zero displacement of the follower. Explain the design process and its components. Prime circle: The small s. If the displacement of the follower place with uniform and equal acceleration and retardation on both the outward and return strokes, draw profile of the cam and find the maximum velocity and acceleration during out stroke and return stroke. Connect the two circles with a line and draw a smooth, curving line to create the desired shape of the cam profile. Share the memory region with other processes by passing the region's address to each process. This procedure has two Answered: with a minimum radius of 30 mm, | bartleby Start by drawing a circle, with two smaller circles connected near the top and bottom of the main circle. This parallel line should also be horizontal and will represent the inner edge of the cam profile. Mark the camshaft angles in the anticlockwise direction. The minimum radius of the cam is 30 mm. 23287/Cams-0042.png cannot be found in /users/23287/Cams-0042.png. point as the follower is 150 Finish the profile by extending the offset line to the outside of the roller follower's circle. The dimensions of the cam profile will depend upon the chosen contour and follower movement. This curve must be symmetrical about the equilibrium point, and should increase and decrease in a regular, sinusoidal pattern. Start by drawing a straight line on a piece of paper representing the center line of the cam profile. (3) Draw the cam profile for following conditions: Follower type = roller follower, in-line; lift = 25mm; base circle radius = 20mm; roller radius = 5mm; out stroke with UARM, for 1200 cam rotation; dwell for 600 cam rotation; return stroke with UARM, for 900 cam rotation; dwell for the remaining period. The length of the line should be equal to the cam displacement. M N P. outstroke and return stroke. Finally, erase any unwanted pencil lines and you are done. L M N is the smallest circle (b) the axis of the follower is offset by 20 mm from the axis of the cam shaft. Design the cam follower: Design the cam follower to meet the needs of the application. motion, the knife edge of the follower contacts the point of Begin by drawing the base line of the cam profile. 2 24.5 where the graph is a sine curve. In addition, a wer located at the knife-edge, roller ce Radius to remove abrupt change in direction. smooth out in the Draw two more perpendicular lines at the endpoints of the curved line, intersecting the circle in two points. C d e. a flat reciprocating follower in the following manner : Without changing this feature of their Furthermore, imagine that the knife-edge of the 1 Draw the graph as shown. Label each pivot with a letter or number. Draw two vertical lines coming down from the edges of the collar. r angle through which the follow The follower dwells for the next 90 of ca m rotation. Draw outward lines to the right and left of the center point to create the base of the cam profile.
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