Recent Blogs
Klondike Mining Machine: Lancaster Washer and Gold Mass Balance | FIRGELLI
Learn how Hiscox’s Lancaster placer washer used a handle-driven riffle pan. Calculate gold mass balance separately from a general sluice-flow illustration.
Iron Ore Separator: Drum Geometry and Flow Calculator | FIRGELLI
Calculate flow per drum width, shell surface speed and time across an entered arc. The illustration and calculator do not predict magnetic separation, recovery or...
Hydraulic Balanced Giant Nozzle: Ideal Jet Reaction Calculator | FIRGELLI
Read about Hiscox’s jointed hydraulic mining nozzle and compare ideal jet-reaction magnitude from pressure and diameter. Handle force and balancing performance are not calculated.
Horse-power Hoisting Drum: Ideal Radius and Travel Calculator | FIRGELLI
Compare sweep and drum radii under an ideal direct-coupling assumption. Calculate travel per turn and force ratio; historical gearing and hoist capacity are not modeled.
Horizontal Boom Tower: Trolley Context and Coordinate Calculator | FIRGELLI
Read about Hiscox’s trolley-and-bucket boom tower and use a separate rigid-vector calculator for forward, lateral and vertical coordinates. No machine capacity is predicted.
Hand Power Rock Drill Mechanism Explained: How It Works, Diagram, Parts, Uses, and Drilling Rate
Hand power rock drills break stone with a hammered steel bit rotated between blows. Learn how miners drill blast holes, with formulas, examples, and specs.
Dry Gold Separator: Bellows Animation and Density Calculator | FIRGELLI
Explore a bellows-fed dry gold separator and compare mineral specific gravities. Calculate concentration criterion without assuming a gold-recovery rate.
Free-Running Axle: Independent Wheel-Speed Calculator | FIRGELLI
Compare inner and outer wheel RPM for equal-diameter wheels on a circular curve, using radius, rolling-path spacing and reference RPM.
Floating Dredge: Cutter Motion and Slurry-Flow Comparison | FIRGELLI
Explore a cutter-suction dredge’s swing motion. Calculate solids and water volume flows and compare entered velocities without claiming a blockage prediction.
Elevator Tower Mechanism Explained: Mine Headframe Parts, How It Works, and Hoisting Formula
Explore a mine headframe and compare rope tension, sheave resultant and ideal stopping distance for a descending cage under constant deceleration.
Elevator Dumping Head: Animation and Rim-Acceleration Calculator
Explore a bucket-elevator dumping head and compare pulley-rim acceleration with gravity using diameter and rpm. Actual material discharge is not solved.
Eight-stamp Ore Mill Mechanism: How It Works, Cam-Tappet Diagram, and Parts Explained
Watch cams lift and release an eight-stamp ore mill. Compare ideal drop energy, fall time, drop frequency and average lifting power for one or two...
Drill for Curved Holes: Curved Guide Tube, Flexible Shaft and Worm Feed
Explore a historical curved-tube drill with flexible-shaft bit rotation and worm-driven feed. Calculate curved length, reach, offset and feed time.
Disintegrator Mechanism Explained: How Counter-Rotating Pin Cage Mills Work, Parts and Uses
Explore counter-rotating cage disintegrators. Calculate rotor rpm and compare an ideal particle transfer between two pin circles with entered speeds and spacing.
Diamond Well-boring Machine Mechanism: How It Works, Parts, Diagram and Uses in Core Drilling
Explore a double-tube diamond core barrel, its flushing-water route and the annular cutting face. Calculate theoretical core and solid-rock kerf volumes.
Diamond Prospecting Drill Mechanism: How Core Drilling Works, Parts and Cross-Section Diagram
Explore a hand-driven diamond coring drill and calculate crown width, core area and solid-rock removal from the bit’s outside and inside diameters.
Continuous Ditching Dredge Mechanism: How Bucket Chain Excavators Work, Parts, and Production Formula
Explore a bucket-chain ditching dredge and spoil carrier. Compare loose and bank throughput from bucket capacity, discharge rate, fill and swell.
Coal-loading Tipple Mechanism: How It Works, Parts, Diagram, and Throughput Formula Explained
Follow a restrained railcar through a rotary dumper. Compare operating capacity with average hourly throughput using payload, complete cycle time and availability.
Coal-cutting Machine: Rotary Drum, Pick Path and Feed-speed Calculator
Explore a continuous miner’s rotating drum and one cutting line. Calculate feed advance, pick passes and tip speed, and follow a pick path relative to...
Coal Dust Press Mechanism: How Roll Briquetting Works, Parts, Formula & Uses Explained
Coal dust press mechanism explained — how briquetting rolls compact pulverized coal fines into fuel briquettes for steel, cement and household heating markets.
Clam-shell Bucket: Rope Tackle, Linked Shells and Closing-Block Pull
Explore a rope-operated clam-shell grab and calculate closing-block pull and rope take-up from line tension, supporting falls, tackle efficiency and block travel.
Chili Mill Mechanism Explained: How the Chilean Edge-Runner Trapiche Grinds Gold and Silver Ore
Animate three edge-runner rollers and compare their inner and outer paths around the mill. Calculate path difference per orbit and minute, without inferring crushing capacity.
Chain Scraper Conveyer Mechanism Explained: How It Works, Parts, Diagram, Capacity Formula and Uses
Follow scraper flights around a continuous chain loop. Estimate volume and mass throughput from trough area, chain speed, bulk density and filled fraction.
Centrifugal Separator Mechanism: How It Works, Parts, Diagram, and Gold Recovery Uses Explained
Explore a fluidised centrifugal concentrator cutaway. Calculate effective bowl radius, acceleration and rim speed, and compare an ideal relative settling scale.
Cable Conveyer Mechanism: How It Works, Diagram, Parts, Formula and Mining Uses Explained
Explore a rope-supported cable-belt conveyor section. Compare per-rope tension with minimum breaking load and inspect an enlarged belt-tracking offset.