A 60 hp air pump blower in 18hr/day service running at a speed of 500 rpm is driven by means of a multiple v-belt drive which is powered by a compressor-stator motor with speed 1300 rpm. The center distance must be between 30 to 40 inches and the available driver sheave diameter is 14 inches. Recommend a multiple v-belt drive that od the following condition

A 60 hp air pump blower in 18hr/day service running at a speed of 500 rpm is driven by means of a multiple v-belt drive which is powered by a compressor-stator motor with speed 1300 rpm. The center distance must be between 30 to 40 inches and the available driver sheave diameter is 14 inches. Recommend a multiple v-belt drive that od the following condition

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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A 60 hp air pump blower in 18hr/day service running at a speed of 500 rpm is driven by means of a multiple v-belt drive which is powered by a compressor-stator motor with speed 1300 rpm. The center distance must be between 30 to 40 inches and the available driver sheave diameter iS 14 inches. Recommend a multiple v-belt drive that respects the following condition stated.
A V-belt drive is required for a 20 Kw, 1440 rpm electric motor which drives a compressor running at 480 rpm for a service of 15 hrs per day. For space consideration, the center distance should be approximately 1.2 m. Determine, i) belt specification ii) number of belts iii) correct center distance iv) pulley diameters.
A horizontal belt conveyor arranged as shown in the figure P1 below operates at a speed of 270fpm and requires 25 Hp at the 40-inch-diameter driving drum. The drum receives power from a countershaftthrough a pair of spur gears. A motor operating at 860 rpm delivers power to the countershaft through aroller chain. The mechanical efficiency of the chain drive is 94 % and of the gears is 96 %. a) Determine theHp of the motor you would recommend. b) Determine the rpm of the driving drum and the countershaft. c)Calculate the number of teeth on the large sprocket required running the conveyor belt at the speedspecified. d) Determine the transmitted torque on the countershaft, in in-lb.
A 500 pound weight is attached to a cable that is being lifted by a 10 inch diameter drum. The 48V DC motor selected has a no-load angular velocity of 800 RPM and a stall torque of 500 inch-pounds. A gearbox has been designed to spin the drum as quickly as possible. Assume that there are no friction losses in this system. The drum is driven by a 72-tooth gear with a diametral pitch of P=8, and is 3D printed such that it has a yield strength in shear of τy = 2500 psi. Assuming that the entire output torque required to turn the drum is produced by the force on one tooth, and that the gear tooth would fail by being sheared off at the pitch circle, determine the required gear face width, b, for a factor of safety of 3. Note that circular tooth thickness, t, at the pitch circle is π / (2P). Repeat for a gear made out of 6061 Aluminum (σy = 35 ksi, τy = 20 ksi). Only do the part for the 6061 gear do not do it for the 3D printed gear
A multi plate friction clutch is used to transmit the power from the engine to a rotor which has a mass of 152 kg and a radius of gyration of 0.34 m. The inner and outer radius of the clutch disc is 0.055 m and 0.217 m respectively. The clutch plate has 4 contact surfaces (n = 4) and the axial thrust is 379 N. The flywheel of the engine rotates constantly at 1,106 rpm. Calculate the time required to accelerate the rotor from rest if the clutch is suddenly engaged. Take μ = 0.42. Assume uniform wear in clutch.
A belt conveyor transports 18 tonnes per hr at 20°. Determine the speed reducer power factor to lift the load vertically up sufficient to give 33.5 m horizontal center-to-center pulley distance. 1750-rpm motor, plain chain drive to helical gear speed reducer. Belt speed, 61 m/min. Discharge over tail pulley. No tripper.
As shown in the figure, 2 lumped masses that are not in the same plane are connected to a shaft between the bearings at A and B. The spindle is rotated counterclockwise with a constant speed of 1450 rpm. Perform the dynamic balancing of this prototype rotor system. -Required corrective masses in the L and R planes from the C axis of rotationIt will be placed at a distance of 50 mm. -The values of the required corrective masses will be found in grams. -The angle positions of the necessary corrective blocks will be written in polar style at the last stage. -For the solution, the "Algebraic Solution" method based on Cartesian components will be used.
A belt conveyor transports 18 tonnes per hr at 20°. Calculate the hp requirement to lift the load vertically up sufficient to give 33.5 m horizontal center-to-center pulley distance. 1750-rpm motor, V-belt drive to helical gear speed reducer. Belt speed, 61 m/min. Discharge over tail pulley. No tripper.
A belt conveyor transports 18 tonnes per hr at 20°. Calculate the total length to be sufficient to give 33.5 m horizontal center-to-center pulley distance. 1750-rpm motor, V-belt drive to helical gear speed reducer. Belt speed, 61 m/min. Discharge over tail pulley.
A 2hp motor is to drive a food shredder. The motor is projected to run at 1450 rpm and the required speed at the food shredder is 60 rpm. Design a double reduction drive consisting of belt and chain for this application. Please give solution and show drawing if needed
An inside cylinder locomotive has its cylinder centre lines 1 m apart and has a stroke of 1 m. The rotating masses per cylinder are equivalent to 200 kg at the crank pin, and the reciprocating masses per cylinder to 300 kg. The wheel centre lines are 2 m apart. The cranks are at right angles. The whole of the rotating and 2/3 of the reciprocating masses are to be balanced by masses placed at a radius of 0.8 m. Find the value of variation in tractive effort at 300 rpm. Select one: A. ±58476 N B. ±69780 N C. ±79654 N D. ±12475 N
Q2 Select a suitable chain drive to transmit 50 kW from an electric motor to a line shaft. The motor shaft r.p.m. are 1200, line shaft r.p.m. are 250 and approximate center distance is 600 mm. Assume service is 10hr/day, 6 days per week.