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Shaft Design: Part.1 (60 pts) Consider the shaft system in Fig.1. The shaft is to be made of high-carbon steel (out 89.2 ksi , σ 55.2 kst) for infinite life. Standard ball bearings support the shaft at z 0 and z -54 in and do 0.75 d The applied loads are steady such that bending moments are completely rev 2.5 hp of horse power, where (1 hp = 550 lb . in/s) is transmitted to)the shaft through the driving pinion at an angular velocity of w 1526 rpm. ersed while torsion is steady. -64in x-63 in 30 in x26 in 24 in Driving pinion in.. do 20 in plane of Fo plane of R plane of Re section. A section. D plane of F section. C Driven gear section. E Figure 1: Shaft Design: Part.2 (40 pts) Shaft Design: Deflection based Using the values of (dmin domins damin, damin) from the previous section, we calculate the deflection along the y-axis and its slope within the shaft system. To this end, we analyze the shaft deflection over the following intervals: 1 . Interval. 1: 0

Answer 1

Uem da - 55.2 13,Z ksi P = 2,5x 550 1ь.ims Po wton G3i 60 Fo Fo 26i) 6O Load omaBe ,6013 2 load om l*«)o 8604 В.М. Fo

SH dlhuckon Bendin moves B-M nat b-ing Mc = 34-41 Lb-in

dr Fr 0.191 x dえ 3 rx RAX叹 da2 0,19 122. 衹 Slope | 0.860x 130- 久E1

clzz d2j Er 2EL 6 EL dz2 它工 ET EL 그 GEL σ.gso[70-х) EI d了 .492a-N σ.tq Iq ΕΣ . ナ

그기 G区工