCIONES DE BANDA RECOMENDADAS PARA VELOCIDADES NORMALES DE MOTORES.

POTENCIA DE DISEÑO

VELOCIDAD DEL MOTOR EN RPM3000/3600 1500/1800 1000/1200 750/900 600/720 500/600 428/514

½ A A A A¾ A A A A1 A A A A

1 - ½ A A A A2 A A A A3 A A A(B) A(B)5 A A(B) B(A) B(A)

7 – ½ A B(A) B B10 A(B) B B B15 A(B) B B(C) C(B) C(B) C C20 A(B) B C(B) C C C C(D)25 A(B) B(C) C C C C(D) D(C)30 C(B) C C C(D) D D40 C(B) C C(D) D(C) D D50 C(B) C(D) D(C) D D D(E)60 C D(C) D D D E(D)75 C D D D(E) D(E) E

100 D D E(D) E(D) E125 D D E E E150 D D E E E200 D D E E E250 D D E E E300 D D E E E

TABLA No. 3. GAMA RECOMENDADA DE DIÁMETROS PARA LA POLEA MANOR.

SECCIÓN DE BANDARANGO DE DIÁMETROS

RECOMENDADOA DE 3.0 A 5.0 PULG.B DE 5.4 A 7.8 PULG.C DE 8.0 A 12.4 PULG.D DE 13.0 A 20.0 PULG.E DE 22.0 A 28.0 PULG.

TABLA No. 4 - A. POTENCIA DE TRANSMISIÓN DE BANDAS TIPO “V”.

VELOCIDAD EN

PIES/MIN

SECCIÓN “A”DIÁMETRO DE PASO

*2.6 3.0 3.4 3.8 4.2 4.6 5.0 O MAYOR

3

1000 0.5 0.7 0.8 0.9 0.9 1.0 1.01200 0.6 0.8 1.0 1.0 1.1 1.2 1.21300 0.7 0.9 1.0 1.1 1.2 1.3 1.31400 0.7 0.9 1.1 1.2 1.3 1.4 1.41500 0.8 1.0 1.1 1.3 1.4 1.4 1.51600 0.8 1.0 1.2 1.3 1.4 1.5 1.61700 0.9 1.1 1.3 1.4 1.5 1.6 1.71800 0.9 1.2 1.4 1.5 1.6 1.7 1.82000 1.0 1.3 1.5 1.6 1.8 1.9 2.02100 1.0 1.3 1.5 1.7 1.9 2.0 2.12200 1.1 1.4 1.6 1.8 1.9 2.0 2.22300 1.1 1.4 1.6 1.8 2.0 2.1 2.32400 1.1 1.4 1.7 1.9 2.0 2.2 2.32500 1.1 1.5 1.7 2.0 2.1 2.3 2.42600 1.2 1.6 1.8 2.0 2.2 2.3 2.52700 1.2 1.6 1.8 2.1 2.3 2.4 2.62800 1.2 1.6 1.9 2.1 2.3 2.5 2.62900 1.2 1.6 1.9 2.2 2.4 2.6 2.73000 1.3 1.7 2.0 2.2 2.4 2.6 2.73200 1.3 1.7 2.0 2.3 2.5 2.7 2.93400 1.3 1.8 2.1 2.4 2.7 2.8 3.03600 1.3 1.8 2.1 2.5 2.7 2.9 3.13800 1.3 1.8 2.2 2.5 2.8 3.0 3.24000 1.3 1.8 2.2 2.5 2.8 3.0 3.34200 1.2 1.8 2.2 2.6 2.9 3.1 3.34400 1.2 1.8 2.2 2.6 2.9 3.2 3.44600 1.1 1.7 2.1 2.6 2.9 3.2 3.44800 1.0 1.7 2.1 2.6 2.9 3.2 3.45000 1.0 1.6 2.0 2.5 2.8 3.2 3.45200 0.8 1.6 2.0 2.5 2.8 3.2 3.45400 0.7 1.5 2.0 2.4 2.8 3.1 3.45600 0.5 1.4 1.9 2.3 2.7 3.1 3.35800 0.3 1.3 1.7 2.2 2.6 3.0 3.26000 0.2 1.0 1.6 2.1 2.5 2.8 3.1

TABLA No. 4 - B. POTENCIA DE TRANSMISIÓN DE BANDAS TIPO “V”.

VELOCIDAD EN

PIES/MIN

SECCIÓN “B”DIÁMETRO DE PASO

*4.6 5.0 5.4 5.8 6.2 6.6 7.0 O MAYOR1000 1.1 1.3 1.4 1.5 1.6 1.7 1.81200 1.3 1.5 1.6 1.7 1.8 1.9 2.0

4

1300 1.4 1.6 1.8 1.9 2.0 2.1 2.21400 1.5 1.7 1.9 2.0 2.1 2.2 2.31500 1.6 1.8 2.0 2.1 2.3 2.4 2.51600 1.7 1.9 2.1 2.3 2.4 2.5 2.61700 1.8 2.0 2.2 2.4 2.5 2.7 2.81800 1.9 2.2 2.4 2.5 2.7 2.8 2.92000 2.1 2.4 2.6 2.8 2.9 3.1 3.22100 2.2 2.4 2.7 2.9 3.1 3.2 3.42200 2.3 2.5 2.8 3.0 3.2 3.4 3.52300 2.3 2.6 2.9 3.1 3.3 3.5 3.62400 2.4 2.7 3.0 3.2 3.4 3.6 3.72500 2.5 2.8 3.1 3.3 3.5 3.7 3.92600 2.6 2.9 3.2 3.4 3.6 3.8 4.02700 2.6 3.0 3.3 3.5 3.7 3.9 4.12800 2.7 3.0 3.3 3.6 3.8 4.1 4.32900 2.7 3.1 3.4 3.7 3.9 4.2 4.43000 2.7 3.2 3.5 3.8 4.0 4.3 4.53200 2.8 3.3 3.6 4.0 4.2 4.5 4.73400 2.9 3.4 3.7 4.1 4.4 4.7 4.93600 2.9 3.4 3.8 4.2 4.5 4.8 5.03800 3.0 3.5 3.9 4.3 4.6 4.9 5.24000 3.0 3.5 4.0 4.4 4.7 5.0 5.34200 3.0 3.5 4.0 4.4 4.7 5.1 5.44400 2.9 3.5 4.0 4.4 4.8 5.1 5.44600 2.8 3.4 4.0 4.4 4.8 5.1 5.54800 2.7 3.4 3.9 4.4 4.8 5.2 5.55000 2.6 3.3 3.8 4.3 4.7 5.1 5.55200 2.4 3.2 3.7 4.2 4.7 5.1 5.45400 2.2 3.0 3.5 4.1 4.6 5.0 5.35600 2.0 2.8 3.4 4.0 4.4 4.8 5.25800 1.7 2.5 3.2 3.8 4.3 4.7 5.16000 1.4 2.3 2.9 3.5 4.0 4.5 4.9

TABLA No. 4 - C. POTENCIA DE TRANSMISIÓN DE BANDAS TIPO “V”.

VELOCIDAD EN

PIES/MIN

SECCIÓN “C”DIÁMETRO DE PASO

*7.0 *8.0 9.0 9.6 10.0 10.2 10.612.0 O MAYOR

1000 2.0 2.5 2.8 3.0 3.1 3.2 3.3 3.61200 2.4 2.9 3.4 3.6 3.8 3.8 3.9 4.31300 2.6 3.2 3.7 3.9 4.1 4.2 4.3 4.6

5

1400 2.7 3.4 3.9 4.2 4.4 4.5 4.6 5.01500 2.9 3.6 4.2 4.4 4.6 4.7 4.8 5.31600 3.1 3.9 4.5 4.7 4.9 5.0 5.1 5.71700 3.3 4.1 4.7 5.1 5.3 5.4 5.5 6.01800 3.4 4.3 5.0 5.3 5.5 5.6 5.7 6.32000 3.7 4.7 5.5 5.9 6.1 6.2 6.3 7.02100 3.9 4.9 5.7 6.1 6.3 6.4 6.6 7.32200 4.0 5.1 5.9 6.3 6.6 6.7 6.9 7.62300 4.2 5.3 6.2 6.6 6.8 6.9 7.2 7.92400 4.3 5.5 6.4 6.8 7.1 7.2 7.5 8.22500 4.5 5.7 6.6 7.0 7.3 7.4 7.7 8.52600 4.6 5.8 6.8 7.3 7.6 7.7 8.0 8.82700 4.7 6.0 7.0 7.5 7.8 7.9 8.2 9.02800 4.8 6.2 7.2 7.7 8.0 8.1 8.4 9.32900 4.9 6.3 7.4 7.9 8.3 8.4 8.7 9.63000 5.0 6.5 7.6 8.1 8.5 8.6 8.9 9.83200 5.2 6.5 7.9 8.5 9.0 9.1 9.4 10.33400 5.3 7.0 8.3 8.9 9.3 9.5 9.8 10.83600 5.5 7.2 8.5 9.2 9.6 9.8 10.1 11.23800 5.5 7.4 8.8 9.5 9.9 10.1 10.5 11.64000 5.6 7.5 9.0 9.7 10.2 10.4 10.8 12.04200 5.6 7.6 9.2 9.9 10.4 10.6 11.1 12.34400 5.5 7.7 9.3 10.1 10.6 10.8 11.3 12.64600 5.5 7.7 9.4 10.2 10.8 11.0 11.5 12.94800 5.3 7.7 9.5 10.3 10.9 11.1 11.6 13.35000 5.2 7.6 9.5 10.4 11.0 11.2 11.7 13.25200 5.0 7.5 9.4 10.4 11.0 11.2 11.8 13.35400 4.7 7.3 9.3 10.3 10.9 11.2 11.8 13.45600 4.4 7.1 9.2 10.2 10.9 11.2 11.7 13.45800 4.0 6.8 8.7 9.9 10.5 10.8 11.4 13.26000 3.6 6.5 8.7 9.9 10.5 10.8 11.4 13.2

TABLA No. 4 - D. POTENCIA DE TRANSMISIÓN DE BANDAS TIPO “V”.

VELOCIDAD EN

PIES/MIN

SECCIÓN “D”DIÁMETRO DE PASO

*12.0 13.0 13.4 13.8 14.2 14.6 15.0 15.4 16.0 17.0 O MAYOR

1000 4.5 5.1 5.3 5.5 5.7 5.9 6.1 6.3 6.5 6.8

1200 5.3 6.1 6.3 6.6 6.8 7.1 7.3 7.5 7.7 8.2

1400 6.1 7.0 7.3 7.6 7.9 8.2 8.4 8.6 9.0 9.4

1600 6.9 7.9 8.3 8.6 8.9 9.2 9.5 9.8 10.2 10.7

1800 7.7 8.8 9.2 9.6 10.0 10.3 10.6 10.9 11.3 12.0

6

2000 8.4 9.7 10.1 10.5 10.9 11.3 11.7 12.0 12.5 13.2

2100 8.8 10.1 10.5 11.0 11.4 11.8 12.2 12.5 13.0 13.8

2200 9.1 10.5 11.0 11.5 11.9 12.3 12.7 13.1 13.6 14.4

2300 9.5 10.9 11.4 11.9 12.3 12.8 13.2 13.6 14.1 14.9

2400 9.8 11.3 11.8 12.3 12.8 13.3 13.7 14.1 14.6 15.5

2500 10.1 11.6 12.1 12.6 13.1 13.6 14.1 14.5 15.1 16.0

2600 10.4 12.0 12.6 13.1 13.6 14.1 14.6 15.0 15.6 16.6

2700 10.6 12.3 12.9 13.5 14.0 14.5 15.0 15.4 16.1 17.1

2800 10.9 12.7 13.3 13.8 14.4 14.9 15.5 15.9 16.6 17.6

2900 11.2 13.0 13.6 14.2 14.8 15.3 15.9 16.3 17.0 18.1

3000 11.4 13.3 13.9 14.6 15.2 15.7 16.3 16.8 17.5 18.6

3100 11.7 13.6 14.2 14.9 15.5 16.1 16.7 17.2 17.9 19.0

3200 11.9 13.9 14.6 15.3 15.9 16.5 17.1 17.6 18.4 19.5

3300 12.1 14.1 14.8 15.5 16.2 16.8 17.4 18.0 18.9 19.9

3400 12.2 14.4 15.1 15.8 16.5 17.1 17.7 18.3 19.1 20.3

3500 12.4 14.6 15.4 16.1 16.8 17.5 18.1 18.7 19.5 20.7

3600 12.6 14.8 15.6 16.3 17.0 17.7 18.4 19.0 19.8 21.1

3700 12.7 15.0 15.8 16.6 17.3 18.0 18.7 19.3 20.2 21.5

3800 12.8 15.2 16.0 16.8 17.5 18.2 18.9 19.5 20.4 22.2

4000 13.0 15.5 16.3 17.2 18.0 18.7 19.4 20.0 21.0 22.5

4200 13.1 15.7 16.6 17.5 18.3 19.0 19.8 20.5 21.5 23.0

4400 13.1 15.8 16.7 17.6 18.5 19.3 20.1 20.8 21.9 23.3

4600 13.0 15.8 16.8 17.8 18.7 19.6 20.4 21.2 22.3 23.9

4800 12.8 15.8 16.8 17.8 18.8 19.7 20.6 21.4 22.5 24.2

5000 12.5 15.6 16.6 17.8 18.8 19.7 20.6 21.4 22.6 24.4

5200 12.2 15.4 16.6 17.7 18.7 19.7 20.6 21.5 22.7 24.5

5400 11.7 15.1 16.3 17.4 18.5 19.5 20.4 21.3 22.6 24.5

5600 11.2 14.6 15.9 17.1 18.2 19.2 20.2 21.1 22.5 24.5

5800 10.5 14.1 15.4 16.6 17.7 18.8 19.8 20.8 22.2 24.3

6000 9.7 13.4 14.7 16.0 17.2 18.3 19.4 20.4 21.8 23.6

TABLA No. 4 - E. POTENCIA DE TRANSMISIÓN DE BANDAS TIPO “V”.

VELOCIDAD EN

PIES/MIN

SECCIÓN “E”DIÁMETRO DE PASO

*18.0 *19.0 *20.0 *21.0 21.6 22.0 22.8 23.2 23.6 24.0 27.0

28.0 O

MAYOR

1000 6.7 7.4 8.0 8.5 8.8 9.0 9.3 9.5 9.6 9.8 10.9 11.1

1200 8.0 8.8 9.5 10.1 10.5 10.7 11.1 11.3 11.5 11.7 13.0 13.3

1400 9.3 10.2 11.0 11.7 12.1 12.4 13.0 13.1 13.4 13.6 15.0 15.4

1600 10.5 11.5 12.4 13.3 13.8 14.1 14.7 14.9 15.2 15.4 17.1 17.5

1800 11.6 12.8 13.8 14.8 15.3 15.7 16.3 16.6 16.9 17.2 19.0 19.6

7

2000 12.7 14.0 15.2 16.2 16.8 17.2 17.9 18.3 18.6 18.9 21.0 21.6

2100 13.3 14.6 15.8 17.0 17.8 18.0 18.7 19.1 19.4 19.7 21.9 22.5

2200 13.8 15.2 16.5 17.6 18.3 18.7 19.5 19.9 20.2 20.6 22.8 23.5

2300 14.3 15.8 17.1 18.3 19.0 19.4 20.2 20.6 21.0 21.4 23.7 24.4

2400 14.7 16.3 17.7 18.9 19.6 20.1 21.0 21.4 21.8 22.2 24.6 25.3

2500 15.1 16.8 18.3 19.6 20.3 20.8 21.7 22.1 22.6 23.0 25.5 26.3

2600 15.6 17.3 18.9 20.2 21.0 21.5 22.4 22.8 23.3 23.7 26.4 27.1

2700 16.0 17.8 19.4 20.8 21.6 22.1 23.1 23.5 24.0 24.4 27.2 28.0

2800 16.5 18.3 19.9 21.4 22.2 22.8 23.8 24.2 24.7 25.1 28.0 29.9

2900 16.9 18.8 20.4 22.0 22.8 23.4 24.4 24.9 25.4 25.8 28.8 29.7

3000 17.2 19.2 20.9 22.7 23.5 24.0 25.0 25.5 26.0 26.5 29.6 30.5

3100 17.6 19.6 21.4 23.0 23.9 24.5 25.7 26.2 26.7 27.2 30.4 31.3

3200 17.9 20.0 21.8 23.5 24.5 25.1 26.2 26.8 27.3 27.8 31.1 32.0

3300 18.1 20.3 22.3 24.0 25.0 25.6 26.8 27.4 27.9 28.4 31.8 32.5

3400 18.4 20.6 22.6 24.5 25.5 26.1 27.3 27.9 28.4 29.0 32.5 33.8

3500 18.6 20.9 23.0 24.9 25.9 26.6 27.8 28.4 28.9 29.5 33.1 34.2

3600 18.9 21.2 23.4 25.3 26.3 27.0 28.3 28.9 29.4 30.0 33.8 34.8

3700 19.1 21.4 23.7 25.6 26.7 27.4 28.8 29.4 30.0 30.6 34.4 35.5

3800 19.3 21.7 24.0 26.0 27.1 27.8 29.2 29.8 30.4 31.0 34.9 36.1

4000 19.5 22.1 24.5 26.6 27.7 28.5 29.9 30.6 31.3 31.9 36.0 37.2

4200 19.6 22.4 24.8 27.1 28.3 29.1 30.5 31.2 31.9 32.6 37.0 38.2

4400 19.6 22.5 25.1 27.4 28.7 29.5 31.1 31.9 32.6 33.3 37.0 39.1

4600 19.5 22.5 25.2 27.6 29.0 29.9 31.5 32.3 33.0 33.7 38.5 39.9

4800 19.2 22.4 25.2 27.7 29.1 30.0 31.8 32.6 33.3 34.1 39.1 40.5

5000 18.8 22.1 25.0 27.7 29.2 30.1 31.9 32.7 33.6 34.4 39.5 40.9

5200 18.3 21.7 24.7 27.4 29.0 30.0 31.8 32.7 33.6 34.4 ---- 41.3

5400 17.6 21.1 24.2 27.1 28.7 29.7 31.6 32.6 33.4 34.3 ---- 41.5

5600 16.7 20.3 23.6 26.5 28.3 29.3 31.3 32.2 33.2 34.0 ---- 41.5

5800 15.7 19.4 22.8 25.8 27.6 28.7 30.8 31.8 32.7 33.6 ---- 41.3

6000 14.4 18.4 21.9 25.0 26.8 28.0 30.1 31.1 32.1 33.0 ---- 41.0

TABLA No. 5.

FACTORES DE CORRECCIÓN POR ARCO DE CONTACTO DE LA POLEA MENOR.

ARCO DE CONTACTO

FACTOR

0.00 180º 1.000.09 175º 0.990.17 170º 0.98

8

0.26 165º 0.960.35 160º 0.950.43 155º 0.940.52 150º 0.920.60 145º 0.910.68 140º 0.890.76 135º 0.870.84 130º 0.860.92 125º 0.841.00 120º 0.821.07 115º 0.801.14 110º 0.781.22 105º 0.761.28 100º 0.74

D: DIÁMETRO DE LA POLEA MAYOR EN PLG.d: DIÁMETRO DE LA POLEA MENOR EN PLG.C: DISTANCIA ENTRE CENTROS EN PLG.

9