Recent Blogs
Gig Saw: Crank Motion and Feed-Rate Calculator | FIRGELLI
Explore a crank-driven, spring-tensioned gig saw. Calculate average work feed, feed speed, strokes per metre and steady travel time.
Friction Pin Clutch: Band Coupling and Torque Calculator
Explore the pins and slipping friction band in Hiscox’s clutch. Compare an ideal band-friction torque limit with an entered load.
Friction Drop Hammer: Energy and Free-Fall Speed | FIRGELLI
Compare ideal drop-hammer energy and impact speed from moving weight and height. Learn how friction rolls lift the board and how gravity produces the blow.
Friction Clutch: Torque Capacity and Mean Radius | FIRGELLI
Calculate ideal plate-clutch torque from clamp force, coefficient, effective radius and active faces, then compare an entered load torque.
Flexible Universal Steam Joint: Motion and Thermal Growth | FIRGELLI
Learn how spherical pipe joints articulate. Compare length and temperature rise with a fixed illustrative expansion coefficient, without sizing a steam assembly.
Flexible Link Coupling: Ideal Link Force and Stress | FIRGELLI
Explore link-force arithmetic for equal tangential load sharing. Compare torque, pin-circle size and net area without treating the result as a coupling rating.
Feed Wheel: Roller Travel and Slip Calculator | FIRGELLI
Compare ideal and net feed-wheel travel using effective diameter, turns and an assumed slip percentage. Includes a roller-nip animation and worked example.
Eccentric Line Coupling: How It Works, Parts, Diagram, and Parallel Offset Shaft Alignment Uses
See parallel offset shafts linked by five rigid bent bars. Explore the 3D animation and calculate pin spacing, bar geometry, shaft speed and pin velocity.
Drilling Machine Clamp Mechanism Explained: How It Works, Parts, Diagram, Formula and Calculator
Explore a lever-and-shank drill-table clamp. Calculate ideal nose force, pivot reaction and screw travel from lever dimensions and entered screw thrust.
Drilling Machine: Spindle Rotation, Quill Feed and Cutting-Speed Calculator
Explore a drill press with spindle rotation and adjustable quill position. Calculate target RPM, actual cutting speed and tool-tip position below the work.
Drawing and Throstle Twisting Mechanism Explained: How It Works, Parts, Diagram and Formula
Explore drafting rollers, a throstle flyer and bobbin winding. Calculate stage drafts, delivered linear mass, ideal twist and required bobbin speed.
Double-acting Screwdriver: Nested Opposite-Hand Spindles and Ideal Torque Calculator
Explore a screwdriver with nested opposite-hand spindles. Select the working stage and compare thread lead, signed bit turns, ideal torque and work per push.
Double Toggle-joint Screw Press Mechanism Explained: How It Works, Parts, Formula & Uses
Explore a single-thread screw driving paired toggle linkages. Calculate ideal platen force, signed travel, screw revolutions and frictionless screw torque.
Double Toggle-joint Friction Clutch Mechanism: How It Works, Diagram, Formula and Uses Explained
Explore a direct-collar toggle-clutch model. Compare how link angle and equal force sharing affect ideal radial shoe force at pad contact.
Double Screw-Gear Chain Hoist: Two-Worm Animation and Calculator
Explore Box’s two-worm chain hoist. Calculate shared reduction, mean chain travel, hook speed and ideal hand-chain effort using the stated model dimensions.
Double Cylinder Lumber Planer: Cutterheads, Feed and Material Removal
Explore a two-stage lumber planer with roughing and finishing cutterheads. Calculate finished thickness, removed wood volume and board-length feed time.
Double Conic Rope Drum Mechanism Explained: How It Works, Parts, Torque Formula and Uses
Explore a grooved double-conic rope drum and calculate its static endpoint balance ratio under an equal suspended-mass assumption.
Disc Slicer: Slotted Root-Slicing Disc, Knife Motion and Ideal Rate Calculator
Explore a slotted root-slicing disc with projecting knives. Calculate ideal knife passes, stock advance and solid-volume rate for one continuously fed round workpiece.
Disc Shears Mechanism: How Rotary Slitting Blades, Clearance & Cutting Zone Work
Explore counter-rotating disc shears and the difference between axial clearance and radial overlap. Calculate knife clearance from entered sheet-thickness ratios.
Curved Step Bearing Mechanism: How It Works, Diagram, Parts, Formula and Uses Explained
See a curved step bearing in section and compare axial load with an idealized spherical cap’s projected area. Calculate nominal pressure with clear model limits.
Crushing Mill / Chasers Mechanism Explained: How Edge Runner Mills Work, Parts and Uses
Explore two edge runners orbiting a stationary pan. Compare inner and outer circular path speeds, relative edge-speed spread and one wheel’s weight.
Cop Winder: Pivoted Yarn Guide, Animation and Winding-Speed Calculator
Explore a rotating cop and pivoted yarn guide. Calculate circumference, spindle rate and circumferential winding speed from package diameter and RPM.
Continuous Traversing Roller Mechanism Explained: How It Works, Parts, Diagram and Uses
Explore a recirculating axle bearing with an inner loaded arc and outer return passage. Compare axle speed, roller motion and ideal circulation time.
Continual Barrel Elevator Mechanism Explained: How It Works, Parts, Throughput Formula & Diagram
Explore an inclined barrel elevator with curved carrying arms. Compare chain speeds and arm spacing to calculate ideal barrels per minute.
Conical Roller Thrust Bearing: Geometry, Motion and Surface-Speed Calculator
Explore a conical roller thrust-bearing idealization. Compare race surface speeds at two radii and see how cone angle changes roller thickness and spin.