SHIGLEY'S MECH.ENGIN....(LOOSE)>CUSTOM<
10th Edition
ISBN: 9781260163155
Author: BUDYNAS
Publisher: MCG CUSTOM
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Chapter 17, Problem 22P
A 2-hp electric motor running at 1720 rev/min is to drive a blower at a speed of 240 rev/min. Select a V-belt drive for this application and specify standard V belts, sheave sizes, and the resulting center-to-center distance. The motor size limits the center distance to at least 22 in.
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A1. A flat belt drive for speed reduction has pulley diameters of 200 mm and 380 mm. Themaximum belt tension is not to exceed 620 N and it is required to transmit 1·8 kW at anoutput speed of 360 rev/min. Determine:(a) The input torque. (b) The belt speed.
(c) The limiting slack side tension. (d) The initial tension at which the belt should be set.
A mini motorcycle is driven by a combustion engine with mechanical transmission. The 12Hp motor spins at a speed of 1150 rpm. The motorcycle runs at a linear speed of 45 km/h on 12-inch wheels. Preliminary center to center distance is 13”. This type of motorcycle requires two strands (conical double sleeve assembly) and is subjected to hard shocks.
Can I get a detailed explanation for Choice of chain and sprocket. (Standard part number, see catalog)
https://pdf.directindustry.com/pdf/martin-sprocket-gear/general-catalog/9091-246439.html
A mini motorcycle is driven by a combustion engine with mechanical transmission. The 12Hp motor spins at a speed of 1150 rpm. The motorcycle runs at a linear speed of 45 km/h on 12-inch wheels. Preliminary center to center distance is 13”. This type of motorcycle requires two strands (conical double sleeve assembly) and is subjected to hard shocks.
a) Calculate the effective power.b) Choice of chain and sprocket. (Standard part number, see catalog)c) Calculate the speed ratio.
https://pdf.directindustry.com/pdf/martin-sprocket-gear/general-catalog/9091-246439.html
Chapter 17 Solutions
SHIGLEY'S MECH.ENGIN....(LOOSE)>CUSTOM<
Ch. 17 - Example 17-2 resulted in selection of a 10-in-wide...Ch. 17 - A 6-in-widc polyamide F-l flat belt is used to...Ch. 17 - Prob. 3PCh. 17 - A flat-belt drive is to consist of two...Ch. 17 - In solving problems and examining examples, you...Ch. 17 - Return to Ex. 17-1 and complete the following. (a)...Ch. 17 - Prob. 7PCh. 17 - Prob. 8PCh. 17 - Prob. 9PCh. 17 - Two shafts 20 ft apart, with axes in the same...
Ch. 17 - Prob. 11PCh. 17 - Prob. 12PCh. 17 - A designer has to select a metal-belt drive to...Ch. 17 - Prob. 14PCh. 17 - Prob. 15PCh. 17 - Prob. 16PCh. 17 - Prob. 17PCh. 17 - Two B85 V belts are used in a drive composed of a...Ch. 17 - Prob. 19PCh. 17 - Prob. 20PCh. 17 - The geometric implications of a V-flat drive are...Ch. 17 - A 2-hp electric motor running at 1720 rev/min is...Ch. 17 - The standard roller-chain number indicates the...Ch. 17 - Prob. 24PCh. 17 - A double-strand no. 60 roller chain is used to...Ch. 17 - A four-strand no. 40 roller chain transmits power...Ch. 17 - Prob. 27PCh. 17 - Prob. 28PCh. 17 - Prob. 29PCh. 17 - Prob. 30PCh. 17 - Prob. 31PCh. 17 - Prob. 32PCh. 17 - Prob. 33PCh. 17 - For Prob. 17-29 estimate the elongation of the...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Similar questions
- Two pulleys, one 650 mm diameter and the other 400 mm diameter, on parallel shafts 1.5 m apart are connected by a flat belt. Find the length of the belt required and the angle of contact between the belt and each pulley. What power can be transmitted by the belt when the larger pulley rotates at 1200 rev/min, if the maximum permissible tension in the belt is 10 kN, and the coefficient of friction between the belt and pulley is 0.05? give proper explaination and dont give handwritten solution.arrow_forwardA pulley 600 mm. in diameter transmits 40 kW at 500 rpm. The arc of contact between the belt and pulley is 144° having a center distance of 1100 mm. Determine: (a) diameter of the driven pulley for open belt drive, (b) speed of the driven pulley, and (c) belt length for open belt connection.arrow_forwardFlat Belts. Two shafts 10 ft apart, with axes in the same horizontal plane, are to be connected with a flat belt in which the driving pulley, powered by an electrical motor with a 25 hp rating at 900 rev/min, drives the second shaft at half its angular speed. The driven shaft drives uniform (smooth) machinery loads. Select a flat belt.arrow_forward
- 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.arrow_forwardA 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.arrow_forwardPower is transmitted between two pulleys mounted on the parallel shafts rotating in the opposite direction. The pulleys are separated apart at a distance of 1950mm having 0.45m and 0.2m diameter respectively. What power can be transmitted by the belt when the larger pulley rotates at 200 rev/min, if the maximum permissible tension on the tight side of the belt is 1000 N, and the value of µ between the belt and pulley is 0.25. Design the length of the belt required and the angle of contact between the belt and each pulley.arrow_forward
- The agricultural machine is powered by an electric motor through a flat beltsystem. The machine requires 6 flat belts and 40 kW power to operate at aspeed of 350 rpm. The pulley diameter of the machine is 650 mm and the pulleyof the electric motor is 330 mm. The centre distance between the pulleys is1100 mm. The belt speed is not to exceed 30 m/s. Calculate the tensions in thebelt.arrow_forwardA 6-in-wide polyamide F-1 flat belt is used to connect a 4-in-diameter pulley to drive a larger pulley with an angular velocity ratio of 3. The center-to-center distance is 8 ft. The angular speed of the small pulley is 1850 rev/min as it delivers 2 hp. The service is such that a service factor Ks of 1.25 is appropriate. (a) Find Fc, Fi, F1a, and F2. (b) Find Ha, nfs, and belt length. (c) Find the dip.arrow_forwardMachine design A 60-hp four-cylinder internal combustion engine is used to drive a medium-shock brickmaking machine under a schedule of two shifts per day. The drive consists of two 26-in sheaves spaced about 12 ft apart, with a sheave speed of 400 rev/min. Select a Gates Rubber V-belt arrangement. Find the factor of safety, and estimate the life in passes and hours?arrow_forward
- Two shafts 30 in. apart, each carrying a four-step pulley, are to be connected by a cross belt. The driving shaft is to turn 180 rpm while the driven shaft is to turn 50, 150, 250, and 600 rpm. The smallest step of the driver is 10 in. in diameter. Find (a) the diameters of all the steps, (b) angle of contact for each pair of pulleys, and (c) belt length.arrow_forwardPROBLEM The diameter of two pulleys are (0.3m)and (0.2m), center distance (1m).if we use open belt drive. Determine: 1- the length of V-belt (2ß = 60°). 2- the contact angle between belt and smaller pulley. 3- the horse power, if the smaller pulley turn with speed (400r.p.m) and the tension force in tight side (T1=900N), coefficient of friction ų=0.3 4- the speed of large pulley.arrow_forwardTwo pulleys, one 650 mm diameter and the other 400 mm diameter, on parallel shafts 1.5 m apart are connected by a flat belt. Find the length of the belt required and the angle of contact between the belt and each pulley. What power can be transmitted by the belt when the larger pulley rotates at 1200 rev/min, if the maximum permissible tension in the belt is 10 kN, and the coefficient of friction between the belt and pulley is 0.05? dont write handwritten solution.arrow_forward
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