Gears Simulators

For straight bevel gears that transmit power between intersecting shafts, this tool computes the three tooth-force components (tangential, axial and radial) in real time.

Set front and rear sprocket teeth and cadence to calculate cycling speed

Calculate gear train efficiency and tooth bending stress instantly. Adjust module, tooth count, and torque for real-time AGMA and Lewis bending stress results.

Calculate gear ratios, torque, and efficiency with our interactive epicyclic gear train calculator. Visualize planetary gear motion instantly.

Calculate gear ratios, output speed, and torque in real-time. Visualize rotation with animations for simple, compound, and planetary gear systems.

Calculate gear tooth stress with our . Input module, power, speed & material to get Lewis bending and Hertz contact stress results instantly.

Design and analyze spur gears instantly. Adjust module, teeth, and pressure angle to render involute profiles and compute contact ratio and bending stress.

Interactive simulator for spur & planetary gear trains. Visualize meshing, calculate ratios, speed, torque, and pitch diameters with accurate animations.

Design a planetary (epicyclic) gear train made of a sun gear, planet gears, a ring gear and a carrier. Change the tooth counts and choose which member to hold fixed to s…

Calculate worm gear forward/reverse efficiency and self-locking threshold. Input lead angle and friction coefficient for instant results.