Shigley's Mechanical Engineering Design (McGraw-Hill Series in Mechanical Engineering)
10th Edition
ISBN: 9780073398204
Author: Richard G Budynas, Keith J Nisbett
Publisher: McGraw-Hill Education
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
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.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
2. A 75 kW induction motor runs at 740 rpm in clockwise direction. A 19 tooth helical
pinion with20 degree normal pressure angle, 10 mm normal module and a helix angle of
23 degree is keyed to the motor shaft. Draw a 3-dimensional sketch of the motor shaft
and the pinion. Show the forces acting on the pinion and the bearing at A and B. The
thrust should be taken out at A
All dimensions are in mm
y
750
B
200
Z2=38
Z₁ = 19
X
A belt conveyor transports 18 tonnes per hr at 20°. Determine the unit weight of belt material in kg/ply-cm
width-m 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.
For the belt drive shown below calculate the contact angle 0, if:
D = 100 mm;
d = 30 mm;
C = 300 mm.
Chapter 17 Solutions
Shigley's Mechanical Engineering Design (McGraw-Hill Series in Mechanical Engineering)
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...
Knowledge Booster
Learn more about
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
- A single-strand roller chain drive connects a 50-hp engine to a lawn waste chipper/shredder, as shown below. As the engine operates at 1000 rpm, the shredding teeth should rotate at 250 rpm. The driven sprocket has 60 teeth. Determine the chain speed.arrow_forward4 A compressor requires 120 kW to run at 240 rpm from an electric motor of speed 750 rpm by means of a V-belt drivę. The diaincter of comp shaft pulley should not be more than 1000 mm while the center distance between the shafts is 2000 mm. Belt speed should not be more than 25 m/sec. Detcrmine number of belts to transmit the power it each belt has cross-sectional arca of 375 mm', density 1000 kg/m' and allowable tensile stress of 2.5 MPa. The pulley groove angle is 40° and coeff, of friction between pulley and belt is 0.25:arrow_forwardA chain drive is desired to couple a gearmotor with a bucket elevator. The 40 hp. gearmotor will operate at 350 rpm and the elevator drive shaft must operate as close to 60 rpm as possible. Select an appropriate chain size, commercially available sprockets, and number of links for a chain. Also calculate the actual chain speed and the center distance.arrow_forward
- 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 neededarrow_forwardA shaft turning 150 RPM is to drive another shaft at 200 RPM. Find the diameters of the two pulleys, using integral number of inches for each diameter, to give as nearly as possible a belt speed of 2500 FPM. Please provide illustration.arrow_forwardTwo 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_forward
- A hammer mill is driven by a High Torque (HT) AC motor. The system is used for 8 hours /day. Input speed is 870 RPM and input power is 25 HP. Nominal output speed is 310 RPM. Design a V-belt drive and specify:(a) (b) (c) (d) (e)the belt size,the sheave sizes,the number of belts, theactualoutputspeed,the center distance. Show all your calculations.arrow_forwardA motor, operating clockwise is coupled through a belt drive to rotate an industrial exhaust fan at 500 rpm. The diameter of the motor sheave is 4 in. and the sheave on the fan is 14 in. Determine the belt speed.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_forward
- 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 geararrow_forwardA 7,5 kW electric motor (star-delta start) running at the speed of 900 r/min is to drive a laundry machine, which operates 12 hours per day, by means of a simplex chain drive. The laundry machine must run at approximately speed of 308 r/min. Based on the space restrictions, the center-line distance is limited to 400 mm. Specify the length of chain (in mm) to be used as well as the exact center-line distance. Note that the form of lubrication used is TPYE 2.arrow_forwardQ4/ A single V belt is to be selected to deliver engine power to the wheel-drive transmission of a riding tractor. A 5-hp single-cylinder engine is used. At most, 60 percent of this power is transmitted to the belt. The driving sheave has a diameter of 6.2 in, the driven, 12.0 in. The belt selected should be as close to a 92-in pitch length as possible. The engine speed is governor-controlled to a maximum of 3100 rev/min. Select a satisfactory belt and assess the factor of safety and the belt life in passes.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Elements Of ElectromagneticsMechanical EngineeringISBN:9780190698614Author:Sadiku, Matthew N. O.Publisher:Oxford University Press
Mechanics of Materials (10th Edition)Mechanical EngineeringISBN:9780134319650Author:Russell C. HibbelerPublisher:PEARSON
Thermodynamics: An Engineering ApproachMechanical EngineeringISBN:9781259822674Author:Yunus A. Cengel Dr., Michael A. BolesPublisher:McGraw-Hill Education
Control Systems EngineeringMechanical EngineeringISBN:9781118170519Author:Norman S. NisePublisher:WILEY
Mechanics of Materials (MindTap Course List)Mechanical EngineeringISBN:9781337093347Author:Barry J. Goodno, James M. GerePublisher:Cengage Learning
Engineering Mechanics: StaticsMechanical EngineeringISBN:9781118807330Author:James L. Meriam, L. G. Kraige, J. N. BoltonPublisher:WILEY
Elements Of Electromagnetics
Mechanical Engineering
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Oxford University Press
Mechanics of Materials (10th Edition)
Mechanical Engineering
ISBN:9780134319650
Author:Russell C. Hibbeler
Publisher:PEARSON
Thermodynamics: An Engineering Approach
Mechanical Engineering
ISBN:9781259822674
Author:Yunus A. Cengel Dr., Michael A. Boles
Publisher:McGraw-Hill Education
Control Systems Engineering
Mechanical Engineering
ISBN:9781118170519
Author:Norman S. Nise
Publisher:WILEY
Mechanics of Materials (MindTap Course List)
Mechanical Engineering
ISBN:9781337093347
Author:Barry J. Goodno, James M. Gere
Publisher:Cengage Learning
Engineering Mechanics: Statics
Mechanical Engineering
ISBN:9781118807330
Author:James L. Meriam, L. G. Kraige, J. N. Bolton
Publisher:WILEY
Power Transmission; Author: Terry Brown Mechanical Engineering;https://www.youtube.com/watch?v=YVm4LNVp1vA;License: Standard Youtube License