⚙️ Four-Bar Mechanism Lab

Synthesize planar four-bar kinematic mechanisms. Classify via Grashof's Theorem ($s + l \le p + q$), trace coupler curves (Chebyshev, Watt, Hoeken), and analyze transmission angles.

Frame ($d$) Ground distance

Input Crank ($a$) Driver arm

Coupler ($b$) Floating link

Output Rocker ($c$) Follower arm

Gold Trail = Coupler Point Trajectory Path

Grashof Classification

CRANK-ROCKER

$s + l \le p + q$ (Satisfied)

Transmission Angle ($\mu$)

64.2°

Optimal range: 45° - 135°

Shortest Link ($s$)

Crank $a$ (40 mm)

Capable of full 360° spin

Rocker Oscillation Swing

78.5°

Output stroke range