Hi, I'm a university second year Mechanical Engineering student and I'm new to this module of Kinematics and Dynamics of Machinery and I've just learned the concept of the Grashof Criterion where "(adsbygoogle = window.adsbygoogle || []).push({}); The sum of the shortest and longest link of a planar four-bar linkage cannot be greater than the sum of remaining two links if there is to be continuous relative motion between the links."

L[itex]_{max}[/itex]+L[itex]_{min}[/itex][itex]\leq[/itex]L[itex]_{a}[/itex]+L[itex]_{b}[/itex]

Can anyone explain to me why is it so? Why must the sum of the max and min linkages be longer than the other 2?? Is there a mathematical equation to prove this? Thanks for the assistance :)

**Physics Forums | Science Articles, Homework Help, Discussion**

Dismiss Notice

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Can anyone explain the Grashof Criterion ?

Loading...

Similar Threads for anyone explain Grashof |
---|

Does anyone have diffusion pump oil for sale? |

**Physics Forums | Science Articles, Homework Help, Discussion**