Step 2.5: Reconfigure to a Slider and R-R-R dyad

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Step 2.5: Reconfigure to a Slider and R-R-R dyad

Reconfigure the Motion-Part as a Slider

1.Delete the Motion-Dimension FB from the Rocker.

2.Add a Motion-Dimension FB to the Slide-Joint

The Motion-Part is now a Slider

3.We review the Slider-Crank in the Kinematics Tree.

Terminology

Term :

Definition

Motion-Part :

A Part whose position we control with a Motion-Dimension FB.

Rocker :

A Motion-Part whose angular position we control with a Motion-Dimension FB.

Slider :

A Part whose linear position we control with a Motion-Dimension FB - it is a Motion-Part

Motion-Dimension FB :

A FB that controls the angle of a rotating-Part, or the position of a sliding-Part.

Rotating-Part :

Any Part that you join with a Pin-Joint to a different Part.

Sliding-Part :

Any Part that you join with a Slide-Joint to a different Part.

Dyad :

A dyad is a kinematic construction of:

2 Parts, and

3 Joints

Dyad Closures :

Different ways to assemble the two Parts in a dyad.

Slider-Crank Mechanism:

A kinematic-chain in which we control the motion of a sliding-Part , that moves two Parts joined as an R-R-R dyad. the output is a rotating-Part (it does not usually rotate by 360).