Mechanisms — eccentric drive

Recent Blogs

Cam-operated Shears diagram
Cam-operated Shears Mechanism Explained: How It Works, Diagram, Parts, Force Formula and Uses
See a cam close a pivoted shear. Estimate cutting-edge force for a solid round section and compare cycle timing, with clear limits on cam-load and...
Reciprocating Pump From Rotary via Cam diagram
Reciprocating Pump From Rotary via Cam: How It Works, Parts, Diagram and Calculator
Explore a circular eccentric cam driving a pump plunger. Calculate plunger area, ideal volume per stroke and revolution, and revolutions per millilitre.
Modified Eccentric with Elongated Yoke diagram
Modified Eccentric with Elongated Yoke: Straight-Line Motion
Explore how an eccentric disc and elongated yoke produce guided sinusoidal rod motion. Calculate stroke, ideal slot height, peak speed and acceleration.
Vibratory Belt Motion via Segment Lever diagram
Vibratory Belt Motion: Segment-Lever Illustration and Harmonic Calculator
Compare two strokes and calculate ideal sinusoidal peak belt speed and acceleration under an explicit one-cycle-per-revolution assumption.
Irregular Reciprocating Motion diagram
Irregular Reciprocating Motion: Mass and Acceleration Calculator | FIRGELLI
Convert an entered peak acceleration to inertial-force magnitude using mass, and convert a declared cycle rate to period. The block animation does not derive reciprocator...
Variable Eccentric diagram
Variable Eccentric: Ideal Circular-motion Force Calculator
Explore an offset sleeve and entered net eccentricity. Calculate ideal point-mass radial force, acceleration and frequency; follower, bearing and lock loads are not calculated.
Variable Crank Throw diagram
Variable Crank Throw: Ideal Stroke and Screw Adjustment
Calculate ideal stroke from crank radius and stroke change per radial screw turn. Compare radius with an explicitly entered symmetric span; actual slot capacity and...
Disk-and-pin Lever Vibration diagram
Disk-and-pin Lever Vibration Mechanism: How It Works, Parts, Diagram, and Calculator
Explore a rocking lever with its pin following a rotating disk groove. Compare sinusoidal swing, frequency, pin travel and groove clearance.
Rectilinear Vibrating Motion diagram
Rectilinear Vibrating Motion Mechanism: How It Works, Scotch Yoke Diagram, Formula and Uses
Explore Scotch-yoke motion and calculate stroke, amplitude, cycle frequency and peak slider speed from crank eccentricity and shaft RPM.
Irregular Vibratory Motion diagram
Irregular Vibratory Motion: Normalized Speed-Profile Calculator | FIRGELLI
Compare modulation depths implied by two peak-to-minimum speed ratios for a stated sinusoidal law. The plot does not calculate gears, machine vibration or screening performance.