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A cam with minimum radius of 25 mm, rotating clockwise at a uniform speed is to be designed to give a roller follower a motion described below: 1. To raise the valve through 50 mm during 120° by simple harmonic motion. 2. To keep the valve fully raised through the next 30°. 3. To lower the valve during the next 60° by uniform acceleration. 4. To keep the valve closed during the rest of the revolution. The diameter of the roller is 20 mm and the diameter of the camshaft is 25 mm. Determine the maximum velocity and the maximum acceleration of the valve rod for both the outstroke and return stroke if the cam shaft rotates at 100 rpm. Valve rod Pitch Circle 15.00 Base Circle Cam Profile

A cam with minimum radius of 25 mm, rotating clockwise at a uniform speed is to be designed to give a roller follower a motion described below: 1. To raise the valve through 50 mm during 120° by simple harmonic motion. 2. To keep the valve fully raised through the next 30°. 3. To lower the valve during the next 60° by uniform acceleration. 4. To keep the valve closed during the rest of the revolution. The diameter of the roller is 20 mm and the diameter of the camshaft is 25 mm. Determine the maximum velocity and the maximum acceleration of the valve rod for both the outstroke and return stroke if the cam shaft rotates at 100 rpm. Valve rod Pitch Circle 15.00 Base Circle Cam Profile

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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A cam with minimum radius of 25 mm, rotating clockwise at a uniform speed is to be designed to give a roller follower a motion described below: 1. To raise the valve through 50 mm during 120° by simple harmonic motion. 2. To keep the valve fully raised through the next 30°. 3. To lower the valve during the next 60° by uniform acceleration. 4. To keep the valve closed during the rest of the revolution. The diameter of the roller is 20 mm and the diameter of the camshaft is 25 mm. Determine the maximum velocity and the maximum acceleration of the valve rod for both the outstroke and return stroke if the cam shaft rotates at 100 rpm. Valve rod Pitch Circle 15.00 Base Circle Cam Profile
Transcribed Image Text:A cam with minimum radius of 25 mm, rotating clockwise at a uniform speed is to be designed to give a roller follower a motion described below: 1. To raise the valve through 50 mm during 120° by simple harmonic motion. 2. To keep the valve fully raised through the next 30°. 3. To lower the valve during the next 60° by uniform acceleration. 4. To keep the valve closed during the rest of the revolution. The diameter of the roller is 20 mm and the diameter of the camshaft is 25 mm. Determine the maximum velocity and the maximum acceleration of the valve rod for both the outstroke and return stroke if the cam shaft rotates at 100 rpm. Valve rod Pitch Circle 15.00 Base Circle Cam Profile
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