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Bond Work Index (Wi) Comminution Grinding Power & Energy Calculator

Easily calculate and compute bond work index (wi) comminution grinding power & energy calculator with accurate equations, live formulas, and expert guidance.

Typical values: Quartz ~13-15, Copper porphyry ~12-14, Taconite ~15-20.

Calculated Result
2,813 kW

Required Grinding Motor Power

Required Grinding Motor Power

2,813 kW

Required Grinding Motor Power Kw

2813

Specific Energy Consumption Kwh Per Tonne

11.25

Grinding Reduction Ratio

23.8

2,813 — kW

Calculation Breakdown

  1. Applied FormulaSizes mineral comminution grinding mills using Fred Bond’s Third Law of Comminution based on 80% passing sizes F80 and P80.W = 10 W_i \left( \frac{1}{\sqrt{P_{80}}} - \frac{1}{\sqrt{F_{80}}} \right)

Bond Work Index Power Metric Output

Interactive visualization based on your current inputs

Calculated Value
0.07031.4k2.1k2.8kRequired Grinding Motor Power

What Is the Bond Work Index (Wi) Comminution Grinding Power & Energy Calculator?

This tool computes bond work index (wi) comminution grinding power & energy calculator with high precision arithmetic.

How Does the Bond Work Index (Wi) Comminution Grinding Power & Energy Calculator Work?

Sizes mineral comminution grinding mills using Fred Bond’s Third Law of Comminution based on 80% passing sizes F80 and P80.

Bond Work Index (Wi) Comminution Grinding Power & Energy Calculator Formula & Variables

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

W=10Wi(1P80−1F80)W = 10 W_i \left( \frac{1}{\sqrt{P_{80}}} - \frac{1}{\sqrt{F_{80}}} \right)

Sizes mineral comminution grinding mills using Fred Bond’s Third Law of Comminution based on 80% passing sizes F80 and P80.

How to Use the Bond Work Index (Wi) Comminution Grinding Power & Energy Calculator

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

Step-by-Step Example Calculation

Bond Work Index (Wi) Comminution Grinding Power & Energy Calculator Example

Input Values:

bondWorkIndexKwhPerTonne:14.5
feed80PassingMicrons:2500
product80PassingMicrons:105
oreThroughputTonnesPerHr:250
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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