Four-Bar Linkage Simulator
Interactive simulation tool for four-bar linkage mechanisms. Adjust link lengths, check Grashof condition, trace coupler curves, and analyze angular positions, velocities, and transmission angles.
Preset Configurations
Mechanism Parameters
40 mm
120 mm
80 mm
100 mm
0 mm
Animation Controls
60 RPM
2°
0°
Quick Actions
Generate complete kinematic analysis across full 360° rotation for all experiments.
Experimental Analysis
Kinematics
Coupler θ₃
Follower θ₄
ω₃
ω₄
Coupler Results
θ₃ Range
--
Max |ω₃|
--
Follower Results
θ₄ Range
--
Oscillation
--
Max |ω₄|
--
Force Transmission & Design
Transmission Angle
Mech. Advantage
Joint B Velocity
Coupler Curve
Transmission Angle Results
Min μ
--
Max μ
--
Mechanical Advantage Results
Maximum MA
--
Minimum MA
--
Joint B Velocity Results
Max Velocity
--
Coupler Curve
X-Y path of the coupler midpoint through one full input rotation. The shape of this curve determines what complex motion the mechanism can generate.
Download Professional Resources
Get experimental data generated for your specific parameters, along with professional engineering resources
Lab Report
Complete report with watermark-free diagrams and all 7 analysis graphs. Includes .MD, .PNG images, and .DOCX converter.
1 USD
Experimental Data
Full kinematic dataset (361 points, 14 variables) in .CSV format for your exact parameters.
1 USD
Design Data + Animation
Design specs in .TXT, watermark-free .PNG, and full 360-degree animation in .WEBM video.
1 USD
All data generated for your exact mechanism parameters. 1 USD per item, or buy all as a package.