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
Question
Chapter 16, Problem 22P
To determine
The temperature rise.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
(Q2) The following data are given for the drum brake shown in figure (1)
Drum diameter is 400mm
• Width of the shoe is 75mm
• The coefficient of friction is 0.24
• The maximum pressure is 1MP..
• The drum rotates 3000rpm in counter clock wise direction.
• The equivalent polar moment of inertia is 10 kg.m/s?
Determine the minimum actuating force and the frictional torque. What is
the time required for deceleration to the rest?
100
150
126
112
50
50
I
Fig.(1)
Badly Needed ASAP. I will rate helpful. Thank you
The figure shows an internal rim-type brake having an inside rim diameter of 300 mm and a
dimension R 5 125 mm. The shoes have a face width of 40 mm and are both actuated by a
force of 2.2 kN. The drum rotates clockwise. The mean coefficient of friction is 0.28.
a. Find the maximum pressure and indicate the shoe on which it occurs.
b. Estimate the braking torque effected by each shoe, and find the total braking torque.
c. Estimate the resulting hinge-pin reactions.
30°-
30°.
R
120°
120°
Pin
Pin
30°
30°
Figure 3: An internal rim-type brake
Chapter 16 Solutions
Shigley's Mechanical Engineering Design (McGraw-Hill Series in Mechanical Engineering)
Ch. 16 - The figure shows an internal rim-type brake having...Ch. 16 - For the brake in Prob. 16-1, consider the pin and...Ch. 16 - In the Figure for Prob. 16-1, the inside rim...Ch. 16 - The figure shows a 400-mm-diameter brake drum with...Ch. 16 - The block-type hand brake shown in the figure has...Ch. 16 - Suppose the standard deviation of the coefficient...Ch. 16 - The brake shown in the figure has a coefficient of...Ch. 16 - Prob. 8PCh. 16 - Prob. 9PCh. 16 - Prob. 10P
Ch. 16 - The maximum band interface pressure on the brake...Ch. 16 - The drum for the band brake in Prob. 1611 is 12 in...Ch. 16 - The brake shown in the figure has a coefficient of...Ch. 16 - The figure depicts a band brake whose drum rotates...Ch. 16 - The figure shows a band brake designed to prevent...Ch. 16 - A plate clutch has a single pair of mating...Ch. 16 - A hydraulically operated multidisk plate clutch...Ch. 16 - Prob. 18PCh. 16 - A cone clutch has D = 12 in, d = 11 in, a cone...Ch. 16 - Prob. 20PCh. 16 - A two-jaw clutch has the dimensions shown in the...Ch. 16 - Prob. 22PCh. 16 - Prob. 23PCh. 16 - Prob. 24PCh. 16 - Using the data of Table 16-6, find the mean output...Ch. 16 - When a motor armature inertia, a pinion inertia,...Ch. 16 - For the conditions of Prob. 1627, make a plot of...Ch. 16 - Prob. 29PCh. 16 - Prob. 30PCh. 16 - Prob. 31P
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
- Calculate the indicated power of a cylinder and the engine, if the mechanical efficiency of the engine is given as 75 % Calculate the brake power and friction power of the engine. Provide your answer in kW and hp. Study the power if the engine is a four stroke type. Cylinder bore 500 Piston stroke 2,050 Stroke/bore ratio Speed range Mean effective pressure = 2050/500 124-99 19.5 Maximum cylinder pressure Numbers of cylinders 5 to 8 Feedback: Correct answer = 155 mm mm rev/min bar bararrow_forwardsolve part (iv)arrow_forwardA single block brake, as shown, has a tangential braking force of 500 N and normal force 1500 N pressing on the brake block on the wheel. The drum diameter is 240 mm. Which of the following is the force P required to operate the brake? -200 * 200 P 184 0 775 N O 725 N O 1000 N O690Narrow_forward
- A block-brake shown below has a face width of 300mm and a mean coefficient of friction of 0.25 For an activating force of 400 N, the braking torque in Nm is 200 mm 400 mm 400N 300 mm 45° 150mmarrow_forwardQuestion A3. The simple brake shown in Fig. A3 has wrap angle 220° and the rotating brake drum radius is 80 mm. A brake force of 90 N is applied via the cable and the coefficient of friction between the brake and the drum is 0.3. The moment of inertia of the rotating drum is 25 kg m³. (a) Calculate the brake torque generated, and (b) How long is the braking time from if the initial rotating speed is 120 rpm. Simple band brake for a minibike Sourcehtpe/www.iet.compas sS4222/ Fig. A3arrow_forwardBraking torque applied?arrow_forward
- A prony brake is to be built to measure the torque output of a 10-hp motor that operates at a speed of 1200 r/min. If the scale available has a maximum capacity of 7kg, what is the length of the shortest brake arm that could be used to measure any torque output of the motor up to 125 percent of its rated value?arrow_forwardIn a brake test, the effective load on the pulley was 38.1 kg, the effective diameter of the pulley is 63.5 cm and speed = 720 rpm. The motor took 49 A at 220 V. Calculate the output power and efficiency at this load.arrow_forwardProblem 6 The figure depicts a band brake whose drum rotates counterclockwise at 200 rev/min. The drum diameter is 16 in and the band lining 75 mm wide. The coefficient of friction is 0.20. The maximum lining interface pressure is pV=1.5 MPa.m/s. (a) Find the brake torque, necessary force P, and steady-state power. (b) Complete the free-body diagram of the drum. Find the bearing radial load that a pair of straddle-mounted bearings would have to carry. 75 mm- -250 mm-arrow_forward
- With steps and clear writing please !!arrow_forwarda Dashboard 曲 Events E My Courses This course TWo pulleys of radius 290 Tmm and 190 mm are mounted in an open-belt drive arrangement on two parallel shafts. The pulleys center lines are 0.58 m apart. of 15 stion The big pulley is rotating at 98 rpm and the coefficient of friction between the belt and the pulleys is 0.25 and the tensile force allowed in the belt is 1.2kN. Analyze the belt drive system and calculate: The contact angle at the big pulley: Opig ° (1) The contact angle at the small pulley: 0sm rad ° (2) STm The length of the belt, assuming a negligible thickness: т (3) The torque at the big pulley: Nm, and (1) The torque at the small pulley: Nm (1) The maximum power transmitted through the belt drive system kW (1) If the total mass of the belt is 2.3 kg, assuming a firm grip between pulleys and the belt and the same speed, all other relevant parameters remaining the same as in the statement above, you are required to revisit your analysis with respect to the centrifugal…arrow_forwardQ5: The block brake, as shown, provides a braking torque of 360 N.m The diameter of the brake drum is 300 mm. The coefficient of friction is 0.3. Find 1. the force (P) to be applied at the end of the lever for the clockwise and counter clockwise rotation of the brake drum, and 2. The location of the pivot or fulcrum to make the brake self-locking for the clockwise rotation of the brake dracs 100 10 ( F₁ 4 μ sin 80 20+ sin20 T = (F₁) r Bearing Area A, b(2r sind) RN = (1 20 R 600 Brake drumarrow_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 PressMechanics of Materials (10th Edition)Mechanical EngineeringISBN:9780134319650Author:Russell C. HibbelerPublisher:PEARSONThermodynamics: An Engineering ApproachMechanical EngineeringISBN:9781259822674Author:Yunus A. Cengel Dr., Michael A. BolesPublisher:McGraw-Hill Education
- Control Systems EngineeringMechanical EngineeringISBN:9781118170519Author:Norman S. NisePublisher:WILEYMechanics of Materials (MindTap Course List)Mechanical EngineeringISBN:9781337093347Author:Barry J. Goodno, James M. GerePublisher:Cengage LearningEngineering 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
Mechanical Design (Machine Design) Clutches, Brakes and Flywheels Intro (S20 ME470 Class 15); Author: Professor Ted Diehl;https://www.youtube.com/watch?v=eMvbePrsT34;License: Standard Youtube License