Grashofs law in a four bar chain mechanism - Basic Mechanical Engineering

Q.  According to Grashof's law in a four bar chain, one link can complete a rotation only if ________
- Published on 01 Sep 15

a. (sum of longest and shortest link length) ≥ (sum of the remaining two link lengths)
b. (sum of longest and shortest link length) ≤ (sum of the remaining two link lengths)
c. (sum of longest and shortest link length) = (sum of the remaining two link lengths)
d. None of the above

ANSWER: (sum of longest and shortest link length) ≤ (sum of the remaining two link lengths)

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    Discussion

  • Deepak Chatelwar   -Posted on 25 Jul 19
    What if S+L>p+q
    Which type of motion is possible?
  • Sravanthi    -Posted on 12 Nov 15
    - Grashof's law: Continuous relative rotation between two links is observed, only when the sum of shortest and longest link length is not greater than the sum of remaining two links.

    - According to Grashof's law:

    (sum of longest and shortest link length) ≤ (sum of the remaining two link lengths)

    - A four bar chain can complete a full rotation only if it satisfies the Grashof's law.

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