Engineering Tools

Professional-Grade Calculators

Free tools built for mining engineers who demand accuracy. No sign-up required.

FREE

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
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TIER 5NEW

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
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TIER 4NEW

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
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TIER 3NEW

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
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TIER 3NEW

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
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TIER 3NEW

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
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TIER 1NEW

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
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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
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TIER 3NEW

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
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TIER 3NEW

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
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TIER 3NEW

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
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TIER 3NEW

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
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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
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TIER 4NEW

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
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TIER 4NEW

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
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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
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TIER 3NEW

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
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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
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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
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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
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TIER 1

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
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TIER 3NEW

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
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TIER 2NEW

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
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TIER 2NEW

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
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TIER 4NEW

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)
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TIER 3NEW

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
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TIER 5NEW

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
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