Engineering Tools
Professional-Grade Calculators
Free tools built for mining engineers who demand accuracy. No sign-up required.
Blast Fragmentation Calculator
Demenegas model implementation with PSD curve fitting, rock factor analysis, and real-time comparison against measured data.
- Demenegas model calculations
- Real-time PSD chart
- Measured vs model comparison
- Design quality ratios
AI Image Analysis
Upload blast site photos for instant AI-powered segmentation. Identify rock fragments, equipment, and blast patterns automatically.
- SAM3 AI model
- Drag & drop upload
- Prompt-based segmentation
- Export annotated images
Tower Mill Power Calculator
Calculate power draw and sizing for vertical tower mills (VTMs). Four power models, installed database, and auto mill recommendation.
- Bond, Nitta, M&J, Radziszewski models
- 77 installed VTM database
- Auto mill recommendation
- Power model comparison
Barratt Tent Diagram
Interactive SAG mill operating envelope. Morrell (1993) and Austin (1990) power models with motor capability curves.
- Morrell & Austin power models
- Motor capability envelope
- 7 charge combination curves
- Metric & imperial units
Comminution Correlation Calculator
Input any single comminution test parameter and auto-derive 7 related ore properties using 33 regression equations from 2,799 samples.
- 26 bidirectional equations
- 8 comminution parameters
- R² quality classification
- Range validation warnings
Bond Work Index Calculator
Estimate comminution circuit specific energy using Bond's Third Law with Rowland correction factors (EF1–EF7). Multi-stage crushing, rod milling, and ball milling.
- Bond's Third Law (W = 10Wi[1/√P - 1/√F])
- Rowland correction factors EF1–EF7
- Multi-stage energy breakdown
- Power & installed capacity
SAG Mill Specific Energy Calculator
Predict SAG mill circuit specific energy using three methods: Morrell SMC/CEET, SAGDesign SGi, and Bond equivalent. Integrates with ore property database for testwork-based estimation.
- Morrell SMC/CEET model (Mic, Mih)
- SAGDesign SGi-based estimation
- Bond equivalent cross-check
- Ore property database lookup
Tumbling Mill Power Draw Calculator
Predict power draw for SAG, AG, ball, and rod mills using Morrell (1993), Austin (1990), and Bond models. Validated against 3,500+ installed mills from the equipment database.
- Morrell, Austin & Bond power models
- SAG, AG, Ball & Rod mill support
- 3,501-mill database validation
- Volume vs power scatter chart
SAG Mill Sizing Tool
Select the right SAG mill size (diameter x length) for a given ore and throughput target. Iterates standard mill dimensions using Morrell and Austin power models, ranked against 800+ installed SAG/AG mills.
- Automatic D x L sizing from throughput
- Morrell & Austin power cross-check
- 800+ SAG/AG mill database validation
- Ranked alternatives with utilization scoring
Ball Mill Sizing Tool
Select the right ball mill size (diameter x length) for a given ore and throughput target. Uses Bond energy with Rowland corrections and Morrell power model, validated against 1,568 installed ball mills.
- Bond energy with Rowland EF3/EF5/EF7 corrections
- Morrell power model cross-check
- 1,568 ball mill database validation
- Ranked alternatives with utilization scoring
Primary Crusher Sizing Tool
Gyratory and jaw crusher selection with throughput and power verification. Bond crushing energy model with catalog of 14 standard primary crusher sizes.
- Gyratory & jaw crusher selection
- Bond crushing energy verification
- 14 standard crusher models
- Capacity vs CSS visualization
Cone Crusher Sizing Tool
Standard and shorthead cone crusher selection for secondary and tertiary crushing. Bond crushing energy model with catalog of 13 HP/MP series crusher sizes.
- Standard & shorthead selection
- Bond crushing energy verification
- 13 HP/MP series models
- Capacity vs CSS visualization
HPGR Unit Model
Predict HPGR throughput, power draw, and specific energy using Morrell/Daniel models. Catalog of 9 standard HPGR sizes for equipment selection.
- Morrell/Daniel throughput model
- Specific force & energy calculation
- 9 standard HPGR models
- Model comparison chart
HPGR Circuit Model
Model open and closed circuit HPGR configurations with screen or air separator classification. Iterative circuit convergence with pass-by-pass energy breakdown.
- Open & closed circuit configs
- Screen & air separator split
- Pass-by-pass energy breakdown
- Recirculation load calculation
Stirred Mill Sizing Tool
Size stirred mills (Vertimill, IsaMill, HIGmill, TowerMill) for regrind applications using Bond and Morrell Mih energy models. Validated against 193 installed stirred mills from 4 vendors.
- Bond & Morrell Mih energy models
- 4 vendor catalogs (25 models)
- 193-mill validation database
- Similar installation matching
Mine-to-Mill Data Checklist
Comprehensive data collection checklist for mine-to-mill optimisation studies. 117 items across 4 sections with progress tracking.
- 96 data items in 4 sections
- Completeness scoring
- PDF & CSV export
- Browser persistence
Total Circuit Specific Energy Calculator
Calculate total comminution circuit specific energy across all stages. Compare 7 circuit configurations (SABC, SAB, 2CB, 3CB, HPGR+BM, SS-HPGR, ABC) using Bond, Morrell, and empirical models.
- 7 circuit configurations
- Bond, Morrell & empirical models
- Stage-by-stage energy waterfall
- Total power & installed capacity
Number of Samples Calculator
Calculate the number of samples needed for target accuracy using CV, confidence level, and ore type presets. Based on Gy's sampling theory with 13 commodity CV defaults.
- Statistical accuracy from sample size
- 13 ore type CV presets
- 90/95/99% confidence levels
- Visual accuracy indicator
Mill Volume & Charge Calculator
Calculate mill internal volume, charge composition (ball, rock, slurry, void), fill level geometry, and mass balance for SAG, AG, and ball mills.
- Cylinder + cone volume geometry
- Ball/rock/slurry/void breakdown
- Fill level vs volume curves
- Critical speed calculation
Liner Effective Height Calculator
Calculate mill liner effective height, wear rate, remaining life, and replacement scheduling. Track liner profile evolution over time.
- Effective height calculation
- Wear rate estimation
- Remaining life prediction
- Replacement schedule planning
Hydrocyclone Sizing Calculator
Size hydrocyclones using Plitt (1976), Nageswararao (2004), and Arterburn (1976) models. Compare d50c, cyclone count, and efficiency curves across models.
- Plitt (1976) model
- Nageswararao (2004) model
- Arterburn method sizing
- Multi-model comparison & overlay
SAG Mill Discharge & Transport Calculator
Analyse SAG/AG mill discharge behaviour using Morrell slurry hold-up, Mitchell aperture classification, pebble port models, and SDV comparison across 9 reference mills.
- Morrell slurry hold-up model
- Mitchell aperture classification
- Pebble port discharge model
- 9 reference mill comparisons
Binary Ore SAG Simulator
Population balance SAG/AG mill simulator with binary ore tracking. JK breakage model, grate classification, and iterative steady-state convergence. Based on Stange (1996) with Bueno (2010) validation.
- Population balance steady-state
- Binary ore mass tracking
- JK Pendulum breakage model
- Grate + pebble port classification
- 7 published case presets
Ore Breakage Characterisation
Dual surface/body breakage model for AG/SAG mill ore characterisation. Separates low-energy surface damage from high-energy body fracture with energy threshold zones. Based on Larbi-Bram (2009) PhD, JKMRC.
- Dual surface + body breakage
- Energy threshold zones (Es, Eb)
- Multi-impact conditioning
- 4 published ore presets
- Sensitivity analysis
Jankovic Stirred Mill Power Model
Mechanistic power model for vertical stirred mills (tower/screw and pin types) based on Jankovic (1999). 7 power components with media velocity model and Janssen pressure distribution.
- Tower mill (screw) & pin mill models
- 7 mechanistic power components
- Janssen pressure distribution
- Speed sensitivity analysis
- 6 mill presets (lab → industrial)
Carvalho Mechanistic SAG Model
Mechanistic SAG mill model based on Carvalho (2013): DWT breakage, Tavares fracture energy, damage accumulation, appearance function, and mill power draw (Morrell + Austin).
- DWT breakage model (Eq. III-13)
- Tavares fracture energy distribution
- Tavares-King damage accumulation
- Napier-Munn appearance function
- Morrell & Austin power models
Multi-Component SAG Simulator
N-component population balance SAG/AG mill simulator. Extends Stange (1996) binary model to any number of ore types with independent JK breakage parameters. Based on Bueno et al. (2010).
- N-component ore tracking
- Independent JK breakage per ore
- Population balance steady-state
- Grate + pebble port classification
- Per-component product PSD