Poleas-Bandas Mott.pdf
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Transcript of Poleas-Bandas Mott.pdf
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S1 =180° ?2 arcsind2?d1
2c
d2 <c <3Ýd2 +d1Þ
L =2c +1. 57Ýd2 +d1Þ+Ýd2?d1Þ
2
c
B =4L ?6. 28Ýd2 d1Þ
c =B+B2?32Ýd2?d1Þ
2
16
(se propone un valor para c)
+
4
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Tabla 13-1 V-belt Service Factorspágina 540, “Machine elements in mechanical design, Robert L. Mott, 2da edición”
Tabla 13-1 Standard Belt Lenghts for 3V, 5V, and 8V Belts (in)página 544, “Machine elements in mechanical design, Robert L. Mott, 2da edición”
Máquina impulsada
< 6 hr/día6 - 15 hr/día
> 15 hr/día < 6 hr/día6 - 15 hr/día
> 15 hr/día
Ventilador industrial
1.0 1.1 1.2 1.1 1.2 1.3
Máquina Herramienta
1.1 1.2 1.3 1.2 1.3 1.4
Máquina textil
1.2 1.3 1.4 1.4 1.5 1.6
Trituradora 1.3 1.4 1.5 1.5 1.6 1.8Máquina
que pueda ahogarse
2.0 2 2 2 2 2
Máquina impulsoraMotor CA, par torsor normal
motor > 4 cilindrosMotor CA, par torsor alto
motor < 4 cilindros
Solo 3V 3V y 5V 3V, 5V y 8V 5V y 8V Solo 8V25 50 100 150 375
26.5 53 106 160 40042528 56 112 170 45030 60 118 180 475
31.5 63 125 190 50033.5 67 132 20035.5 71 140 21237.5 75 224
40 80 23642.5 85 250
45 90 26547.5 95 280
300315335355
(Dimensiones en pulgadas)Longitud de bandas estandar 3V, 5V y 8V