Figure 3 shows the mechanism of a radial valve gear. The crank OA turns uniformly at...
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Figure 3 shows the mechanism of a radial valve gear. The crank OA turns uniformly at 150 RPM and is pinned at A to rod AB. The point C in the rod is guided in a circular path with D as centre and DC as radius. The dimensions of various links are as follows: OA = 150 mm; AB = 550 mm; AC = 450 mm; DC = 500 mm; and BE = 350 mm. a) Construct the velocity diagram and determine the velocity of ram E at the instant shown. Suggested Scale: 3 cm :1 m/s (Suggested starting point is shown on Page 6) b) Construct the acceleration diagram and determine the acceleration of ram E at the instant shown. Suggested Scale: 1 cm :1 m/s? (Suggested starting point is shown on Page 7) Draw the velocity and acceleration diagrams on the attached pages 6 and 7 of this document. If you do not have access to a printer, please use an A4 sheet and use the following sheets as a guide as to where to place the origin. E 550 D 200 500 30° A All dimensions in mm Figure 3 Figure 3 shows the mechanism of a radial valve gear. The crank OA turns uniformly at 150 RPM and is pinned at A to rod AB. The point C in the rod is guided in a circular path with D as centre and DC as radius. The dimensions of various links are as follows: OA = 150 mm; AB = 550 mm; AC = 450 mm; DC = 500 mm; and BE = 350 mm. a) Construct the velocity diagram and determine the velocity of ram E at the instant shown. Suggested Scale: 3 cm :1 m/s (Suggested starting point is shown on Page 6) b) Construct the acceleration diagram and determine the acceleration of ram E at the instant shown. Suggested Scale: 1 cm :1 m/s? (Suggested starting point is shown on Page 7) Draw the velocity and acceleration diagrams on the attached pages 6 and 7 of this document. If you do not have access to a printer, please use an A4 sheet and use the following sheets as a guide as to where to place the origin. E 550 D 200 500 30° A All dimensions in mm Figure 3
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Related Book For
Vector Mechanics for Engineers Statics and Dynamics
ISBN: 978-0073212227
8th Edition
Authors: Ferdinand Beer, E. Russell Johnston, Jr., Elliot Eisenberg, William Clausen, David Mazurek, Phillip Cornwell
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