Recent Blogs
Eccentric Wheel Train Mechanism Explained: How It Works, Diagram, Parts, Formula, and Uses
Explore the fixed inclined bevel wheel and carried compound shaft of an eccentric wheel train, with an exploded animation and illustrative reversing-speed calculator.
Eccentric Spur-gear with Link Control Mechanism Explained: How It Works, Parts, Diagram & Uses
Explore an eccentric three-gear train with linked centers. Adjust offset, module and input speed to calculate the varying output speed and see both gear meshes.
Eccentric Gear Train: Elliptical Planetary Animation and Pointer Calculator
Explore Hiscox’s eccentric gear train with linked elliptical and circular gear animations. Calculate signed shaft speeds and reversing pointer travel.
Crown Wheel and Spur Gear Mechanism: How It Works, Parts, Diagram and Right-Angle Drive Uses
Explore a crown wheel and perpendicular spur pinion. Calculate output speed, torque and power loss from tooth counts, input speed, torque and assumed efficiency.
Continuous Rotary via Ratchet Bevel Gears: How It Works, Parts, Diagram, and Uses Explained
Explore opposed ratchets and bevel gears that drive one output on both rocking strokes. Compare average speed, angular advance and an entered take-up allowance.
Brush Wheels (friction) Mechanism Explained: How It Works, Parts, Formula, Diagram & Uses
Explore bristle contact in an illustrative brush-wheel belt drive. Compare assumed friction-force and torque capacity, wheel power and slip loss.
Alternating Motion Mechanism: How It Works, Diagram, Parts, Formula and Uses Explained
Explore a sector pinion driving opposing racks. Calculate theoretical pitch-arc travel and cycle rates, including the difference between dwell and interfering settings.
Reciprocating Rectilinear Motion Mechanism: How It Works, Diagram, Formula and Uses Explained
Explore alternating gear sectors driving a double-sided rack. Calculate circular pitch, pitch radius, ideal engaged travel and sector sweep.
Accelerated Circular Motion Explained: How It Works, Formula, Diagram, and Mechanism Uses
Compare tangential rim acceleration and speed ramp for a rotating disk. Explore the animation, fixed-axis equations and an illustrative rotary-table calculation.
Sector Gears (uniform/variable Rotary) Mechanism Explained: How It Works, Parts, Formula & Uses
Sector gears explained — how partial-arc gears drive intermittent and variable rotary motion in steering boxes, weapons, and industrial machinery.
Ratchet (device) Mechanism: How It Works, Parts, Tooth Geometry, and Real-World Uses Explained
How a ratchet works, with formulas, real industrial examples, tradeoffs vs sprag and roller clutches, and a worked sizing example for a winch pawl.
Lebel Mle 1886 M.93: Museum Component Map
An inert museum component map of the Lebel Mle 1886 M.93, identifying the barrel, receiver, bolt, tubular magazine, spring, follower and carrier.
Kinematic Chain: Four-Bar Animation and Mobility Count | FIRGELLI
Explore a fixed four-bar linkage and calculate the planar lower-pair count 3(n−1)−2j. Link and joint totals do not specify geometry or establish constraint independence.
Eccentric Mangle Wheel: Guided Pinion and Variable-Speed Reversal
Explore an eccentric mangle wheel with a guided pinion. Calculate driving-pinion pitch diameter and speed; the guide drawing is qualitative.
Mangle-Rack Form 3: Module-Defined Pinion and Straight Run
Explore a guided mangle-rack path. Calculate pinion pitch diameter from metric module and tooth count, then estimate ideal straight-run speed and time.