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Q1) In Fig.(1), the shaft is subjected to a reversed load P = (2700 to - 900) N. Find the length (L), if the stress at the fillet equal to the half stress at the center.

Q1) In Fig.(1), the shaft is subjected to a reversed load P = (2700 to - 900) N. Find the length (L), if the stress at the fillet equal to the half stress at the center.

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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I. N • O P M E;Y7 Z H.W. for fatigue stresses... Q1) In Fig.(1), the shaft is subjected to a reversed load P = (2700 to - 900) N. Find the length (L), if the stress at the fillet equal to the half stress at the center. de6.25 62.5 -O- 50 -375 375 Fillet Fillet All Dimensions in mm Center Fig(1) Q.) In Fig.(2), the shaft is subjected to reversed loads, F = 7 2700 N and P = F 1350 N, where these two loads vary at the same time. Find the required length (L), if the stress at the fillet equal to the stress at the center. F 2700 N P.1350 N P.1350 N 50 62.5 1500 - - Fillet Center Fillet Al Dimensions in mm Fig(2) Q.) In Fig.(3), the shaft is subjected to reversed loads, F = F 2700 N and P = F 1350 N, where these two loads vary at the same time. Find the diameter (d), if the stress at the fillet equal to the stress at the center. F- 2700 N * 10 P.+1350 N P-1350 N d. 1.6 d 500- - 1500 - 500 Fillet Center Fillet All Dimensions in mm Fig(3) Q.) In the Fig.(4) shown below, a machine member is subjected to a normal load at its free end varies from (+2P) to (-P) at 60 with y-axis and to a reversed vertical load (+P) to (-P) at a distance 10 mm from free end, where these two loads vary at the same time. If ayleld = 450 N/mm, %3! Oendurance = 250 N/mm, safety factor, N = 3 and thickness, t = 8 mm, find the safe load P. 2P 60° d=4 20 10 2 =2 II >
Transcribed Image Text:I. N • O P M E;Y7 Z H.W. for fatigue stresses... Q1) In Fig.(1), the shaft is subjected to a reversed load P = (2700 to - 900) N. Find the length (L), if the stress at the fillet equal to the half stress at the center. de6.25 62.5 -O- 50 -375 375 Fillet Fillet All Dimensions in mm Center Fig(1) Q.) In Fig.(2), the shaft is subjected to reversed loads, F = 7 2700 N and P = F 1350 N, where these two loads vary at the same time. Find the required length (L), if the stress at the fillet equal to the stress at the center. F 2700 N P.1350 N P.1350 N 50 62.5 1500 - - Fillet Center Fillet Al Dimensions in mm Fig(2) Q.) In Fig.(3), the shaft is subjected to reversed loads, F = F 2700 N and P = F 1350 N, where these two loads vary at the same time. Find the diameter (d), if the stress at the fillet equal to the stress at the center. F- 2700 N * 10 P.+1350 N P-1350 N d. 1.6 d 500- - 1500 - 500 Fillet Center Fillet All Dimensions in mm Fig(3) Q.) In the Fig.(4) shown below, a machine member is subjected to a normal load at its free end varies from (+2P) to (-P) at 60 with y-axis and to a reversed vertical load (+P) to (-P) at a distance 10 mm from free end, where these two loads vary at the same time. If ayleld = 450 N/mm, %3! Oendurance = 250 N/mm, safety factor, N = 3 and thickness, t = 8 mm, find the safe load P. 2P 60° d=4 20 10 2 =2 II >
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