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Unformatted text preview: wrench and key. SECTION 1.6 Shear Stress and Strain 35 Shaft Lever Key c P L b d Solution 1.6-13 Wrench with keyway F REE-BODY DIAGRAM OF WRENCH With friction disregarded, the bearing pressures between the wrench and the shaft are radial. Because the bearing pressure between the wrench and the key is uniformly distributed, the force F acts at the midpoint of the keyway. (Width of keyway 5 b /2) F 5 4 PL 2 d 1 b PL 2 F d 2 1 b 4 5 M C 5 0 ` ~ P L b 2 F C d 2 b 4 + d F REE-BODY DIAGRAM OF KEY F b 2 F b Plane of shear 5 4 PL bc (2 d 1 b ) t aver 5 F bc A-PDF Split DEMO : Purchase from www.A-PDF.com to remove the watermark...
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- Spring '08