Four-Bar Mechanism MapleSim Model - Four-Bar Mechanism S-Function - MapleSim Model Gallery

Four-Bar Mechanism

This is a standard benchmark for mechanical system modeling tools. Three bars are attached by revolute joints, while the fourth is attached to ground. A spring is attached between the coupling link and ground. A motor with varying torque (dependant on speed) is modeled using a Custom Component. 

The model is simulated to give the angular velocity from startup, as well as the reaction forces on the driven joint.

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Model: Four-Bar Mechanism

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Model Images
  • FourBarMechanismActiveForce Automatically-generated plots show reaction forces on a four-bar mechanism.
  • FourBarMechanismPlot.jpg The plot shows the reaction forces at joint 1.
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