For Problems 18-22 (Table 7-27), design a V-belt drive. Specify the belt size, the sheave sizes, the number of belts, the actual output speed, and the center distance. CHAPTER SEVEN Belt Drives, Chain Drives, and Wire Rope 303 TABLE 7-27 V-Belt Drive Design Problems Nominal Input output Input power Problem number Driver type Driven Service speed speed machine (h/day) (rpm) (hp) (kW) (rpm) 18. AC motor (HT) Hammer mill 8 870 25 18.6 310 19. AC motor (NT) Fan 22 1750 5 3.73 725 20. 6-cylinder engine Heavy conveyor 16 1500 40 29.8 550 21. DC motor (compound) Milling machine 16 1250 20 14.9 695 22. AC motor (HT) Rock crusher 8 870 100 74.6 625 Note: NT indicates a normal-torque electric motor. HT indicates a high-torque electric motor.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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For Problems 18-22 (Table 7-27), design a V-belt drive.
Specify the belt size, the sheave sizes, the number of belts, the
actual output speed, and the center distance.
Transcribed Image Text:For Problems 18-22 (Table 7-27), design a V-belt drive. Specify the belt size, the sheave sizes, the number of belts, the actual output speed, and the center distance.
CHAPTER SEVEN Belt Drives, Chain Drives, and Wire Rope
303
TABLE 7-27 V-Belt Drive Design Problems
Nominal
Input
output
Input power
Problem
number
Driver
type
Driven
Service
speed
speed
machine
(h/day)
(rpm)
(hp)
(kW)
(rpm)
18.
AC motor (HT)
Hammer mill
8
870
25
18.6
310
19.
AC motor (NT)
Fan
22
1750
5
3.73
725
20.
6-cylinder engine
Heavy conveyor
16
1500
40
29.8
550
21.
DC motor (compound)
Milling machine
16
1250
20
14.9
695
22.
AC motor (HT)
Rock crusher
8
870
100
74.6
625
Note: NT indicates a normal-torque electric motor. HT indicates a high-torque electric motor.
Transcribed Image Text:CHAPTER SEVEN Belt Drives, Chain Drives, and Wire Rope 303 TABLE 7-27 V-Belt Drive Design Problems Nominal Input output Input power Problem number Driver type Driven Service speed speed machine (h/day) (rpm) (hp) (kW) (rpm) 18. AC motor (HT) Hammer mill 8 870 25 18.6 310 19. AC motor (NT) Fan 22 1750 5 3.73 725 20. 6-cylinder engine Heavy conveyor 16 1500 40 29.8 550 21. DC motor (compound) Milling machine 16 1250 20 14.9 695 22. AC motor (HT) Rock crusher 8 870 100 74.6 625 Note: NT indicates a normal-torque electric motor. HT indicates a high-torque electric motor.
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