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Autogenous Grinding (AG / SAG) Mill Power Draw Morrell Calculator

Easily calculate and compute autogenous grinding (ag / sag) mill power draw morrell calculator with accurate equations, live formulas, and expert guidance.

Internal diameter inside liners.

Length between discharge grates.

Operating rotational fraction (e.g. 0.72 to 0.78).

Fraction of mill volume occupied by rock and balls.

Fraction of mill volume occupied by steel grinding balls.

Specific gravity of solid rock ore.

Calculated Result
5,016.62 kW

Gross Power Draw

Gross Power Draw

5,016.62 kW

Gross Power Kw

5016.616301210402

Critical Speed Rpm

13.54684181191037

Operating Rpm

10.024662940813673

Bulk Density Tonne M3

2.9785714285714286

5,016.62 — kW

Calculation Breakdown

  1. Applied FormulaPredicts the total operational mechanical and electrical power consumed by semi-autogenous grinding (SAG) and AG rotating tumbling mills.P = C \cdot D_i^{2.5} \cdot L_e \cdot \rho_{\text{bulk}} \cdot \sin(\alpha) \cdot \Phi_c

SAG Mill Power Draw Metric Output

Interactive visualization based on your current inputs

Calculated Value
0.01.3k2.5k3.8k5.0kGross Power Draw

What Is the Autogenous Grinding (AG / SAG) Mill Power Draw Morrell Calculator?

This tool computes autogenous grinding (ag / sag) mill power draw morrell calculator with high precision arithmetic.

How Does the Autogenous Grinding (AG / SAG) Mill Power Draw Morrell Calculator Work?

Predicts the total operational mechanical and electrical power consumed by semi-autogenous grinding (SAG) and AG rotating tumbling mills.

Autogenous Grinding (AG / SAG) Mill Power Draw Morrell Calculator Formula & Variables

The core mathematical equation utilized by this calculator is expressed as:

P = C \cdot D_i^{2.5} \cdot L_e \cdot \rho_{\text{bulk}} \cdot \sin(\alpha) \cdot \Phi_c

Predicts the total operational mechanical and electrical power consumed by semi-autogenous grinding (SAG) and AG rotating tumbling mills.

How to Use the Autogenous Grinding (AG / SAG) Mill Power Draw Morrell Calculator

  1. Enter your parameters into the designated input fields to calculate the result immediately.

Step-by-Step Example Calculation

Autogenous Grinding (AG / SAG) Mill Power Draw Morrell Calculator Example

Input Values:

millDiameterM:9.75
millLengthM:4.88
fractionCriticalSpeed:0.74
totalFillingFraction:0.28
ballFillingFraction:0.12
oreDensityTonneM3:2.8
Worked Steps: Sample evaluation based on standard reference conditions.

Understanding Your Result

The calculated primary figure indicates the optimal or required kW.

Factors That Affect the Result

  • Measurement tolerances, operational variance, and real-world conditions.

When Should You Use This Calculator?

  • Everyday budgeting, technical homework, professional estimation, and household projects.

Assumptions & Limitations

  • Assumes standard atmospheric or environmental parameters unless specified.

Frequently Asked Questions

Calculation Accuracy & Reference Note

Double-precision IEEE 754 arithmetic with validated empirical constants.

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