For one revolution of driving link 2 of the walking-beam indexing and pick-and-place mechanism in Figure P4-6, find the horizontal stroke of link 3 for the portion of their motion where its tips are above the top of the platen. Express the stroke as a percentage of the crank length O 2 A . What portion of a revolution of link 2 does this stroke correspond to? Also find the total angular displacement of link 6 over one revolution of link 2. The vertical distance from O 2 to the top of the platen is 64 mm. The vertical distance from line AD to the top left corner Q of the leftmost pusher finger is 73 mm. The horizontal distance from point A to Q is 95 mm.
For one revolution of driving link 2 of the walking-beam indexing and pick-and-place mechanism in Figure P4-6, find the horizontal stroke of link 3 for the portion of their motion where its tips are above the top of the platen. Express the stroke as a percentage of the crank length O 2 A . What portion of a revolution of link 2 does this stroke correspond to? Also find the total angular displacement of link 6 over one revolution of link 2. The vertical distance from O 2 to the top of the platen is 64 mm. The vertical distance from line AD to the top left corner Q of the leftmost pusher finger is 73 mm. The horizontal distance from point A to Q is 95 mm.
For one revolution of driving link 2 of the walking-beam indexing and pick-and-place mechanism in Figure P4-6, find the horizontal stroke of link 3 for the portion of their motion where its tips are above the top of the platen. Express the stroke as a percentage of the crank length
O
2
A
. What portion of a revolution of link 2 does this stroke correspond to? Also find the total angular displacement of link 6 over one revolution of link 2. The vertical distance from
O
2
to the top of the platen is 64 mm. The vertical distance from line AD to the top left corner Q of the leftmost pusher finger is 73 mm. The horizontal distance from point A to Q is 95 mm.
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