Recent Blogs
Thompson Coupling: Ideal Constant-velocity Comparison
Compare ideal 1:1 Thompson coupling motion with the maximum and minimum speed ratios of a single Hooke joint. Real product accuracy and operating limits are...
Double Hooke Joint (constant Velocity) Mechanism: How It Works, Diagram, Parts, Uses & Calculator
Explore two Hooke joints in series. Adjust bend angles and yoke phasing to compare intermediate and output speeds and find ideal speed cancellation.
Single Cardan Joint: Ideal Instantaneous Speed-ratio Calculator
Explore a rigid-cross universal joint and calculate ideal speed ratio through a revolution. Shaft angle sets the extrema; torque capacity and vibration response are not...
Hooke’s Angular Shaft Coupling: Ideal Speed Variation | FIRGELLI
Calculate the ideal minimum and maximum speed ratios of a single Hooke joint from shaft angle and input rpm. These kinematic results do not rate...
Double Link Universal Joint Mechanism: How It Works, Diagram, Parts, Formula and Uses
Explore two linked universal joints. Adjust bend angles and intermediate-yoke phasing to compare individual and coupled output-speed variation.
Angular Shaft Coupling Mechanism: How It Works, Cardan Joint Diagram, Parts, Formula and Uses
Explore a single Cardan joint in motion. Calculate phase-dependent speed ratio and peak variation, and distinguish kinematics from load and operating ratings.
Constant-velocity Joint Mechanism: How It Works, Parts, Diagram and Uses Explained
Explore a six-ball CV-joint cutaway and compare its ideal constant output speed with the speed variation of a single Hooke joint at the same shaft...
Universal Joint (spatial) Mechanism Explained: How It Works, Parts, Cardan Formula & Uses
Explore a single Cardan universal joint. Calculate instantaneous, minimum and maximum output speeds from shaft angle and input speed, with an exact worked example.