Recent Blogs
Oldham Coupling: Hiscox Items 1287–1288
Explore how an Oldham coupling bridges parallel shaft offset. Calculate ideal tongue travel, maximum sliding speed and the intermediate disc centre orbit.
Weiss CV Joint Mechanism Explained: How It Works, Parts, Geometry, and Uses on Steered Drive Axles
Explore the ideal constant-velocity principle and angle-bisecting ball plane. Compare its speed ratio with a separate single-Hooke-joint calculation.
Union Coupling: Bore-area and Wrench-force Comparison
Explore a threaded pipe union. Calculate circular bore area, a pressure-area reference and ideal wrench force; the tool does not specify sealing, preload or installation...
Tripod CV Joint: Plunge Motion and Ideal Force Comparison
Explore a tripod joint and calculate torque-to-radius force, an assumed equal roller share and a plunge-to-travel ratio. Actual contact loads and joint limits are not...
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...
Rzeppa CV Joint: Six-Ball Mechanism, Animation and Geometry Calculator
Explore a six-ball Rzeppa CV joint. Vary articulation and ball-centre radius to compare cage tilt and axial ball travel while ideal shaft speeds remain equal.
Magnetic Coupling: Containment Shell and Power–Torque Calculator
Explore a radial magnetic coupling with a stationary containment shell. Convert entered mechanical power and rotational speed into torque for an ideal synchronous state.
Linked Hinges Mechanism: How Coupled Hinges Work, Diagram, Parts, Formula and Uses Explained
Explore two hinge arms joined by a rigid coupling rod. Calculate follower angle and geometric closure, with an explicit gap for unreachable combinations.
Hirth Joint: Facing Serrations and Ideal Force Calculator | FIRGELLI
Explore Hirth face serrations and an ideal wedge-force comparison using torque, radius, model angle and clamp force. The calculator does not rate a joint or...
Double Spherical Socket Mechanism: How It Works, Diagram, Parts, Uses & Formula Explained
Explore a concentric spherical instrument mounting. Adjust bearing radii, stem size and tilt to check the illustrated aperture and base clearances.
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.
Curvic Coupling Mechanism: How Self-Centering Face Teeth Work, Parts, Formula and Uses
Explore curved annular coupling teeth, ideal two-flank preload forces and local flank movement. Learn why summed force magnitudes are not a net centering force.
Bayonet Joint Mechanism: How It Works, Parts, L-Slot Geometry, and Uses Explained
Bayonet joint mechanism explained — twist-and-lock coupling design, pin and slot geometry, and real applications in lighting, optics, and military fittings.
Anti-friction Roller Bearing: Animation, Parts and Friction Comparison
Explore a cylindrical roller-bearing cutaway and compare assumed friction coefficients. Learn what the ratio and relative-loss outputs mean and what they cannot predict.
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.