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
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Chapter 7, Problem 41P
To determine
The dimensions for a
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15.)A full journal bearing has a journal diameter of 4.000in. with a unilateral tolerance of -0.004in. The bushing bore has a diameter of 4.004in and unilateral tolerance of +0.004in. the bearing is 3in long. The journal load is 3000 lbf and it runs at a speed of 400 rpm. What is the load per projected bearing area 9P) in psi?
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75
100
125
250
16.)For the bearing in problem #15, if the lubricant average viscosity is 9 ureym, what is the Sommerfield number (assuming minimum clearance)
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Between 0.6 and 0.7
Between 0.5 and 0.6
Between 0.3 and 0.4
Between 0.2 and 0.3
Chapter 7 Solutions
Shigley's Mechanical Engineering Design (McGraw-Hill Series in Mechanical Engineering)
Ch. 7 - A shaft is loaded in bending and torsion such that...Ch. 7 - The section of shaft shown in the figure is to be...Ch. 7 - The rotating solid steel shaft is simply supported...Ch. 7 - A geared industrial roll shown in the figure is...Ch. 7 - Design a shaft for the situation of the industrial...Ch. 7 - The figure shows a proposed design for the...Ch. 7 - For the problem specified in the table, build upon...Ch. 7 - Prob. 8PCh. 7 - For the problem specified in the table, build upon...Ch. 7 - For the problem specified in the table, build upon...
Ch. 7 - In the figure is a proposed shaft design to be...Ch. 7 - The shaft shown in the figure is proposed for the...Ch. 7 - Prob. 20PCh. 7 - The shaft shown in the figure is proposed for the...Ch. 7 - Prob. 25PCh. 7 - Prob. 26PCh. 7 - Prob. 27PCh. 7 - A 25-mm-diameter uniform steel shaft is 600 mm...Ch. 7 - Prob. 29PCh. 7 - Compare Eq. (727) for the angular frequency of a...Ch. 7 - Prob. 31PCh. 7 - The steel shaft shown in the figure carries a...Ch. 7 - A transverse drilled and reamed hole can be used...Ch. 7 - Prob. 34PCh. 7 - The shaft shown in Prob. 721 is proposed for the...Ch. 7 - A guide pin is required to align the assembly of a...Ch. 7 - Prob. 37PCh. 7 - Prob. 38PCh. 7 - Prob. 39PCh. 7 - A ball bearing has been selected with the bore...Ch. 7 - Prob. 41PCh. 7 - A gear and shaft with nominal diameter of 35 mm...
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- Choose correct answer: The outer diameter of the shaft is 10 cm & the diameter ratio is 1.25. Find the polar modulus of the shaft _______________cm3. 115.92 1.159 1159.2 11.59arrow_forwardPlease give proper solution. A cylinder of a four stroke diesel engine has the following specifications: Brake power = 5 kW Speed = 600 rpm Indicated mean effective pressure = 0.5 MPa Make suitable assumptions and calculate (a) Bore and length of the cylinder liner.arrow_forwardDetermine the limits of the corresponding shaft, for a Clearance Fit using the Basic Hole System, given the following information. Determine the minimum and maximum clearances. Show all work. The Basic hole size (minimum diameter) = 0.725" Tolerance of the parts = 0.005" Allowance = 0.004"arrow_forward
- Read and Solve carefully please Write clearly and Box the Final answer(s) Express your answer to 3 Significant figures and include appropriate units.arrow_forwardengineering tolerance: A solid steel shaft with a diameter of 130 mm must be press-fitted in a journal bearing with an inlet and outlet diameters of 130 and 145 mm, respectively. Both solid shaft and journalbearing require rigidity and alignment with an accuracy of the location. Consider a journal bearinginlet diameter as the basic size. determine 1. the tolerance limits for both the solid steel shaft diameter and the journal bearing inlet diameter2. the dimensions of both the solid steel shaft diameter and the journal bearing inlet diameterarrow_forwardA power transmission shaft is to carry a steady 30 horsepower whilerotating at 1000 rpm. Specify a suitable diameter for the solid circular shaft if it is tobe made from AISI 1020 cold-drawn steel. Use Appendix A-2 for preferred size.arrow_forward
- (Q) A deep groove ball bearing is subjected to radial load of 5 kN and axial load of 2 kN. It rotates at 760 rpm. Shaft diameter should not be less than 50 mm and life has to be minimum 22,000 hours. Select a suitable bearing. wwwarrow_forward10. The design life of a bearing used in a shaft of an industrial blower is around 20,000 h. How many number of revolutions is this equal to if the shaft rotates at 600 rpm? 3 x 108 6 x 108 4 x 108 7 x 108 a. b. 11. For a D/d ratio of 1.5, which combination of fillet radius and smaller shaft diameter will you consider it as a well rounded fillet? 0.4 and 20.0 b. 2 and 10.5 a. b. C. d. 12. Which combination of sheave diameters and center of less than 9.5 inches? 2, 8, 10 2.5, 10, 10 C. d. c. d. 3.0 and 100 both b and c distance results in a length of span between two sheaves 4, 10, 10 Answer is not among the choicesarrow_forwardCalculation of Limits using ANSI B4.1 Standard Tables, when one of the design Features Exists. When calculating the limit tolerances for features that mate with purchased parts, the purchased part size must be known. This may be obtained be requesting a drawing from a vendor or, a caliper or micrometer can be used to obtain an accurate size. A shaft diameter of 1.2500" is to be pressed into a part using a FN3 interference (force) fit. Limits of size for the shaft diameter are 1.2500" and 1.2495". Determine the Limits of the hole diameter. Show all work.arrow_forward
- Refer to drawing 21A033, what is dimension G? (Please note that you can't just assume the hub protrudes equally on both sides as it may not) All abbreviations are standardarrow_forwarda. The following illustration shows the shaft and housing fits for a bearing system. The bottom half of the chart is the shaft fit section and the top half is the housing fits for bearing. Explain this illustration (What this illustration is trying to convey?). discuss (these blocks, F, G, H,..etc) What does these blocks represent? On what basis should you select clearance or interference fit for a bearing? Why is it important? For illustration only Ier Ring Oue Ring Bere Dameter Housing Bearing MMIMT Outer ring tolerance Clearae Tratn Terferene Clece Tioe fesne ft Inner ring tolerance Shaftarrow_forwardCorrect and complete solution pleasearrow_forward
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