Grashof's criterion for Double Crank Four-Bar Mechanism is almost the same as Crank-Rocker Mechanism. They're both defined as S+L ...

One of the most commonly used linkages is the four-bar linkage . It consists of 3 moving links and 1 ground link (also called a frame). Ther...

Mechanism with 1 degree of freedom To design the mechanism, the first thing we should check is the number of degrees of freedom  (DOF...

Let's continue from the previous post . We clearly see that the small post must be shortened because it the weakest point and creates to...

A lever is a mechanical part that has arms and a fixed pivot used to transmit torque . The cross section of the arm is usually a rectangula...

To modify or improve process of the existing machine in a production line may have some constraints regarding available spaces. There may be...

As we can see from previous post that design C is still the best choice since it's light-weight and relatively rigid compared to other ...