Recent Blogs
Blake-pattern Stone Crusher: Jaw Motion and Settings Calculator
Follow an eccentric, pitman and toggle-driven jaw. Calculate constrained surface stroke, open-side setting, Feed/CSS ratio and cycle period for an assumed linkage.
Rolling Crusher Mechanism: How Double-Roll Crushers Work, Nip Angle Diagram & Capacity Formula
Rolling Crusher explained — how double-roll crushers reduce coal, ore and aggregate, with sizing formula, gap settings, worked example and real mining applications.
Revolving Pulverizing Mill and Ball-Mill Critical-Speed Calculator
Compare revolving-arm pulverizing with tumbling ball mills. Calculate ball-mill critical speed, inner-wall surface speed and bulk media volume per metre.
Bailey Ball-and-Pan Pulverizing Mill: Declared Batch Ledger
Learn how a pulverizing ball and pan mill grinds mineral samples to assay fineness, with sizing formulas, worked examples, and lab applications in mining.
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.
Arastra Ore Mill Mechanism: How the Drag Stone Gold and Silver Ore Grinder Works
See how an arrastra sweep drags stones around a fixed bed. Calculate circular speed, lap time and travel distance, separately from ore throughput or metal...
Tumbling Grinding Mill: Critical Speed Calculator | FIRGELLI
Estimate tumbling-mill critical rpm from internal diameter and compare a chosen percentage range. Includes assumptions, a worked example and schematic charge motion.