Recent Blogs
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 Shaft Motion Mechanism Explained: How It Works, Diagram, Parts, Formula and Uses
Explore a rigidly coupled shaft drive. Calculate angular speed, input power and useful load torque and power using an entered overall transmission 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.
Continuous Rotary Motion Mechanism: How It Works, Diagram, Formula, and Belt-Drive Calculator
Explore an open belt drive. Calculate output RPM, effective diameter ratio, ideal torque multiplication and speed reduction or increase from two pulley sizes.
Compound Gear Train Mechanism: How It Works, Diagram, Formula, and Uses Explained
Explore a two-stage compound gear train. Adjust four tooth counts and input speed to calculate stage ratios, overall reduction and output speed.
Compound Epicyclic Train: Carrier Input, Gear Ratios, Animation and Calculator
Explore a carrier-driven compound epicyclic train with two internal rings. Compare all four tooth counts, output direction, speed ratio and required module ratio.
Complex Alternating Reciprocal Motion Mechanism Explained: How It Works, Parts, Diagram and Uses
Explore compound reciprocation from a fixed sun, equal planet gear and slotted yoke. Calculate slider position, span and additional reversals as the pin offset changes.
Click-driven Cog-wheel Feed Mechanism: How It Works, Parts, Formula and Indexing Uses Explained
Animate an oscillating carrier and click feed. Calculate indexed angle from cog tooth count, teeth advanced per stroke and batch strokes, with a separate holding...
Circular Rack: Annular Shaft Teeth, Axial Motion and Pinion Travel Calculator
See how a side pinion moves a straight shaft with ring-shaped rack teeth. Calculate axial travel, pitch spacing, equivalent tooth count and rack diameter.
Capstan Gear: Planetary Reduction, Direct Drive and Interactive Calculator
Explore a planetary capstan gear with slow and direct-drive modes. Compare drum speed, ideal output torque and planet spin from the selected tooth counts.
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.
Bicycle Signal Bell: Gear and Radial-striker Animation with Lever Calculator
See how a thumb lever and gear pair move a bicycle bell’s radial striker. Calculate gear ratio, spindle sweep and lever radius; sound level is...
Bevel Gear Differential Pitch System Mechanism: How It Works, Diagram, Parts, and Uses
Bevel gear differentials split torque between two output shafts while allowing speed difference — used in automotive axles, robotics, and machine tools. Full guide.
Bevel Gears Mechanism: How They Work, Pitch Cone Angles, Gear Ratios & Real Uses
Explore bevel gears on intersecting shafts. Change tooth counts, shaft angle and input speed to calculate the ideal ratio, output speed and pitch-cone angles.
Ball Gear Joint: Articulation Animation and Spherical Geometry Calculator
Explore a crowned gear-joint concept and calculate spherical point projections. Compare articulation to a selected limit without inferring gear ratio or load capacity.
Automatic Clutch Motion for Reversing: Mechanism, Diagram, Animation, Parts and Uses Explained
Explore opposite bevel gears and a sliding reversing clutch. Calculate output speed and rotational kinetic energy, with engagement limits explained.
Anti-friction Worm Gear Mechanism: How It Works, Diagram, Parts, Formula and Uses Explained
Explore a roller-pin worm-wheel animation and compare entered efficiency assumptions. See the difference between relative gain, percentage points and loss reduction.
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.
Air-pump Movement Mechanism: How It Works, Diagram, Parts, Formula and Industrial Uses Explained
Explore a geared crank-slider air-pump drive. Calculate piston stroke, cycle rate, frequency and mean piston speed from crank offset, motor rpm and gear ratio.
Adjustable Feed Rolls Mechanism: How Gear-Coupled Press Feed Rolls Work, Parts and Diagram
Explore adjustable feed rolls and calculate actual feed, shortfall per stroke and drift per minute from commanded advance, stroke rate and constant slip.
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.
Worm Gear: Animation and Ideal Reduction Calculator
Calculate ideal worm-wheel reduction, wheel angle and tooth advance from wheel tooth count and worm starts. Efficiency and self-locking are not calculated.
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.
Differential (mechanical Device) Mechanism Explained: How It Works, Parts, Diagram and Animation
Explore an open bevel differential with rotating carrier and spider gears. Calculate both output speeds and relative spider spin from carrier speed and offset.